Principal/Senior Backend Engineer
Summary
Builds and optimizes low-latency backend services for real-time ad bidding, auction mechanics, and performance delivery using C++/Go and ad-tech protocols like OpenRTB.
Job Description
- 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
Qualifications
- 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
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