Full Stack Engineer

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

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