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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 Product Engineer in Berlin that loves building actual products while taking ownership of the entire feature-building process. You will be mostly working on our TypeScript codebases (FE + BE). This is a unique opportunity for end-to-end ownership across the entire stack.

Compensation: €65k-90k + 25% of your base salary in equity on top
Location: Berlin (Hybrid, 2+ days/week in office)

Activities

• Collaborate closely with product managers, designers and engineers to design and implement new features in a truly cross-functional process.
• Build and maintain backend services and APIs (REST/GraphQL) as well as the user-facing parts (in Vue)
• Contribute to the overall architecture of the entire system
• Collaborate with and learn from senior engineers to implement best practices for software development, infrastructure, and deployment processes. Participate in code reviews and provide constructive feedback to peers while learning from more experienced engineers.

Our Tech Stack:

• Frontend: Typescript, Vue 3, Tailwind, Netlify, GH Actions
• Backend: Typescript, AWS, NestJS, Prisma, PostgreSQL, REST, Websockets, Terraform, GH Actions

Requirements

This role is perfect for a Fullstack Engineer with 3-5 years of experience looking to grow their skills and make a meaningful impact at a company that is approaching product-market fit (> €2M ARR). You are likely a great fit if:

• You have solid engineering fundamentals, write clean and efficient code, and are eager to continue elevating your skills.
• Flexible to switch between between FE and BE depending on the task - it could be 50/50 at times but also 80/20 if needed
• You understand how to balance technical trade-offs and can contribute to discussions about scalability, performance, and maintainability.
• You care about building reliable, high-quality systems that deliver a great experience for end users.
• You thrive in a fast-paced startup environment, enjoy taking ownership of your tasks, and stay proactive and pragmatic in solving challenges.
• 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 (with Head of Engineering & Senior Product Engineer)
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)