Top Software Engineer Jobs in Paris

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

As a Senior Backend Software Engineer, you'll enhance Vibe's bidding and pacing systems, lead the distribution of system knowledge within the team, and innovate within the audience streaming advertising domain, ultimately driving measurable improvements in performance metrics.

Develop and enhance a Python library for research and trading strategies, focusing on end-to-end solutions, backtesting, validation, and production scaling.

Build and scale core observability services for high-volume telemetry ingestion, distributed storage, query engines, alerting pipelines, and AI-assisted troubleshooting. Work on reliability, performance, and production incident resolution across a cloud AI platform.

Design and own firmware architecture for MCU-based launchers and controllers. Develop low-level drivers and communication protocols, implement deterministic real-time control, perform hardware bring-up and debugging, build unit/HITL tests and CI/CD pipelines, and implement secure boot and OTA update mechanisms for production-deployed systems.

The Embedded Software Engineer will lead Linux BSP development for video sensor integration, manage camera drivers, and validate hardware designs within a collaborative team environment.

Build and ship end-to-end features and agentic automations for North, Cohere's AI workspace for finance. Integrate financial data sources, enforce data isolation and RBAC, collaborate with Product/UX/ML/Sales, work with finance customers, ensure reliability/security/auditability, and iterate on platform capabilities using AI where appropriate.

Design and maintain embedded software and OS (Embedded Linux/RTOS) for UAVs, develop sensor drivers, integrate algorithms, improve telemetry and firmware, uphold coding standards, and collaborate with multidisciplinary teams to deliver field-ready autonomous systems.

The Intern will develop firmware, low-level drivers, validation tooling, and support hardware characterization for a radio software stack, with exposure to the full embedded software lifecycle.

Lead the development of native Windows desktop applications, ensure best practices are followed, enhance accessibility, collaborate with teams, and manage the full feature lifecycle.

As a Senior Software Engineer, you'll collaborate with product teams, optimize functionalities, and design efficient systems and APIs to enhance Speechify's product experience, focusing on Kotlin Multiplatform and cloud functions.

As a Senior Backend Software Engineer, you will design and optimize the core computation engine, tackle scalability challenges, and collaborate closely with frontend teams to enhance the product.

As a Forward Deployed Engineer, you'll collaboratively deliver innovative solutions, working closely with clients to tackle complex projects and drive real impact using ElevenLabs’ technologies.

The role involves designing and implementing features, debugging, maintaining documentation, and collaborating with the community in the Mir graphics stack.

Build and maintain North's Agents & Automations platform: design and ship frontend and backend features, execution engine, integrations, debugging, observability, evaluation, and feedback systems to enable reliable AI-powered workflows.

Design, build, and maintain backend microservices. Write scalable, maintainable code, collaborate cross-functionally to deliver features, improve service performance and resilience, and troubleshoot complex customer-reported issues.

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

Develop and enhance MAAS core components, improve architecture, collaborate across teams, and ensure high standards in documentation and CI practices.

As a Senior Software Engineer, you'll enhance the Affiliate Marketing platform by designing reliable services, mentoring engineers, and ensuring system efficiency using Agile methodologies.

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

Build ML prototypes and data pipelines, collaborate with researchers and product engineering to integrate models into Fusion, containerize and deploy applications, implement best practices, and document architectures to accelerate research-to-production workflows.

Join the Analysis and Contextual Experience team to build and integrate browser-extension features (autofill, anti-phishing, privacy) using TypeScript/React. Implement end-to-end projects, write tests, use GenAI-assisted tooling, and collaborate in an agile team to secure user credentials and improve in-browser experiences.

Develop and maintain RESTful microservices using Java 17 and Spring Boot. Implement SQL logic on PostgreSQL/Oracle, integrate messaging via RabbitMQ/Kafka, and use ELK for logging. Write unit and integration tests with JUnit, Mockito, and Spring Test. Collaborate on CI/CD and containerized deployments.

As a Senior Software Engineer at Razer, you will develop high-performance C++ systems for real-time game data acquisition, event tracking, and video generation, while optimizing engine performance and ensuring system reliability.

Implement and optimize EVM-compatible features, reduce gas usage, develop and test smart contracts, collaborate on Ethereum infrastructure, and provide technical support.