(Senior) Frontend Engineer (m/f/d)
Our mission is to bring the benefits of digital healthcare to millions of people. To achieve this goal, we are strengthening our Online Product team with experienced engineers who are passionate about building high-quality, scalable, and user-focused digital products. As a Frontend Engineer, you will play a key role in shaping our frontend architecture, improving existing systems, and delivering exceptional user experiences across our platform.
Your tasks would be...
build maintainable, scalable, and testable frontend code
refactor, modernize, and continuously improve legacy systems
own new features end-to-end, from concept and requirements gathering to implementation and delivery
communicate clearly and maintain transparency on project status and progress
collaborate closely with designers, stakeholders, and developers to deliver user-focused features
mentor teammates and contribute to knowledge-sharing within the team
provide constructive and high-quality feedback during code reviews
drive frontend performance improvements and optimize Core Web Vitals
You will fit well, when…
you have 3+ years of software engineering experience with strong problem-solving skills
you have a deep understanding of design principles and patterns for improving code quality
you write clean, well-documented, and well-tested code using CSS, semantic HTML, and JavaScript
you maintain code quality using modern JavaScript/TypeScript standards, linters, and formatters
you proactively propose, validate, and advocate for new ideas and improvements
you enjoy experimenting with modern frontend technologies and AI tools to improve development workflows
you have experience with modern frontend frameworks such as React, Vue, or Svelte
you uhave experience with CSS frameworks such as Tailwind CSS or UnoCSS
you are familiar with modern frontend tooling such as Vite, Oxlint, or pnpm
you have experience working with CI/CD pipelines, ideally using GitHub Actions
you have basic knowledge of web accessibility standards such as WCAG and ARIA
you are experienced with unit, integration, and end-to-end testing using tools such as Vitest or Playwright
you take ownership of performance optimization, including improving Core Web Vitals
Your Benefits
Wellster works hard to bring many benefits to its employees, ranging from fitness, coaching, discounts and so much more.
Job Type: Full-time
Pay: From €65,000.00 per year
Work Location: Remote