AI Engineer (LLM & Agentic Systems)

  •  Reference Number: 29215
  •  Posted: 16 września 2026
  •  Employment Type: Kontrakt
  •  Apply by: 16 października 2026

Public Description

AI Engineer (LLM & Agentic Systems)

Location: Remote (Poland only)
Start: ASAP / within 30 days
Type: Long-term engagement

We are looking for a AI Engineer to build and scale production-grade LLM solutions used by real customers. You will take AI features from concept to production, ensuring high quality, performance, observability, and reliability.

Responsibilities

  • Build end-to-end LLM applications using LangGraph and FastAPI
  • Design agentic workflows, RAG pipelines, and tool-calling solutions
  • Create evaluation frameworks and regression tests for LLM quality
  • Improve retrieval, prompting, and overall answer accuracy
  • Monitor and debug production AI systems using tracing and observability tools
  • Optimize latency, token usage, and infrastructure costs

Requirements

  • Minimum 4 years of experience.
  • Strong experience with backend development (APIs, async programming, testing)
  • Proven experience delivering and maintaining LLM solutions in production
  • Hands-on experience with LangGraph and RAG
  • Experience debugging AI systems, including evaluation, observability, and cost optimization
  • Cloud experience, preferably Azure
  • Strong analytical and problem-solving skills
  • English at minimum B2 level
  • Proactive, collaborative, and communicative approach

Nice to Have

  • Azure OpenAI
  • Azure AI Search
  • Azure App Service
  • Bicep (Infrastructure as Code)
  • Mentoring or Tech Lead experience

Tech Stack

Python, FastAPI, LangGraph, Azure OpenAI, Google Gemini, Anthropic Claude, FAISS, PostgreSQL, Langfuse, Azure Application Insights, Bicep, Docker/Podman.

What We Offer

  • Fully remote work within Poland
  • Long-term project
  • Private healthcare (Medicover)
  • Multisport card
  • Group life insurance
  • Opportunity to work on cutting-edge AI solutions at scale

Company Description

Experis to światowy lider rekrutacji specjalistów i kadry zarządzającej w kluczowych obszarach IT. Z nami znajdziesz konkurencyjne oferty zatrudnienia oraz ciekawe projekty IT skierowane zarówno do ekspertów z wieloletnim doświadczeniem, jak i osób, które dopiero zaczynają swoją przygodę w branży IT.

We offer recruitment of managers and highly qualified consultants with expertise in IT.Experis is part of ManpowerGroup and has been named one of the world's most ethical companies.
Warszawa, Mazowieckie
Agencja zatrudnienia – nr certyfikatu 412