AI Backend Engineer – GenAI

Antal; Kraków; Híbrido; PLN 201 000 - 290 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

B2B cooperation through Antal

Hybrid working model

6 days per month from client’s Kraków–

Resumo da oferta

Antal is seeking an experienced AI Backend Engineer / Python Developer to join a team building enterprise-scale Generative AI solutions in Kraków. The role blends backend engineering with AI, focusing on agentic and multi-agent systems and evaluating AI components.

You will work on data sourcing, microservices, APIs, and RAG/memory/context engineering within a hybrid setup. Strong Python, FastAPI, and testing mindset are essential.

Qualificações

• Solid commercial experience in backend development.
• Strong Python and FastAPI knowledge.
• Experience with microservices and REST APIs.
• Hands-on with Generative AI and AI agents.

Responsabilidades

• Develop backend solutions for Generative AI and AI agents.
• Create agents sourcing data from various systems.
• Develop microservices and APIs integrated with GenAI.
• Work with RAG, memory stores and context engineering.
• Contribute to agentic and multi-agent systems.
• Ensure quality, reliability and scalability.

Conhecimentos

Python

FastAPI

Backend development

Generative AI / LLM

AI agents

REST APIs

Testing / QA

Cloud platforms

Databases

English communication

Ferramentas

MongoDB

PostgreSQL

Vector Stores

Hadoop

Starburst

GCP BigQuery

Google Cloud Platform

Azure

Descrição da oferta de emprego

Location: Kraków, hybrid, 6 days per month from the client’s office
Cooperation: Antal

We are looking for an experienced AI Backend Engineer / Python Developer to join a team developing enterprise-scale Generative AI solutions.

The team focuses on enabling GenAI models and AI agents to access and utilise data from various systems, unlocking new insights and supporting business processes. The role combines backend software engineering with AI, with a particular focus on building and evaluating agentic and multi-agent solutions.

We are looking for a strong developer with hands-on AI experience who is also open to working with evaluation and testing of AI systems.

Responsibilities

• Developing backend solutions for Generative AI and AI agents
• Creating agents that source data from various systems
• Developing microservices and APIs integrated with GenAI solutions
• Working with RAG, memory stores and context engineering
• Contributing to the development and evaluation of agentic and multi-agent systems
• Ensuring the quality, reliability and scalability of developed solutions

Requirements & Tech Stack

• Strong commercial experience in Software Engineering / Backend Development
• Very good knowledge of Python, including experience with FastAPI
• Experience developing microservices and REST APIs
• Hands-on experience with Generative AI / LLM-based solutions
• Experience or understanding of AI agents, multi-agent systems, RAG and Context Engineering
• Experience with databases and data technologies such as MongoDB, PostgreSQL, Vector Stores, Hadoop, Starburst or GCP BigQuery
• Experience with cloud environments, particularly Google Cloud Platform or Azure
• Familiarity with Google ADK, Memory Stores and Evaluation Systems will be an advantage
• Good understanding of automated testing and software quality
• Openness to working with evaluation and testing of AI agents
• English allowing comfortable work in an international environment

What we offer

• B2B cooperation through Antal
• Hybrid working model: 6 days per month from the client’s office in Kraków
• Opportunity to work on enterprise-scale Generative AI solutions
• Hands-on exposure to AI agents, multi-agent systems, RAG and AI evaluation
• A role combining backend software engineering with modern AI technologies