principal software engineer

L’app Hello Watt, c’est 3 millions de téléchargements, 1 million de foyers connectés. C’est l’app pour piloter l’énergie dans son logement réduire ses factures et participer à la stabilité du réseau électrique via les marchés de la flexibilité - nous recherchons un**·**e Software Engineer senior aussi bien à l’aise avec Django que...

Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs.Ne laissez pas passer cette chance, postulez rapidement si votre...

Au sein de votre équipe #OneTeam * Intégrer l'équipe Baremetal System, qui conçoit, industrialise et maintient notre pipeline automatisé de génération et de validation d'images OS (basé sur HashiCorp Packer), pour les environnements Bare Metal, Public Cloud et VMware. Vos principales responsabilités * Faire évoluer ce pipeline pour qu'il prenne en...

[SKALEET] Skaleet builds the core banking engine behind banks and neobanks: accounts, payments, cards. Our platform runs in production for 30+ regulated financial institutions in 15 countries, including Crédit Agricole, Caisse d'Epargne and Nirio (FDJ United), and manages over 10 million accounts. In 2026, Euromoney named Skaleet the best banking solution...

Poste à pourvoir à Roubaix, Brest, Rennes ou Bordeaux. Vous voulez contribuer à des projets uniques pour construire ensemble le cloud libre ? Allons-y! Chez OVHcloud, nous sommes animés par la même volonté, celle de construire l’avenir ensemble pour défendre la liberté d’innover. OVHcloud est un acteur mondial et le leader européen du Cloud...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Engineer (Ruby on Rails, APIs) based in France. Join a fully remote, globally distributed engineering team building technology that makes international employment more accessible.As a Software Engineer, you will develop...

Aerospacelab in Toulouse seeks an Embedded Software Engineer to contribute to the development of onboard software for satellites. You will work within an agile team on unit firmware and satellite applications, collaborating with hardware and EE/FPGA engineers to deliver robust software for multiple unit types.Expect a dynamic environment with opportunities...

Mozilla is seeking a Senior Software Engineer to join the Privacy Team and advance the Firefox Web Platform. You will ship privacy protections and work on anti-tracking features for a large user base.You\'ll contribute to Gecko and related browser architectures, writing performant C++, Rust, and JavaScript, while collaborating with a distributed team across...

Passionate about technology, we develop quantitative and systematic trading strategies across a wide range of asset classes and global financial markets. Technology, research, and data are the cornerstones of our business. Our strength? A collaborative culture that encourages us to challenge one another, learn together, and deliver strong performance year...

Murex is seeking a skilled C++ developer to join the Listed Instrument Repository team in Paris. You’ll design and implement features in the instrument framework, build robust APIs for internal teams, and optimize performance across memory usage and SQL queries.You’ll also investigate issues, write tests, and participate in code reviews within an Agile...

About the Role You’ll join the Performance team the engineers who own advertiser outcomes at Vibe. Bidding, pacing, and the prediction stack that drives both. You’ll report to Clément Schiano, Engineering Manager for Performance. This role exists because our roadmap is clear and the bottleneck is execution. We have a knowledge concentration problem too:...

Fortuneo recrute un Lead Software Engineering pour diriger techniquement l’équipe Souscription au sein de la Direction DIGITAL. Vous portez la vision technique, assurez la cohérence entre les sub-streams et soutenez le développement des membres de l’équipe.Vous assurerez l’excellence opérationnelle (CI/CD, tests automatisés, observabilité) et...

Job DescriptionAirbus Helicopters’ Software Products department is responsible for the development and integration of embedded software, implementing safety critical functionalities. The department is involved in the development of in house solutions and is supporting the development of products developed by other internal entities or external suppliers,...

Airbus Defence and Space SAS in Toulouse seeks an Embedded Software Engineer to join a team delivering on‑board software for satellite missions, including Earth Observation and Telecommunications. You will help create standardized DHS modules and collaborate with internal partners across Europe.This role provides exposure to the full software lifecycle in...

About the Role MVG is seeking a Center of Excellence Software Engineer to lead and support the design, development, integration, and sustainment of specialized 959 software solutions for defense-focused antenna and RCS measurement environments. This role combines hands‑on software engineering, technical leadership, customer support, and team coordination...

Fakto in Paris is hiring one of its first engineering hires to help shape the Cost Intelligence platform. You’ll work closely with the CTO and the founders on architecture, data, and product strategy, impacting real enterprise workflows.You’ll own substantial parts of the product, turn client signals into scalable features, and build agents that read...

ESSP is a pan-European service provider delivering CNS services with a focus on safety-critical software. We are seeking a Software Quality Engineer to assure software development, maintenance, and acquisition in collaboration with project managers and functional/technical leaders.This role requires at least 5 years in software quality in an international...

Airbus Defence and Space SAS is seeking an Embedded Software Engineer to design and develop on-board software for satellite missions, including Earth Observation, Telecommunications and Science projects. You will contribute to standardized Data Handled Software modules used by international partners.The role offers exposure to the full software lifecycle in...

ResponsibilitiesWe are building a new, modern mobile experience for patients and families seeking and receiving care. The Associate Software Engineer will be a foundational member of the mobile platform team, helping to design, build, and scale a secure, compliant, and high-quality healthcare mobile application.This role is ideal for an early-career engineer...

Why Mozilla?Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and...