IN A NUTSHELL

koppla is building the next-gen collaborative scheduling platform for construction, helping project managers keep projects on time by identifying delays and disruptions before they impact timelines.
We are looking for a product-minded Junior Frontend Engineer in Berlin that loves building high-quality frontends. If you want to gain hands-on experience in building a real-world product at a venture-funded start up, while being able to learn from a senior team - this one is for you.
Compensation: €50-65k + 20% of your base salary in equity on top.
Location: Hybrid setup (2+ days in office) in Berlin (U Turmstraße)

WHAT YOU’LL BE DOING

• Collaborate with experienced engineers, product managers, and designers to build and improve features for our scheduling tool in a truly cross-functional process.
• Develop user-facing features using Vue.js, TypeScript, and other modern technologies.
• Work on integrating frontend components with backend services (GraphQL, REST, WebSocket).
• Participate in code reviews to learn and apply best practices for clean, maintainable code.
• Assist with debugging, testing, and improving performance to ensure high-quality releases.
• Take ownership of smaller tasks and grow into taking on larger responsibilities as you gain experience.
  Stack: Vue.js, TypeScript, Vite, GraphQL (Apollo), WebSockets, Playwright. You should be familiar with some of these or similar technologies.

This role is perfect for a recent computer science graduate or someone early in their career with a strong trajectory and a passion for frontend development. If you want to jump into the world of start-ups, this is for you! You are likely a great fit if:

• You have a solid understanding of frontend fundamentals (HTML, CSS, JavaScript) and some experience with modern frameworks like Vue.js, React, or Angular (from internships, projects, or coursework).
• You’re passionate about creating intuitive and user-friendly interfaces and care about delivering a great user experience.
• You’re eager to learn and grow in a startup environment, where you’ll have the opportunity to take on new challenges and responsibilities.
• You enjoy collaborating in a cross-functional team, asking questions, and improving through feedback.
• You’re proactive, curious, and solution-oriented, with a willingness to tackle challenges (with support from your team)