Software Architect (AdTech)
Chmielna 73, Warszawa
Sigma Software
We are seeking a highly skilled Solution Architect to drive design and delivery of cutting-edge AdTech platforms and innovations.
This role offers the opportunity to contribute to impactful AdTech initiatives in programmatic advertising, real-time bidding, identity resolution, predictive analytics, and measurement. The focus is on developing advanced technical solutions that help global clients accelerate growth and unlock meaningful business value.
Project
By joining our team, you will have the opportunity to work on a variety of AdTech initiatives that span programmatic advertising, real-time bidding, identity resolution, predictive analytics, and measurement. These projects are focused on developing advanced, high-value technical solutions that help our clients scale, grow, and evolve.
This role is well-suited for those who bring strong architectural thinking skills, experience with high-performance distributed systems, and the ability to translate complex technical concepts into clear ideas for diverse audiences. The environment is dynamic and collaborative, with daily interaction between engineers, PMs, data experts, product owners, and customer stakeholders who work together to build innovative solutions.
The responsibilities include guiding teams, driving architectural decisions, supporting pre-sales activities, leading discovery phases, evaluating technologies, and introducing forward-thinking approaches to address sophisticated AdTech challenges. This position involves working with mission-critical platforms that operate under extreme performance requirements, such as low latency, high load, and large volumes of data.
This role offers a unique opportunity to grow within a strong and supportive community of experts for those who enjoy solving complex technical problems, contributing to long-term partnerships, and shaping next-generation AdTech solutions.
Responsibilities
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
Requirements
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

Sigma Software is a global software development company founded in 2002. It enables enterprises, startups, and product houses to meet their technology needs through end-to-end delivery, providing top-quality software dev...
Software Architect (AdTech)
Software Architect (AdTech)
Chmielna 73, Warszawa
Sigma Software