Top Software Engineer Jobs in France

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.

Build and maintain core post-trade clearing systems and securities-finance infrastructure. Own projects end-to-end, design reliable distributed services and RESTful APIs, integrate new clearing partners, participate in on-call rotation, and improve systems to enable new product offerings.

As a Senior Software Engineer, you'll design and build scalable market data systems, improve API architecture, and enhance overall system performance, contributing to Alpaca's infrastructure for trading financial assets.

Design, build, and maintain RESTful, asynchronous microservices and APIs for internal and external customers. Optimize service performance at scale, deliver high-quality code reproducibly, and evolve the Service Delivery platform while collaborating across teams to drive features to completion.

The role involves leading software development for Network Diagram capabilities, designing technical solutions, optimizing algorithms, collaborating cross-functionally, and mentoring engineers to uphold standards.

Lead the development of software solutions for a logistics platform, overseeing technical strategy, mentoring teams, and ensuring high-quality software delivery.

Seeking a Senior Software Engineer to build AI inference systems. Responsibilities include optimizing GPU kernels, architecting inference stacks, and defining benchmarking methodologies. Requires strong programming skills and experience in ML systems.

Design and develop the Metis system, ensuring its quality in a remote team while operating and maintaining distributed systems.

Lead architecture and system design as a staff engineer, manage critical microservices, and influence engineering practices in fintech/blockchain.

The Senior Software Engineer will develop and manage backend systems for digital payments, focusing on microservices, API design, and integration with banking systems.

Lead the design, shipping, and operation of LLM applications in AI Operations, focusing on optimizing costs, building pipelines, and ensuring quality through monitoring and governance.

Design and evolve distributed backend architecture and build highly available, scalable microservices for a high-throughput real-time gaming platform. Develop APIs and data models, implement unit/integration/end-to-end testing, deploy and maintain services on AWS, and monitor, troubleshoot, and optimize performance while collaborating cross-functionally.

Design, develop, and maintain Java back-end and JS/TS frontend features; build cloud orchestration and platform services on AWS; participate in architecture, code reviews, CI/CD and DevOps practices; debug production issues and collaborate with cross-functional teams to ensure scalable, maintainable platform delivery.

Senior hands-on engineer building scalable Java backend services and cloud platform components. Design and evolve APIs (GraphQL/REST), modernize cloud infrastructure and CI/CD, improve code quality, troubleshoot production, and contribute to long-term platform architecture.

Design and develop services for automating work with a large server fleet while engaging in DevOps processes.

Design and develop services for monitoring servers, improve metrics pipelines, automate maintenance workflows, and investigate incidents to ensure infrastructure reliability.

Develop reliable cloud services on the hyperscaler platform, contributing to cloud infrastructure, databases, and monitoring systems. Must write reliable code with team-oriented skills.

As a Senior Backend Engineer, you'll develop systems for massive traffic and scaling, maintain Rust components, and collaborate on feature development and continuous improvement, taking ownership of your work.

As a Senior Software Engineer, you will develop complex services, monitor code in production, collaborate with various teams, and stay updated on new technologies to enhance software engineering processes.

Design, build, deploy and operate scalable, high-traffic services with an AI-first mindset. Own systems end-to-end, participate in on-call rotations, improve performance and reliability, contribute to architecture and APIs, collaborate with Product and Data, and uphold code quality, testing and CI/CD practices.

As a Senior Software Engineer at Bigblue, you will design scalable systems, improve engineering standards, and lead software development efforts while ensuring high-quality production code.

Lead design and development of Windows desktop applications, enforce coding best practices, oversee accessibility efforts, collaborate on UX, and manage complete feature lifecycle.

Develop and maintain Autodesk Fusion's API. Responsibilities include defining API, code reviews, mentoring, and collaborating with teams to improve service quality.