Senior AI Engineer
nexos-ai
Vilnius
Posted Jul 20, 2026
- Full-time
- Remote
- Engineering & Product
Job description
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 .
**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 Ranges**
- Gross salary from 5600 EUR/Month (final compensation depends on exact experience)
**What We Offer**
- **Professional growth**. Internal and external events, online training, conferences, books - everything you need to reach your full potential.
- **Health benefits**. Private health insurance, online & on-site workouts (LT) / online workouts & sports access card (PL), 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.