We support enterprises, product houses, and startups with custom software solutions development and IT consulting.
Principal AI Engineer
Location
Ukraine
Posted
14 days ago
Salary
0
Seniority
Lead
Job Description
Principal AI Engineer
Sigma Software Group
• Consult clients during presales to assess AI readiness, constraints, and success criteria, translating visions into actionable requirements • Prepare and present presales deliverables including architecture diagrams, assumptions, risks, estimates, scalability considerations, and implementation roadmaps • Define AI use cases and agentic scenarios based on client needs • Select and justify LLMs per use case based on requirements, cost, latency, safety, capability • Architect multi-agent frameworks with orchestrator agents and MCP-style protocols • Design and implement single-agent/multi-agent AI systems with defined roles, tool access, memory, safety boundaries • Build orchestration logic (routing, delegation, retries, fallback strategies, consensus, human-in-the-loop flows) • Develop RAG pipelines (data ingestion, chunking, embeddings, vector databases, hybrid retrieval, relevance optimization) • Implement learning & feedback loops for continuous agent improvement • Design custom or adapted models (prompt-tuned agents, LoRA fine-tuning, domain-inherited models)
Job Requirements
- 5+ years in AI engineering or related roles
- Designing and building AI-powered systems in production
- Agentic frameworks, multi-agent collaboration, orchestrator/worker models
- RAG pipelines, relevance tuning
- Python and/or TypeScript, API design, microservices, cloud-native architectures
- Practical knowledge of multiple LLM providers (OpenAI, Anthropic, open-source)
- Ability to build/adapt models (prompt-tuned agents, LoRA fine-tuning, inheritance from foundation models)
- Knowledge of AWS Bedrock, Azure OpenAI, GCP Vertex AI
- Understanding governance, security, data residency, pricing models, enterprise integration for cloud AI platforms
- Production-grade mindset: observability, logging, security, PII handling, cost-efficiency
- Strong communication skills for explaining AI concepts to non-technical stakeholders
- English level: Upper-Intermediate
Benefits
- Flexible hybrid/remote work option
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