Emplois de senior backend software engineer python – Paris

Diabolocom is seeking a Senior Backend Software Engineer to join the Voice Squad in Paris. You will design and implement backend services for core telephony features, focusing on reliable, scalable distributed systems and close collaboration with product and engineering teams.The ideal candidate has 7+ years in software development, 3+ years with...

RockFi recherche un Backend Engineer pour rejoindre une équipe restreinte et construire la prochaine génération de gestion privée. Vous travaillerez sur des APIs évolutives et des services robustes en TypeScript et Python, en collaboration étroite avec les équipes Produit et Frontend.Vous rejoindrez un environnement startup ambitieux, avec des défis...

Holo4's team seeks an experienced backend engineer to build and operate the evaluation framework. You will ensure reliable, fast, and cost-efficient runs across web apps, desktops, and CLIs, integrating benchmarks and maintaining reproducible results.You’ll work with researchers and forward deployed engineers to scale tests, enforce standards, and optimize...

Earnix is the first AI company purpose-built for insurance decisioning, providing the industry with the intelligence, governance, and decisioning agility to drive profitable growth, improve resilience, and operate with speed and precision in a rapidly changing risk environment. A trusted provider of production-grade AI and decisioning technology, Earnix...

Business At Work is seeking a Senior Backend Engineer to join its innovative squad in Paris. The role focuses on designing and operating high-risk backend experiments within a fast-paced environment and requires 5+ years of backend experience, proficiency in Node.js and TypeScript, as well as collaboration skills.Offering highly competitive salary and great...

Vizzia is developing two video surveillance products—video-based traffic enforcement and ANPR—with edge devices, an edge-to-cloud pipeline, and a SaaS used daily by officers.Join a small, senior team in Paris as the second backend engineer on Safety. Own major backend areas across edge and cloud, raise quality, and partner with the PM and legal...

Alma recherche un ingénieur Backend expérimenté pour concevoir et déployer les APIs et les composants backend qui gèrent les paiements de milliers de commerçants et de millions de consommateurs en Europe.Le poste est en CDI, basé à Paris ou en télétravail depuis la France. Vous contribuerez à faire évoluer notre infra fintech, avec un accent sur...

gamme solutions recherche un Développeur Java Fullstack confirmé, avec une forte dominante Backend, pour maintenir et faire évoluer une application stratégique de refinancement des filiales d’un grand groupe bancaire.Vous concevrez, développerez et optimiserez des composants Java, SQL/PLSQL sur Oracle, et participerez à l’intégration avec IBM...

At Atolls, a leading, community-driven shopping platform, we are seeking a Senior Backend Software Engineer with expertise in TypeScript, NestJS, and Node.js to join the Fulfilment team in Paris or remotely from France. You will build scalable APIs, ensure security, and contribute to fraud prevention and self-service capabilities.You will collaborate with...

The Challenge: Building the “Gold Standard” for Private EquityPrivate Equity is the last frontier of finance still running on Excel and fragmented processes. At Roundtable, we are building the infrastructure that allows thousands of investors to co-invest with surgical precision.You’ll join a 10 engineer senior full-stack team organized in 2 squads,...

Chez Seyna, notre mission est simple : permettre aux professionnels de l'assurance de protéger ceux qui voient grand. Rejoins notre mission ! Seyna est un assureur qui apporte une efficacité incomparable aux courtiers. Grâce à sa technologie et à la réactivité de ses équipes, Seyna accompagne les courtiers à chaque étape de leur développement :...

Proton is hiring for a Foundation Team backend role. You will design and build shared libraries and internal services used across Proton products, focusing on PHP with opportunities to use Rust for performance-critical components.You will shape APIs, design boundaries, and collaborate across teams to ensure scalable, secure, and well-documented software. You...

The RoleWe’re building the next generation of real-time conversational AI systems.Our agents operate under real production traffic, where latency, scalability, reliability, and engineering quality are critical. We’re looking for a Senior AI Software Engineer to design and build the production systems that allow these agents to respond intelligently and...

Hi, we're Back Market.We're here to help make tech reliable, affordable, and better than new. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new.Yep, you read that right. Turns out refurbished tech is way better for the planet...

Alma in Paris is seeking a Senior Backend Engineer to design and develop the payment infrastructure powering millions of users across Europe. You will build APIs and backend components, focusing on reliability, security, and performance.With 8+ years in backend engineering, you will bring strong Python and relational DB skills, and fluency in French and...

BAO, une scale-up tech à mission en forte croissance, recherche un·e Senior Software Engineer Fullstack avec une dominante Backend pour accompagner une plateforme SaaS utilisée quotidiennement par plus d’un million de professionnels.Vous concevrez et développerez des fonctionnalités, participerez à l’architecture et à la scalabilité, et...

A leading cybersecurity firm is seeking a Senior Python Engineer with threat hunting experience to join their managed security services team. The role focuses primarily on engineering, building, and maintaining Python-based automation frameworks supporting proactive threat hunting and security investigations. The ideal candidate will have strong software...

Join the fintech revolution with Mambu, the leading SaaS cloud banking platform. We're on a mission to make banking better for a billion people. We're engineering the future of financial services with AI at its core. At Mambu, AI isn't a feature — it's how we're rebuilding banking from the ground up. If you're ready to apply cutting-edge technology to...

Freelance Senior C++ Application / Solution Architect | France | Immediate StartWe're looking for a genuinely senior C++ architect for a long-term assignment with a major French energy-sector client. You'll join an architecture team of around 12 people and take ownership of an application perimeter made up of several existing software components, with a...

Iliad vous propose un poste de Développeur Fullstack Senior au sein du département Tech & Digital à Paris. Vous contribuez au développement end-to-end des plateformes de gestion et d’automation du réseau, en jonglant entre backend (PHP/Symfony, Laravel, Python), frontend (NextJS) et bases de données, tout en garantissant sécurité et fiabilité.Vous...