> Markdown version of [/jobs/ext/2255060-senior-js-node-js-engineer-for-mcp-platform-ai](https://www.wearedevelopers.com/jobs/ext/2255060-senior-js-node-js-engineer-for-mcp-platform-ai). 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 Js/Node.Js Engineer For Mcp Platform & Ai - **Company:** Sigma Software - **Location:** Valencia, Spain - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Node.Js, Backend - **Published:** August 26, 2026 - **Apply:** https://www.buscojobs.com.es/senior-js-node-js-engineer-for-mcp-platform-ai-en-valencia-ID-368859966 ## About the Role Sigma Software is seeking a senior backend/platform engineer to shape MCP adoption across multiple product teams. You will design core MCP capabilities, craft reusable libraries, and establish scalable architecture patterns in TS/Node.js. You will mentor engineers, drive platform governance, and contribute to developer experience in a FinTech context, collaborating across international teams. #J-*****-Ljbffr ## Description Sigma Software is seeking a senior backend/platform engineer to shape MCP adoption across multiple product teams. You will design core MCP capabilities, craft reusable libraries, and establish scalable architecture patterns in TS/Node.js.You will mentor engineers, drive platform governance, and contribute to developer experience in a FinTech context, collaborating across international teams.#J-*****-Ljbffr ## Related Videos - [MCP Mashups: How AI Agents are Reviving the Programmable Web](https://www.wearedevelopers.com/videos/1392-mcp-mashups-how-ai-agents-are-reviving-the-programmable-web) - [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) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Edit Your Future: Queerverse Radical AI](https://www.wearedevelopers.com/videos/909-edit-your-future-queerverse-radical-ai) - [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 - [Everything a Developer Needs to Know About MCP with Neo4j](https://www.wearedevelopers.com/magazine/604-everything-a-developer-needs-to-know-about-mcp-with-neo4j) - [Dev Digest 210: AI Agents Are Go! Is MCP Dead? LLMs Crack Anonymity](https://www.wearedevelopers.com/magazine/709-dev-digest-210-ai-agents-are-go-is-mcp-dead-llms-crack-anonymity) - [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) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [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)