Full Stack Engineer (f/m/d)

The company is looking for a Full Stack Engineer (f/m/d) based in Berlin or Hamburg.

Full-time; unlimited.

About the Role

As a Full Stack Engineer, you will help build and enhance the company’s digital platform supporting clinical trial recruitment and patient engagement. Working as part of a cross‑functional product team, you will develop new features, improve application performance, and contribute to creating scalable, high‑quality software that delivers value to our users. This role is ideal for someone who enjoys solving technical challenges, collaborating with multidisciplinary teams, and continuously improving both products and engineering practices.

Responsibilities

• Design, develop, and maintain new features for our Next.js‑based clinical trial platform.
• Take full ownership of your code, features, and overall product quality.
• Optimize application performance across APIs, databases, frontend rendering, and accessibility.
• Write clean, maintainable, and well‑tested code (unit, integration, and end‑to‑end).
• Collaborate closely with engineers, designers, and product managers in an agile environment.
• Participate in code reviews, technical discussions, and initiatives to reduce technical debt.
• Contribute to scalable engineering practices and the continuous improvement of our applications.

Qualifications

• 2+ years of professional experience in JavaScript development, ideally with TypeScript.
• Experience with modern frontend frameworks such as Next.js, React, Angular, Vue, or Svelte.
• Experience building backend applications using technologies such as Node.js, Express, NestJS, or Next.js.
• Solid understanding of relational databases such as PostgreSQL or MySQL; experience with NoSQL databases is a plus.
• Experience with unit and integration testing (Jest, Karma, or similar) is a bonus.
• Familiarity with containerized environments (Docker, Kubernetes) is a bonus.
• Knowledge of CI/CD pipelines and build tools (GitLab CI, GitHub Actions, Jenkins) is a bonus.
• Degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience. Next.js or AWS certifications are a bonus.
• Fluency in English.
• Strong problem‑solving, communication, and collaboration skills.
• Proactive, quality‑focused mindset with a passion for continuous learning and improvement.

Benefits

• A varied and exciting job with a lot of personal responsibility in an international company, where you can develop and expand your skills.
• Professional and personal development opportunities – including a personal development budget.
• Flexible working hours and mobile working.
• Regular team events and an open feedback culture.
• A versatile field of activity and challenging projects.
• A supportive and open company culture, providing the opportunity to collaborate with a diverse and professional team.
• Impact healthcare by accelerating medical innovation through improved access to clinical trials, potentially bringing needed treatments to patients faster.

At the company, we are proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees, regardless of race, religion, gender, sexual orientation, national origin, disability, or age.