Top Software Engineer Jobs in France

Responsible for training large-language models by reviewing, ranking, and improving AI-generated code. Requires strong software engineering skills.

Join our AI Operations team as a Software Engineer, developing AI-powered features and tools, optimizing services, and shaping internal standards.

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

As an iOS Software Engineer, you will lead technical discussions, manage project scope, collaborate with teams, and ensure high-quality software deployment.

The Staff/Lead Engineer role involves maintaining and enhancing video generation infrastructure, building monitoring tools, and ensuring scalable solutions while evaluating commercial impacts and guiding team direction.

As a Senior Software Engineer, you'll develop cross-platform libraries using Rust, collaborate with teams, and impact millions of users through software delivery.

Design, build, and ship production-grade full-stack features for INFINIT's fintech platform. Own end-to-end feature lifecycle, translate business needs into scalable systems, ensure code quality, and prioritize high-impact product outcomes.

As a Database Engineer, you will design database architecture, manage system interfaces, improve continuous integration, and update database features for compliance with aerospace regulations.

Review, rank, and improve AI-generated code across languages, focusing on Ruby. Repair/refactor code, provide detailed written justifications, and inject ratings/edits/test results into the RLHF pipeline to help train models.

Evaluate and improve AI-generated code: compare and rank snippets, repair and refactor for correctness, efficiency, and style, and inject detailed feedback and test results into the RLHF training pipeline as an asynchronous remote contributor.

Review, rank, and improve AI-generated code to train LLMs: compare implementations, repair/refactor for correctness, efficiency, and style, and provide detailed feedback for RLHF pipelines. Work asynchronously as a remote contractor, injecting ratings, edits, and test results to improve model outputs.

Evaluate, rank, repair, and refactor AI-generated code to improve correctness, efficiency, and style; provide detailed written feedback for RLHF pipelines; and help maintain the code-evaluation and training workflow remotely.

Review, rank, repair, and refactor AI-generated code to improve correctness, performance, and style. Provide detailed written feedback and edits for RLHF pipelines, converting expert judgments into signals used to train models. Work asynchronously as a remote 1099 contractor.

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.

The Senior Android Developer will design, develop, and maintain applications for IoT products, ensuring user-centric design and code quality while collaborating with cross-functional teams.

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.

Join the Manufacturing & Supply Accelerator team as a Senior Software Engineer to design and implement software solutions that accelerate medicine delivery and enhance system scalability and reliability, with a focus on collaboration and innovation.

Seeking a Staff Software Engineer to lead technical initiatives in the Manufacturing & Supply Accelerator, ensuring robust software solutions and coaching engineers while collaborating across teams.

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 role involves leading technical requirements, designing software architectures, deploying frameworks, certifying compliance, and innovating in embedded simulation software.