Senior Frontend Engineer – Berlin
Our client is a fast-growing company redefining modern wellness by blending traditional care with cutting-edge technology. With a growing presence across Berlin, Duesseldorf, Munich and Hamburg, they create beautifully designed, human-centric spaces and digital experiences that elevate physical and mental well-being.
The team fosters a culture of trust, growth, and innovation, led by people who care deeply about building thoughtful, customer-first products and clean, scalable systems. If you're passionate about engineering excellence, modern product development, and creating meaningful impact through technology, this is for you!
Job Description:
As a Senior Frontend Developer, you will:
Develop and maintain modern, user-friendly web applications using React, Next.js, and Tailwind CSS.
Collaborate with UI/UX designers to implement pixel-perfect, responsive designs that align with brand standards.
Write clean, maintainable, and well-documented code, adhering to team standards and best practices.
Optimize React applications for speed, scalability, and efficient rendering.
Implement state management solutions and integrate frontend applications with backend APIs.
Actively participate in code reviews and contribute to team-wide technical discussions.
Debug and fix cross-browser and device-specific issues to ensure seamless user experiences.
Mentor junior developers, sharing knowledge and fostering growth within the team.
Tasks:
Build state-of-the-art frontend solutions, leveraging modern frameworks and technologies.
Maintain and improve UI/UX consistency across web applications.
Debug, optimize, and enhance performance, ensuring fast load times and responsiveness.
Collaborate across teams to integrate APIs and backend services.
Drive adoption of best practices for code quality, scalability, and maintainability.
Requirements:Must-Have Skills:
Minimum of 5+ years of professional experience in frontend development.
Strong proficiency in React.js and its core principles.
Extensive experience with Next.js, including server-side rendering (SSR).
Expert-level knowledge of modern JavaScript (ES6+), HTML5, and CSS3.
Proficient in asynchronous data fetching and server-state management tools (e.g., SWR, React-Query).
Professional experience with TypeScript and static typing.
Skilled in Tailwind CSS for building responsive, maintainable designs.
Solid understanding of web performance optimization techniques.
Experience with version control systems (Git) and CI/CD pipelines.
Strong analytical and problem-solving skills with an eye for detail.
Excellent communication skills, with a collaborative and results-oriented approach.
Nice-to-Have Skills:
Hands-on experience with testing frameworks (e.g., Jest, React Testing Library).
Familiarity with GraphQL and REST API design.
Understanding of web accessibility standards (e.g., WCAG).
Experience with state management libraries (e.g., Redux, Zustand, or similar).
Bachelor's degree in Computer Science or related field.
Workflow:
Flexible work hours with minimal mandatory meetings.
Task-oriented work structure, managed via JIRA or equivalent tools.
Tech Stack:
Core Frameworks and Libraries: React.js, Next.js, Tailwind CSS
Languages and Tools: JavaScript (ES6+), TypeScript, HTML5, CSS3
State Management: SWR, React-Query (others are a plus: Redux, Zustand)
Testing Frameworks: Jest, React Testing Library (preferred)
APIs and Integrations: GraphQL, REST APIs
Version Control and CI/CD: Git, Github Actions