Senior Backend Engineer (Go)

Globaldev Group; Poland; On-site; PLN 240,000 - 320,000; Full time

Benefits offered by this job

Vacation days

Sick leave

Public holidays

English classes

HR support

Growth opportunities

Competitive compensation

Job summary

Globaldev Group is seeking a Senior Backend Engineer (Go) to drive performance, scalability, and new product capabilities in a high-load DSP environment. You will design, build, and operate backend services powering real-time bidding decisions.

You will collaborate with Data and ML teams, analyze bottlenecks, and implement scalable architectures. The role requires strong Go backend experience and distributed systems expertise in a fast-paced setting.

Qualifications

• Strong Go backend development experience.
• Deep understanding of distributed systems and microservices.
• Hands-on with high-performance, low-latency backend services.
• Ability to analyze bottlenecks and solve scalability challenges.
• Ability to work independently and with cross-functional teams.

Responsibilities

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

Skills

Go backend

Distributed systems

Low latency design

Independent worker

Team collaboration

Tools

Kubernetes

GCP

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