Senior Java Backend Engineer | APIs & Microservices

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

Benefits offered by this job

Hybrid work model

Job summary

GFT Technologies SE is seeking a backend Java developer in Poland to design and evolve high-performance backend services and APIs for digital platforms in a global financial services client environment.

You will work hands-on in a collaborative international team, focusing on reliability, security, and engineering quality, with options for hybrid work and on-site collaboration. Strong Java and Spring skills, REST/microservices, and CI/CD experience are expected.

Qualifications

• Commercial experience with Java 8+ or 11+ or 17+

Responsibilities

• Design and develop backend services in Java
• Build and maintain RESTful APIs and microservices used at scale
• Collaborate with product managers, architects, and engineers to deliver new features
• Contribute to system design with focus on performance, reliability, and security
• Work in Agile delivery with CI/CD pipelines and DevOps ways of working
• Review code and write automated tests to ensure quality and maintainability
• Support applications in production and troubleshoot issues when needed
• Continuously improve code quality, tooling, and engineering practices

Skills

Java

Spring & Spring Boot

REST APIs

Microservices

SQL databases

CI/CD pipelines

Git

Maven/Gradle

Agile/DevOps

English communication

Hybrid work eligibility Kraków region

Hybrid work eligibility elsewhere

Tools

Docker

Kubernetes

AWS/GCP/Azure

Kafka/MQ

Job description

GFT Technologies SE is seeking a backend Java developer in Poland to design and evolve high-performance backend services and APIs for digital platforms in a global financial services client environment.

You will work hands-on in a collaborative international team, focusing on reliability, security, and engineering quality, with options for hybrid work and on-site collaboration. Strong Java and Spring skills, REST/microservices, and CI/CD experience are expected.