Backend Developer Jobs in Nouvelle-Aquitaine, France

Extensions team builds AI-driven backend services that power enterprise applications. The Backend Engineer designs, develops, and maintains high‑performance distributed workflows, collaborates with data scientists to translate prediction use cases into scalable services, and ensures reliability and observability in production.

Security & IT – IT team builds a high‑scale, real‑time digital platform serving millions of active users daily. The Backend Engineer designs and builds robust microservices, ensures scalability, reliability and maintainability, and supports 24/7 system stability.

Backend Engineering team at the partner company builds high‑performance digital products. The Senior Backend Developer designs, develops and optimizes scalable PHP and Golang microservices, ensures reliability of high‑load applications and collaborates on architecture improvements.

Backend Engineering team builds and maintains a high‑traffic SaaS platform for major European enterprises. The Senior Backend Engineer designs, develops and scales Python/Django services, creates robust REST APIs, and drives architectural decisions while contributing to AI‑powered semantic analysis projects.

Backend Engineering at Nagarro builds scalable, high‑performance services that power digital products for global clients. The Senior Backend Engineer designs and implements Python‑based APIs with FastAPI, creates containerized microservices on Docker/Kubernetes, and ensures reliability through testing, monitoring, and security best practices.

Submission Processing team builds AI-powered workflows that transform complex industry decisions. As a Staff Backend Engineer you will design, develop and scale backend systems and LLM-based services for processing billions of unstructured data points, leading architecture and technical direction.

voize UK Market squad builds integrations that connect voize with senior care and hospital software platforms. As a Freelance Senior Backend Engineer you will develop scalable APIs, design data models and own end‑to‑end integration projects.

Lead Backend Engineer on a high‑performing engineering team delivering advanced software solutions for global enterprise clients. Designs, builds and scales modern backend systems, leads technical delivery, mentors engineers and integrates AI/ML capabilities into production services.

Financial Crime Compliance (FCC) domain at Qonto builds AI-powered compliance tooling to accelerate financial crime decisions. The Senior Backend Engineer designs and ships production-grade services that integrate AI models like Claude and OpenAI into compliance workflows, handling prompting, output parsing, and model behavior in a regulated context.

Core APIs team builds high‑performance backend systems that power large‑scale, real‑time fraud detection applications. The Senior Backend Engineer designs, develops and optimizes scalable APIs and distributed services, leads root‑cause analysis, and mentors junior engineers while collaborating across a globally distributed team.

AI Orchestration Team builds the infrastructure that powers reliable AI-driven workflow orchestration. The Senior Backend Engineer develops core execution engines, integrates large language model providers, and ensures observability, scalability, and fault tolerance of AI workflows.

Backend Engineering team builds large-scale digital experiences powering revenue, user acquisition, and platform scalability. As a Middle Node.js Backend Developer you will design, develop, and maintain Node.js/TypeScript services, integrate payments, subscriptions, analytics and marketing APIs, and improve system performance and reliability.

Financial Core Team builds the backbone financial infrastructure for a travel‑tech SaaS platform. The Staff Backend Engineer leads the evolution of the Financial Core system, designing ledger models, revenue recognition and multi‑currency flows while implementing robust Python services on AWS. Remote work from anywhere in France, collaborating with engineering and finance stakeholders to ensure deterministic, auditable financial outcomes.

HealthTech Core FHIR Initiative – rebuilding a core FHIR server to enable scalable healthcare data exchange. Senior Backend Developer designs and implements a dynamic query engine and high‑abstraction backend components in Kotlin and Spring Boot, collaborates on architecture decisions, and ensures robust, test‑driven services using PostgreSQL and OAuth.

Enterprise Platform team builds high‑scale backend services that enable secure, reliable, and compliant experiences for global enterprise customers. The Senior Backend Engineer designs and evolves distributed systems, owns production lifecycle including observability and incident response, and translates complex security and regulatory requirements into robust solutions.

New Business Backend Engineering team builds high-impact backend systems powering internal operations and client-facing products. The Senior Backend Engineer designs, develops, and maintains robust Ruby on Rails services, integrates distributed technologies like Kafka, GraphQL, Docker, and Kubernetes, and collaborates with product managers and infrastructure engineers to ship features.

AI Voice Generation Team builds the core backend systems for next‑generation AI‑powered voice creation. The Staff Backend Engineer designs and operates distributed services that orchestrate multiple text‑to‑speech providers and in‑house AI models, ensuring reliable, low‑latency voice outputs at scale.

Docker seeks a Senior Backend Engineer to join their Supply Chain Security team. This role focuses on developing and securing container ecosystem solutions, emphasizing automation, scalability, and policy enforcement.

Devices Cloud team at Life360 builds the backend services that power connected hardware like Tile trackers and Jiobit wearables. As a senior engineer you design, build, and operate AI‑native cloud services that ingest high‑frequency telemetry, manage device state, and deliver reliable, scalable microservices on AWS. The role is fully remote for the US and Canada, with a focus on AI‑first development workflows and cross‑team collaboration across firmware, mobile, and product.

Blaze Talent’s Backend Engineering team builds high‑throughput infrastructure for a social casino platform that handles real‑money transactions. The role focuses on designing and scaling APIs, writing raw SQL, and integrating third‑party gaming vendors while collaborating closely with frontend and DevOps.