ClickHouse

About the Team The Core Engineering team is responsible for working on the beloved ClickHouse open-source project while working cross-functionally across engineering and product teams as we develop and expand our Cloud service offering. We are seeking a Senior Software Quality Engineer who will focus on improving the efficiency and quality of both our open-source and cloud offerings. You will build out automation of critical operational functions that ensure ClickHouse Cloud operates smoothly worldwide and at our massive scale. The ideal candidate for this position is someone with strong technical skills and a background in release engineering. What will you do? • Build and enhance test automation frameworks and develop automated test cases. • Try out new features and ensure they land smoothly in Production. • Test cross-functional implementations across internal teams at ClickHouse. • Implement new testing strategies and automation for large and complex distributed systems. • Evaluate the new functionality of ClickHouse for each release, and identify opportunities in the existing codebase for improvement. • Engineer and improve existing testing infrastructure. About you: • Extensive knowledge of SQL. • Previously worked in a similar SDET, Release Engineering, or QA role related to a classical database or distributed system. • Have hands-on experience with any programming language (Python, Go, C++). • Can read C++ code for validation. • Working knowledge of Git, Linux and shell scripting. • Experience with both manual testing and automation testing. • Demonstrated ability to work collaboratively, including with remote teams. Ability to learn complex technology quickly in a fast-paced, team-driven environment. • You have excellent communication skills and the ability to work well within and across engineering teams. • You are a strong problem-solver and have solid production debugging skills. • You thrive in a fast-paced environment and see yourself as a partner with the business with the shared goal of moving the business forward. Perks • Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in over 25 countries. • Healthcare - Employer contributions towards your healthcare. • Equity in the company - Every new team member who joins our company receives stock options. • Time off - Flexible time off in the US, generous entitlement in other countries. • A USD$500 Home office setup if you’re a remote employee. • Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites. Culture - We All Shape It As part of a rapidly scaling start-up, you will be instrumental in shaping our culture. Are you interested in finding out more about our culture? Learn more about our values here. Check out our blog posts or follow us on LinkedIn to find out more about what’s happening at ClickHouse. Equal Opportunity & Privacy ClickHouse provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type based on factors such as race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Please see here for our Privacy Statement.

The Connectors team is the bridge between ClickHouse and the broader ecosystem. We build and maintain the integrations that make ClickHouse accessible to millions of developers, data practitioners, and AI agents worldwide, from high-level data visualization plugins (Tableau, PowerBI, Superset, Metabase) to connectors for data frameworks (Apache Spark, Flink, Kafka Connect, Fivetran), orchestration platforms, and AI tooling. Our work directly shapes how companies process massive datasets: real-time analytics platforms that ingest millions of events per second, observability systems that monitor global infrastructure, and, increasingly, AI-powered data applications that redefine how teams work with data. We collaborate closely with the open-source community, internal teams, and enterprise users to ensure ClickHouse integrations set the standard for performance, reliability, and developer experience. About the role As a Senior Software Engineer specializing in the AI & ML ecosystem, you'll be a core contributor owning and evolving critical parts of ClickHouse's AI ecosystem. This role sits at the intersection of high-performance database engineering and developer experience. You'll craft tools that enable Engineers and Data Scientists to harness ClickHouse's speed and scale in the frameworks they already use. We're looking for someone who has firsthand experience as an AI & MLEngineer or Data Scientist. The data practitioner's world is shifting rapidly: databases are no longer just query targets, but they're becoming active participants in AI-powered workflows, serving as vector stores for RAG pipelines, backends for LLM-powered agents, and real-time feature stores for ML inference. You understand these workflows not from the outside, but because you've operated within them. You don't just build integrations, you bring product-level insight into what we should build and why. You'll own the full lifecycle of key AI/ML integrations, driving architecture, performance, and feature direction across AI & LLM Ecosystem: LangChain, LlamaIndex, n8n, and broader AI tooling: embedding pipelines, retrieval-augmented generation with ClickHouse as a vector store, ML feature stores, and LLM-powered data applications. ClickHouse's columnar architecture and query performance make it exceptionally well-positioned in this new landscape. Your job is to make that potential real: building the robust, production-ready connectors that make ClickHouse the natural choice when data practitioners design their next-generation AI and data systems. What you'll do • Own and evolve ClickHouse's Python connector and SDK ecosystem, raising the bar on performance, reliability, and API design • Drive the AI/LLM integration strategy: designing connectors and patterns that make ClickHouse a natural fit in RAG architectures, ML feature pipelines, and LLM-powered data applications • Engage actively with the open-source community: triage issues, support contributors, advocate for users, and shape the roadmap based on real-world feedback • Collaborate with Product, Cloud, and other engineering teams to align integration work with broader platform priorities • Bring a practitioner's perspective to roadmap decisions, grounding prioritization in genuine Data Engineer and Data Scientist workflows About you • 7+ years of software development experience, including hands-on time as a Data Scientist or ML Engineer • Deep, proven experience designing, building, and maintaining production-grade Python connectors, SDKs, or integrations for at least one major platform (orchestration, BI, MLOps, or data transformation) • Hands-on experience applying AI/ML in production data-engineering contexts: embedding generation, vector search, feature pipelines, or LLM-powered tooling that shipped and ran in production • Solid experience with the Python data ecosystem: Pandas, NumPy, Pydantic, and related libraries • Strong database fundamentals: SQL, data modeling, query optimization, and familiarity with OLAP/analytical databases • Solid experience with concurrent Python: threading, multiprocessing, and async patterns • Outstanding written and verbal communication; comfortable collaborating across engineering functions and with open-source communities Bonus points for: • Prior experience as a Data Engineer or Data Scientist in a product-facing or platform role • Familiarity with ClickHouse or similar high-performance OLAP platforms • Familiarity with the JVM ecosystem • Experience deploying AI/ML models in production, including inference APIs and vector databases • Familiarity with tools like dbt, Airflow, Dagster, Prefect is a plus Perks • Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in over 25 countries. • Healthcare - Employer contributions towards your healthcare. • Equity in the company - Every new team member who joins our company receives stock options. • Time off - Flexible time off in the US, generous entitlement in other countries. • A USD$500 Home office setup if you’re a remote employee. • Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites. Culture - We All Shape It As part of a rapidly scaling start-up, you will be instrumental in shaping our culture. Are you interested in finding out more about our culture? Learn more about our values here. Check out our blog posts or follow us on LinkedIn to find out more about what’s happening at ClickHouse. Equal Opportunity & Privacy ClickHouse provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type based on factors such as race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Please see here for our Privacy Statement.

About the Team The Billing Engineering team is responsible for building the billing platform behind ClickHouse Cloud. Our team is looking for exceptional software engineers who can work on a variety of technologies including frontend and backend while integrating with various external systems. You’ll work on mission-critical flows with a direct impact on the business. The team collaborates with stakeholders from across the business to provide the best experience for our customers (reliability, scalability, privacy, security, observability) while keeping accuracy and compliance a priority in everything we build. What will you do? • Build ClickHouse cloud’s billing and metering platform - Design and build mission-critical processes that literally keep the lights on. • Create with purpose. Have a reason and rationale for the decisions you make throughout the creative process to empower you and the rest of the team to present our ideas and sell our solutions to various peers and stakeholders. • Deliver frameworks and platforms that are secure, efficient, mature, and highly available that abstract away infrastructure complexity. • Partner with multi-disciplinary teams to define business strategies, user needs, and optimal solutions. • Integrate with a variety of systems (Billing, Metering, Logging, Monitoring, Support, etc…) About you: • You have 5+ years of relevant software development industry experience building front-end systems running on the cloud. • Hands-on development experience leading and shipping large-scope technical projects in collaboration with multiple experienced engineers. • Technologies: Typescript, Serverless, EKS, SQS, Mongo, Node.JS (Proficiency in multiple languages preferred), React. • Experience with billing concepts, such as credit card processing, usage-based billing, metering, CSP marketplaces (AWS, GCP, Azure), invoicing, sales tax, auditing and record-keeping. • Strong ownership and experience building and operating high-scale, distributed systems across the full software life cycle. • Expertise with a public cloud provider (AWS, GCP, Azure) and their infrastructure as a service offering. • You have excellent communication skills and the ability to work well within a team and across engineering teams. • You are a strong problem solver and have solid production debugging skills. • You thrive in a fast-paced environment and see yourself as a partner with the business with the shared goal of moving the business forward. • You have a high level of responsibility, ownership, and accountability. #LI-JL1 Perks • Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in over 25 countries. • Healthcare - Employer contributions towards your healthcare. • Equity in the company - Every new team member who joins our company receives stock options. • Time off - Flexible time off in the US, generous entitlement in other countries. • A USD$500 Home office setup if you’re a remote employee. • Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites. Culture - We All Shape It As part of a rapidly scaling start-up, you will be instrumental in shaping our culture. Are you interested in finding out more about our culture? Learn more about our values here. Check out our blog posts or follow us on LinkedIn to find out more about what’s happening at ClickHouse. Equal Opportunity & Privacy ClickHouse provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type based on factors such as race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Please see here for our Privacy Statement.

The Security Team is responsible for providing key security capabilities covering application, cloud and enterprise security, incident response, detection and GRC. Our team is looking for experienced, hands-on security practitioners, who will drive the adoption of modern security processes and tooling, with focus on automation and backed up by data-driven decisions. What you will do: • Secure cloud infrastructure supporting the ClickHouse products and services (AWS, GCP and Azure) • Collaborate with product and engineering teams to facilitate safe and secure use of public cloud infrastructure and resources • Develop and implement security systems (e.g. CSPM, infrastructure as code, secrets management) to secure and harden ClickHouse cloud infrastructure • Identify and respond to identified security issues, vulnerabilities, and incidents • Identify security gaps and vulnerabilities in ClickHouse assets • Develop processes, tooling and automation to scale security processes and mitigate risks to the business What you bring along: • Strong knowledge of and experience with multiple cloud service providers (AWS, GCP, Azure) • Experience securing large-scale customer-facing cloud infrastructures based on Kubernetes • Expertise in common cloud-based DevOps practices (e.g. CI/CD, infrastructure as code, secrets management) • Development and automation experience Bonus Points: • BS, MS, or PhD in Computer Science or related field • Previous contributions to open source projects • Security or cloud related certifications (AWS, GCP, Azure) #LI-JL1 Perks • Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in over 25 countries. • Healthcare - Employer contributions towards your healthcare. • Equity in the company - Every new team member who joins our company receives stock options. • Time off - Flexible time off in the US, generous entitlement in other countries. • A USD$500 Home office setup if you’re a remote employee. • Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites. Culture - We All Shape It As part of a rapidly scaling start-up, you will be instrumental in shaping our culture. Are you interested in finding out more about our culture? Learn more about our values here. Check out our blog posts or follow us on LinkedIn to find out more about what’s happening at ClickHouse. Equal Opportunity & Privacy ClickHouse provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type based on factors such as race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Please see here for our Privacy Statement.

ClickHouse Cloud, the fully managed version of the open source ClickHouse database, is available on AWS, GCP, and Azure. Customers can purchase directly from ClickHouse or through the cloud marketplaces. Billing is how every ClickHouse product reaches customers and shows up in our financials. As we add new products and new ways to buy, we are investing in our billing platform to scale with them. As Principal Product Manager for Billing and Marketplaces, you will lead that work and report to the Director of Product Management, Billing and Marketplaces. What you will do: • Own the multi-year vision, strategy, and roadmap for billing, from usage metering through invoicing, payments, and revenue recognition, working alongside the product managers and engineering leads of our metering and pricing, billing platform, and payments teams. • Evolve our metering and pricing foundation into a single metrics pipeline that new products can reuse, where the same metric can be priced differently by product and tier, and only net-new metrics need code changes. • Evolve our prepaid commit capabilities, with flexibility for customer-specific rate cards or metric-level discounts, contract changes and rollovers, and customer-facing balance visibility and spend alerts. • Own our cloud marketplace strategy and integrations across AWS, GCP, and Azure, including private offers, usage reporting, and subscription linking. • Lead the evaluation of billing architecture, from build versus buy decisions and POCs through migration plans and a clear recommendation to senior leadership. • Give Finance, Data, and Sales Ops systems they can trust, including ERP and revenue recognition sync, period close, audit controls, and SOX and SOC 2 readiness. • Partner with product teams, Product Marketing, Sales, and Support to launch billing for new products and pricing models, and serve as the company's subject matter expert on how customers are billed. • Mentor other product managers and help build the team. About You: • 10+ years of product management experience, including 5+ years owning billing, metering, payments, or commercial platforms for a cloud or usage-based product. • Deep expertise in usage-based pricing, prepaid credits, and committed spend contracts, and in how they translate into systems, invoices, and revenue. • Hands-on experience with AWS, GCP, or Azure marketplaces, including private offers, co-sell, entitlements, metering APIs, and disbursements. • Familiarity with payments across card, invoice, marketplace, and partner channels, including dunning and delinquency flows, fraud detection, and payment notifications. • Strong understanding of order-to-cash, including invoicing, payment processing, tax, multi-currency, ERP integration, and revenue recognition. • Experience with third-party billing and payment platforms, such as Stripe or a usage-based billing vendor. • A track record of designing and maturing a product area from v1 and leading complex programs across engineering, Finance, and go-to-market teams. • Excellent written and verbal communication, including presenting trade-offs to executives and explaining billing concepts to non-technical audiences. Bonus Points: • Experience at an infrastructure, database, or developer platform company. • Comfortable going deep with engineers on event-driven architectures, data pipelines, and idempotency, and fluent enough in SQL to analyze billing data yourself. • Speaking or published thought leadership on usage-based pricing, billing, or cloud marketplaces. Perks • Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in over 25 countries. • Healthcare - Employer contributions towards your healthcare. • Equity in the company - Every new team member who joins our company receives stock options. • Time off - Flexible time off in the US, generous entitlement in other countries. • A USD$500 Home office setup if you’re a remote employee. • Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites. Culture - We All Shape It As part of a rapidly scaling start-up, you will be instrumental in shaping our culture. Are you interested in finding out more about our culture? Learn more about our values here. Check out our blog posts or follow us on LinkedIn to find out more about what’s happening at ClickHouse. Equal Opportunity & Privacy ClickHouse provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type based on factors such as race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Please see here for our Privacy Statement.

About the Team The ClickPipes Platform plays a critical role in driving the growth of our company and ensuring the success of our clients by seamlessly onboarding and integrating data from diverse data sources into ClickHouse. Working at a petabyte scale and in high-velocity environments, this role offers an exceptional opportunity to solve challenging technical problems, operate with significant autonomy, and make a measurable impact. Working on ClickPipes offers the opportunity to operate with a high degree of ownership and autonomy, tackle ambiguous problems, and deliver features that are used by some of the most data-intensive companies in the world. You can find some of the teams recent work highlighted in our blog: • Flexible Scaling and Monitoring in ClickPipes • MySQL CDC Connector for ClickPipes • The Evolution of ClickPipes As a Senior Full-Stack Engineer, you’ll design and build complex, data-heavy user interfaces and own customer-facing workflows end-to-end. While this role has a strong frontend focus, engineers are expected to work comfortably across the whole stack, collaborating on backend services, APIs, and system integrations as needed. We’re looking for T-shaped engineers who bring deep frontend expertise while remaining pragmatic and effective beyond UI tasks. What will you do? • Build scalable UI systems that handle large datasets, async operations, and real-time state changes • Own features end-to-end, from initial design through production launch and long-term maintenance • Collaborate closely with product, design, and other engineering teams to deliver new features • Partner on API design and system contracts • Participate in an on-call rotation to support ClickPipes in production, helping diagnose incidents, and mitigate issues • Take ownership of production quality, including monitoring, debugging, performance tuning, and reliability improvements What you will bring: • 5+ years of experience building and shipping production full-stack applications • In-depth knowledge of web fundamentals (HTML/CSS, JavaScript, DOM, HTTP) • Solid experience in designing and building applications with React and TypeScript • Experience writing and maintaining automated tests (unit, integration, and E2E) as part of a CI/CD workflow • Practical knowledge of backend systems, REST and/or GraphQL APIs, and service-oriented architecture • Great communication skills and the ability to work effectively in a distributed, async-friendly team Nice to have: • Familiarity with Go, Node, or other server-side languages • Familiarity with cloud infrastructure concepts and infrastructure-as-code tools such as Terraform • Experience working on data-intensive products or platforms at scale Why Join Us: • Opportunity to work with cutting-edge technology at the intersection of data engineering and cloud-native infrastructure. • Be part of a high-visibility team integral to the company’s success. • Operate with autonomy, ownership, and the ability to drive meaningful impact in a rapidly evolving space. Perks • Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in over 25 countries. • Healthcare - Employer contributions towards your healthcare. • Equity in the company - Every new team member who joins our company receives stock options. • Time off - Flexible time off in the US, generous entitlement in other countries. • A USD$500 Home office setup if you’re a remote employee. • Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites. Culture - We All Shape It As part of a rapidly scaling start-up, you will be instrumental in shaping our culture. Are you interested in finding out more about our culture? Learn more about our values here. Check out our blog posts or follow us on LinkedIn to find out more about what’s happening at ClickHouse. Equal Opportunity & Privacy ClickHouse provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type based on factors such as race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Please see here for our Privacy Statement.

ClickHouse Cloud, the fully managed version of the open source ClickHouse database, is available on AWS, GCP, and Azure. Customers can purchase directly from ClickHouse or through the cloud marketplaces. Billing is how every ClickHouse product reaches customers and shows up in our financials. As we add new products and new ways to buy, we are investing in our billing platform to scale with them. As Senior Product Manager for Billing and Marketplaces, you will own a key area of that work and report to the Director of Product Management, Billing and Marketplaces. You Will: • Own the roadmap, execution, and launches for a key area of billing or marketplaces (for example metering and pricing, prepaid commit, or a cloud marketplace), working alongside engineering leads, Finance, and Sales Ops. • Scope features with engineering, turn them into a clear near-term roadmap, and track them through to launch. • Improve our prepaid commit capabilities, including customer-specific rate cards, contract changes and rollovers, customer-facing balance visibility, and spend alerts. • Drive our cloud marketplace integrations across AWS, GCP, and Azure, including private offers, usage reporting, and subscription linking. • Improve payment and collections flows, including dunning and delinquency handling, so customers are billed accurately and service is not interrupted by avoidable billing issues. • Lead billing launches for new products and pricing models in partnership with Product Marketing, Sales, and Support. • Serve as a subject matter expert on how customers are billed across the company. You Bring: • 7+ years of product management experience, including 3+ years owning billing, metering, payments, or commercial platforms for a cloud or usage-based product. • Solid understanding of usage-based pricing, prepaid credits, and committed spend contracts, and how they translate into systems, invoices, and revenue. • Hands-on experience with AWS, GCP, or Azure marketplaces, including private offers, co-sell, and metering APIs. • Familiarity with payments across card, invoice, and marketplace channels, including dunning and delinquency flows. • Working knowledge of order-to-cash, including invoicing, tax, multi-currency, and revenue recognition. • Experience with third-party billing and payment platforms, such as Stripe or a usage-based billing vendor. • A track record of independently leading complex projects across engineering, Finance, and go-to-market teams, from scoping through launch. • Strong written and verbal communication, including presenting trade-offs to product and engineering leadership and explaining billing concepts to non-technical audiences. Bonus Points: • Experience at an infrastructure, database, or developer platform company. • Comfortable going deep with engineers on event-driven architectures, data pipelines, and idempotency, and fluent enough in SQL to analyze billing data yourself. Perks • Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in over 25 countries. • Healthcare - Employer contributions towards your healthcare. • Equity in the company - Every new team member who joins our company receives stock options. • Time off - Flexible time off in the US, generous entitlement in other countries. • A USD$500 Home office setup if you’re a remote employee. • Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites. Culture - We All Shape It As part of a rapidly scaling start-up, you will be instrumental in shaping our culture. Are you interested in finding out more about our culture? Learn more about our values here. Check out our blog posts or follow us on LinkedIn to find out more about what’s happening at ClickHouse. Equal Opportunity & Privacy ClickHouse provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type based on factors such as race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Please see here for our Privacy Statement.

ClickHouse is the open-source, real-time analytical database behind a lot of today's AI. More than 4,000 companies build on ClickHouse, including Anthropic, OpenAI, Tesla and Meta. As a TAM Architect, you're the named technical lead for a small group of our largest customers. You carry the context of how they run ClickHouse, guide them from their first design decisions through production and growth, and make sure the rest of ClickHouse shows up for them when it matters. Your job is to keep them healthy, help them get more out of ClickHouse, and spot the next use case. You'll work inside our Support organisation and own escalations for your accounts, working closely with our support engineers. The role is based in Israel, close to some of our biggest customers in EMEA. Large enterprises are moving onto ClickHouse fast, and we're building out how we look after them. People joining now have a real say in how this role works. What you'll do • Run a regular cadence with 4 to 8 strategic accounts (weekly, fortnightly or monthly, depending on the project), plus quarterly health checks and business reviews, on site where it helps • Lead onboarding, where the decisions that are hardest to reverse get made: schema and data modelling, table engines, ingestion, migration and query design • Once customers are live, keep performance and cost on track as they grow, and help them onto new use cases • Work closely with Support: own escalations for your accounts, with regular case reviews and a direct line into L3 engineering • Work with the right people for each piece of work: partner with Solutions Architects on new use cases and proof of concepts, and bring in Consulting Engineers for hands-on projects • Write it down: documented setup and configuration, knowledge base articles and reference architectures that help other customers too What you'll bring • 5+ years in a hands-on, customer-facing technical role after the sale, whether your title was TAM, solutions architect, professional services, senior support or something else • Specialist depth in data modelling, query performance and integration on distributed or analytical databases • Hands-on SQL. You regularly write complex queries from scratch, and tune and debug them yourself • Experience owning a small book of high-touch enterprise accounts, where you know each customer's architecture in depth • Hands-on cloud experience (AWS, GCP and/or Azure) and a working knowledge of Kubernetes • You explain technical trade-offs clearly, to engineers and to executives • Fluent English and Hebrew Nice to have • Experience with ClickHouse, or with other analytical databases such as Snowflake, BigQuery, Redshift or Druid • Involvement in open source, as a user, contributor or community member Good to know • You'll be based in Israel. Travel to customer sites is part of the job, up to 35% of your time, within Israel and throughout EMEA • You'll join our EMEA Support Services team, where Support Engineers, Consulting Engineers and TAM Architects work as one team • You'll be part of the on-call rota, about one week a quarter, with time off in lieu if you're paged at a weekend How we hire • A 30-minute call with our recruiter • A conversation with the hiring manager • A take-home exercise, designed to take four to five hours, with three working days to complete it • A 90-minute technical interview with the team: you'll walk us through your take-home, then join a working session where you write and tune SQL live • A final conversation with our VP of Support Services • References, then an offer The working session is without AI tools, so make sure you're comfortable writing queries from scratch. Download open-source ClickHouse and practise: it's free, easy to install, and great preparation. Perks • Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in over 25 countries. • Healthcare - Employer contributions towards your healthcare. • Equity in the company - Every new team member who joins our company receives stock options. • Time off - Flexible time off in the US, generous entitlement in other countries. • A USD$500 Home office setup if you’re a remote employee. • Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites. Culture - We All Shape It As part of a rapidly scaling start-up, you will be instrumental in shaping our culture. Are you interested in finding out more about our culture? Learn more about our values here. Check out our blog posts or follow us on LinkedIn to find out more about what’s happening at ClickHouse. Equal Opportunity & Privacy ClickHouse provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type based on factors such as race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Please see here for our Privacy Statement.

ClickHouse welcomed Langfuse, the leading open-source platform for tracing, evaluation, and observability, to strengthen its position in the AI infrastructure and LLM observability ecosystem. With ClickHouse and Langufuse scaling to power enterprise AI workloads, we're growing our support team to provide a world-class experience for our expanding customer base, with unified expertise across database infrastructure and AI observability. We are seeking a Technical Customer Support Engineer to join our global Support Engineering team in a hybrid role spanning both ClickHouse and Langfuse ecosystems. In this position, you will support customers across EMEA and globally in the Americas and APJ when support is needed or coverage overlaps. You’ll be handling technical issues and solutions, ranging from core ClickHouse database requests to helping thousands of AI product teams succeed with tracing & evals in Langfuse. You will own a wide array of responsibilities, including front-line troubleshooting, community support, pre- and post-sales technical activities, and partnering on deeply technical POCs, and suggesting improvements to how we do things in Support at ClickHouse. What You'll Be Doing • Supporting and guiding our ClickHouse & Langfuse users, customers, and prospects via cases, chat, Slack, community, and phone calls, delivering high-touch guidance within required Service Level Agreements (SLAs) as part of a global on-call coverage rotation. • Develop solutions based on ClickHouse Cloud and ClickHouse open-source that can be shared with our users, community, and customers via documentation, knowledge base, blogs, meetups, webinars, and training. • Work closely with our global Support Services, Engineering, Go-to-Market, and Product Management teams to help define the functionality required by users and customers. • Assist with mentoring, training, and sharing your knowledge with colleagues, users, and customers. • Escalate bugs to product engineering and close the loop with the customer once shipped. • Go through deep technical integration/implementation questions together with our customers and directly within their codebases. • Build strong, trusted relationships with colleagues, customers, and partners across the developer ecosystem What You Bring For ClickHouse & Core Infrastructure: • Databases & OLAP Systems: Hands-on experience with databases, OLAP, or distributed systems (ClickHouse, SQL engines, or cloud-native SaaS infrastructure). • Systems Fundamentals: Strong software engineering fundamentals (CS, Data Science degree, or comparable hands-on project experience) with comfort reading code, working with data pipelines (e.g., Kafka, Spark), or debugging cloud infrastructure (AWS/GCP/Azure). • Distributed & Operational Rigor: Comfort working in a global, remote-first team aligned to SLA coverage, on-call needs, and async communication. For Langfuse & AI Observability: • LLM Tooling & Application Dev: Genuine curiosity for LLM application development with hands-on experience building, debugging, or evaluating LLM-powered products using frameworks like Python, TypeScript, LangChain, LlamaIndex, or Vercel AI SDK. • Tracing, Evals & Developer Tooling: Familiarity with LLM observability/eval tooling, prompt workflows, model provider APIs (OpenAI, Anthropic), or OpenTelemetry-style tracing to unblock AI-product teams. • Technical Support & Communication: Strong written communication across registers. You have concise Slack troubleshooting, clear long-form docs/guides, and a customer-first mindset to unblock engineers. Bonus Points • Experience with OSS and open-source technologies, as a user, community member, or contributor • Experience with ClickHouse • Experience with Langfuse specifically, or with LLM observability/eval tooling more broadly. • Experience with AWS, GCP, or Azure. • Experience with data pipeline technologies such as Kafka, Kinesis, Spark, or RabbitMQ. Perks • Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. We currently operate in over 25 countries. • Healthcare - Employer contributions towards your healthcare. • Equity in the company - Every new team member who joins our company receives stock options. • Time off - Flexible time off in the US, generous entitlement in other countries. • A USD$500 Home office setup if you’re a remote employee. • Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites. Culture - We All Shape It As part of a rapidly scaling start-up, you will be instrumental in shaping our culture. Are you interested in finding out more about our culture? Learn more about our values here. Check out our blog posts or follow us on LinkedIn to find out more about what’s happening at ClickHouse. Equal Opportunity & Privacy ClickHouse provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type based on factors such as race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Please see here for our Privacy Statement.