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Sigma Software Group

Lead Go Developer, AdTech

Sigma Software Group

Lead/Principal Go Developer designing a high-load, low-latency real-time bidding platform for a technology-driven company in digital advertising.

Posted 7/3/2026full-timeRemote • 🇺🇦 UkraineSeniorWebsite

Tech Stack

Tools & technologies
Distributed SystemsGoPostgresRedis

About the role

Key responsibilities & impact
  • 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
  • Collaborate with product, engineering, data, and ad operations stakeholders to deliver scalable performance advertising capabilities

Requirements

What you’ll need
  • 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
  • Ability to work independently, reason through complex system trade-offs and contribute to architecture decisions
  • At least an Upper-Intermediate level of English

Benefits

Comp & perks
  • Competitive benefits
  • Flexible working arrangements
  • Opportunities to work on challenging projects

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
Back-End DevelopmentReal-Time BiddingOptimization LogicCampaign PlanningBid Decisioning
Soft Skills
Independent WorkComplex Problem Solving