Top Software Engineer Jobs in France

Develop, test, and deliver C++ features for a Windows-based 3D CAD system and supporting cloud services. Implement and prototype functionality, improve algorithms for performance, write unit tests, participate in code reviews, and collaborate with QA, product, and cross-functional teams to clarify requirements and ensure high-quality releases.

Design, implement, and optimize complex algorithms for automated treatment-planning software using modern C++ (C++17+). Participate in end-to-end development, architecture, prototyping, testing, documentation, and regulatory-compliant medical device software practices. Collaborate with clinicians, product, QA, and mentor engineers while improving reliability, performance, and production monitoring.

Develop and improve algorithms for automated treatment planning software for Invisalign. Participate in end-to-end development, design, prototyping, code reviews, testing, documentation, and production support. Collaborate with clinical experts and product teams, implement complex algorithms in modern C++17 with full test coverage, follow medical-device regulatory and quality guidelines, mentor other developers, and drive performance, reliability, and architectural improvements.

Lead end-to-end delivery of customer-facing features, designing and implementing 3D geometric and numerical algorithms in C++, contributing to Go backend services, leading architecture decisions, mentoring engineers, collaborating with QA/SQA, and maintaining regulatory traceability for medical software.

Lead design and execution of test plans for 3D CAD applications, APIs and AI features. Develop and maintain Python-based automated tests, manage datasets for AI, validate AI algorithms, set up CI, perform non-functional testing, analyze results, and collaborate with cross-functional teams to ensure production-ready releases.

Lead end-to-end design and delivery of customer-facing features in C++ and Go, implementing high-performance 3D geometry and numerical algorithms, owning architecture and technical decisions, mentoring engineers, coordinating cross-team dependencies, ensuring testability and regulatory traceability for medical software.

Develop and modernize clinical research software using C++ and Go; maintain legacy code, implement unit/integration tests, ensure regulatory compliance, collaborate with cross-functional teams, and use AWS, Kubernetes, Docker, and CI/CD in an Agile/Scrum environment.

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.

Lead architecture and delivery of scalable, distributed, message-driven systems. Contribute code, define data consistency and observability patterns, mentor engineers, drive modernization, and partner with Product and Infrastructure to shape roadmap and reliability.

Develop and maintain the Tetragon agent and its eBPF/BPF programs to provide runtime security, observability, and enforcement across embedded, Kubernetes, and VM environments. Improve network parsing, design advanced eBPF-based security mechanisms, contribute to OSS communities, perform code reviews, engage in architecture discussions, and produce technical documentation.

Develop a Go-based Kubernetes-native control plane to manage an eBPF datapath for traffic security. Design APIs, custom resources, and tools to enable WAF/IDS/IPS functionality, ensure scalability and failover, debug performance and security issues, participate in code reviews, and produce technical documentation.

Lead software assurance activities for airborne embedded systems: assess suppliers, run DO-178 compliance design reviews, identify and mitigate software risks, coordinate airworthiness certification with authorities, and drive quality process and standardization across development teams.

Lead the Costing Framework EU squad: provide technical leadership, manage and mentor engineers, drive product alignment and delivery, maintain operational excellence, remove blockers, and represent the team to stakeholders to ship and maintain high-quality billing systems for metered energy.

Lead the design and development of Windows desktop applications, enforce best practices, drive accessibility efforts, and manage the full lifecycle of features.

As a Senior Software Engineer, you will build scalable distributed systems, improve developer experience, mentor peers, and lead incident responses.

The Senior Software Innovation Engineer transforms business-driven ideas into software solutions, validating prototypes and ensuring alignment between business and digital teams.

The SDET will ensure quality for cybersecurity features by designing test strategies, building frameworks, and conducting various tests within a remote team setting.

Seeking an experienced Principal Backend Developer to design and implement backend solutions, focusing on data services and high-performance API development. Must have expertise in TypeScript and cloud-native development.

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

Lead the architecture and development of software platforms for T&D systems, ensuring security, performance, and integration while mentoring a team and collaborating across functions.

As a Senior Software Engineer, you will enhance the Patient Online Booking feature, lead technical vision, and ensure application performance and security while collaborating with cross-functional teams.

Lead and own platform architecture across Infrahub ecosystem, implement high-impact architectural improvements, reduce technical debt, champion AI-first engineering, provide hands-on technical leadership, mentor engineers, and collaborate with product and leadership to ensure scalable, extensible systems.

Build and own end-to-end features across Sona’s platform using AI-assisted development. Direct and correct agent-produced code, work cross-functionally, engage customers in discovery and workshops, and contribute across scheduling, payroll, HR, and mobile domains.

Own and improve core scraping and job-execution infrastructure for high-throughput distributed workloads. Design fault-tolerant, observable systems, lead reliability and scaling efforts, define SLAs, run incident response, mentor engineers, and contribute to architecture decisions to maximize throughput and platform availability.

Build and architect Alpaca's advisory services (block trading, portfolio management, IRA). Design scalable, low-latency distributed systems, write full-stack code, optimize throughput, work with messaging systems and OMS, and implement high-availability, concurrency-safe solutions for financial trading/exchange workloads.