Senior AI Backend Engineer: Python & Java

GFT Technologies SE; Kraków; Hybrid; PLN 172,000 - 220,000; Full time

Job summary

GFT Technologies SE is hiring an AI/GenAI engineer in Kraków on a hybrid B2B contract. You will build production-grade AI/GenAI solutions using Python and integrate with Java services in an enterprise ecosystem, emphasizing security, testing and governance.

You will design LLM-based capabilities, RAG pipelines, agentic workflows and secure APIs, while contributing to CI/CD pipelines and technical design decisions. Collaboration with architects, QA and operations is required.

Qualifications

• 4+ years of professional software engineering experience in Python and Java.
• Hands-on experience building AI and GenAI solutions.
• Knowledge of LLM capabilities, limitations and safe usage patterns.
• Experience with design of RAG solutions and agentic workflows.
• Experience with CI/CD pipelines and cloud platforms (Azure preferred).

Responsibilities

• Design and develop production-grade AI and GenAI solutions in Python.
• Build and integrate LLM-based applications and RAG pipelines.
• Develop secure APIs, microservices and integration components.
• Integrate Python solutions with existing Java services and enterprise platforms.
• Implement logging, monitoring, and tracing; ensure security and governance.

Skills

Python

Java

AI/GenAI

LLM capabilities

RAG pipelines

REST APIs

CI/CD pipelines

Azure

Tools

Spring Boot

Kubernetes

Containers

Service mesh

Job description

GFT Technologies SE is hiring an AI/GenAI engineer in Kraków on a hybrid B2B contract. You will build production-grade AI/GenAI solutions using Python and integrate with Java services in an enterprise ecosystem, emphasizing security, testing and governance.

You will design LLM-based capabilities, RAG pipelines, agentic workflows and secure APIs, while contributing to CI/CD pipelines and technical design decisions. Collaboration with architects, QA and operations is required.