Senior Backend Architect for AI-Driven Microservices

GFT Technologies SE; Kraków; Hybrid; PLN 276,000 - 365,000; Full time

Job summary

GFT Technologies SE in Kraków is seeking an experienced software engineer to design, develop, and support Java microservices within a large enterprise transformation. You will work with architects, QA, SRE, and platform teams to deliver secure, scalable solutions in a regulated environment.

The role emphasizes GenAI-enabled SDLC practices, LLM usage, RAG concepts, and governance, with hybrid work 8 days a month from the Kraków client office.

Qualifications

• 8+ years of professional software engineering experience.
• Strong Python development in enterprise-scale environments.
• Experience with Java microservices based on Spring Boot.
• Experience in enterprise-scale environments.
• Strong knowledge of Oracle or PostgreSQL databases.
• Experience with schema design, performance optimization, and transactional systems.
• Strong unit and integration testing with JUnit, Mockito, Testcontainers.
• Experience with API and contract testing, CI/CD, and security standards.

Responsibilities

• Build, test, release, and support Java microservices.
• Contribute to solution design and integration patterns.
• Identify and resolve technical risks and blockers.
• Follow engineering standards and CI/CD practices.
• Deliver robust unit, integration, and contract testing.
• Participate in design, code, and security reviews.
• Use GenAI tools while ensuring security and governance.
• Build production-ready services with observability and operability.
• Collaborate with cross-functional teams and engineers.

Skills

Java

Python

Spring Boot

CI/CD

Azure

REST APIs

GenAI / AI governance

Security-by-design

Leadership

Team collaboration

Tools

JUnit

Mockito

Testcontainers

GitLab

Jenkins

Kubernetes

SQL

Job description

GFT Technologies SE in Kraków is seeking an experienced software engineer to design, develop, and support Java microservices within a large enterprise transformation. You will work with architects, QA, SRE, and platform teams to deliver secure, scalable solutions in a regulated environment.

The role emphasizes GenAI-enabled SDLC practices, LLM usage, RAG concepts, and governance, with hybrid work 8 days a month from the Kraków client office.