Senior Backend Engineer (Go)

Location: Remote from Poland

Company

Builds a next-generation demand-side platform that gives advertisers access to premium digital inventory through high-performance programmatic technology.

What you will do

• Design, develop, and maintain high-performance backend services in Go.
• Analyze and optimize distributed systems and microservice-based architectures.
• Integrate data-driven capabilities into bidder workflows with Data Engineering and Machine Learning teams.
• Translate business needs into scalable technical solutions with Product Managers.
• Write maintainable code, participate in code reviews, and contribute to engineering best practices.
• Own features from concept through production and resolve complex performance issues.

Requirements

• Strong backend software development experience with Go.
• Deep understanding of distributed systems and microservice architectures.
• Hands-on experience building and operating high-performance, low-latency backend services.
• Ability to analyze system bottlenecks and solve complex scalability challenges.
• Ability to work independently and collaborate with Product and Engineering teams.
• Curiosity about both system design and the business problems being solved.

Nice to have

• Experience in AdTech or programmatic advertising, including DSPs, SSPs, or exchanges.
• Understanding of auction mechanics and large-scale decisioning systems.
• Experience with Google Cloud Platform, Kubernetes, and cloud-native environments.
• Familiarity with data-intensive applications, analytics platforms, and large-scale aggregations.
• Understanding of Machine Learning concepts and production ML integrations.

Culture & Benefits

• Support from an HR team.
• 20 days of vacation.
• Knowledge sharing and collaboration with experienced colleagues.
• Compensation for contributions.