nexos.ai

Senior AI Engineer

nexos.ai
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4 months ago
Kaunas, Lithuania or Vilnius, LithuaniaSenior

Responsibilities

  • Lead AI/ML innovations from research ideas and proofs of concept through full product feature development.
  • Experiment hands-on with AI frameworks and tooling for context management, memory, retrieval, agentic loops, A2A, and related use cases.
  • Evaluate proprietary and open-source LLMs for performance, cost, and other metrics.
  • Participate in product discovery with product managers and deliver features within cross-functional teams.
  • Build and maintain scalable, production-grade AI systems and applications.
  • Optionally promote AI adoption and understanding as an internal and external AI evangelist.

Requirements

  • Demonstrated experience delivering AI/ML projects in production.
  • Professional expertise building production-grade applications and designing, executing, and maintaining scalable AI systems.
  • Extensive experience with AI developer frameworks and tooling.
  • Strong understanding of large language models, embeddings, multimodality, and AI architectures.
  • Expertise in context engineering and deployed evaluations.
  • Understanding of software engineering best practices and developing proofs of concept and MVPs under microservice architectures.
  • Ownership, accountability, effective work planning, and a creative, execution-focused approach.
  • Experience building complex agentic systems and related tooling is a bonus.
  • Deep expertise in data science methodologies, ML algorithms, and NLP techniques is a bonus.

Benefits

  • Professional growth through internal and external events, online training, conferences, and books.
  • Health benefits including private health insurance, workouts, sports access, and consultations, with offerings varying by location.
  • Team-building events, parties, games, shows, tastings, food coupons, and gifts.
  • Additional vacation days based on tenure.
  • Additional paid leave for illness or special occasions.
  • Flexible working time arrangement.

Categories

nexos.ai

About nexos.ai

51-200 employees

Nexos.ai builds an AI Gateway and Workspace that give companies a single, EU-hosted API and no-code layer to access, route, and monitor 200+ models (Claude, GPT, Gemini, Mistral). The platform adds spend tracking, rate limiting, failover, and compliance controls, letting teams swap providers without rewriting code. Founded in 2024 and headquartered in Vilnius, the privately held company sells usage-based SaaS to engineering and operations teams deploying LLM-powered workflows.

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