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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Software Engineer (Core AI) - **Company:** Goodweek - **Location:** Strasbourg, France (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Access, JavaScript (Programming Language), Agile Methodology, Artificial Intelligence, Amazon Web Services, User Authentication, Software Quality, Databases, Continuous Integration, Python (Programming Language), PostgreSQL, Node.Js, Software Product Management, Software Architecture, Simple Data Format, TypeScript, Data Ingestion, ReactJS, Delivery Pipeline, Large Language Models, Multi-Agent Systems, Backend, Git, AI Platforms, Git Flow, Low Latency, Machine Learning Operations, NestJS, Automation Anywhere - **Published:** August 14, 2026 - **Apply:** https://fr.engineering.jobs/fr/emploi/backend-software-engineer-core-ai-7945722 ## About the Role Access, Access, GIT, JavaScript, Node.js, React.js, PostgreSQL, Python ## Description At Goodweek, we're building a next-generation AI tool designed to revolutionize business productivity. We are focusing on delivering a secure, scalable, and reliable system that supports real business use cases across different departments. The goal is to make AI practical, controlled, and truly embedded in how modern organizations operate. Our team spans across France, Spain, and the United States, and our vision is backed by 6 international investment funds. To accelerate our growth, we're looking for a talented Software Engineer to join our Engineering team and help us build an innovative product that will make a real impact on how thousands of users work every day. Tasks - ---- **About the role** As a Backend Engineer, you'll work on the core infrastructure that makes our AI platform fast, reliable, and scalable. You'll be joining the Core AI team, responsible for the foundational layer of our AI product, covering orchestration, memory, low-level security, and system harness. This is a role for someone who thrives at the intersection of backend engineering and applied AI, thinking about latency, reliability, and model behavior all at once. **What** **you'll** **do** You'll be tackling challenges across: * **AI orchestration:** owning the core layer that coordinates AI workflows, model calls, multi-step reasoning, and multi-agent delegation, including RAG pipelines and knowledge bases * **LLM integration:** integrating and tuning new LLMs into a production-grade backend, with a focus on security, guardrails, and evaluation (latency, response quality) * **Data ingestion \& export:** building robust pipelines and services to handle a variety of file formats reliably and at scale * **Context \& token optimization:** designing strategies to maximize LLM efficiency, manage context windows, and keep costs in check * **Infrastructure \& observability:** designing scalable APIs, automating deployment pipelines, monitoring, and testing to keep the platform reliable and performant * **Architecture \& engineering culture:** participating in tech stack decisions, documenting technical knowledge, and continuously driving innovation across the AI platform Requirements - ----------- **Technical background** * 5+ years of experience with Node.js + TypeScript stack * NestJS/React and PostgreSQL are a plus * Hands-on experience (or strong familiarity) with AI/ML integration (LLMs, RAG, or similar) * Solid understanding of backend architecture, scalability, and security best practices * Experience with databases, authentication, and cloud platforms (AWS) * Familiar with CI/CD, Git workflows, and agile methodologies * Bonus: familiarity with other backend programming languages applied to AI (Python, Go...) **Soft skills** * Strong technical communication * Agile mindset focused on product and business value * Ability to document and defend architectural decisions * Balance between code quality and delivery speed * **Technical English** **required** Benefits - ------- * Health insurance provided by the employer * Meal vouchers and transportation cost reimbursement (50%) * Flexible working hours * Hybrid remote work * Daily use of English through close collaboration with teams in the US and Spain ## Related Videos - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Next, Nest, Nuxt… Nust?](https://www.wearedevelopers.com/videos/421-next-nest-nuxt-nust) - [Streaming AI Responses in Real-Time with SSE in Next.js & NestJS](https://www.wearedevelopers.com/videos/1630-streaming-ai-responses-in-real-time-with-sse-in-next-js-nestjs) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix) - [Dev Digest 137 - AI'm not sure about this](https://www.wearedevelopers.com/magazine/485-dev-digest-137-ai-m-not-sure-about-this)