Junior Product Engineer (all genders)

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 Product Engineer in Berlin that loves building high-quality products. 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: €55-65k + 20% of your base salary in equity on top.

Location: Hybrid setup (2+ days in office) in Berlin (U Turmstraße)

Activities

• 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 (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.

Requirements

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).
• Beyond the role-specific requirements, you also see your own values reflected in our culture playbook.

Team

What we offer

• A company of co-owners through tax-optimized equity grants.
• A culture with a focus on transparency, respect, ownership, collaboration and the well-being of each team member on this exciting journey.
• An environment that values hard-work while still allowing work-life/family integration through 28 days PTO, flexible working hours, workation and a hybrid setup.
• Dog-friendly office in Berlin with free lunch, besides beverages and snacks as well as a home office budget at start.
• And more: Annual personal training budget of 1,500€, Company supported pension Scheme (”BAV”, 30% contribution), Urban Sports Club Membership, Home Office budget and more.

Application Process

1. Initial Interview (with People & Culture - Basic Culture Fit, Expectations, General Screening)
2. Coding Challenge with Coderbyte
3. Technical Interview
4. Founder Interview (Meet the Founders - Mindset, Strategy, Culture Fit)
5. Reference Call (we would like to speak to one of your Line Managers from one of the last positions and will ask for contact details)