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Sigma Software Group

Principal AI Engineer

Kyiv, Kyiv city, UkrainePosted 1 months ago
Full-timeremoteMid-Senior Level

Job Description

 

  • 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)
  • 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 
  • Presales consulting, translating business problems into AI solutions 

Additional requirements:

  • 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
  • Experience: 5+ years in AI engineering or related roles

WILL BE A PLUS

  • Experience in AdTech domain
  • Experience integrating AI into legacy or enterprise systems
  • Familiarity with workflow automation tools
  • Knowledge of DevOps practices, CI/CD, containerization

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Principal AI Engineer at Sigma Software Group | Renata