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Shelf

Senior Data Scientist, Machine Learning Engineer

Warszawa
4 months ago

In short

Senior Data Scientist/ML Engineer for Shelf in Warszawa. Deliver end-to-end ML/LLM-driven services. Requires Python engineering, ML engineering, and research. B2B contract, stock options, MacBook Pro. Modern tech stack, AI dev environment.

AI-written summary based on the listing content.

The enterprise is going agentic — but most AI agents fail when they hit real business complexity. Shelf is changing that.

We’ve built the operating system for agentic AI: a platform that models your policies, workflows, and operational logic into an AI Data Model so agents don’t just respond — they reason. The result? AI that understands how your business actually runs and delivers precise, compliant, auditable outcomes at scale.

Brands like Amazon, Nespresso, HelloFresh, and KeyBank trust Shelf to power AI agents that resolve 85% of cases autonomously, cut handle times by 20–25%, and turn hours-long processes into seconds. We’re partnered with Microsoft, Salesforce, OpenAI, Snowflake, and Databricks — and recognized by Gartner (Cool Vendor) and IDC (Innovator) for our approach.

If you want to sell the infrastructure that makes agentic AI actually work in the enterprise, you’re in the right place.

Our mission is to empower humanity with better answers everywhere.

The R& D department plays a pivotal role in driving Shelf to disrupt the market. We are looking for Machine Learning experts that are able to deliver end to end with a blend of experience: Python engineering, ML engineering, and pragmatic Data science and Machine learning research. You will ship end-to-end features—from problem framing and experimentation to service deployment, and ongoing operations—quickly and with high quality. Your work will power ML- and LLM-driven services used by top enterprises like Amazon, Mayo Clinic, AmFam, and Nespresso.

This role requires strong Python engineering capabilities coupled with a strong ability to deliver robust ML solutions, along with ML research literacy to choose sound methodologies, define metrics, and evaluate different approaches effectively.

You’ll work in an agile environment, move fast, and own what you ship.

What Shelf Offers

  • B2B contract
  • Company Stock Options
  • Hardware: MacBook Pro
  • Modern technical stack. Develop open-source software
  • Premier AI development environment: GitHub Copilot, Claude Code, OpenAI, TypingMind, v0, MCP Servers, plus credits to experiment with emerging AI tools

Why Shelf

  • Our Leadership Team has deep knowledge management and AI domain expertise and enterprise SaaS background to execute this plan
  • We love our customers and our customers love us. Ask a Shelf customer why, and they’ll tell you it’s because of our innovative capabilities, rock-solid reliability, they truly enjoy working with our people, but most of all – it’s the improvements they see in their business KPIs.
  • We have raised over $60 million in funding and our investors include Tiger Global, Insight Partners, Connecticut Innovations, and others
  • We have high velocity growth powered by the most innovative product in our category, 3X growth for 3 years in a row
  • We now have over 100 employees in multiple U.

S. states and European countries, and we have ambitious hiring goals over the next few months

Published 2026-05-22
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