Opis oferty

AI Engineer w Warszawa, Polska

DELVE sp. z o.o.

  • KontraktUmowa czasowa lub freelancing

Warszawa, Polska

Your responsibilities

  • Agent Development: Build, iterate, and maintain AI agents within the architecture and boundaries defined by the Lead AI Engineer. Own your agents end-to-end: prompt design, tool wiring, context routing, failure handling, and output validation.
  • Data Integration: Integrate data components across media platforms — ingesting, normalizing to schema, and routing to the correct agent context. Work within defined data contracts and surface schema drift before it becomes a runtime failure.
  • Evaluation-First Development: No feature enters development without defined success criteria and regression tests. Run prompt benchmarking, track output quality across model versions, and flag hallucination patterns or quality regressions proactively. Evaluation is not a post-build step.
  • Pipeline & ETL Work: Build and maintain ETL/ELT pipelines supporting daily automated callouts and weekly optimisation reporting. Own data freshness and pipeline reliability for the agents you are responsible for.
  • MCP Connector Work: Operate within and extend the MCP connector library for external platform APIs. Handle rate limits, retries, and failure modes — connectors must be resilient in production, not just in testing.
  • Human-in-the-Loop Workflows: Build and maintain Slack-based approval flows — agent callouts, feedback capture, exception alerts, and operational notifications. These are the primary interface between the AI system and human decision-makers.
  • Production Reliability: Own the reliability of your agents in production. Monitor output quality, respond to incidents, drive root-cause fixes rather than surface patches. Alert the Lead AI Engineer early on scope or complexity that affects delivery.

Our requirements

  • 4+ years across software, data engineering, ML, or AI platform work with direct ownership of production systems.
  • Experience with media platform APIs (Google Ads, Meta, DV360, Semrush, SerpAPI).
  • Strong Python and SQL — production-grade, not just analytical scripts.
  • MCP or equivalent integration layer experience.
  • Hands-on experience building or operating LLM applications, agentic systems, or tool-calling workflows.
  • Workflow orchestration tooling: Airflow, Dagster, Prefect, dbt.
  • ETL/ELT pipeline design and data reliability in production — schema management, contract enforcement, freshness monitoring.
  • Cloud infrastructure: AWS, GCP, or Azure; containerized deployments (Docker).
  • Experience defining evaluation frameworks and success criteria for model outputs.
  • Slack API and webhook-based workflow automation.
  • Familiarity with vector databases and RAG patterns for long-context data retrieval.
  • Experience shipping systems that mix model logic, deterministic business rules, and human approval flows.
  • LLM evaluation tooling — token cost tracking, hallucination detection, model benchmarking.

What we offer

  • Hybrid working model: three days in the office (Tuesday to Thursday).
  • A competitive salary with opportunities for growth.
  • Private medical care at Medicover.
  • Multisport card.
  • Annual education budget of $250.
  • Generous employee referral program.
  • Catered office lunch every Tuesday.
  • Snacks and occasional breakfasts available in the office.

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