Emplois de backend engineer nodejs – Paris

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:...

Spendesk is seeking a Senior Software Engineer to join the Wallet squad within our Payment Groups, driving reliable, scalable financial services for finance teams. The role is backend-heavy (about 70% backend, 30% frontend) and involves ownership from discovery through deployment across international, multi-entity use cases.You will shape squad directions,...

Certaines entreprises améliorent marginalement des systèmes existants. D’autres s’attaquent à l’architecture même sur laquelle ces systèmes reposent. C’est ce que nous construisons chez Reverse Mobility. Le marché de la mobilité est massif. Il est aussi devenu structurellement opaque, difficile à auditer, désaligné avec les intérêts de...

Parsio seeks a founding engineer to own the core backend and AI systems in Paris. You will build in Python and TypeScript, report to the Co-founder & CTO, and collaborate with the CEO daily. You will define architectural direction and ship high-impact features for cost modeling and data extraction.This is a hands-on builder role with end-to-end ownership,...

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 Mistral Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems—across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector—co-creating customized AI systems that they can run on their terms. We...

We started Parsio with one intention: help make European industry competitive for the 21st century. It’s a domain where deep technical skill still turns into real, measurable impact, and that’s the leverage we want. What we do: help procurement teams buy better and buy smarter. Manufacturers sit on huge piles of unstructured technical data (PDFs, scanned...

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...

Airapps is looking for a Backend QA Engineer in Paris to ensure the reliability and performance of its backend systems. You will collaborate closely with engineers and be responsible for testing APIs, databases, and backend services.This fully onsite position requires 2–3 years of experience in backend technologies, and familiarity with tools like Postman...

Type de contrat CDIContrat travail Durée du travail 35H/semaineTravail en journéeSalaireSalaire brut : Annuel de 60000.0 Euros à 80000.0 EurosPlan d'actionnariat salariéOrdinateur portableDéplacements Déplacements: Ponctuels Zone nationaleExpérience10 An(s) Cette expérience est indispensableCompétencesConcevoir une application webAnglais Cette...

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. Your Mission We are looking for a Senior Backend Engineer to join the...

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,...

Skynopy invites you to join a fast-growing New Space startup building a cloud-connected ground network for Earth Observation satellites. This final-year internship offers hands-on software development across the stack, from backend services to infrastructure tooling.You will contribute to Skynopy's platform development, learn space‑tech operations, and...

Geser Best Paris recherche un Développeur Java Backend Senior pour renforcer les équipes techniques dans un environnement cloud et distribué. Le profil doit être orienté backend, capable de mener des développements Java modernes et de contribuer à des architectures robustes.Le candidat idéal justifie de 6 à 12 ans d'expérience, maîtrise Java et...

MonDocteur is seeking a Senior Software Engineer to enhance the Patient Online Booking feature. Responsibilities include defining features, leading technical visions, and ensuring scalability. Ideal candidates should be backend experts in Java with knowledge of Ruby on Rails, and possess a user-first mindset. The position offers health insurance, mental...

Proton is seeking a Backend Engineer to build and scale Proton's core services, serving over 100 million users worldwide. You will translate complex technical challenges into reliable, fast APIs and collaborate with Product, Design, APIs, and your team to deliver measurable value.You should have proven back-end development experience, SQL (MySQL), Redis,...

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...

Dashlane is seeking a Backend Software Engineer in Paris to design, build and operate backend services for security-sensitive features across B2B and B2C products. The role emphasizes identity, authentication, access control, threat prevention, and secure development practices in a cloud SaaS environment.The engineer will partner with Product and Security...