> Markdown version of [/jobs/ext/4697618-senior-backend-engineer](https://www.wearedevelopers.com/jobs/ext/4697618-senior-backend-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 Backend Engineer - **Company:** Plexus Resource Solutions - **Location:** Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Cloud Computing, Databases, Digital Assets, Distributed Systems, Node.Js, Blockchain, TypeScript, Backend, Web3.js, Web Api, Microservices - **Published:** November 13, 2026 - **Apply:** https://www.jobleads.com/es/job/senior-backend-engineer--spain--e889f96a260f7a9efc65d0ad97322f6de ## About the Role * Strong commercial experience with TypeScript and Node.js. * Backend engineering experience within crypto, blockchain or Web3. * Experience building API's, microservices and distributed systems. * Flexible working environment (fully remote). * Bonus * Token offering ## Description Plexus has a great opportunity with a growing and exciting client within the CeFi space. They are a company that focuses themselves at the intersection of stablecoins, digital assets and global payments. They are looking for a Senior Backend Engineer to join the team and help develop and scale the core technology behind the platform. Responsibilities: * Design, build and maintain scalable backend systems and services. * Build reliable systems capable of handling high volume financial transactions. * Work with databases, cloud infrastructure and distributed systems. Requirements: * Strong commercial experience with TypeScript and Node.js. * Backend engineering experience within crypto, blockchain or Web3. * Experience building API's, microservices and distributed systems. * Flexible working environment (fully remote). * Bonus * Token offering