Lead Backend Engineer (Go)

Location: Poland; Workplace: Remote

Company

Building a next-generation Demand-Side Platform (DSP) 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.
• Contribute to architecture decisions, technology selection, and platform strategy.
• Drive engineering quality through code reviews, technical leadership, and engineering best practices.
• Collaborate with Product Managers to translate business needs into scalable technical solutions.
• Work with Data Engineering and Machine Learning teams to integrate data-driven capabilities into bidder workflows.

Requirements

• Extensive backend software development experience with Go.
• Strong understanding of distributed systems and microservice architectures.
• Experience building and operating high-performance, low-latency backend services.
• Ability to identify, analyze, and resolve complex performance and scalability challenges.
• Ability to work independently and drive initiatives from concept to production.
• Leadership experience or readiness to step into a technical leadership role, with strong communication and Product collaboration skills.

Nice to have

• AdTech or programmatic advertising experience, including auction mechanics and high-scale decisioning.
• 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.
• Experience leading technical initiatives, mentoring engineers, or working with distributed external teams.

Culture & Benefits

• Support from the HR team.
• 20 days of vacation.
• Knowledge sharing and collaboration with talented colleagues.
• A compensation package for the role.