Top Software Engineer Jobs in Paris

Design, develop, and maintain SoC firmware and software across drivers, bootloader, memory, I/O, low-power management, and application stacks. Build and run SoC validation test suites pre/post tape-out, collaborate with cross-functional teams on requirements and testing, and improve development processes.

Join a team of engineers to work on a complex codebase while utilizing MongoDB, Node.js, and Vue.js. Responsibilities include developing and improving functionalities, collaborating within squads, and onboarding new engineers.

Build and maintain payroll integrations by reverse engineering web and mobile apps. Improve shared libraries and frameworks, collaborate with product and data teams, and own end-to-end integration solutions that power the real-time income data platform.

As a Website Software Engineer, you will develop and optimize website features, support marketing initiatives, and contribute to architectural decisions while working with a creative team.

Drive object squad projects from design through implementation, ensuring high-quality software development, collaborating with teams, and maintaining distributed systems.

The Associate Software Engineer will design and implement features for eFront Invest, contribute to full software lifecycle, maintain backend services, and collaborate with a global team while learning and improving technical skills.

As a Senior Software Engineer, you'll enhance REDAPL, lead projects, focus on data ingestion and query pipelines, and ensure platform reliability.

Develop high-quality software solutions, participate in Agile meetings, debug and validate code, and contribute to design discussions in a collaborative environment.

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

Design, develop and maintain robust backend APIs, manage the API landscape, collaborate on B2B solutions, and align architecture with product strategy.

The Software Engineer will design and maintain backend APIs, oversee API landscape, and collaborate with cross-functional teams to align the architecture with product strategy.

Responsible for data collection to support model training, finding new audio data sources, and operating the cloud infrastructure for ingestion pipelines.

The Senior Software Engineer will solve scaling bottlenecks, deploy new features, manage production issues, design scalable architecture, and collaborate on project planning.

Design and build scalable serverless solutions on GCP using Node.js, React and Next.js. Map large PIM datasets to retailer formats, own microservices and deployments, champion TDD and observability, mentor engineers, and collaborate cross-functionally to deliver customer-focused sales enablement tools.

Join the frontend team to build and improve HarfangLab's cybersecurity platform. Integrate new features, ensure scalable readable code, drive quality improvements, propose technical enhancements, and collaborate with UX, backend, agent, AI, and DevOps teams using an agile process (TypeScript, Vue 3, Sass).

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.

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 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.

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 a Software Engineer on the Engineering Efficiency team, you will develop tools to streamline processes and enhance productivity for Qonto's engineers. Your role includes measuring success and ensuring quality while maintaining end-to-end ownership of deliverables.

The role involves building high-performance proprietary trading systems, collaborating with traders and engineers to enhance trading efficiency.

Design and optimize back-end services for data processing, maintain service contracts, ensure quality engineering practices, and collaborate with product teams.

As a Software Engineer Intern, you'll enhance API performance, support R&D tools, maintain backend services, and write clean Python code.