Software Developer Jobs in Hauts-de-France, France

Direction de l'Innovation at ALTEN Labs, the hub for multi‑sector research projects. As a Software Engineer Intern you will develop front‑end and back‑end demonstrators in Python, Java, React, and automate space‑related processes, working closely with an Innovation Pilot.

Aneo, a tech‑first consulting firm, builds a collaborative GenAI bot framework for a banking client. The Software Engineer designs and develops .NET/C# and Python components, implements RAG, agents, and LLM routers, and creates user interfaces for IT and business users.

Software Engineer Intern on DocuSign’s AI‑Driven Tooling team, building AI‑powered features for agreement management tools. The role involves researching AI techniques, developing and testing AI features, creating datasets and evaluation metrics, and collaborating with product, design, and UX research to translate requirements into design.

Amex GBT is a place where colleagues find inspiration in travel as a force for good and – through their work – can make an impact on our industry. We’re here to help our colleagues achieve success and offer an inclusive and collaborative culture where your voice is valued.

Pluxee, a global employee benefits and engagement platform operating in 31 countries, seeks a Software Developer to design, develop, and maintain scalable applications. The role involves writing clean code, collaborating across teams, testing, debugging, staying current with industry trends, and providing technical support.

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.

Find Your Practitioner team at Doctolib builds search and discovery features that help millions of patients locate and book healthcare providers. The role designs and implements search relevance, ranking, and personalization at scale, collaborating with product managers and engineers.

YouTube Knowledge team at Google in Paris builds the infrastructure and algorithms that organize YouTube's massive content corpus, powering Search, Home, Recommendations and new GenAI features. The Software Engineer III writes production code, leads design reviews, and tackles challenges in large‑scale data mining, machine learning and infrastructure, collaborating with cross‑functional peers to improve data quality and product impact.

AI Platform Squad at DiliTrust builds Lini, the proprietary AI engine powering contract analysis, document summarization and other AI capabilities across the suite. The Software Engineer designs, builds and scales Lini‑powered features, collaborates with ML, product and engineering teams, and owns end‑to‑end delivery from API design to frontend integration.

DeepMind's GenAI Silicon Automation team builds cutting‑edge AI agents and the infrastructure to test and evaluate them. As a Software Engineer you will develop systems for agent testing in 2D/3D games, create physics‑based test problems, build visualizations and leaderboards, and apply formal methods and MLIR‑based compiler techniques.

Octopus Tech France builds the next generation of green energy products for French customers. The role designs and implements robust backend services in Python/Django, including onboarding flows and client dashboards, while collaborating with data and core teams across Europe.

Data Lab at Coface builds data-driven solutions to improve processes, products and services. As a Software Engineer Python / DevOps you will develop and deploy applications on Docker/Kubernetes and cloud infrastructure, implement production monitoring, and conduct code reviews to ensure quality.

Platform and Empowerment Team for Internal AI at Gorgias builds the AI infrastructure and Cortex platform that powers company-wide AI productivity. The role designs and ships user‑facing surfaces, owns internal APIs, Kubernetes‑based services, and governance tooling, ensuring a seamless experience for engineers and AI agents.

Setup & Rollout team at Dashlane builds core backend solutions for partner onboarding and administrative workflows. The Software Engineer, Backend designs and implements server‑side features, integrates AI‑assisted tools like Claude Code, and collaborates with product, project, and quality engineering teams.

Sanofi Accelerator R&D team drives digital transformation of drug development by building robust software platforms for research and clinical pipelines. The Software Engineer designs and implements cloud‑native solutions, leads technical decisions, mentors junior engineers, and sets engineering standards to accelerate research workflows.

R&D Hardware Tooling team at Harmattan AI builds internal lab tools that accelerate hardware design, validation and deployment for autonomous defense systems. The role designs modular Python automation frameworks, integrates bench instruments via SCPI/VISA, develops embedded firmware for test fixtures, and creates HIL rigs integrated into CI pipelines, driving faster development cycles.

Tooling team at Harmattan AI builds internal software infrastructure to accelerate development, testing, and validation of autonomous defense systems. The Software Engineer designs and delivers high‑performance visualization tools, telemetry dashboards, and 3D scene viewers that enable GNC, ML, Embedded, and Validation teams to explore massive datasets.

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.

Technology – Engineering team at Infinit builds AI‑powered fintech solutions for SMEs. The Full Stack Software Engineer bridges business needs and technical execution, designing, building, and shipping scalable full‑stack features using C#, Python, and Typescript while owning the end‑to‑end development lifecycle.

Base360.ai Platform – building the operating system for modern renting. The engineer designs and scales core services, APIs, and event‑driven automations that power bookings, pricing, payments and AI‑driven decision making.