• Location
  • Vilnius, Lithuania
  • Last Published
  • May. 16, 2026
  • Sector
  • AI/ML
  • Functions
  • Software Engineering
  • Data Science
Join the AI revolution. We’re building an all-in-one AI platform to help teams do their best work and automate every routine task you can think of. We’re looking for problem-solvers to turn powerful AI into an easy, no-code tool for teams everywhere.

Main Responsibilities

  • Lead AI/ML innovations - from coming up with ideas for research, POCs, to contributing to full product feature build out
  • Act as GenAI expert - live and breathe AI field news and trends
  • Hands-on work trying out new concepts, AI frameworks and tooling around them for different use cases - context management, memory, retrieval, agentic loop, A2A and many other solutions
  • Be part of product development - from discovery together with PMs to delivery within cross-functional teams
  • Evaluate new LLMs (proprietary and OSS), and assess for performance, cost, and other metrics
  • Bonus: act as AI evangelist to promote the adoption and understanding of AI both within and outside nexos.ai




Core Requirements

  • Strong record of work on AI/ML projects in production
  • Professional expertise in building production grade applications; designing, executing, and maintaining scalable AI systems
  • Vast experience using different AI developer frameworks and tooling
  • Solid understanding of large langauge models, embeddings, multimodality, and different AI architectures
  • Expertise in context engineering and deployed evaluations
  • Sense of ownership and accountability, capable of planning your work effectively
  • Get Things Done attitude, mixed with a creative approach when needed
  • Understanding of software engineering best practices and developing POCs and MVPs under microservice architectures




Bonus Point For

  • Experience building complex Agentic systems and tools powering them
  • Deep expertise in data science methodologies, ML algorithms, and NLP techniques




Salary Range

  • Gross Salary 3900 - 7800 EUR per month




What We Offer

  • Professional growth. Internal and external events, online training, conferences, books - everything you need to reach full potential
  • Health benefits. Private health insurance, online and on-site workouts, consultations to feel and be your best
  • Team spirit. Team buildings and parties with games, shows, tastings, food coupons, gifts, and it’s on us
  • More free time. Stay with us and additional vacation days will be added to your calendar
  • Additional paid leave. Additional days are covered by us in cases of illness or special occasions
  • Flexibility. Flexible working time arrangement




View our guidelines for AI usage during hiring process: AI guidelines

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.