About the project

• You'll be joining a world-renowned product company, working on cutting-edge solutions used by millions around the world. The project operates in a truly international environment.
• This is a great opportunity for someone looking to grow: both technically and professionally. You'll collaborate with highly experienced specialists who value quality, knowledge sharing, and continuous improvement. The bar is set high, but that’s exactly what makes this an inspiring and rewarding place to be.
• What makes this project stand out is the real impact you’ll have. Your ideas matter, and your voice will be heard. It’s a setup that fosters innovation and creates impact on a global scale.

Your responsibilities

• Collaborate with the team to design and build scalable, high-performance ad-tech solutions
• Apply and promote clean coding practices, including writing and maintaining tests (unit, integration, functional) and taking part in code reviews
• Troubleshoot and resolve bugs, performance issues, and backend reliability challenges
• Share your knowledge and support less experienced teammates to foster growth and collaboration
• Maintain clear, up-to-date technical documentation (code, architecture, APIs)
• Take ownership across the full development lifecycle — from requirements to testing, delivery, and ongoing improvements

Our requirements

• At least 4 years of commercial experience in backend development
• Proven experience with Go (Golang)
• Practical experience in designing and developing scalable, high-performance microservices
• Strong knowledge of REST and/or gRPC API design and implementation
• Solid understanding of SQL databases (e.g. PostgreSQL, MySQL) and NoSQL technologies (e.g. MongoDB, Redis)
• Hands-on experience with Docker and version control tools like Git
• Strong analytical and problem-solving skills, including understanding of data structures and algorithms
• Good command of English (you'll be working in an international team)
• A degree in Computer Science, Telecommunications, or a related technical field

Optional

• Kubernetes
• Kafka or GraphQL
• AWS

Technologies we use

What we offer

• Stable employment based on an employment contract (umowa o pracę)

• A hybrid work setup in the heart of Warsaw, we meet in the office 3 days a week to collaborate and connect

• Access to a benefits platform tailored to your lifestyle and needs (Multisport, Private Medical Care)

• Daily collaboration with a diverse, international team

• Flexibility to explore different projects over time, we support growth and change

• Regular team-building activities and integration initiatives to keep the vibe strong

• All the tools you need,  we’ll provide both hardware and software