Emplois de backend engineer – Paris

We're a product-first team on a mission to help grow the cybersecurity culture. We want to instill cybersecurity good practices to employees in a way that's actually effective, and entertaining enough so that employees don't feel like they're working. Think Duolingo but for cybersecurity.We created a platform to easily rollout a cybersecurity awareness...

As a Back End Developer at Earnix, you will be an integral part of our Engineering team, reporting to the Group Lead to Agentic AI. You will interact with AI Product Owners, Architects, and LLMOps to conceive technical solutions for our product, particularly by leveraging LLM capabilities. What You'll Do Design, develop, deliver, and document secure and...

Spendesk is seeking a Backend Software Engineer (IC3) to join the AI & Data Products squad. You will design, build, and operate backend services powering AI-native product features, turning ML and LLM outputs into reliable product capabilities.You will work with ML Engineers to productionize models and integrate AI into user workflows, ensuring security and...

Licorne Society a été missionné par une entreprise pour les aider à trouver leur Lead Backend. À PROPOS DE L'ENTREPRISE L'entreprise est un réseau de laboratoires français en pleine croissance, issu d’un développement externe rapide. Avec plus de 900 sites et 12 000 collaborateurs, l'entreprise est un acteur incontournable de la biologie médicale...

Join FlexAI:FlexAI is at the forefront of revolutionizing AI computing by reengineering infrastructure at the system level. Our groundbreaking architecture, combined with sophisticated software intelligence, abstraction, and an orchestration layer, allows developers to leverage a diverse array of compute, resulting in efficient, more reliable computing at a...

Meal vouchers via Swile. Streaming TV is no longer just a brand awareness channel. It’s becoming a core part of the performance marketing mix, alongside search and social. Vibe.co is building the platform that makes TV work like the rest of the acquisition stack: targeted, measurable, and optimized for results. Vibe.co is an Audience First Streaming TV...

About BlaBlaCar BlaBlaCar is the world's leading community-based travel app enabling 27 million members a year to carpool or travel by bus in 21 countries. Our team of 800 employees counts over 50 nationalities and is spread across our 5 global offices, 30% working fully remotely. We are looking for a Confirmed Backend Engineer to join the Care team at...

About Us Implicity is a digital MedTech, that brings outstanding innovations to cardiologists, thanks to Big Data and Artificial Intelligence. Thanks to our leading cardiac remote monitoring platform, it’s way easier to manage data and predict patient issues, so that cardiologists can bring the best care at the best time. To put it simply, when you join...

Join a team building a platform designed to connect users through innovative digital experiences. They develop consumer-facing software and mobile applications, emphasising user engagement, testing and iterative design. The team operates globally and is backed by leading investors that believe in their mission to reinvent the future of social...

Get AI-powered advice on this job and more exclusive features.Direct message the job poster from PreludePrelude is on a mission to transform how companies onboard and authenticate users. We help businesses verify their users with greater efficiency, less friction, and stronger security — ultimately increasing conversion rates and reducing costs.Our...

About Voodoo Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control...

Mistral is seeking passionate and talented software engineers to join our team as Backend Engineer. You will help build core systems powering our Cloud solutions, designing robust APIs and scalable services for our rapidly expanding enterprise user base.You will work with product managers, frontend engineers and data/AI teams across our global footprint,...

Wecasa recherche un développeur Rails expérimenté pour rejoindre une équipe tech dynamique à Paris et en mobilité. Vous intégrerez une architecture modulaire et contribuerez à la marketplace en collaboration avec Product Designers et Managers.Vous participerez à l’amélioration des features clients, professionnels et service client, avec une forte...

Vibe.co is rapidly expanding its Integrations team in Paris. We are building a first-class Developer Platform with a public API, supporting external partners such as CRMs and CDPs.You will own major backend projects from scoping to production, shaping architecture and tooling in a high-ownership environment. The role emphasizes AI-augmented development,...

ACV is a technology company that has revolutionized how dealers buy and sell cars online. We are transforming the automotive industry. ACV Auctions Inc. (ACV), has applied innovation and user-designed, data driven applications and solutions. We are building the most trusted and efficient digital marketplace with data solutions for sourcing, selling and...

Onyx-Conseil recherche un développeur backend expérimenté en Golang pour travailler sur un référentiel applicatif critique. Vous concevrez et maintiendrez des API REST et des microservices, en vous connectant à PostgreSQL/MySQL et en épaulant l’intégration via Kafka et Gin.Le poste nécessite des compétences en Kubernetes et l’usage de l’IA...

Une entreprise de technologie recherche un développeur backend expérimenté pour concevoir des microservices en Go. Vous optimiserez les performances et la concurrence, tout en implémentant des APIs gRPC/REST. Les candidats doivent avoir au minimum 3 ans d'expérience en Go, une maîtrise des bases de données et des environnements comme Kubernetes. Ce...

ContextTwo video surveillance products are entering development at Vizzia: video-based traffic enforcement, with a first deployment in the UK, and ANPR, automatic number plate recognition run on legal request. Both rely on the same technical chain: camera-equipped units in the field, an edge to cloud pipeline, and a SaaS that officers use every day. That...

Sunday is building the fastest, simplest way to pay in restaurants. We are seeking a Senior Backend Engineer to join the 3rd-party POS Integrations team, focusing on the platform layer that standardizes how Sunday interacts with the POS ecosystem.You’ll own backend design and occasional front-end fixes, collaborate across product and support, and help ship...

Mistral AI in Paris is seeking a Backend Engineer to join our Engineering team and build core systems powering our AI platform. You will shape the backend infrastructure and APIs that enable Studio, Vibe, and Vibe Code, affecting reliability, performance, and scalability across products.Focus areas include authentication, billing, AI tooling, and developer...