> Markdown version of [/jobs/ext/1371867-senior-fullstack-engineer-node-js-ai-greentech-saas](https://www.wearedevelopers.com/jobs/ext/1371867-senior-fullstack-engineer-node-js-ai-greentech-saas). 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 Fullstack Engineer (Node.js) - AI GreenTech SaaS - **Company:** Baldur Connect GmbH - **Location:** Mannheim, Germany - **Experience:** Expert - **Salary:** €95,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Agile Methodology, Artificial Intelligence, Software as a Service, Software Quality, Node.Js, Systems Integration, TypeScript, Web Services, ReactJS, Git, Serverless Computing - **Published:** July 22, 2026 - **Apply:** https://www.adzuna.de/details/5727322619 ## About the Role Proficient in React, Node.js, JavaScript, and TypeScript - Skilled in integrating web services - Familiar with Git and agile development practices - Work experience in a product company and dynamic work enivronments with short sprints ## Description Our client recently secured a €200M investment to drive their mission of sustainable innovation through their AI Green Tech platform. They're expanding their team with Senior Fullstack Engineers (Node.js) to develop a cutting-edge product, transforming how businesses operate sustainably across 70+ countries. You'll have the chance to lead on key projects, build high-impact scalable systems, mentor junior developers, and make a tangible impact in the growing green tech sector. The Role: - Work on scalable, serverless platforms to help companies track their impact and meet sustainability standards - Develop high-quality features with React, Node.js, JavaScript, and TypeScript - Design key architectures, ensure code quality, and continuously enhance methodologies in a collaborative environment ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Stop using Node.js like in 2020! What changed and what you can do today with Node.js](https://www.wearedevelopers.com/videos/100011-stop-using-node-js-like-in-2020-what-changed-and-what-you-can-do-today-with-node-js) - [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) - [WeAreDevelopers LIVE – AI, Freelancing, Keeping Up with Tech and More](https://www.wearedevelopers.com/videos/1786-wearedevelopers-live-ai-freelancing-keeping-up-with-tech-and-more) - [Building AI Applications with LangChain and Node.js](https://www.wearedevelopers.com/videos/1512-building-ai-applications-with-langchain-and-node-js) - [Stop Using Node.js Like It’s 2020! - Alfonso Graziano](https://www.wearedevelopers.com/videos/1863-stop-using-node-js-like-it-s-2020-alfonso-graziano) ## Related Articles - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies) - [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) - [Fullstack developer salary in Germany [2023]](https://www.wearedevelopers.com/magazine/197-fullstack-developer-salary-in-germany-2023) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift)