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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on optimizing AI solutions driving digital transformation. Key technologies include Python with asyncio, FastAPI, Pydantic, and AI agent frameworks like Claude Agent SDK and LangGraph. Responsibilities involve designing and maintaining AI agents in production, integrating solutions via REST APIs and Model Context Protocol, and building scalable, multi-agent workflows with human-in-the-loop. Required skills include Redis, Docker, and engineering best practices. The offer includes benefits such as healthcare and training co-financing.
from: 17 August 2026
to: 16 September 2026
150 - 170 złnet (+ VAT)/ hr.B2B contract (full-time)
Offer parameters
level:senior
working mode:remote
Warszawa, Włochy
Requirements
Expected technologies
Python
LangGraph
Agentic AI
FastAPI
Pydantic
LLM-based agents
Claude Agent SDK
Model Context Protocol
Redis
Optional technologies
Azure
Our requirements
- Proven experience as a Software Engineer with 1+ year of hands-on experience developing Agentic AI workflows.
- Strong Python skills, including asyncio, FastAPI, Pydantic, and automated testing with pytest / pytest-asyncio.
- Practical experience building LLM-based agents, including tool calling, structured outputs, multi-agent architectures, and cost/latency optimization using frameworks such as Claude Agent SDK or similar.
- Experience with LangGraph, including graph-based orchestration, stateful workflows, human-in-the-loop execution, durable checkpointing, and Agent-to-Agent (A2A) communication.
- Hands-on experience with Model Context Protocol (MCP) for building and integrating agent tools.
- Experience integrating enterprise applications through REST APIs using OAuth2 / Azure AD SSO.
- Knowledge of Redis / Redis Stack, Docker, and modern software engineering best practices.
- Professional English and strong collaboration skills.
Optional
- Experience with observability platforms such as OpenTelemetry, Datadog, or Langfuse.
- Familiarity with Azure services (Blob Storage, Managed Search).
- Experience with LLM evaluation frameworks (LLM-as-a-Judge).
- Knowledge of specification-driven development.
- Experience in tax or accounting domains.
Your responsibilities
- Design, develop, and maintain AI agents for a production-grade LLM and deterministic Python-based tax pipeline.
- Build planning and rollover agents using modern agentic workflow patterns.
- Integrate AI solutions with PwC applications through REST APIs and Model Context Protocol (MCP) tools.
- Develop agent-to-agent (A2A) compatible components for a graph-based orchestration platform built with LangGraph.
- Implement scalable, stateful multi-agent workflows with durable execution and human-in-the-loop capabilities.
- Build reliable, secure, and high-performance backend services using modern Python technologies.
- Collaborate with cross-functional teams to deliver enterprise AI solutions.
- Ensure code quality through automated testing, code reviews, and engineering best practices.
About the project
At Pretius, we are seeking an experienced AI Engineer to optimize AI solutions that drive our digital transformation services
What we offer
- We focus on long-term relationships based on fair principles and reliability.
- Co-financing of the Multisport card and Medicover private healthcare.
- Modern office available.
- Team bonding activities, internal courses, conferences, certifications.
Benefits
- sharing the costs of professional training & courses
- flexible working time
- integration events
- video games at work
- parking space for employees
- leisure zone
PRETIUS SOFTWARE SP. Z O.O.
Pretius is a Polish software company founded in 2006 in Warsaw. That's right - we have 19 years of experience in developing dedicated software systems. From the very beginning we have been working with market leaders in need of enterprise solutions. We can boast that as many as 93% of our clients, after completing their first project, either continue working with us straight away or come back after time with new projects. With over 180 specialists on board, we are able to take care of the full range of services - from business analysis, design and development to long-term maintenance. In 2016, we founded our sister company IN Team, specialising in body leasing, and in 2021 the Pretius Low-Code brand was launched.
This is how we work
AI Engineer
150–170 zł / hr. (B2B)
I apply to:
PRETIUS SOFTWARE SP. Z O.O.
Warszawa, Włochy
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Informujemy, że administratorem danych jest Pretius Software sp. z o.o. z siedzibą w Warszawie, ul. Żwirki i Wigury 16a (dalej jako "administrator"). Masz prawo do żądania dostępu do swoich danych osobowych, ich sprostowania, usunięcia lub ograniczenia przetwarzania, prawo do wniesienia sprzeciwu wobec przetwarzania, a także prawo do przenoszenia danych oraz wniesienia skargi do organu nadzorczego. Dane osobowe przetwarzane będą w celu realizacji procesu rekrutacji. Podanie danych w zakresie wynikającym z ustawy z dnia 26 czerwca 1974 r. Kodeks pracy jest obowiązkowe. W pozostałym zakresie podanie danych jest dobrowolne. Odmowa podania danych obowiązkowych może skutkować brakiem możliwości przeprowadzenia procesu rekrutacji. Administrator przetwarza dane obowiązkowe na podstawie ciążącego na nim obowiązku prawnego, zaś w zakresie danych dodatkowych podstawą przetwarzania jest zgoda. Dane osobowe będą przetwarzane do czasu zakończenia postępowania rekrutacyjnego i przez okres możliwości dochodzenia ewentualnych roszczeń, a w przypadku wyrażenia zgody na udział w przyszłych postępowaniach rekrutacyjnych - do czasu wycofania tej zgody. Zgoda na przetwarzanie danych osobowych może zostać wycofana w dowolnym momencie.
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