Software Architect (AdTech)

Sigmasoftware2; Warszawa; On-site; PLN 260,000 - 420,000; Full time

Job summary

Sigmasoftware2 is seeking an experienced Senior Architect to design and drive AdTech solution architectures in Warsaw. You will lead technical initiatives across SSPs, DSPs, ad servers, and OpenRTB pipelines, ensuring scalable, compliant systems.

You will mentor engineers, oversee pre-sales activities, and collaborate with clients to translate business needs into robust technical designs.

Qualifications

• 7+ years of experience in software development.
• 3+ years in a technical leadership or architecture role.
• Strong proficiency in at least one of: C++, Golang, Rust, or Node.js.
• Proven experience designing high-load, low-latency, scalable cloud platforms.
• Hands-on experience with containerization and orchestration (Docker, Kubernetes, Helm).
• Successful consulting, pre-sales engagements, and client-facing presentations.
• Advanced level of English.

Responsibilities

• Design and oversee AdTech architectures including SSPs, DSPs, ad servers, and header bidding.
• Lead architecture reviews, gap analyses, and solution scoping.
• Provide technical estimation, PoCs, and pre-sales support.
• Translate complex business requirements into scalable architectures.
• Define standards, governance, CI/CD, and operational guidelines.
• Collaborate with development teams to ensure quality implementation.
• Mentor engineers and support team growth.

Skills

Technical leadership

Software architecture

Distributed systems

Cloud platforms

Performance optimization

English proficiency

Tools

C++

Golang

Rust

Node.js

Docker

Kubernetes

Helm

Job description

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

Qualifications and Experience

• 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