> Markdown version of [/jobs/ext/3044291-backend-engineer](https://www.wearedevelopers.com/jobs/ext/3044291-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). --- # Backend Engineer - **Company:** Monei. - **Location:** Barcelona, Spain (Remote available) - **Salary:** €70,000.0 - €85,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Amazon Elastic Compute Cloud, Automation of Tests, Software as a Service, Cursor (Graphical User Interface Elements), Amazon DynamoDB, Payment Systems, Event-Driven Programming, Node.Js, Software Architecture, Amazon Simple Notification Service (SNS), Software Engineering, TypeScript, AWS Lambda, AWS AppSync, Backend, Graphql, Virtual Agents, Software Coding, Amazon Simple Queue Service (SQS), Serverless Computing, Microservices - **Published:** September 24, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role + Experience: 5-7+ years in a demanding software engineering role. + Technical Skills: Strong expertise in TypeScript and Node.js. + AWS Mastery: Proven experience building, testing, and deploying distributed, highly available serverless systems on AWS. + Tooling & Methodologies: Microservices, event-driven programming, and automated testing. + Coding Fundamentals: Strong coding skills without AI assistance, verified in our live coding interview. We encourage AI tools, but you must understand and critically evaluate what they produce-no blind vibe-coding. + Communication: Excellent English skills and the ability to work both independently and collaboratively in a remote setting. Bonus Points + Fluency with AI coding tools (Cursor, Claude Code, Codex). We believe in AI-leveraged development. + AWS certification. + Experience with fintech, payment platforms, or SaaS products. + Expertise in handling high-load systems and addressing scalability challenges. + Background in fast-paced startup environments. + Spanish language proficiency (B2+). ## Description MONEI is revolutionizing omnichannel payments for top brands across Southern Europe. Our award-winning serverless architecture even earned recognition as the AWS Startup Architecture of the Year (Iberia region)! With rapid global expansion underway, we're building the future of payment processing-and we want you on our team. The Role As a full-time Senior Backend Engineer, you'll join a small, cross-functional product team building the backend systems that power MONEI. You'll make high-impact architectural decisions, tackle complex challenges, and help mentor junior engineers-all in an agile, collaborative environment where your ideas truly matter. What You'll Do + Build Robust Payment Solutions: Develop backend services that ensure a seamless digital and physical payment experience. + Shape Our Architecture: Collaborate with seasoned engineers to define and implement scalable, serverless systems on AWS. + Mentor & Lead: Guide 1-2 junior developers, fostering their growth and ensuring the highest coding standards. + Ship Fast with AI: Leverage Cursor, Claude Code, and Codex to move quickly on non-trivial backend work without sacrificing quality. + Drive Innovation: Contribute to team discussions, propose improvements, and help steer the evolution of our tech stack and platform. Our Stack + Language: TypeScript + Node.js + Compute: AWS Lambda (serverless-first, not EC2) + Data: DynamoDB, OpenSearch + Messaging: SQS, SNS, Kinesis + API: GraphQL via AWS AppSync + IaC: CDK / Serverless Framework ## Related Videos - [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [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) - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [GraphQL + Apollo + Next.js: A Lovely Trio](https://www.wearedevelopers.com/videos/311-graphql-apollo-next-js-a-lovely-trio) ## Related Articles - [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) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [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) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss)