Senior Backend Engineer (Go)

Globaldev Group; Poland; On-site; PLN 180,000 - 280,000; Full time

Benefits offered by this job

22 paid vacation days per year

10 paid sick leave days per year

Paid public holidays

English classes and speaking club

HR support

Professional growth opportunities

Competitive compensation

Job summary

Globaldev Group is building the next generation of its Demand-Side Platform, delivering premium digital inventory through high-performance programmatic technology. We seek a Senior Backend Engineer (Go) to drive platform performance, scalability, and new capabilities in a demanding, high-load environment.

Join a team that designs, builds, and operates low-latency services, collaborating with Data Engineering and ML colleagues to push data-driven bidder workflows forward while translating

Qualifications

• Strong background in backend software development with Go.
• Deep understanding of distributed systems and microservice architectures.
• Hands-on experience building and operating high-performance, low-latency backend services.
• Proven ability to analyze bottlenecks and resolve scalability challenges.
• Ability to work independently and collaborate with Product and engineering teams.
• Curiosity to understand the business problems solved by the systems.

Responsibilities

• Design, develop, and maintain high-performance backend services in Go.
• Analyze and optimize distributed systems and microservice architectures.
• Collaborate with Data Engineering and ML teams to integrate data-driven capabilities into bidder workflows.
• Work with Product Managers to translate business needs into scalable technical solutions.
• Write high-quality, maintainable code; participate in code reviews and engineering best practices.
• Oversee features from concept to production and resolve performance issues.

Skills

Go (Golang)

Distributed systems

Low-latency backend

Performance optimization

Independent working

Cross-functional collaboration

Business problem understanding

Tools

Kubernetes

Google Cloud Platform

Docker

Job 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 Senior Backend Engineer (Go) to focus on platform performance, scalability, and new product capabilities in a high-load environment.

Requirements

• Strong background and solid experience in backend software development with Go;
• Deep understanding of distributed systems and microservice architectures;
• Hands-on experience building and operating high-performance, low-latency backend services;
• Proven ability to analyze system bottlenecks and resolve complex scalability challenges;
• Ability to work independently and collaborate effectively with Product and engineering teams;
• Curiosity to understand not only how systems work, but also the business problems they solve.

Will be a plus

• Experience with AdTech or Programmatic Advertising landscape (DSPs, SSPs, exchanges);
• Understanding of auction mechanics and large-scale decisioning systems;
• 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.

Responsibilities

• Design, develop, and maintain high-performance backend services in Go;
• Analyze and optimize distributed systems and microservice-based architectures;
• Work alongside Data Engineering and Machine Learning teams to integrate data-driven capabilities into bidder workflows;
• Collaborate closely with Product Managers to translate business needs into scalable technical solutions;
• Write high-quality, maintainable code, participate in code reviews, and contribute to engineering best practices;
• Oversee features from concept to production, identifying and resolving complex performance issues.

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.