141 backend developer English-speaking jobs in Community of Madrid

Our core technologies Frontend : React, TypeScript Backend : Nest.js (Node.js, TypeScript) Testing :

Experience gained within a bank, infrastructure/renewables investor, developer, IPP, advisory firm or

You've built technical products, ideally developer tools. Adjacent technical products count. ... across Product Engineering, Sales and Marketing, and represent Checkly directly to customers and in developer

You've built technical products, ideally developer tools. Adjacent technical products count. ... across Product Engineering, Sales and Marketing, and represent Checkly directly to customers and in developer

Collaborate closely with backend developers, architects, and business stakeholders to deliver end-to-end

in fast‑moving or ambiguous environments Write and review production‑grade code across frontend and backend

Qualifications Strong foundation in Computer Science with hands-on experience in Software Development for backend

Docker, microservices, serverless, CI/CD, and IaC (Terraform or Helm) Strong Python; Java or equivalent backend

Develop backend components using Java and Spring Boot.

stable environment in which to grow, with a proven track record and experience in: Solid experience in backend

Mandatory Requirements 5+ years of experience in Data Engineering or SQL-heavy backend development roles

developing AI‑powered capabilities based on LLMs, RAG and Synthetic AI Personas while building scalable backend

WHAT YOU WILL DO Architect and develop robust, scalable AI-powered features across frontend and backend

Experience guideline: around 6 years as a Senior Software Developer, including solution design, production

Experience guideline: around 6 years as a Senior Software Developer, including solution design, production

The candidate will work as an ocean software developer, and his/her activity will primarily focus on

The team, mainly located in Madrid Technical Hub, London and Luxembourg, comprises Software Developer

You will work alongside data scientists, backend engineers, product, and UX, and your work will show ... Strong backend engineering skills in either Python or TypeScript: APIs, stateful workflows, data pipelines

Experience guideline: around 6+ years as a Senior Software Developer, including solution design, production

lineage tracking practices Experience contributing to or overseeing shared platform infrastructure, developer