Junior Full Stack Developer

About the Position

We are seeking a Junior Full Stack Developer to join our engineering team in Amsterdam. You will contribute to building and maintaining software applications across both backend and frontend.

Location: Amsterdam

Working Model: Hybrid – working from the Amsterdam office a couple of days a week.

Start Date: ASAP

Responsibilities

Software Development

• Develop and maintain high-quality applications using Java and Spring Boot.
• Build and maintain frontend functionality using React.js.
• Write clean, readable, reusable, and maintainable code.
• Apply appropriate design patterns and development best practices.
• Follow principles such as SOLID and DRY.
• Write unit and integration tests and contribute to overall application quality.
• Refactor and improve existing code when needed.
• Follow security, data integrity, and coding standards.

End-to-End Ownership

• Contribute to the development and maintenance of services throughout their lifecycle.
• Monitor application health and performance and respond to issues when required.
• Support deployment and production operations.
• Contribute to technical documentation, runbooks, and operational procedures.

System Design & Problem Solving

• Contribute to technical and architectural discussions.
• Help evaluate different approaches to solving technical problems.
• Understand the impact of changes to existing systems.
• Design solutions that meet current business requirements while remaining adaptable for future improvements.

Incident Management & Continuous Improvement

• Support the team in investigating and resolving production issues.
• Contribute to root cause analysis and long-term solutions.
• Participate in postmortems and incident tracking.
• Identify opportunities to improve processes, systems, and application performance.

Communication & Collaboration

• Work closely with developers, Engineering Managers, Product Owners, and other stakeholders.
• Clearly communicate technical ideas and progress.
• Ask relevant questions and actively listen to understand requirements.
• Collaborate with the team to find practical and effective solutions.

Requirements

• 1–3 years of relevant professional experience in software development.
• Commercial development experience with Java.
• Hands-on experience with Spring Boot.
• Experience with React.js and frontend development.
• Good understanding of software engineering fundamentals.
• Understanding of SOLID, DRY, and common design patterns.
• Knowledge of software testing principles and practices.
• Ability to write clean, maintainable, and reusable code.
• Basic understanding of application architecture and system design.
• Analytical and problem-solving mindset.
• Willingness to learn and develop new technical skills.
• Good communication and teamwork skills.

Important

Although this is a Full Stack Developer position, the client will assess candidates primarily on their backend capabilities.

Therefore, strong Java and Spring Boot skills are a key requirement, while React.js experience is required for the frontend part of the role.

We are looking for a developer who is ready to grow, take ownership of their work, and develop within a professional engineering environment.