Top Software Engineer Jobs in France

Develop and maintain embedded software for UAV systems: configure Embedded Linux/RTOS, design scalable architectures, implement sensor drivers, improve telemetry, debug hardware/software, and collaborate with multidisciplinary teams to deliver field-ready systems.

Design, implement, and verify cybersecurity across embedded platforms by leading threat modeling, specifying secure architectures (secure boot, firmware updates, key management), integrating cryptographic features, validating and hardening systems, and driving compliance and certification efforts across product lines.

Design, build, and maintain internal tools, AI/LLM-powered agents, dashboards, and lightweight backend services. Streamline operational workflows, integrate systems, support cloud deployment and CI/CD, and ensure code quality, observability, and reliability.

The Junior Software Developer will collaborate on a cloud-native monitoring stack, developing features, debugging, and representing Canonical at events.

As a Senior Software Engineer, you will develop and manage a MongoDB solution on various platforms, ensuring reliability and security while contributing to a small team focused on impactful projects.

Lead backend development of high-performance web applications using Java/Spring, integrate Docker/Kubernetes and LLM features, collaborate with frontend (Angular/React), use GitLab CI/CD, drive greenfield projects and improve existing systems within an Agile team.

The Software Engineer I role involves designing, developing, and testing high-quality 3D interoperability software, collaborating in an agile environment, and providing technical support.

As a Senior Software Engineer, you will design and develop the Metis system, ensuring operational integrity and quality, while addressing challenges in distributed systems and collaborating with teams.

The Lead Software Engineer II is responsible for designing and delivering high-quality software, mentoring junior engineers, and collaborating with teams to enhance engineering practices and operational support in cloud environments.

Develop and integrate embedded software for military avionics systems, ensuring compliance with safety standards across the software lifecycle.

Develop and deploy APIs and frontend applications, collaborate with teams, ensure code quality, and contribute to strategic decisions in a growing engineering team.

The role involves open-sourcing models and maintaining libraries, optimizing performance, and collaborating with the open-source community. Requires expertise in machine learning and strong programming skills.

Design and develop audio SDKs for gaming applications, optimize audio performance, collaborate with developers, and mentor junior team members.

Lead technical founding of OpenGRC: define architecture and roadmap, build MVP (SPA frontend and event-driven Node.js backend), design correlation and quantification engines, set engineering standards, mentor engineers, integrate with OpenCTI/OpenAEV and the open-source community, and translate product goals into scalable technical solutions.

The role involves architecting and deploying 3D object detection models, maintaining data pipelines, training models, and mentoring junior engineers.

As a Senior Software Engineer, you'll develop, test, and deploy features impacting global revenue, manage high-throughput systems, and collaborate across teams.

Develop and maintain front-end and back-end components for cloud native applications, utilizing React and TypeScript to handle complex data visualization and UI tasks.

As a Senior Software Developer, you'll design, build, and scale systems for game server hosting using various technologies while collaborating across teams.

The Embedded Software Engineer II will design, develop, and test embedded systems for connected products, ensuring software quality and performance, while mentoring junior engineers and participating in architecture discussions.

Lead and manage a team of software engineers within the Manufacturing & Supply Accelerator teams. Focus on delivering high-quality solutions and driving technical excellence while collaborating with stakeholders to execute the team's roadmap.

Design, implement, and maintain systems for a modern ledger at Alpaca. Collaborate with teams to deliver scalable solutions for trading financial assets.

Lead end-to-end development and architecture of industrial-grade AI/ML software products, collaborate cross-functionally, integrate ML capabilities, provide technical leadership, mentor staff, and support product strategy, governance, and external representation.

As a Senior Software Engineer at MetaMask, you'll build and enhance user engagement tools, contribute to backend APIs, and collaborate with cross-functional teams to create secure Web3 interactions.

Design, build, and optimize secure, high-performance backend services using Rust for a fintech platform, ensuring reliability and scalability.

Own and improve Langfuse SDKs (Python and TypeScript), ensuring reliability, performance, API design, integrations with AI frameworks, OpenTelemetry support, documentation, and developer experience.