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Lead/Principal Go Developer (AdTech)

Posted 4 days ago

RemoteKharkiv, Kharkiv Oblast, UkraineSE

Job Description

  • Design and implement core Back-End services for real-time bidding, optimization, and ad delivery workflows
  • Build custom bidding agents for real-time bid decisioning
  • Develop high-load, low-latency components supporting real-time auction and delivery mechanics
  • Implement proprietary pacing, bid-shading, and optimization logic to improve campaign efficiency
  • Design and integrate forecasting capabilities for impressions, reach, outcomes estimation, and campaign planning
  • Work with OpenRTB, JSON, protobuf, and other ad-tech protocols and data formats
  • Integrate with data and metrics pipelines to support real-time optimization and reporting
  • Implement observability, monitoring, and troubleshooting capabilities (LGTM/ELK stack)
  • Collaborate with product, engineering, data, and ad operations stakeholders to deliver scalable performance advertising capabilities

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    Qualifications

    • At least 7 years of relevant experience as a Back-End Developer in commercial projects
    • Strong production experience with Golang
    • Experience designing and building high-load, low-latency distributed systems
    • Hands-on experience with JSON-based integrations, protobuf or similar protocols
    • Experience with low-latency data stores and caching technologies such as Aerospike, Redis, ElastiCache or similar
    • Experience with PostgreSQL or similar relational databases
    • Experience building production-grade services with strong reliability, scalability and observability requirements
    • Ability to work independently, reason through complex system trade-offs and contribute to architecture decisions
    • At least an Upper-Intermediate level of English

    WILL BE A PLUS

    • Understanding of real-time bidding systems, auction mechanics and AdTech domain
    • Understanding of pacing, bid optimization, forecasting or performance advertising delivery mechanics
    • Experience working on DSP, SSP, Ad Exchange, ad server or performance marketing platforms
    • Experience with integration of LGTM/ELK or similar observability stacks

    Ā 

      Additional Information

      PERSONAL PROFILE

      • Analytical mindset with strong problem-solving skills
      • Ability to work in fast-paced environments
      • Excellent communication skills for cross-team collaboration
      • Self-motivated and proactive approach to work
      • Strong attention to detail and commitment to quality
      Job details
      Workplace
      Remote
      Location
      Kharkiv, Kharkiv Oblast, Ukraine
      Experience
      SE
      Sigma Software logo
      Sigma Software
      View company page

      Sigma Software development company offers turnkey solutions development and software development teams. Learn how our 1800+ software experts can support a project.

      Employees
      1602
      Industry
      Software Development
      Headquarters
      Stockholm
      Founded
      2002
      Specialties
      IT Consulting, Java, Flash/Flex, PHP, .NET development, Web development, Software Development, Mobile Development, Graphic Design, AR/VR Development, Embedded Development, Software Testing, AI Solutions Development, Custom software solutions development, and Dedicated software teams

      Key team members

      Vlad Beck

      Vlad Beck

      Valery Krasovsky

      Valery Krasovsky

      Alexander Alexandrov

      Alexander Alexandrov

      Yevgen Yakovlev

      Yevgen Yakovlev

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