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Senior AI Engineer

Omnes Group

Full time Remote / Hybrid - Serbia / Belgrade

Job description

We are looking for a Senior AI Engineer to design, build, and deploy high-quality AI-powered features. This role focuses on owning end-to-end implementation of AI systems within a product area – from prototyping to production, with a strong emphasis on reliability, iteration, and measurable impact.

Responsibilities

You will work closely with product and engineering teams to turn ambiguous problems into effective AI solutions, while contributing to best practices and raising the bar for AI development.

Key Responsibilities

  1. End-to-End AI Feature Ownership
    Design and implement AI-powered features (LLM workflows, copilots, automation flows)
    Own the full lifecycle: prototyping → evaluation → production deployment → iteration
    Ensure solutions are reliable, performant, and aligned with product needs
  2. AI System Implementation
    Build and optimize:
    Prompt pipelines for specific use cases
    Retrieval systems (embeddings, chunking, ranking)
    RAG-based workflows where needed
    Iterate on outputs to improve quality, accuracy, and consistency
  3. Experimentation & Evaluation
    Run structured experiments to compare approaches (prompting, retrieval, models)
    Define and track key metrics for AI performance (quality, latency, cost)
    Debug and improve non-deterministic system behavior
  4. Collaboration & Contribution
    Partner with product managers and designers to scope AI features
    Contribute to shared patterns and reusable components
    Participate in code reviews and design discussions
    Support and mentor mid-level engineers where needed

Requirements

Skills & Expertise

  • Core AI Skills
  • Strong understanding of LLM capabilities and limitations
  • Experience with prompt engineering and structured output design
  • Hands-on experience with embeddings and vector search
  • Familiarity with RAG architectures and when to apply them

Engineering Skills

  • Solid backend/system design fundamentals
  • Experience building and deploying production-grade systems
  • Ability to debug complex issues, including probabilistic outputs
  • Comfort working with APIs, pipelines, and data flows

Product Thinking

  • Ability to translate user needs into effective AI solutions
  • Strong intuition for balancing quality, latency, and cost
  • Focus on delivering measurable product impact

Collaboration

  • Communicates clearly across engineering and product teams
  • Contributes to team knowledge and shared practices