backend engineer

Dataiku, the platform for AI success, is seeking a Fullstack Engineer to contribute to Dataiku DSS core features across data preparation, AI & machine learning, data consumption, and visualization. You will work on backend services and frontend interfaces, applying Java, Python, Angular, React, and Kubernetes in a fast-paced, remote-friendly Germany...

Deepki recherche un Software Engineer Senior pour renforcer l'équipe Utility Data Collection à Paris. Vous contribuerez à la collecte fiable des données et à l’orchestration du pipeline, tout en participant à l’architecture backend et à l’amélioration continue.Vous travaillerez sur des frameworks cloud-native, du scraping et du parsing, avec...

URBAN LINKER recherche un Data Infra Engineer (F/H) pour prendre en main les enjeux d'infrastructure et de pipelines de données à très grande échelle. Vous optimiserez les coûts et les performances en internalisant les flux et en pilotant des architectures hautes performances autour de Clickhouse, Kafka et PostgreSQL, avec du Python (FastAPI) côté...

Company Description We’re the company. You might not know our name, but companies like eBay, Spotify, Klarna, Uber, and Sony do, because we’re behind many of the digital experiences you use every day. We are where the world checks out, enabling over 10 billion transactions yearly for more than one billion global shoppers. Whether you want to book a...

Revolty is the solar battery that has already lived a first life. Revolty gives lithium batteries a second life. They store the solar energy of the 1 million homes already equipped with solar panels. Smaller bills, smaller footprint. Our dream? Make the circular battery the energy heart of every home. Revolty since the beginning : Founded in July 2024,...

BoostHire LLC is seeking an experienced architect/developer to design and implement core game features in Unity (C#) and backend systems in Node.js. You will build robust APIs and scalable infrastructure for multiplayer features, leaderboards, and user accounts, while mentoring a cross-functional team of Unity and backend engineers.Collaborate with game...

Portage Ventures GP Inc. is looking for a Backend Engineer to design and maintain internal services and APIs that empower product crews across France, Belgium, and Spain. With a focus on solving complex problems, you will work in a collaborative environment using Python, Flask, and PostgreSQL. If you're excited about healthcare technology and enjoy building...

Datadog in Paris is seeking a Distributed Systems Engineer to design, implement, and run in production the foundational platforms powering our applications. You will ingest, store, analyze, and query billions of events per second from customers worldwide in real-time, aiming for durability, high availability, and low latency at internet scale.The role...

About UsHarmattan 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...

IDnow is a leader in digital identity and fraud prevention in Europe with a mission to transform trust into the most powerful asset in the digital world, empowering enterprises with AI-driven, SaaS-based identity solutions that deliver scalable security, adaptive compliance, and real-time fraud prevention. Through its broad portfolio of digital identity and...

Triwill Group, on behalf of a partner company, is seeking a Senior Full-Stack Engineer - AI Cost Visibility based in France. You will own end-to-end development across backend services, APIs, data processing, and frontend experiences to turn AI spending data into clear, actionable insights.You will collaborate closely with product and engineering...

About Dust Work is being rewritten, and the people holding the pen are the ones who actually run it. With enterprise-grade governance, flexible model choice, and a collaborative interface for humans and agents to work together, Dust empowers AI Operators at the world’s fastest-moving companies to rewire how work gets done. With 70%+ weekly active users,...

Comand AI's mission is to build next-generation C2 software with real users in real deployments in the field. We are fully indexed on the success of every single user, which means the product you ship supports live defence operations, not a benchmark. You'd join the engineering team to own features end to end, with a strong lean toward the interfaces and...

A leading data science platform provider in France is seeking a Fullstack Engineer to join their Paris office or work remotely. You will contribute to the development of core features for Dataiku DSS, focusing on AI governance and data integration tools. Candidates should possess significant software engineering experience, with an emphasis on backend...

Pluxee is seeking a GenAI Engineer to own an internal AI platform, build and deploy production-grade AI agents, and collaborate with IT teams across the group. The role blends hands-on platform ownership with GenAI advisory duties for multiple business units.The candidate should bring 5+ years in backend/full-stack development and 2+ years in GenAI/LLM...

About Qevlar AI Qevlar is a B2B SaaS scale-up on a mission to boost the productivity of cybersecurity teams with Artificial Intelligence. We build an AI platform that transitions Security Operations Centers from reactive to proactive units through autonomous security alert investigations. In just three years, we have: Raised a total of $44m in series-A &...

Mistral.ai is seeking a Backend Engineer to design and build the core backend systems powering our AI platform. You will shape authentication, billing, AI tooling, and developer experience, ensuring reliability and scalability for millions of users and developers.You will collaborate across teams to deploy features, optimize performance, and write clean,...

About Nabla We are a team of entrepreneurs, clinicians and engineers committed to bringing back joy to the practice of medicine. Together with a community of clinician innovators, we’ve harnessed the best of machine learning science to develop Nabla: the leading AI assistant that’s restoring the human connection at the heart of healthcare. By...

About BlaBlaCar BlaBlaCar is the world’s leading community‑based travel app enabling 26 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 By joining our Foundations department, you will be working...

Founded in 2020 and based in the heart of Paris, C12’s mission is to be at the center of one of the biggest technological breakthroughs of the century and change the course of history by building a universal quantum computer.At C12, we believe that achieving a true breakthrough in quantum computing requires rethinking the fundamentals. That’s why our...