The employment agency - Certificate No. 412
AI Engineer (LLM & Agentic Systems)
Reference Number: 29215
Posted: 16 September 2026
Form of employment: Contract
Apply by: 16 October 2026
Functieomschrijving
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
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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.
jefferson Wells is Norway's largest consulting & recruitment company with over 800 consultants. We offer recruitment of managers and highly qualified consultants with expertise in IT. Among our customers, you will find over 90 percent of Norway's largest listed companies. Experis is part of ManpowerGroup and has been named one of the world's most ethical companies.

