
Software Architect (AdTech)
Sigma Software1 day ago
Warsaw, PolandSenior
Responsibilities
- Define and drive architecture for scalable AdTech solutions and distributed cloud platforms.
- Own architectural decisions, technical direction, governance principles, and engineering standards.
- Lead technical discovery, architecture assessments, solution design, customer presentations, workshops, proposals, estimations, and Proofs of Concept.
- Translate business requirements into scalable, secure, and future-proof technical solutions.
- Guide engineering teams on architecture implementation, scalability, performance optimization, and distributed systems design.
- Drive technical consulting, pre-sales activities, customer engagement expansion, and architecture advisory.
- Mentor engineers and support technical knowledge sharing across teams.
- Evaluate emerging technologies, including AI-driven solutions, and recommend innovative approaches.
Requirements
- At least 7 years of commercial software development experience.
- At least 3 years of experience in architecture or technical leadership roles.
- Strong hands-on expertise in at least two of Golang, Rust, Node.js, and C++.
- Experience designing high-load, low-latency distributed systems and cloud-native architectures.
- Strong understanding of microservices architecture, messaging systems, caching, and API design principles.
- Hands-on experience with Docker, Kubernetes, Helm, and production environments on AWS, GCP, or Azure.
- Experience with REST APIs, gRPC, WebSockets, and event streaming technologies such as Kafka, Kinesis, or Pub/Sub.
- Experience with customer-facing technical consulting and pre-sales activities.
- Strong communication, presentation, stakeholder management, ownership, and mentoring skills.
- At least Upper-Intermediate English proficiency.
- Preferred: commercial AdTech experience and knowledge of programmatic advertising ecosystems, including SSPs, DSPs, AdServers, Header Bidding, OpenRTB, Prebid, and VAST.
- Preferred: understanding of Real-Time Bidding systems, auction mechanics, mobile advertising ecosystems for iOS and Android, advertising analytics, fraud detection, consent management, real-time data processing, GDPR, CCPA, and privacy-first architectures.
- Preferred: experience designing SDKs, APIs, libraries, or integration frameworks.
Benefits
- Remote or hybrid cooperation format can be discussed depending on location.
- Opportunity to work with international customers and influence the technical direction of complex AdTech platforms.
- Opportunity to join a professional community of more than 300 AdTech experts and contribute to programmatic advertising, distributed systems, cloud-native, and AI-driven solutions.
Tech Stack
Categories
BackendSolutions Engineering
About Sigma Software
Sigma Software is a London-headquartered, privately held IT consultancy that designs and builds custom software for startups and enterprises. The company provides end-to-end services—engineering, web and mobile development, .NET/Java platforms, AR/VR, and UI/UX—delivered via outsourcing, managed teams, and consulting. Founded in 2002, it supports long-term product development and modernization projects across multiple industries for global clients.