Top Software Engineer Jobs in Paris

Lead verification and validation of embedded, front-end, and back-end clinical software. Plan, write, and execute tests, maintain test environments, ensure traceability to requirements, support design controls, risk management, and regulatory submissions, and improve testing processes and automation.

The Senior Software Engineer will design and maintain a Web and Mobile Design System using React and React Native, drive convergence between platforms, ensure accessibility, mentor team members, and improve developer experience through tooling and automation.

As a Senior Backend Engineer II, you will develop efficient services, support the transition to a service-oriented architecture, and foster a collaborative team environment.

Design and build planning systems for autonomous driving. Responsibilities include optimizing algorithms, collaborating with engineering teams, and mentoring engineers.

Develop and enhance features for SumUp's POS Android app, collaborating in a cross-functional team while implementing Kotlin Multiplatform strategies and ensuring high-quality code and architecture.

As a Growth Software Engineer, you will scale user and business growth through experimentation, data-driven development, and cross-functional collaboration, particularly in user engagement and retention.

The AI Software Engineer will develop and improve Joko's AI shopping assistant, focusing on architecture, evaluation, data management, and personalized user experiences, while collaborating with product teams.

Build and ship full‑stack features for North, an enterprise AI workspace. Develop secure autonomous agents, execution engines, integrations, observability and evaluation systems. Collaborate with researchers to productionize models and deliver performant, low‑resource deployment code while adhering to strict security and privacy constraints.

Work directly with founders to build and iterate the first versions of an MCP hosting platform. Implement features, deploy and monitor MCP servers at scale, and help ship production-ready infrastructure and web tooling for AI-native agent workflows in a fast-paced startup environment.

Build, design, and ship MCP servers for customers end-to-end. Translate company vision and customer feedback into production features. Perform design, coding, QA, and customer support independently while following MCP best practices. Work closely with customers to deliver reliable, maintainable agent-ready infrastructure.

Develop, optimize, and upstream hardware-accelerated video encode/decode/transcode pipelines on Intel graphics using Quick Sync, oneVPL/VPL, VA-API and D3D backends; engage with open-source communities and ISVs, perform performance and quality analyses, author patches and technical content, and advise Intel product teams to improve media solutions.

Develop, prototype, and optimize Vulkan-based GPU compute solutions across Windows, Linux, and ChromeOS. Work with ISVs, open-source communities, and internal teams to profile, debug, and tune workloads on Intel platforms, provide technical consultation and documentation, and influence hardware/software architecture to improve performance and adoption across client systems.

Lead architecture and platform design for a quantum-computing software stack: design services, APIs, storage, data ingestion, and orchestration; enable hardware/software interaction loops; partner with researchers and data engineers; drive long-term roadmap and mentor engineering teams.

Develop and maintain automated test suites (API and UI) using Python and test frameworks, define manual testing plans and strategies, improve test infrastructure (VMs, containers, provisioning), collaborate with developers to ensure testable code, participate in CI pipelines, and mentor QA team members.

Design, develop, and optimize highly available, scalable microservices for a real-time, high-throughput gaming platform. Work on event-driven systems, APIs, databases, testing, deployments in AWS, performance monitoring, and cross-team technical collaboration.

As a Software Engineer, you'll develop innovative projects using Java and various frontend technologies, manage cloud deployments, and improve your skills through training.

Responsible for building scalable distributed systems, mentoring teammates, innovating on technical solutions, and improving team processes. Requires expertise in backend languages, especially Golang and Typescript.

The Lead Golang Software Engineer develops server solutions, leads technical designs and code reviews, mentors colleagues, and ensures the quality of engineering practices in the Commercial Systems unit.

The Python Software Engineer will develop and maintain test automation tools for hardware certification and improve Linux testing methods.

You will build and maintain container images, automate CI/CD processes, engage with the community, and mentor junior team members in a collaborative environment.

Drive process improvement, coach colleagues, and manage features in a distributed system for cloud automation and software operations.

Lead Python Software Engineer responsible for developing solutions, collaborating on designs, mentoring team members, and enhancing engineering practices.

Develop and enhance dqlite, a distributed SQLite database, including debugging, implementing features, and engaging with the open source community.

As a Senior Software Engineer at Swile, you will solve engineering challenges, design solutions, mentor others, and collaborate with teams to enhance user experiences.

As a Staff Software Engineer, you will design and operate scalable compute systems for drug discovery, improving workflows and system reliability while collaborating with scientists and engineers.