At SQUAD Technology Solutions, an IT outsourcing company, we are building a small, agile team with a strong commitment to doing things right from the very beginning.
We are currently working with one of our clients to onboard an FREELANCE Fullstack Engineer (Java & Angular) for an international projec t, which is why a high level of English is require d.
What are we looking for? +6 years of experience in fullstack development, working with modern Java + Angular environments
High level of English (C1+), able to work in international environments and communicate fluently with integral teams
Backend development using Java 21/25 + Spring Boot (3.X / 4.X) and frontend with Angular 21 + TypeScript
Strong experience with PostgreSQL, Redis, and SQLite,



focusing on performance and data management
Exposure to AI/GenAI solutions : Spring AI, RAG, and integration with models (OpenAI, Claude, Gemini, HuggingFace, Ollama)
Cloud & DevOps stack: AWS, Docker, Kubernetes, with CI/CD pipelines using Jenkins
Security & testing: Spring Security, OAuth2/JWT, plus testing with JUnit, Mockito, Cucumber, Jasmine/Karma
What are we offering? Freelance contract with immediate onboard (40 hours/week)
Stable pro ject with an international client
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📌 Fullstack Developer Angular-Java-Aigen, Freelance (Remote. 30-33€/H) (Madrid)
🏢 SQUAD Technology Solutions
📍 Madrid