878 backend developer English-speaking jobs in Madrid

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

and solid CS fundamentals 4+ years contributing to production deployments of automated workflows or backend

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

Recruit, coach, and scale a top‑1 % engineering guild spanning backend, frontend, data, and DevOps—shipping

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

track record of working on large-scale data projects Strong Databricks experience Strong database/backend

and MLOps best practices Practical experience in modern end‑to‑end projects beyond AI/ML - frontend, backend

Developer Collaboration: Work hand-in-hand with frontend engineers to ensure design integrity during

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

Drive ORBIK's growth by identifying and prospecting new B2B clients interested in cybersecurity and compliance solutions. Present products and services with a consultative approach, understanding client needs and proposing tailored solutions. Build and manage a sales pipeline through various outbound actions, analyze market trends, and prepare forecasts and action plans.

Drive revenue growth by selling complex technical solutions for data center power, heating, and cooling needs in Spain and Portugal. Manage intricate proposals and contracts, building relationships with data center customers.

Drive revenue growth by selling complex technical solutions for data center power, heating, and cooling needs in Spain and Portugal. Manage intricate proposals, contracts, and long-range forecasts in this mission-critical industry.

Develop Java applications, participate in client deliveries, provide technical support, and perform maintenance tasks. Requires 3-6 years of Java development experience, knowledge of GIT/GitLab, Maven, JDK17+/Jakarta EE10, Spring, and API Rest. Intermediate web application development and PostgreSQL experience needed. English B2+ required.

Proven track record and technical skills Essential: • Strong experience with Java for front-end or backend

Advantageous: experience as a Microsoft .NET developer and familiarity with technologies such as Elasticsearch

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

curious, pragmatic problem‑solver; comfortable collaborating in cross‑functional teams; open to modern developer

collaborative work environment, where you will have the opportunity to learn and grow as a software developer

Technical literacy around blockchain infrastructure, developer ecosystems, or smart contracts, and/or

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