Software Architect (AdTech)
Sigma Software · Warsaw, Masovian Voivodeship, Poland · On-site
Posted Sep 10, 2026
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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…