Sigma Software

Software Architect (AdTech)

Sigma Software
Apply
1 day ago
Cluj-Napoca, RomaniaSenior

Responsibilities

  • Define and drive architecture and technical direction for scalable AdTech solutions and distributed cloud platforms.
  • Lead technical discovery, architecture assessments, solution design, and translation of business requirements into scalable technical solutions.
  • Conduct customer-facing pre-sales activities including presentations, architecture workshops, proposals, estimations, and proofs of concept.
  • Advise customers on technology and architecture while identifying opportunities to expand existing engagements.
  • Establish architectural standards, governance principles, and engineering best practices across projects.
  • Guide engineering teams on architecture implementation, scalability, performance optimization, and distributed-systems design.
  • Evaluate emerging technologies, including AI-driven solutions, and recommend innovative approaches.
  • Mentor engineers and support technical knowledge sharing across teams.

Requirements

  • At least 7 years of commercial software development experience and at least 3 years 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.
  • Upper-Intermediate level of English and strong communication, presentation, stakeholder-management, ownership, and mentoring skills.
  • Preferred: commercial AdTech experience and knowledge of SSPs, DSPs, AdServers, Header Bidding, OpenRTB, Prebid, VAST, real-time bidding, and auction mechanics.
  • Preferred: experience with iOS and Android advertising ecosystems, SDKs, APIs, libraries, integration frameworks, advertising analytics, fraud detection, consent management, and real-time data processing.
  • Preferred: understanding of GDPR, CCPA, and privacy-first architectures.

Benefits

  • Remote or hybrid cooperation format depending on location.
  • Opportunity to work with international customers and influence complex AdTech platforms.
  • Access to Sigma Software’s AdTech community of more than 300 experts and professional knowledge-sharing environment.
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.

Contact me