AI Engineer

Expected, Python, LangGraph, Agentic AI, FastAPI, Pydantic, LLM-based agents, Claude Agent SDK, Model Context Protocol, Redis Optional, Azure About the project, At Pretius, we are seeking an experienced AI Engineer to optimize AI solutions that drive our digital transformation services 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. 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. 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,