Emplois de software development engineer – Paris

Lemonway is a licensed payment institution at the heart of Europe’s new digital economy. We secure payments for crowdfunding platforms, the collaborative economy, marketplaces and online retailers, with a strong commitment to fighting fraud and protecting funds. Regulated by the ACPR and benefiting from the European passport in 29 countries, Lemonway is...

Key Highlights Job Title: Full-Stack Software Engineer Location: Paris, hybrid working Reporting to: Engineering Lead Salary: Up to €70k DOE About Us SaleCycle is redefining how brands convert, engage, and retain customers through AI-driven experiences across the entire customer journey. SaleCycle combines real-time onsite personalisation and intent...

About the role: You will be a core contributor on a small, high-ownership engineering team. That means working across the full stack, taking features from design to production, and being someone the team genuinely relies on, technically and otherwise. Day to day, this includes: Building new features on both the customer-facing platform and the internal...

We are building the best platform in the world for engineers to understand, scale, and protect their systems, applications, and teams. We operate at high scale—trillions of data points per day—providing always-on alerting, metrics visualization, logs, application tracing, and security insights for tens of thousands of companies. Our engineering culture...

About Us Harmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission-critical systems to allied forces. Our work is guided by clear values: building technologies with real-world...

You build the systems thatactually makeAI work in enterprise environments, not demos, not prototypes that stall after a pilot, but production agentic architectures running inside real client organizations. The difference between an AI Engineer and what we are looking for is straightforward: you have shipped a multi-agent system in production, you have owned...

About H: When we released Holo4 on 28 September, we published every trajectory behind its public benchmark scores at trajectories.hcompany.ai. For OSWorld that's 369 desktop tasks, each run 3 times, with the steps, tokens and time of every attempt. This role builds and runs the evaluation framework that produces runs like these. H builds computer-use agents...

Ingénieur Full-Stack – Rejoignez une start-up qui révolutionne le secteur l’IA ! Vous souhaitez intégrer une Start-Up innovante qui allie intelligence artificielle, impact direct sur le terrain et montée en puissance technologique ? Vous rejoignez une Start-Up qui déploie déjà son produit en production à grande échelle. L’objectif n’est pas...

Robeautéis redefining the future of brain therapies with the first microrobotic platform of its kind, designed to navigate the human brain with unprecedented precision. The new generation of microrobots can diagnose, treat and monitor the brain from within, overcoming long-standing limitations in treating neurological conditions that affect more than one in...

L’histoire du groupe Theodo et son succèsTheodo accompagne depuis 2009 les entreprises innovantes dans la conception, le développement et le déploiement de produits digitaux ingénieux - tels que la plateforme TF1+, l'application LCL Pro ou l'application France Identité Numérique - en tirant parti du meilleur de la technologie et de l’approche...

Harmattan AI is seeking a Software Engineer (4+ years) to own gimbal control and GNC software on custom hardware with embedded Linux/microcontrollers in Paris. You will collaborate with Software, GNC, Mechanical, Hardware, and Test Bench teams to drive developments from concept to field-ready implementations.You will work across desk, lab, and periodic field...

Senior Software Engineer - E-commerce (PHP)Paris, Paris, FranceAt Alma, we believe sustainable commerce depends on fair, well‑balanced trade. Because finance plays a pivotal role in business, our mission is to put it back in its rightful place - serving merchants and consumers.Our installment and deferred payment solutions help merchants boost sales by 20%...

Swan is looking for a Software Engineer to join our Banking Experience team. The Engineering team is by far the largest at Swan (70+ people). This team includes Software developers, who build payments and end-customer applications, as well as Infrastructure, DevOps, QA, and Security. We build with intent, focusing on solving real problems that matter. In a...

Voodoo is seeking a Lead Software Engineer for the Playable Ads team within the Central Growth Team in Paris. You will lead a small, autonomous group, while staying hands-on to craft innovative playable ad formats across multiple game franchises.You will mentor peers, drive performance metrics, and collaborate with Growth and creative strategists to align on...

Meet Arago and the Aragonians Arago is an AI and computer hardware company whose mission is to drive the course of history forward. We do so by accelerating breakthroughs at the intersection of AI and semiconductors. Founded in 2024 by AI researchers and physicists with deep expertise in photonics, electronics, software, mathematics, and machine learning,...

Embedded Software Engineer, Airships to CloudAn embedded software engineer for an airship company typically writes and tests firmware that runs on flight hardware, handles sensors and communications, and connects onboard systems to cloud services. A strong candidate brings solid C or C++ skills, comfort with microcontrollers and real time constraints, and...

Vous êtes le premier ingénieur software, référent de toute la partie logicielle. C’est une page blanche : vous prenez toutes les décisions software, de l’architecture à la stack, en passant par les méthodes de travail. Vos missions : Concevoir et développer une plateforme fiable et scalable : architecture, backend, API, bases de données et...

Safran.AI - De l'IA qui opère dans le réelFiliale de Safran Electronics &Defense, Safran.AI conçoit des solutions d'IA appliquées à des données complexes telles que les images satellite haute résolution, les flux vidéo FMV et les signaux acoustiques. Ces solutions s'appuient sur des algorithmes capables de détecter et d'identifier automatiquement...

Wiremind, SAS. is seeking a Software Engineer to contribute to of our Revenue Management and SaaS platform. You will develop new features for end-users, work on maintenance and infrastructure, and tackle technical debt with guidance from a senior developer.You will exchange daily with the product team to align on customer requirements and deliver...

Senior Software Engineer - System Programming (Zig/C++)LocationParis or EU (Remote)About LightpandaWe're an ambitious team with a strong open-source foundation, led by experienced founders with a successful startup exit history, and we're now funded .You'd be joining our team at an early stage, with equity incentives that reflect that.About this roleWhat you...