Full Stack Engineer

Clariness GmbH
Berlin, Germany
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Shift work
Languages
English
Experience level
Intermediate

Job location

Berlin, Germany

Tech stack

JavaScript
API
Amazon Web Services (AWS)
Application Performance Management
Unit Testing
Code Review
Databases
Relational Databases
Github
PostgreSQL
MySQL
Node.js
NoSQL
Svelte
Next.js
Software Engineering
TypeScript
Web Application Frameworks
React
Delivery Pipeline
Technical Debt
Backend
Vue.js
Containerization
Angular
Gitlab-ci
Kubernetes
Information Technology
Build Tools
Front End Software Development
NestJS
Docker
Jenkins

Job description

As a Full Stack Engineer, you will help build and enhance Clariness' 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.

As a Full Stack Engineer, you would be responsible for:

  • Designing, developing, and maintaining new features for our Next.js-based clinical trial platform.
  • Taking full ownership of your code, features, and overall product quality.
  • Optimizing application performance across APIs, databases, frontend rendering, and accessibility.
  • Writing clean, maintainable, and well-tested code (unit, integration, and end-to-end).
  • Collaborating closely with engineers, designers, and product managers in an agile environment.
  • Participating in code reviews, technical discussions, and initiatives to reduce technical debt.
  • Contributing to scalable engineering practices and the continuous improvement of our applications., You may ask now, why should I work for you? Let us give you a few reasons - and you'll learn more during the process.
  • 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 - incl. personal development budget.
  • Flexible working hours and mobile working.
  • Regular team events and 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.

Requirements

  • 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 plus.
  • Familiarity with containerized environments (Docker, Kubernetes) is a plus.
  • Knowledge of CI/CD pipelines and build tools (GitLab CI, GitHub Actions, Jenkins) is a plus.
  • 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 & conditions

Pulled from the full job description

  • Flexible schedule

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