Lead Backend Engineer: Real-Time, Scalable APIs

eXalt IT, spécialisée sur les métiers du Software Engineering, recherche un Développeur C++ backend pour rejoindre notre communauté de développeurs et mener des projets techniques exigeants.Vous travaillez dans un cadre agile, avec des pratiques de qualité et DevOps, et vous intervenez sur des environnements temps réel et volumétrie de données pour...

A deeptech startup in Paris is seeking a Senior Software Engineer to drive backend development and infrastructure projects. You will design and implement data pipelines and APIs, optimize PostgreSQL databases, and maintain AWS cloud services. The ideal candidate has a strong background in Python and a proven track record in building production systems. Join...

LITY recherche un ingénieur Backend Go pour rejoindre une startup EdTech à Paris, travaillant à l'interface éducation/IA et IoT. Vous prendrez en charge l'architecture backend en production, visant fiabilité et montée en charge.Vous travaillerez avec le Lead Backend et les équipes produit IA et hardware, concevrez et déployerez des services en Go, en...

Mistral is seeking a Backend Engineer in Paris to build core systems powering our AI platform. You will focus on scalable backend features, APIs, authentication, billing, and developer tooling for millions of users and developers.Join a collaborative team dedicated to robust, high-performance systems, secure architectures, and end-to-end feature delivery....

Exponential AI is seeking a Software Engineer to join the Conversational AI team in Paris. You will work on real-time multimodal voice assistants, backend infrastructure, and data models that power intelligent behavior across devices and platforms.The role combines embedded and frontend exposure with cloud services (AWS) and containerized environments...

At cozycozy, we’re building the world's best accommodation metasearch platform, making travel simple, transparent, and inspiring. We already process millions of searches every month and we’re growing fast. Your Mission As Lead Backend Engineer, you will be the technical lead of the backend team and a key contributor to the evolution of cozycozy’s...

Snap Inc. is seeking a Software Engineer to join the Brain-Computer Interface team in our Paris office. You will work on integrating sensor data acquisition and ML inference for wearable hardware, collaborating with hardware, software and ML teams worldwide.The role focuses on real-time performance, code quality and scalable architectures for Specs and...

Proton is hiring a Backend Engineer to build and maintain core services for 100+ million users. You will design scalable APIs, optimize performance, and collaborate with Product, Design, and APIs teams to deliver robust, secure software. Emphasis on cryptography, RESTful interfaces, and open-source practices.The role involves working with...

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...