Python Developer jobs in Tel Aviv-Yafo

Description At Sunbit, we're building financial technology that puts people first. By combining intelligent decisioning with a personalized, transparent approach, we help consumers access the payment options that are right for them while empowering merchants to build stronger customer relationships. Engineering is at the heart of how we make that happen. We build scalable distributed systems, cloud-native services, intelligent data platforms, and AI-powered solutions that enable real-time financial decisions at scale. By leveraging modern engineering practices and integrating AI into both our products and development workflows, we solve complex technical challenges, accelerate innovation, and continuously improve the way we build software. Every service, model, and architectural decision we make directly impacts our products, our customers, and the future of financial technology. What You’ll Do Sunbit is seeking a Senior Python Software Engineer to join our high-impact Risk Team. The Risk Team sits at the heart of our decisioning engines, powering every Sunbit product through a state-of-the-art fusion of predictive machine learning models and real-time market strategies. In this role, you will lead backend development for new financial products, working closely with ML Engineers to build robust, fault-tolerant infrastructure that supports complex predictive models. You will design and scale high-volume, low-latency systems that execute critical financial decisions in milliseconds. We are looking for an engineer who understands end-to-end software architecture and possesses the business acumen to transform strategic goals into engineering reality. Key Responsibilities • Architect & Build: Design and implement resilient, low-latency backend solutions capable of handling high-throughput, high-availability demands. • Solve Complex Systems Challenges: Tackle intricate architectural problems by applying deep expertise in distributed systems and performance optimization. • Cross-Functional Collaboration: Partner closely with ML engineers, product managers, and data scientists to operationalize decisioning logic smoothly. • Maintain & Scale Infrastructure: Safeguard system health, ensure continuous operational stability, and optimize runtime performance. • Drive Technical Excellence: Advocate for clean code, solid design patterns, robust testing, and maintainable software architecture. • Mentor & Empower: Elevate the engineering team by mentoring junior developers, leading technical discussions, and fostering a culture of continuous learning. Requirements • Proven track record in designing, scaling, and maintaining high-performance microservices architectures. • Hands-on proficiency with Python, Kafka, FastAPI, and relational databases like MySQL. • Strong foundational knowledge of data structures, clean code practices, and asynchronous programming. • Excellent problem-solving skills with a proactive, self-motivated approach to technical ambiguity. • Fluent in spoken and written English with strong collaboration skills. Preferred Experience: • 7+ years of professional software engineering experience focusing on large-scale distributed systems. • Experience with cloud platforms, ideally AWS. • Passion for modern AI tools and a drive to integrate them into daily engineering workflows to enhance productivity. • Prior experience in Fintech, real-time financial decisioning engines, or risk platform Recruitment Fraud Disclaimer We’ve been made aware of fraudsters impersonating Sunbit employees during the hiring process. Please note that all official communication will come from an @sunbit.com email address, through our applicant tracking platform @sunbit.comeet-notifications.com or directly via LinkedIn. We will never ask for your age, Social Security number, bank account details, payment of any kind, or other unrelated personal information during the application process. Our hiring process always includes interviews, either by phone, zoom, or in person, before any offer is made. If something feels suspicious, please contact us at HR to confirm. We ask that you contact HR only about potential instances of fraud. HR does not reach our recruiting team directly. Your application directly through the posting is the best way to ensure that your candidacy is reviewed by our team. Due to the volume of applications, we will not respond to nor forward emails about your candidacy that are sent to HR directly, and your email about your application will be deleted from our systems.

WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets. We seek to produce high-quality predictive signals (alphas) through our proprietary research platform to employ financial strategies focused on market inefficiencies. Our teams work collaboratively to drive the production of alphas and financial strategies – the foundation of a balanced, global investment platform. WorldQuant is built on a culture that pairs academic sensibility with accountability for results. Employees are encouraged to think openly about problems, balancing intellectualism and practicality. Excellent ideas come from anyone, anywhere. Employees are encouraged to challenge conventional thinking and possess an attitude of continuous improvement. Our goal is to hire the best and the brightest. We value intellectual horsepower first and foremost, and people who demonstrate an outstanding talent. There is no roadmap to future success, so we need people who can help us build it. Technologists at WorldQuant research, design, code, test and deploy firmwide platforms and tooling while working collaboratively with researchers and portfolio managers. Our environment is relaxed yet intellectually driven. We seek people who think in code and are motivated by being around like-minded people. The Role We are seeking an exceptional senior-level Python engineer to join a small team working on complex data pipelines, AI/ML systems, and cutting-edge software solutions. This role will be responsible for managing technical objectives, providing technical leadership, and maintaining a hands-on approach to development. The ideal candidate will work closely across teams within WorldQuant as part of our business-facing technology organization. A successful candidate will possess deep expertise in Python development, data engineering, software architecture, and design principles. They should be able to mentor junior team members, conduct code reviews, and drive architectural decisions. Experience with AI and large language models (LLMs) is highly desirable. What You'll Bring • Master's degree or higher in Computer Science, Engineering, or a related technical field from a top-tier institution. • 7+ years of experience as a Python developer, with a strong focus on data engineering and AI/ML systems. • Expert-level knowledge of Python and its ecosystem, including experience with data processing libraries like Pandas, NumPy, and PySpark. • Proficiency in designing and implementing scalable, maintainable, and efficient data pipelines. • Experience with cloud platforms (AWS, GCP, or Azure) and containerization technologies (Docker, Kubernetes). • Expertise in version control systems (Git), CI/CD practices, and agile methodologies. • Strong communication skills with the ability to explain complex technical concepts to both technical and non-technical stakeholders. • Experience in the finance industry is a plus but not required. • Experience with AI/ML frameworks such as PyTorch, or scikit-learn, LLM, agents or systems of agents is a significant plus. #LI-DN1 By submitting this application, you acknowledge and consent to terms of the WorldQuant Privacy Policy. The privacy policy offers an explanation of how and why your data will be collected, how it will be used and disclosed, how it will be retained and secured, and what legal rights are associated with that data (including the rights of access, correction, and deletion). The policy also describes legal and contractual limitations on these rights. The specific rights and obligations of individuals living and working in different areas may vary by jurisdiction. Copyright © 2025 WorldQuant, LLC. All Rights Reserved. WorldQuant is an equal opportunity employer and does not discriminate in hiring on the basis of race, color, creed, religion, sex, sexual orientation or preference, age, marital status, citizenship, national origin, disability, military status, genetic predisposition or carrier status, or any other protected characteristic as established by applicable law.

WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets. We seek to produce high-quality predictive signals (alphas) through our proprietary research platform to employ financial strategies focused on market inefficiencies. Our teams work collaboratively to drive the production of alphas and financial strategies – the foundation of a balanced, global investment platform. WorldQuant is built on a culture that pairs academic sensibility with accountability for results. Employees are encouraged to think openly about problems, balancing intellectualism and practicality. Excellent ideas come from anyone, anywhere. Employees are encouraged to challenge conventional thinking and possess an attitude of continuous improvement. Our goal is to hire the best and the brightest. We value intellectual horsepower first and foremost, and people who demonstrate an outstanding talent. There is no roadmap to future success, so we need people who can help us build it. Technologists at WorldQuant research, design, code, test and deploy firmwide platforms and tooling while working collaboratively with researchers. Our environment is relaxed yet intellectually driven. We seek people who think in code and are motivated by being around like-minded people. The Role: Our group is responsible for building software enabling both the large-scale quantitative research operations that drive WorldQuant’s platform and the production of our portfolio. The team is currently embarking on a multi-year journey to provide a powerful, scalable, and efficient platform to drive the firm’s next decade of growth. We are looking for someone who can own some of the unique technical challenges inherent in the problem and who can bring solid experience and perspective to the team. What You’ll Bring: A successful candidate will possess: • A minimum of 7 years of writing production-quality code in Python on Linux platform • Candidate must be willing to learn C++. Experience in C++ is a strong plus • Candidate must have strong interest and motivation to work with machine learning, deep learning, backtesting platform design and development technologies. Prior experience is not required but will be considered as a strong plus. • Strong understanding and experience with Linux system programming fundamentals • Ability to develop large-scale, distributed systems • Strong understanding of data structures, algorithms, high-performance application design, and concurrency patterns. • Self-motivated and able to work independently with minimal direction • Proficiency in English An outstanding candidate will also have experience with one or more of: • Developing systems for managing and performing computation on large-scale graph data • Streaming / dataflow systems • Candidates need not have prior experience in financial services. #LI-DN1 By submitting this application, you acknowledge and consent to terms of the WorldQuant Privacy Policy. The privacy policy offers an explanation of how and why your data will be collected, how it will be used and disclosed, how it will be retained and secured, and what legal rights are associated with that data (including the rights of access, correction, and deletion). The policy also describes legal and contractual limitations on these rights. The specific rights and obligations of individuals living and working in different areas may vary by jurisdiction. Copyright © 2025 WorldQuant, LLC. All Rights Reserved. WorldQuant is an equal opportunity employer and does not discriminate in hiring on the basis of race, color, creed, religion, sex, sexual orientation or preference, age, marital status, citizenship, national origin, disability, military status, genetic predisposition or carrier status, or any other protected characteristic as established by applicable law.

Description Shape the Future of AI Infrastructure with VAST Data This is a rare opportunity to join one of the fastest-growing infrastructure companies in tech history, right at the epicenter of the AI revolution. Recognized by Forbes as "the future of the market," VAST Data is building the foundational enterprise software powering the AI era. We engineer platforms that capture, catalog, refine, and protect massive datasets across data centers, edge, and cloud, making real-time analytics, AI training, and inference simpler and faster than ever before. Our explosive growth is fueled by relentless engineering innovation, a customer-first mindset, and a team of fearless VASTronauts who thrive on solving computing's hardest problems. Join us at this pivotal moment in technology history and make a lasting impact on how the world processes data. We are seeking a talented and experienced Software Engineer to design, build, and optimize high-performance distributed systems, core data engines, and backend infrastructure. Work in a team of top-of-the-line software engineers, developing state-of-the-art management systems for Cloud solutions, managing mission-critical enterprise-level data platforms. Requirements Senior Python Backend Engineer (Cloud, Management & Data Engine) About the Role: We are looking for a top-of-the-line Senior Python Backend Engineer to develop state-of-the-art enterprise platforms, cloud solutions, and data engines. In this role, you will design mission-critical, high-availability distributed systems, build advanced APIs, and deploy software across diverse cloud and infrastructure ecosystems Key Responsibilities & Requirements: • Python Mastery: Proven, extensive server-side Python programming expertise. • Architecture & Scale: Strong background in building enterprise-grade, cloud-operated, or high-scale distributed systems with complex high-availability mechanisms. • API Development: Hands-on experience designing, scaling, and operating robust REST APIs and control planes. • Data & Linux: Proficiency working in Linux environments, database modeling/management, and robust integration testing within CI/CD pipelines. • Mindset: A fast learner, dedicated team player, and accurate system designer with exceptional coding capabilities. Advantages / Nice-to-Have (Depending on specific team focus): • Cloud: Experience deploying workloads on major Hyper-scalers (AWS, Azure, GCP). • Concurrency & Frameworks: Familiarity with either low-level Python concurrency (multi-threading/multi-processing) or modern Async frameworks (FastAPI, Async I/O, Pydantic). • Infrastructure & Events: Background in virtualization/storage/network management systems, event-driven architectures (e.g., Kafka), or serverless workloads. Teams: • Management Team: Enterprise Control Panel: Builds the end-to-end REST-to-RPC API pipeline to process complex client requests. Core Infrastructure: Manages storage, network, and virtualization layers, utilizing concurrent Python for cluster deployments and system upgrades. • Data Engine Services: focuses on a modern cloud-native ecosystem, demanding specialization in Kubernetes orchestration, event-driven architectures, and asynchronous Python (FastAPI/Async I/O) • Cloud Team: focuses on cloud-hosted SaaS platforms, bridging low-level Python system architecture with multi-cloud deployments across major hyper-scalers (AWS, Azure, GCP).

Description Quantum Machines is a global leader in control systems for quantum computing, a field on the verge of exponential growth, bringing about opportunities like those made possible with the invention of classical computing 50 years ago. At QM, we provide the world’s most leading researchers and organizations with the critical tools they need to develop useful quantum computers. QM’s hardware and software represent a new paradigm for controlling quantum computers, from a single qubit to hundreds and thousands. We are assembling the strongest team of professionals in the world with the goal of revolutionizing how quantum computers are built and controlled and accelerating their arrival. Quantum Machines is backed by globally recognized venture capital sponsors, including TLV Partners, Battery Ventures, Red Dot Capital Partners, Avigdor Willenz’ investment group, Harel Insurance, and others. We are looking for an experienced hands-on Python Engineer who can work independently with remote teams (SW, HW, logic,…) and create products that will shape the future of Quantum Computers. The Quantum Computing SDK is the interface through which our customers run QM control system. Customers use it to configure their cutting-edge system and run their ground-breaking experiments. Various institutions from world-class universities to hyper-scalers use the SDK to calibrate their delicate QBits, perform Write and Read Quantum Computing Operations and run programs in higher level Quantum Computing languages like OpenQASM3. Responsibilities • Develop the software for the company's Quantum Computing SDK. • Take part in all the technical aspects of the SW development from design to delivery. • Work with high standards of SW methodology, clean-code and CI. Requirements Requirements: •7+ years of hands-on Python experience– Must • Experience in writing and maintaining production code for large systems – Must • Deep understanding of design patterns, systems & SW architecture – Must • Proven track record handling code review, testing, and system integration – Must • Proven experience providing open source code – Strong advantage • B.Sc. or higher degree in Computer Sciences, EE, or equivalent. Personal Skills: • Passionate about technology, driven by challenges, and inspired by the opportunity to build fascinating, multi-disciplinary products & solutions. • Strong engineering capabilities with a can-do attitude. • Excellent communication and teamwork skills. • Capable of executing under uncertainty in a dynamic environment • Enjoy working in a cross-geography, multi-site environment. • Excellent verbal and written skills in English.

Description Company Overview: Cellebrite’s (Nasdaq: CLBT) mission is to enable its global customers to protect and save lives by enhancing digital investigations and intelligence gathering to accelerate justice in communities around the world. Cellebrite’s AI-powered Digital Investigation Platform enables customers to lawfully access, collect, analyze and share digital evidence in legally sanctioned investigations while preserving data privacy. Thousands of public safety organizations, intelligence agencies and businesses rely on Cellebrite’s digital forensic and investigative solutions—available via cloud, on-premises and hybrid deployments—to close cases faster and safeguard communities. To learn more, visit us at www.cellebrite.com, https://investors.cellebrite.com/investors and find us on social media @Cellebrite. Position Overview: As a Senior Software Developer in Cellebrite Labs, your daily mission involves designing and developing advanced capabilities to extract digital evidence from modern Android and iOS devices. You will tackle some of the toughest security protections such as PAC, Secure Elements, Code Signing, Hypervisors, and more. Working in the heart of the Digital Intelligence Labs group, you will contribute to productizing world-unique capabilities that enable law enforcement and private sector customers to conduct legally sanctioned forensic investigations effectively and securely. This role requires a combination of deep technical knowledge, creativity, and persistence to solve complex problems while collaborating closely with top researchers and engineers. Your work will have a direct impact on investigations that save lives and uphold justice globally. Key Responsibilities: • Lead and contribute to the development of new extraction technologies for Android and iOS platforms. • Analyze and reverse-engineer low-level OS internals and security mechanisms. • Develop robust system-level software in C, C++, and Python. • Collaborate with cross-functional teams to design, test, and integrate new capabilities into Cellebrite’s Digital Intelligence platform. • Stay current with emerging mobile security technologies and forensic challenges. • Share knowledge and best practices within the team to elevate overall engineering quality. Requirements • 8+ years of software development experience (or equivalent military experience). • Expertise in system programming and Python programming – required. • Solid understanding of OS internals with hands-on experience in low-level programming (Android/Linux bootloaders and kernel) – required. • Experience with C/C++ programming and reverse engineering – advantage. • Proactive, curious mindset with strong problem-solving skills. • Excellent team-player with the ability to independently learn and explore new technologies. This position is based at our Tel Aviv office in Alon Tower. #LI-AS1