> Markdown version of [/jobs/ext/4024300-senior-backend-architect-cloud-hpc-for-simulation](https://www.wearedevelopers.com/jobs/ext/4024300-senior-backend-architect-cloud-hpc-for-simulation). 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 Backend Architect - Cloud & HPC for Simulation - **Company:** Flexcompute-Inc. - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, C++ (Programming Language), Cloud Computing, Distributed Systems, Python (Programming Language), Backend, Data Management, Cloud Integration - **Published:** October 30, 2026 - **Apply:** https://www.jobleads.com/es/job/senior-backend-architect-cloud-hpc-for-simulation--comunidad-de-madrid--ee72e0d3cefa9324f1f19750e5fe09fe4 ## About the Role Flexcompute is seeking a Senior Backend Software Engineer to design and deploy scalable solutions for our EM simulation platform, Flow360 and Tidy3D. You will own backend services end-to-end, contribute to API unification, data management, and cloud integration, while coordinating with EM and infra teams. The role emphasizes production ownership, distributed systems, and a strong backend stack (Java/Python/C++), with AWS experience and Spanish work rights. ## Description Flexcompute is seeking a Senior Backend Software Engineer to design and deploy scalable solutions for our EM simulation platform, Flow360 and Tidy3D. You will own backend services end-to-end, contribute to API unification, data management, and cloud integration, while coordinating with EM and infra teams. The role emphasizes production ownership, distributed systems, and a strong backend stack (Java/Python/C++), with AWS experience and Spanish work rights.