Software Developer Jobs in Pays de la Loire, France

Testabilité et Moyens de Test department at Thales AVS/FLX develops test equipment for avionics. As a Software Engineer, Test Benches you will design and implement software for test benches, integrate hardware/software, and manage cost and schedule of projects.

Software Engineer - Trimble Geodetic Library (TGL) position in Carquefou, France focuses on developing and integrating advanced geodetic models for global positioning accuracy. The role involves implementing, testing, and maintaining models for over 140 target countries within the Trimble Geodetic Library, and designing seamless integration into web, desktop, and mobile applications across Trimble’s Advanced Positioning and Geospatial divisions.

Speechify’s Platform team builds and maintains backend services powering text‑to‑speech, payments, analytics, and subscription APIs. As a Software Engineer, you’ll design, develop, and optimize robust APIs, oversee the backend landscape, and collaborate on B2B solutions for enterprise clients.

Speechify’s AI Data team builds petabyte‑scale audio datasets to train next‑generation text‑to‑speech models. The Software Engineer scours new audio sources, ingests them into a GCP pipeline managed with Terraform, and collaborates with scientists to optimize cost, throughput, and quality.

Speechify’s iOS Core Product team builds the #18 productivity app that turns PDFs, books, and web content into audio for millions of users worldwide. The role focuses on shipping production code, enhancing a complex architecture, and shaping product decisions in a fast‑paced, distributed environment.

Ippon Technologies, a French consulting firm, seeks a Software Engineer to join its Nantes agency. The role blends agile development across front‑end and back‑end stacks—Java/Spring, Node.js, Python, Angular, Vue, React—while contributing to CI/CD pipelines, TDD/BDD practices, and architectural decisions.

Object Storage team at Scaleway builds and operates a high‑performance, S3‑compatible storage platform serving millions of customers. The engineer leads major architecture projects, designs new service classes, and implements features to ensure reliability and support regional expansion, while collaborating with the Beekeeper backend team and SRE Storage.

Titan Live team at Ateme develops real‑time audio/video transcoding and packaging applications, often as micro‑services on private or public clouds. The Software Engineer designs architecture, writes backend code in Python and C++, creates automated unit and functional tests, ensures performance and robustness, and delivers and maintains the product.

Software Engineer on Scaleway’s Non-Relational Database team, building and scaling Redis and MongoDB products for sovereign cloud regions. Day‑to‑day work includes Kubernetes cluster management, Helm/ArgoCD deployments, GoLang coding, Terraform IaC, and performance tuning.

Compute Marketplace team at Scaleway builds a robust ecosystem of OS images and packaged applications for users and publishers. The Software Engineer designs and develops new marketplace features, maintains APIs, automates OS image creation with Packer, manages artifacts, ensures security via CI/CD and scanning, and collaborates with Product Management and Core Engineering across Paris, Lille, Toulouse, Rennes, Rouen, Bordeaux, and Lyon in a hybrid model.

Software Engineer Network Product Edge at Scaleway, part of the Network Product Edge team building and evolving Load Balancer and Edge Services platforms for a sovereign cloud. Day‑to‑day work includes designing robust APIs, developing new features, managing CI/CD pipelines, refactoring, and collaborating with cross‑functional teams across Paris, Lille, Toulouse, Rennes, Rouen, Bordeaux, and Lyon.

Software Engineer – Compute at Scaleway, a leading European cloud provider focused on secure, sustainable infrastructure and AI. Join a 6‑person Serverless Compute team to build backend services in Go, orchestrate workflows with Temporal, manage Kubernetes infra via Terraform, Packer, FluxCD, and GitLab CI. Drive scalability, resilience, and automation while mentoring juniors in a collaborative, multilingual environment.

Silicon Labs, a leader in low‑power wireless connectivity, seeks a junior Software Engineer for its Rennes, France site. The role focuses on embedded software for chip solutions within the Zephyr ecosystem, collaborating with chip designers and customer support.

Scaleway seeks a Software/Firmware Engineer for its Operations & Hardware team. The role focuses on integrating, customizing, and testing open‑source firmware (OpenBMC, Coreboot, UEFI) across the company’s server fleet to ensure sovereign, secure, high‑performance infrastructure.

Software Engineer – Hardware Development at Scaleway. Join a team of 6 in Paris, Lille, Toulouse, Rennes, Rouen, Bordeaux, Lyon.

Business Performance team at Doctolib builds high-quality healthcare platform features that improve daily lives of professionals and patients. The Senior Software Engineer designs and implements fullstack solutions using React, Java/Kotlin/Spring Boot and Ruby on Rails, contributes to architecture decisions, and promotes AI‑assisted development practices.

Speechify’s Windows Desktop team builds the flagship native app that turns PDFs, books, and web pages into audio for millions of users. The Senior Software Engineer leads architecture, design, and delivery of high‑performance, accessible Windows applications using WinUI, C#, XAML, and optional C++.

Core Experiences Team at Speechify builds foundational services and SDKs powering the product across platforms. As a Senior Software Engineer, you design clear, reliable APIs and efficient abstractions to improve loading speed and parsing intelligence.

Senior Software Engineer (Frontend) at Doctolib, leading Design System & Mobile team. Build scalable Web & mobile Design System with React & React Native, unify UX across platforms, mentor team, champion accessibility, leverage AI for DevX, support product teams, improve docs, CI workflows.

Datadog is a leading SaaS platform that empowers engineers to monitor, troubleshoot, and secure their systems at scale. As a Senior Software Engineer, you will tackle high‑volume challenges, design scalable solutions, and collaborate across teams to deliver reliable features.