AI Engineer | Senior
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AI Engineer | Senior at nexos.ai: Warsaw, Польща; На місці; IT; Data Science та ML. JobGrid adds normalized role facts, source context, and a path to the employer application page so candidates can compare the listing before applying.
- Location and workplace: Warsaw, Польща, На місці
- Role classification: IT, Data Science та ML
- Source freshness: checked by JobGrid on 2026-05-28.
- Application path: candidates continue to the employer application page with non-personal referral tags.
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.
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.