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Software Architect (AdTech)
Sigma Software · Warsaw, Masovian Voivodeship, Poland
About The Role
- Design, architect, and oversee the implementation of AdTech solutions, including SSPs, DSP integrations, ad servers, RTB pipelines, header bidding systems, identity frameworks, analytics pipelines, and auction engines 
- Act as a technical driver across multiple initiatives, ensuring architectural consistency, quality, and scalability 
- Stay up to date with evolving AdTech standards (OpenRTB, Prebid, VAST, GPP, TCF 2.2, UID2, RampID, etc.) 
- Lead the discovery and assessment phases, including architecture reviews, gap analysis, and solution scoping 
- Provide technical estimation, advisory services, PoCs, and support during pre-sale activities 
- Translate complex business requirements into scalable and compliant technical architectures 
- Define architectural standards, best practices, reference models, governance rules, CI/CD expectations, and operational guidelines 
- Collaborate with development teams to ensure high-quality implementation and adherence to architectural decisions 
- Provide recommendations for solution design, performance tuning, data modeling, and cost optimization 
- Guide teams in building future-proof, maintainable, and scalable software components 
- Mentor engineers, conduct knowledge-sharing sessions, and support professional growth of the team
- 7+ years of experience in software development 
- 3+ years in a technical leadership or architecture role 
- Strong proficiency in at least one of the following languages: C++, Golang, Rust, or Node.js 
- Proven experience designing and building high-load, low-latency, and scalable cloud platforms 
- Hands-on experience with containerization and orchestration (Docker, Kubernetes, Helm, etc.) 
- Successful track record in consulting engagements, pre-sales activities, and client-facing presentations 
- Strong understanding of distributed systems, performance optimization, messaging, caching, and API design 
- Advanced level of English  
 
WOULD BE A PLUS 
- Experience in the AdTech domain (SSP, DSP, ad server, header bidding, OpenRTB, Prebid, VAST, user sync, identity solutions, audience data, measurement/attribution, etc.) 
- Hands-on knowledge of real-time bidding systems and auction mechanics 
- Familiarity with mobile ad delivery (iOS/Android) 
- Experience designing SDKs, APIs, libraries, and integration frameworks 
- Experience with ad integrations, analytics pipelines, consent management (TCF/GPP), and fraud detection 
- Experience with Prebid ecosystem 
- Understanding of privacy-driven architectures and GDPR/CCPA compliance principles 
PERSONAL PROFILE
- Self-driven, independent, detail-oriented, and a responsible team player 
- Excellent communication skills and works well with both engineering teams and business stakeholders
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