Principal/Senior Backend Engineer

Design and implement core backend 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

5+ years of relevant experience as a Backend Engineer in commercial projects
Strong backend engineering experience with C++ or 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 (Aerospike, Redis, ElastiCache, etc.)
Experience with PostgreSQL or similar relational databases
Proven track record of 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
Upper-Intermediate English level

WILL BE A PLUS:

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

PERSONAL PROFILE: