Top Software Engineer Jobs in Paris

Join a small team to develop and operate Scaleway's non-relational database products (Redis, MongoDB). Ensure high-performance, stable production, deploy to new regions, perform code reviews, write docs, follow Agile, and collaborate cross-functionally.

Contribute to backend development of IAM services: build authentication and access-control features, improve security and observability, implement secret scanning and API key tracking, design authentication/authorization policies, and collaborate with engineers, product, and security teams.

Design, build, and maintain backend services for Scaleway's network connectivity products. Implement gRPC APIs in Rust, work on InterLink, Site-to-Site VPN, and Public Gateway features, debug complex networking/distributed systems issues, resolve customer incidents with support, participate in architecture and reliability improvements, and collaborate across product, documentation, and engineering teams.

Ownership and development of Scaleway's S3-compatible Object Storage: lead architecture projects (new regions, service classes), implement features, bridge low-level system administration and DevOps, troubleshoot distributed storage incidents, perform level-2 on-call, coordinate hardware interventions, review code, and maintain documentation and onboarding guides.

Design, build, and optimize highly available Go backend services for IAM and internal API Gateway. Improve scalability, resiliency, latency, networking, and CI/CD; troubleshoot production issues; contribute to architecture, documentation, and low-level system knowledge sharing.

Design and build core IaaS/PaaS components (APIs, backends, worker services), add features, improve test coverage and resilience, write technical documentation, run operational rotations, resolve customer incidents, and collaborate across Product, Design, and Documentation.

Contribute to development and maintenance of user account services: build new features, optimize deployment pipelines, design scalable systems, reduce technical debt, improve code quality, and collaborate across frontend/backend and DevOps to ensure reliability.

Develop and maintain backend and admin software to operate bare-metal cloud infrastructure. Implement Python services, build React/TypeScript frontends or manage IaC (Terraform/Ansible), optimize deployments, refactor legacy code, and collaborate in a Scrum squad to ship next-generation infrastructure features.

Develop and maintain Python backend systems powering hardware update, testing, and inventory; own either React/TypeScript frontends or DevOps/IaC pipelines (Terraform, Ansible, GitLab CI/CD, Docker, Kubernetes, Proxmox); bridge low-level hardware data to web APIs; design and ship infrastructure milestones; optimize and test existing code; participate in code reviews and Scrum ceremonies.

The Senior iOS Engineer will lead engineering decisions, ship production code, and enhance the app architecture while ensuring a great user experience.

The Software Engineer will enhance the data ingestion pipeline, collaborating with scientists for model training and data optimization, while managing cloud infrastructure.

As a Web Engineer, you'll develop internal tools, growth infrastructure, and real-time dashboards, taking end-to-end ownership of systems to enhance operational workflows.

Build and maintain scalable, reliable agentic AI systems for biomedical research, integrating LLMs, tool-calling, and data platforms. Drive technical decisions, optimize analytical workflows, deploy agents on the data platform, mentor teammates, and participate in on-call rotation to ensure performance, security, and continuous improvement.

As a Software Engineer Intern, you'll work with a team to build applications and infrastructure, engage in product decision-making, and contribute to frontend and backend code development.

Drive end-to-end performance and scalability testing for NVIDIA DGX Cloud across Kubernetes and NVIDIA components. Develop automated workload tests, monitoring and CI/CD frameworks, triage complex distributed-system issues, collaborate with customers and upstream open-source communities, and document and present findings.

Build and own end-to-end features across backend and frontend: design backend services and data models (Python/Django), implement RESTful APIs, create reusable frontend components (TypeScript/React), write tests, participate in code reviews, maintain production reliability and security, and collaborate with product and design.

As a Staff Platform Engineer at Joko, you will lead platform efforts, ensure infrastructure reliability, enhance developer experience, and optimize costs, focusing on security and scalability while collaborating across teams.

Develop and maintain C# applications, design robust solutions with the team, write unit tests and occasional end-to-end test plans, conduct code reviews, and diagnose and resolve technical issues to ensure code quality and reliability.

Drive performance and scale characterization for NVIDIA DGX Cloud across Kubernetes and NVIDIA components. Build automated tests, monitoring, and CI/CD for large-scale GPU-accelerated workloads. Triage and resolve distributed systems performance issues, collaborate with researchers and upstream open-source communities, and present findings at conferences.

As a Software Engineer, you'll design and develop software solutions, solve technical problems, lead projects, and collaborate with product and operations teams.

Build and maintain reliable API integrations with EV chargers, vehicles, and OEM platforms. Improve connectivity platform reliability, observability, and scalability. Develop automations and internal tools, define SLAs and monitoring, reduce incidents, and collaborate across teams to support Enode's energy device integrations.

Build and scale a blockchain data platform handling petabytes of on-chain data. Design and implement distributed systems, data ingestion/decoding pipelines, and performant SQL processing. Write production code (Kotlin, Go, Java, Rust), improve developer experience, automate operations (including AI-driven automation), and own platform components.

Join the Android team to develop high-quality UI features, enhance platform components, manage system performance, and engage in knowledge sharing and ideation processes.

Design and build internal systems for user safety, develop APIs, enhance data collection, and ensure compliance with global regulations.

Develop backend systems in Rust, maintain cross-platform components, implement features, analyze system performance, and engage in continuous improvement.