875 backend developer English-speaking jobs in Madrid

As a Senior Spring Developer, you will mentor and help more Junior Developers.

Work alongside the Developer Experience (DevEx), Security, and other Platform teams to ensure smooth

Experience in backend testing, including API, unit, and database testing, and in testing RESTful services

education diploma in Computer Science or a related field, or equivalent practical experience. 8+ years of backend

These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft

✔️ A strong support network from our teams (development, application support, devops) and a Backend

What You’ll Work With Backend: Java, Spring Boot, Node.js Frontend: React Cloud & Containers: Docker

Foundational knowledge of fraud prevention concepts and fraud‑scoring mechanisms Experience working on backend‑driven

Safeguard data integrity, backend architecture requirements, and client profile quality.

Ability to design clean, well-structured, and maintainable APIs and abstraction layers to connect backend

You will support frontend and backend engineers to instrument event tracking so those can be collected

Experience with Backend testing (API testing). Experience Jenkins or other CICD tools.

These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft

education diploma in Computer Science or a related field, or equivalent practical experience. 8+ years of backend

Senior Fullstack Developer with 7+ years of experience required. Must have expertise in React, TypeScript, Golang, Node, MariaDB, Elastic Search, Docker, Kubernetes, AWS/GCP, and Github Actions. Experience with practical AI usage in development is essential. Responsibilities include fullstack development and DevOps for customer websites and self-service portals. Must be able to work efficiently in English and contribute to a collaborative team environment.

infrastructure investments translate into measurable improvements in reliability, scalability, and developer

With over 18,500 professionals around the world, we are the leading global developer and supplier of

With over 18,500 professionals around the world, we are the leading global developer and supplier of

ensure code quality A track record of developing and maintaining build tools and toolchains to improve developer

Must experience Experience with AWS; Experience with CloudFormation; Experience with Git and multi-developer