Lead Backend Engineer (Go)

Location: Poland

Department: Dream Team

Workplace: remote

Employment Type: full

Description

We are building the next generation of our Demand-Side Platform (DSP), enabling advertisers to access premium digital inventory through high-performance programmatic technology.

Our bidder is at the heart of the platform, making real-time auction decisions and powering global advertising campaigns. We are looking for a Lead Backend Engineer (Go) to shape its architecture, performance, and future direction, while driving technical quality and helping grow the engineering team.

Requirements 

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

Will be a plus 

• Experience with AdTech or Programmatic Advertising (auction mechanics, high-scale decisioning);
• Experience with Google Cloud Platform (GCP), 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.

Responsibilities 

• Design, develop, and maintain high-performance backend services in Go;
• Analyze and optimize distributed systems and microservice-based architectures;
• Drive engineering quality through code reviews, technical leadership, and best practices;
• Contribute to architecture decisions, technology selection, and platform strategy;
• Collaborate closely with Product Managers to translate business needs into scalable technical solutions;
• Work alongside Data Engineering and Machine Learning teams to integrate data-driven capabilities into bidder workflows;
• Help establish a strong engineering culture built around ownership, accountability, and continuous improvement.

What we offer 

• 22 paid vacation days per year;
• 10 paid sick leave days per year;
• Paid public holidays;
• English coverage: client-sponsored group classes and GD English Speaking Club;
• Help and support from our caring HR team;
• Continuous professional growth and collaboration with talented colleagues;
• Competitive compensation for your efforts.