Tech jobs
Job listings
Platform DevOps Engineer
Mid-senior Platform DevOps Engineer in Spain on a partner company's global platform team: evolving CI/CD pipelines, cloud infrastructure, and automation; strengthening observability and leading incident response. Core stack: GitLab CI, Terraform, Ansible, Kubernetes, Docker, Helm, GitOps, OCI.
Java Software Developer - Laboratory Instruments (m/f/d)
Bruker seeks a Java developer in Santiago de Compostela to build and enhance desktop software that controls mass spectrometry laboratory instruments. Day to day: developing Java client applications, testing against physical instruments, troubleshooting issues, and improving performance, quality, and development processes alongside scientists and engineers.
Technical Lead/.Net full stack developer
Contract role in Madrid for a technical lead/.NET full-stack developer who designs, builds, and tests applications using .NET Core/Framework, C#, ASP.NET/ASP Classic, and Angular or React, backed by SQL, Oracle, or MS Access databases, working in Agile with Git. Requires fluent Spanish and English; aerospace or manufacturing domain knowledge is a plus.
Senior.NET Full Stack Developer
Senior .NET full stack developer at TCS Spain in Getafe: designing, developing and testing .NET Core/ASP.NET/C# applications with Angular, React or Vue front-ends and SQL, Oracle or MS Access databases in Agile teams serving manufacturing and aerospace clients. Onsite 09:00-18:00 with on-call; permanent contract.
Full Stack Java Developer
Full Stack Java Developer on BME's (part of SIX, Europe's third-largest exchange group) Trading Web Application Development team in Las Rozas de Madrid, building high-performance Java applications for market-facing trading products. Core stack: Java 8+/Spring Boot, SQL/Hibernate, Kafka, Angular, Kubernetes/OpenShift; hybrid with up to 40% work from home.
Full stack developer in insurance
Java backend developer in Barcelona joining a team building insurance-sector projects from scratch for an SII Group client, growing into a full-stack role with React (training provided). Requires 3+ years of Java, strong Spring, Scrum, and high-level French, the project's working language.
Backend Developer / Tech Lead | Node.js, NestJS y Microservicios
Technical Business Analyst with a backend development background (Node.js, TypeScript, NestJS, microservices) working on a stable project for a leading international company in Barcelona: gathering requirements, proposing technical solutions, building the technical backlog, documenting APIs, and unblocking the delivery team.
Azure Backend Engineer - Cloud Native & AI-Assisted Development
Backend engineer (Madrid) building cloud-native APIs, microservices and integrations on Azure (.NET/C#, Azure Functions, AKS, Service Bus, Logic Apps, Key Vault), using AI coding assistants like GitHub Copilot and Claude Code as a routine part of the development cycle.
Software Engineer (Python)
Mid/senior Python software engineer joining Prima's Pricing Domain in Madrid, building the microservices, tools and infrastructure behind insurance pricing and underwriting. Core stack includes Python, Kafka/RabbitMQ messaging, MySQL/PostgreSQL, CI/CD, IaC and containerization, with close collaboration with data scientists.
Junior Backend Go Developer
Junior backend developer in Madrid building and maintaining scalable Go microservices and RESTful APIs, integrating services with other teams, debugging production issues, writing tests, and joining Agile sprint planning, with mentorship from senior engineers.
Backend Developer | Driving Innovation In Cybersecurity
Backend developer at Orbik (part of the Mondragon cooperative ecosystem) building RESTful APIs and microservices for cybersecurity of industrial products in the Basque Country. Day to day: full API lifecycle development, performance optimization, code reviews, and CI/CD with GitLab.
Remote.NET Backend Developer — Flexible Hours + Perks
Backend developer at ALTECH in Barcelona building applications with .NET Framework or .NET Core, working with multidisciplinary teams to define requirements. The role values 2-5 years of experience, SQL/NoSQL knowledge and Scrum, with flexible hours and the option to telework.
Senior BackEnd Developer & Team Leader
Senior back-end developer & team lead at WonderBits in Valencia (hybrid, 2 office days/week): plans and builds innovation and client projects with .NET/C#, TypeScript/Node.js (plus Python), using DDD/CQRS/TDD, Docker and CI/CD while helping lead a 22-person tech team. Permanent contract paying €35-45/hour.
Senior Python Developer | Madrid
Senior Python developer at UST in Madrid (hybrid, 3 days/week in the Sol-area office), building and automating critical business processes for a global wealth-management client. Core stack is Python, SQL, and REST APIs, with a willingness to learn Automic Automation (UC4); English required.
Backend Developer (Kotlin/Spring Boot)
Builds robust, maintainable backend services in Kotlin and Spring Boot: designs REST APIs (Swagger/OpenAPI), persists data in SQL/DynamoDB, integrates Amazon SQS messaging, and applies TDD with hexagonal and event-driven architectures — working in a 100% remote Scrum/Scrumban team with CI/CD and observability practices.
Senior Full-Stack.NET/Python Lead Developer
Senior full-stack lead developer in Sevilla building scalable applications with .NET, Python, and React/Angular in agile teams; drives CI/CD pipelines (TeamCity/Jenkins), manages Linux/Windows deployments, and mentors junior developers while setting engineering best practices.
Senior.NET Backend Developer
Senior .NET backend developer based in A Coruña (hybrid) developing and evolving C#/.NET services for an international company's own product, including modernizing legacy components to modern .NET. Day to day covers event-driven microservices, SQL Server data access, REST APIs, code reviews, and production incident handling.
Senior.NET Backend Developer
Senior .NET Backend Developer in A Coruña (hybrid) at tech boutique 3MT Global Services, building and maintaining C#/.NET services for an international client's own product and modernizing legacy components to modern .NET. Day-to-day: functional analysis, technical design, end-to-end delivery, code reviews and production support.