Full Stack Engineer
Summary
Contract/freelance full stack developer role in Amsterdam (hybrid, 2-3 days on-site) owning applications end to end, with a backend focus on Java/Spring Boot microservices plus React.js front ends; Kafka and AWS/Kubernetes/Docker/GitLab CI/CD are pluses. Pays around €68 per hour.
Title: Experienced Full Stack Developer (Mid-Level / Senior)
Location: Amsterdam (Hybrid: 2-3 days on-site per week)
Job Type: Contract / Freelance
Target Rate: Around €68 per hour (depending on experience and skills)
Start Date: Immediate / As soon as possible
About the Role:
We are looking for an Experienced Full Stack Developer (Mid-Level & Senior) to join an agile engineering team in Amsterdam. In this role, you will take end-to-end ownership of high-quality applications-from solution design through production support.
You will work independently on complex technical challenges, balancing a strong primary focus on backend development expertise while also delivering effective, responsive user interfaces using React.js. If you enjoy driving architectural decisions, promoting system reliability, and creating customer-focused solutions that generate measurable business value, we want to hear from you.
Key Responsibilities:
- End-to-End Ownership: Design, build, test, deploy, and support high-quality applications across the full lifecycle.
- Architecture & Engineering Excellence: Contribute to architectural decisions, code quality, automation, observability, and operational excellence.
- Collaboration & Leadership: Collaborate closely with product, engineering, and business stakeholders; mentor peers where appropriate.
- Delivery & Operations: Resolve incidents, enhance performance, support secure and resilient systems, and participate in agile ceremonies and iterative delivery.
The Tech Stack & Profile:
- Core Technologies: Java, Spring Boot, microservices architecture, and React.js
- Data & Messaging: SQL / NoSQL databases (Kafka is a plus)
- Cloud & DevOps (Pluses): AWS, Kubernetes, Docker, and GitLab CI/CD
- Background & Domain: Proven experience in full stack/backend/frontend development; FinTech experience or building customer-facing apps is a plus
- Requirements: Relevant technical background, strong analytical mindset, and a demonstrated track record of clear project impact