Senior Java Engineer

GFT TECHNOLOGIES SE; Poznań; On-site; PLN 162,712 - 249,426; Full time

Benefits offered by this job

Medical insurance

Sport benefits

Lunch subsidy

Life insurance

Online training

Work From Anywhere

Social events

Job summary

GFT TECHNOLOGIES SE is hiring for a backend developer in Poznań. The role involves designing and developing high-performance backend services in Java, collaborating closely with cross-functional teams. Candidates should have commercial experience with Java, familiarity with REST APIs, and strong knowledge of Spring frameworks. This hybrid position allows for flexible working arrangements, with a competitive salary range of 14580–22350 PLN gross per month and a comprehensive benefits package.

Qualifications

• Commercial experience with Java 8+, 11+, or 17+.
• Strong knowledge of Spring and Spring Boot.
• Hands-on experience with REST APIs and microservices.
• Experience with SQL databases like PostgreSQL or Oracle.
• Very good English communication skills.

Responsibilities

• Design and develop backend services in Java.
• Build and maintain RESTful APIs and microservices.
• Collaborate with teams to deliver new features.
• Support applications in production and troubleshoot issues.
• Continuously improve code quality and engineering practices.

Skills

Java 8+

Spring

Spring Boot

REST APIs

Microservices architecture

SQL databases

CI/CD pipelines

Git

Maven

Gradle

Agile

DevOps

English communication

Tools

AWS

GCP

Azure

Docker

Kubernetes

Kafka

Job description

Location: Kraków, PL; Warszawa, PL; Łódź, PL; Poznań, WP, PL

Working place: Hybrid

Type of contract: Employment contract

Salary range: 14580–22350 PLN gross per month

What will you do?

You will build and evolve high-performance backend services and APIs for modern, large-scale digital platforms used by a global financial services client, working hands‑on in a collaborative international environment with a strong focus on reliability, security, and engineering quality.

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

Qualifications

• Commercial experience with Java 8+ or 11+ or 17+
• Strong knowledge of Spring and Spring Boot
• Hands‑on experience with REST APIs
• Hands‑on experience with microservices architecture
• Experience with SQL databases such as PostgreSQL or Oracle
• Familiarity with CI/CD pipelines
• Experience with Git
• Experience with Maven or Gradle
• Experience working in Agile or DevOps teams
• Very good English communication skills

Nice to have

• Experience with AWS or GCP or Azure
• Experience with Docker
• Experience with Kubernetes
• Experience with Kafka or MQ or other event‑driven messaging systems
• Experience in banking, finance, or other regulated environments

We offer

• Openness to hybrid work 2 days a week from our client office (for candidates from Kraków) and 6 days per month for candidates based outside Kraków
• Working in a highly experienced and dedicated team
• Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.)
• Online training and certifications
• Access to e‑learning platform
• Work From Anywhere (up to 140 days/year abroad)
• Social events