PRINCIPAL AI ENGINEER

your Jared; Poland; Hybrid; PLN 300,000 - 520,000; Full time

Job summary

Sigma Software is seeking a Principal AI Engineer to design and implement production-grade AI systems for global AdTech clients. The role emphasizes agentic, multi-agent orchestration, and LLM-based solutions with a strong focus on Python/TypeScript and cloud-native microservices.

You will influence solution architectures, contribute to presales activities by defining AI use cases and implementation roadmaps, and collaborate with a 300+ strong AdTech competence center to deliver scalable,

Qualifications

• Designing and building AI-powered systems in production.
• Experience with agentic frameworks and multi-agent orchestration.
• Strong Python and/or TypeScript, API design, and cloud-native architectures.

Skills

Agentic AI

Multi-agent collaboration

Python

TypeScript

API design

Microservices

Cloud-native architectures

Presales consulting

LLM-based solutions

Tools

Cloud platforms

Job description

# PRINCIPAL AI ENGINEERPolandRemoteplvia direct/PRINCIPAL AI ENGINEER## About the RoleRequired skills Designing and building AI-powered systems in production / expert Agentic frameworks, multi-agent collaboration, orchestrator/worker models / strong RAG pipelines, relevance tuning / strong Python and/or TypeScript, API design, microservices, cloud-native architectures / good Presales consulting, translating business problems into AI solutions / good We are seeking a Senior/Principal AI Engineer to join our Stellar AdTech Business Unit at Sigma Software. This is a full-time role with a flexible hybrid/remote work option, ideal for an experienced professional passionate about designing production-grade agentic AI systems and influencing solution architecture for global AdTech clients. You will work with cutting-edge multi-agent orchestration frameworks, contribute to presales activities, and design custom AI models that power large-scale, enterprise-ready solutions. Why Join Us: Be part of a 300+ strong AdTech competence center, collaborate with top-tier global clients, and help shape the future of AI in advertising technology. Project Our Stellar AdTech Business Unit specializes in Advertising Technology solutions and has been delivering innovative systems to global AdTech leaders and startups since 2008. In this role, you will architect scalable AI-powered systems, translate complex business problems into actionable LLM-based solutions, and support presales by defining AI use cases, architectures, risks, and implementation roadmaps.Use our AI to tailor your resume for this PRINCIPAL AI ENGINEER position at Sigma Embedded Engineering AB.