Sigma Software
Principal/Senior Backend Engineer
Vaga remota de Backend Engineering com fit claro de localização do candidato.
Publicada21 de jun. de 2026
Países elegíveis2 países aceitos
Sinal de senioridadeSenior
Modelo de trabalhoRemoto
Locais aceitos para candidatos
BrasilPolônia
Resumo da vaga
Principal/Senior Backend Engineer
Requisitos e responsabilidades
Conteúdo da vaga extraído em seções para revisão mais rápida.
Details
- 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
- 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
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