> Markdown version of [/jobs/ext/3249789-senior-full-stack-engineer](https://www.wearedevelopers.com/jobs/ext/3249789-senior-full-stack-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Engineer - **Company:** Octopus Group - **Location:** Paris, France - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Continuous Integration, DevOps, Django Web Framework, Github, PostgreSQL, Next.js, Software Engineering, TypeScript, Datadog, Circleci, ReactJS, Backend, Playwright, Sentry, Graphql, Celery, Front End Software Development, JestJS, Automation Anywhere - **Published:** September 28, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=ec8977a91d2a2dc6 ## About the Role * 5+ years of experience with our stack (listed below) * Experience taking problems, rather than strict guidelines, and developing strong solutions * Confidence owning the development cycle (request, requirements gathering, technical proposal, technical execution, deployment and monitoring.) * Confidence tackling large-scale tasks individually * An empathetic approach to delegating work and collaborating with others * The ability to develop websites that meet strong accessibility guidelines * Experience building scalable, performant sites that handle high levels of traffic well * Eager to drive cross-functional work spanning frontend, backend, DevOps, and infrastructure. * Pragmatic AI mindset, experience with AI Workflows & Tooling: building harnesses, custom agent skills, MCP integrations, token minimisation strategies, etc. * Desirable: energy domain knowledge, * React (required) * TypeScript (required) * Next.js on Vercel (required) * Backend Python, Django (required) * Testing infrastructure (Playwright, vitest, MSW), observability (Datadog, Sentry), CI (Github, CircleCI) (required) * GraphQL w/ Tanstack Query (desirable) * PostgreSQL, Celery, and asynchronous background processing (desirable) ## Description * Serve as a bridge across our entire stack, building end-to-end capabilities while helping frontend developers get comfortable with backend/infra and vice versa * Take full ownership of features end-to-end, delivering reliable, production-ready code with plenty of autonomy * Shape the architecture of brand-new projects from scratch while giving our existing codebases the refactoring love they need * Maintain high frontend standards in AI-assisted workflows by vetting AI outputs, catching edge cases, and protecting long-term code health * Communicate technical ideas clearly and concisely, prioritising high-signal context * Keep our releases smooth with automated CI/CD workflows and set up production monitoring to track app health * Work closely with product managers and designers to find the leanest, most efficient paths to ship value ## Related Videos - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [Celery on AWS ECS - the art of background tasks & continuous deployment](https://www.wearedevelopers.com/videos/561-celery-on-aws-ecs-the-art-of-background-tasks-continuous-deployment) - [Shifting Stress to Progress— Understanding DevOps to do DevOps Better](https://www.wearedevelopers.com/videos/268-shifting-stress-to-progress-understanding-devops-to-do-devops-better) - [Walking into the era of Supply Chain Risks](https://www.wearedevelopers.com/videos/376-walking-into-the-era-of-supply-chain-risks) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) ## 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) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers)