Role highlights
Full Time
Permanent
Mid
On-site
This Frontend Engineer role requires 4–5+ years of experience in modern frontend development with a strong focus on React and TypeScript. Candidates should have deep expertise in building and shipping production-grade web and mobile applications, ideally with React Native and Expo. The position involves full ownership of features from conception through deployment, working on both a web dashboard and a mobile app, emphasizing autonomy and responsibility within a small, fast-moving startup environment. The tech stack includes React, Next.js, React Native/Expo, TailwindCSS, and shadcn/ui, with REST APIs integration. Responsibilities include collaborating closely with design, backend, and product teams, ensuring high performance, smooth user experience, and clean, maintainable code. The role demands a product-oriented mindset, pragmatic decision-making, fast validation cycles, and attention to detail while maintaining development momentum. Experience in startup settings and comfort with autonomous project ownership are highly valued. Additional desirable skills include familiarity with testing frameworks, interest or experience in AI-powered products, and knowledge of the health and fitness vertical. Strong communication skills and the ability to influence product direction through customer insights are essential. The position is office-based in Nordhavn, with Danish language skills considered a plus but not mandatory. Overall, this role suits a motivated frontend engineer eager to contribute significantly to a product used by thousands, thrive in a high-speed learning environment, and help evolve frontend architecture as the company scales.
About the role
Role Summary
- Take ownership of features from idea to release
- Work on both web dashboard and mobile app (React Native / Expo)
- Join a small, focused team with autonomy and real responsibility
- Influence product direction and work closely with customers
- Office-based role in Nordhavn; Danish is a plus but not required
Tech Stack
- React & TypeScript
- Next.js
- React Native / Expo
- TailwindCSS
- shadcn/ui
- REST APIs
Responsibilities
- Build and maintain web dashboard and mobile app
- Take features from 0 → 1: scoping, implementation, deployment
- Collaborate with design, backend, project manager, and founders
- Ensure high performance, smooth UX, and clean, maintainable code
- Participate in design discussions and provide feedback
- Help define and evolve frontend architecture as the company scales
Requirements
- 4–5+ years of experience with modern frontend development
- Deep experience with React (ideally React Native)
- Experience building and shipping products for real customers
- Product-oriented mindset
- Strong understanding of customers and prioritizing impact
- Pragmatic approach; knows when “good enough” is enough
- Fast and clear validation
- Detail-oriented while maintaining momentum
- Enjoys autonomy and can drive projects independently
- Thrives in a small, fast-moving startup
- Eager to build something significant
- Communicates clearly and enjoys collaboration
- Experience in a small company or startup is a big plus
Nice to Have
- Experience with Expo and React Native in production
- Experience with Tailwind or shadcn/ui
- Familiarity with testing frameworks
- Interest in AI or previous work with AI-powered products
- Interest in the health/fitness vertical
Benefits
- Central role in building a product used by thousands of coaches
- High-speed learning environment with rapid growth
- Ownership and direct impact on the company’s future
- Small, passionate team with big ambitions
- Fun and energetic office in Nordhavn
How to Apply
- Complete a small take-home assignment and send the code
- Screening call
- Several interviews, including:
- Walkthrough of the take-home assignment
- Live coding (extending the assignment)
- Culture interview
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Because no coach grows alone, we’ve built CoCoach to be the partner every coach deserves, helping them get clients, grow their brand, and run their business wit...
- Location
- København
- Employees
- 11-50 employees
- Website
- cocoach.com