Forward Deployed Engineer

Bonapolia; Polska; Remote; PLN 262,000 - 393,000; Full time

Job summary

Bonapolia, a family-owned IT staff augmentation team, seeks an experienced engineer to deliver production-grade LLM applications with RAG, prompt design, and structured output. You will work with React/TypeScript frontend and Python back-end teams across Europe and the US, on projects leveraging Azure, Langfuse, and OpenAI APIs.

Strong English communication is required, along with the ability to guide sessions with senior stakeholders and handle ambiguity in fast-paced client environments.

Qualifications

• Must have hands-on experience delivering at least one LLM application to production.
• Experience with prompt design and structured output for LLMs.
• Strong understanding of vector search and document parsing.

Responsibilities

• Lead sessions with non-technical senior stakeholders, providing clear status updates.
• Deliver production-ready LLM applications to clients with RAG architectures.
• Collaborate with product teams across Europe and the US to ensure client success.
• Handle ambiguity and communicate effectively in English with clients and engineers.

Skills

React/TypeScript

Python (FastAPI)

LLM production

RAG & prompt design

Vector search

Langfuse

Azure

Client-facing

English fluency

Education

Bachelor's degree in CS or related field

Tools

Azure Cloud

Entra ID / SSO

Langfuse

OpenAI API

Job description

About Bonapolia

Bonapolia is a family-owned IT staff augmentation team based in Lisbon. We build engineering teams for product companies and IT consultancies across Europe and the US.

About Bonapolia

Bonapolia is a family-owned IT staff augmentation team based in Lisbon. We build engineering teams for product companies and IT consultancies across Europe and the US.
More at bonapolia.com

What we offer

• Model: B2B contract with Bonapolia - one contract, one monthly invoice
• Rate: negotiated per candidate seniority and client budget
• Payment: monthly invoice, paid on the same schedule the client pays us (usually 30 days)
• Contract written under your country's law
• We handle the client-side paperwork: MSA, NDA, invoicing
  

Duration:

Until the end of 2026, with a potential extension into 2027

Location:

EU, Eastern Europe, or other locations

Working hours:

US working hours.

Must-have qualifications:

• Strong React/TypeScript and Python skills (FastAPI or similar).
• Experience delivering at least one LLM application to production, including RAG, prompt design, structured output, and OpenAI API.
• Hands-on experience with vector or hybrid search and document parsing (PDF, Word, Excel).
• Experience with LLM evaluation and observability tools (Langfuse or similar).
• Working knowledge of Azure, including VMs, application hosting, and Entra ID/SSO.
• Strong client-facing skills, including the ability to lead sessions with non-technical senior stakeholders, provide clear status updates, and work effectively with ambiguity.
• Fluent spoken and written English.

Nice to have:

• MCP server development or Claude/agent integrations.
• Experience with PII and GDPR handling, including Presidio and EU data residency.
• Background in finance, private equity, or M&A due diligence.

Ready to Join?

We look forward to receiving your application and welcoming you to our team!