JobCubby JobCubby
Sign up
GFT Technologies SE

Expert Java Consultant

GFT Technologies SE Krakow, Lesser Poland Voivodeship, Poland · PLN 322K–PLN 426K/yr

IT Services and IT Consulting · 10,001+ employees

Yesterday
java Principal (10+ yrs) Contractor Poland
Create a free account to apply — email only, no card. You can also save this posting or score it against your profile with AI.

About the role

You will design and develop enterprise-grade Java applications and high-performance real-time data platforms for financial services. The role involves leading architecture discussions, driving digital transformation, and collaborating with stakeholders to deliver scalable solutions.

What they look for

Java Spring Boot Flowable Azure Kafka Microservices Kubernetes Docker PostgreSQL Cosmos DB Redis REST APIs CI/CD Event-driven architecture Data integration System modernization

Requirements

Candidates must have 15+ years of Java development experience and strong expertise in Spring Boot and Flowable. Proficiency in Azure, Kafka, microservices, and distributed systems is essential for this role.

Full description

Type of contract: B2B contract

Salary range: 155-205 PLN/H

What will you do?

You will work on large-scale financial services platforms supporting investment banking operations, focusing on digital transformation, process automation, data integration, and application modernization initiatives. The role involves designing and delivering high-performance, real-time data solutions, driving architecture decisions, and collaborating with business and technology stakeholders in a highly regulated environment.

Your tasks

  • Design and develop enterprise-grade Java applications and microservices
  • Build high-performance real-time streaming and time-series data platforms
  • Lead architecture and technical design discussions across teams
  • Implement process automation and system modernization initiatives
  • Integrate distributed systems and data platforms using event-driven architectures
  • Collaborate with business stakeholders to translate requirements into scalable solutions
  • Ensure application security, reliability, scalability, and performance
  • Promote AI-assisted software development practices and engineering excellence
  • Support cloud-native deployments and platform optimization on Azure

Requirements

  • 15+ years of experience with Java development
  • Strong expertise in Flowable and Spring Boot
  • Experience with ORM frameworks including JPA and iBatis
  • Knowledge of Azure AD, OAuth and application security best practices
  • Hands-on experience with Kafka and event-driven architectures
  • Experience with Cosmos DB, PostgreSQL and Redis
  • Experience designing and developing REST APIs, microservices and distributed systems
  • Strong knowledge of Microsoft Azure, Docker and Kubernetes
  • Experience with Maven, Gradle and modern CI/CD practices
  • Expertise in high-performance, high-throughput real-time data platforms and streaming architectures
  • Strong understanding of Computer Science fundamentals and SDLC
  • Experience with AI-assisted software development
  • Excellent communication skills and ability to translate business requirements into scalable technology solutions
  • Openness to work hybrid from our client's office (Kraków) 3 days a week

Nice to have

  • Experience in the Client Lifecycle domain

Similar roles