Product Engineer - Fullstack with Backend Focus (all genders)

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 and a hybrid setup.
• Dog-friendly office in Berlin with free lunch, besides beverages and snacks.
• And more: Annual personal training budget of 1,500€, Company supported pension Scheme ("BAV", 30% contribution), Urban Sports Club Membership and more.

In a nutshell

koppla is building thenext-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 aproduct-minded Product Engineer in Berlin that loves building actual products while taking ownership for the entire feature building process. You will be mostly working on our TypeScript-codebase, while also working with and improving our existing codebase together with our SRE. This is a unique opportunity for taking a huge career step as the first backend-focussed Product Engineer of koppla.

Compensation: €70k-85k + 25% of your base salary in equity on top

Location: Berlin(Hybrid, 2+ days/week in office)

Who we're looking for

This role is perfect for a Full-stack 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 improving your skills.
• 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.

About koppla

At koppla, we’re an ambitious team on a mission to help the construction industry build more efficiently. We’re already partnering with top construction companies and delivering impressive results for our customers (multi-months speed-ups discovered through koppla).

Our ambitions arebacked by leading VCs (Earlybird, Newion) and industry angels as we tackle a billion-dollar opportunity problem in an underdigitized and underserved market.

Our culture is core to who we are and we’ve built one we’re genuinely proud of. We aspire to create an environment of few but very high-performing team members (similar to Netflix or Ashby).

What you’ll be doing

• Collaborate closely with product managers, designers, and frontend engineers to design and implement new features in a truly cross-functional process.
• Build and maintain backend services and APIs (REST/GraphQL) to support user-facing features.
• Contribute to the development and optimization of our real-time messaging backend (Websockets, Kafka, ...) that powers real-time collaboration.
• Be part of improving our infrastructure setup in AWS (S3, Dynamo, RDS, ECS, IAM, CloudWatch, Lambda, etc.) using IaC tools like Terraform or Serverless.
• Help improve observability, monitoring, and alerting for our services to ensure reliability and quick response to incidents (Sentry, CloudWatch, OpenSearch).
• Collaborate with 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.

Stack: NodeJS, TypeScript, AWS, GraphQL (Apollo), PostgreSQL, Terraform, Kafka. You should be familiar with some of these or similar technologies.

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