Bulgaria Europe Poland Portugal Remote (Ukraine) Romania Ukraine GO Software Developer

Required skills

GO / strong
Backend Developer / strong

We invite a Senior Backend Developer to join an AdTech project and be responsible for turning our product vision and roadmap into best-in-class code that delivers an awesome customer experience. We need a person who can provide solutions that optimally balance development efforts, deployment costs, and time–to market while ensuring product requirements are met.

This role requires a specialist with fully up-to-date knowledge of the latest software coding practices, tools, and languages.

Ready to dive into this exciting project?


With the deprecation of cookies and mobile IDs, addressability at scale has become an industry-wide challenge. Working with partners with a future-proofed audience strategy and ID-less solution has become paramount, as has leveraging highly engaging and impactful creative to capture customers’ attention.

While the client has traditionally focused on AI-powered audiences and geo-location, we are evolving with the industry to refocus on what truly matters in advertising and creativity. We leverage our powerful machine-learning engine to deliver high-scale, dynamic creatives that shine in a native environment. Contextually relevant ads show greater results.

The software engineering team is the engine that drives our ambition to build the world’s best mobile advertising platform.

Join us as we build future-proofed, AI-powered dynamic experiences for our customers.


  • Expert-level skills in Go
  • Experience in container-based architectures (esp. Kubernetes/AWS)
  • Hands-on experience in high performance, high scalability, high availability systems
  • Ability to design and implement a main system capable of effectively multiplexing incoming requests into multiple outward connections (http/s, http2), while ensuring the maintenance of state until all outgoing requests receive replies
  • Ability to organize software internally for optimal teamwork, including defining best development practices, environment setup, unit test definition, and test runtime setup and build automation
  • Has experience in low-level socket management, timeouts, TCP keep alive, HTTP keep alive, timeouts, time wait states, and similar is highly valued
  •  Ability to diagnose Go language issues: internal metrics monitoring, defining the ideal metrics to monitor externally, debugging in isolation, profiling locally and in production
  • Experience with CI/CD


Would be a plus

  • Experience with Node.js

Personal Profile

  • Strong analytical, problem-solving, and documentation skills
  • Comfortable with working in Agile frameworks
  • Experience working in distributed international teams
  • Highly personable, with good communication skills


  • Design and implement large-scale software solutions and components using Golang
  • Do everything needed to keep a high level of quality
  • Be a great communicator to be able to actively collaborate and get context for complex tasks
  • Follow best engineering practices and company/client guidelines
  • Play supervisory, advisory, and coaching roles for less-senior engineers in the team
  • Be an active contributor to all team-related meetings, events, and ceremonies
  • Contribute to creating architectural and technical documentation
  • Promote clean code and design patterns/principles
  • Actively and permanently work on self-development and self-education, making lessons learned for further advancement to the Principal position


  • Diversity of Domains & Businesses
  • Variety of technology
  • Health & Legal support
  • Active professional community
  • Continuous education and growing
  • Flexible schedule
  • Remote work
  • Outstanding offices (if you choose it)
  • Sports and community activities


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