879 backend developer English-speaking jobs in Madrid

security, CVE monitoring, and compliance with internal and regulatory standards Collaborate closely with backend

Our backend is mostly written in TypeScript and Python, and all our machine-learning applications are

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

👥 Who we're looking for Software engineers of all experience levels, ideally with backend

Who we’re looking for We are looking for software engineers of all experience levels, ideally with backend

Who we’re looking for We are looking for software engineers of all experience levels, ideally with backend

Experience with API testing and backend testing. Experience with Jenkins or other CI/CD tools.

Responsibilities Developing backend Generative AI solutions and POCs, utilizing RAG pipelines, agent-based

Develop and maintain full stack cloud-based web applications using .NET (C#) and React JS. Write clean, maintainable, and testable code with a strong focus on unit and integration test coverage in a microservice architecture environment. Design and consume RESTful APIs and work with both relational and non-relational databases. Collaborate with product managers, designers, and fellow developers. Participate in code reviews, technical discussions, and architectural planning. Contribute to CI/CD pipelines and deployment automation. Support containerized application development using Docker and Kubernetes.

The ideal candidate will be an experienced business developer & local team leader with proven ability

TypeScript Engineering on the frontend (React preferred)* Experience in software development as a Node.js backend

What we’re looking for Technical Requirements 3+ years building scalable backend systems Experience

Frontend Developer Trainee will build modern UI using Lit and Web Components, migrating features from a legacy system. Responsibilities include component development, legacy migration, code quality assurance, automated testing, documentation, bug fixing, and collaboration. Recent graduates or those with web development training are encouraged to apply. Solid JavaScript, HTML5, and CSS3 skills are required.

Collaborate with sales, product marketing, field sales, and developer advocacy teams to design and deliver

To support our scale, we are transforming our Engineering Platform intoa state-of-the-artInternal Developer

Experience with Backend testing (API testing). Experience Jenkins Or Other CICD Tools.

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

Collaborate closely with Data, Platform, and Backend Engineers to build services and infrastructure,

Jenkins, Docker, Kubernettes, Linux OS) Experience with microservice architecture Experience with Backend

Experience with Backend testing (API testing). Experience Jenkins or other CI/CD tools.