Sigma Software

Software Architect (AdTech)

Sigma Software
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1 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.
Sigma Software

About Sigma Software

1,001-5,000 employees

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.

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