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Sigma Software Group

Principal Engineer (AdTech)

Krakow, PolandPosted 4 days ago
Full-timehybridExecutive

Job Description

  • Act as a key technical liaison between business and engineering teams, translating commercial goals into actionable technical solutions
  • Evaluate publisher technical environments and design scalable, maintainable architectures
  • Prepare client-ready solution proposals, including features, integrations, and tools
  • Lead cross-functional delivery teams, including developers, designers, DevOps, and technical PMs
  • Provide architectural oversight throughout the development lifecycle to ensure continuity and quality
  • Manage distributed teams across multiple time zones
  • Mentor engineers, conduct code reviews, and guide technical growth
  • Make architectural decisions at component and plugin levels, balancing trade-offs and communicating choices clearly
  • At least 6+ years of hands-on experience in JavaScript / TypeScript, Vue.js, and Node.js
  • Experience in microservices architecture and distributed systems integration
  • Hands-on experience with AWS Lambda or similar serverless technologies
  • Deep understanding of plugin-based systems and extensibility points
  • Proven ability to customize and extend existing solutions without breaking core functionality
  • Experience in AdTech environments with evolving requirements
  • Knowledge of Vite, Cypress, and Vitest for modern development workflows and testing
  • Experience with AWS S3 and CloudFront for scalable storage and content delivery
  • Strong commercial acumen and ability to translate business goals into technical infrastructure
  • Fluent English communication skills for enterprise stakeholder management

WILL BE A PLUS

  • Experience with other serverless frameworks (e.g., Azure Functions, Google Cloud Functions)
  • Familiarity with enterprise e-commerce platforms
  • Knowledge of performance optimization and security best practices
  • Prior work in media publishing technology solutions

PERSONAL PROFILE

  • Proactive, solution-oriented mindset
  • Strong problem-solving skills and ability to unblock dependencies
  • Comfortable working in fast-paced environments with evolving requirements
  • System-thinking approach — seeing beyond individual tasks to the bigger picture

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Principal Engineer (AdTech) at Sigma Software Group | Renata