Lead Fullstack Consultant (Kraków, PL, 30-302)

GFT Technologies
GFT Technologies

Software Engineering

Poland · Kraków, Poland

Posted on Aug 14, 2026

Type of contract: B2B contract

Salary range: 155 - 205 PLN/H

What will you do?

As a Lead Full Stack Consultant, you will join a global team delivering solutions within the Risk & Compliance area. You will be responsible for designing, developing and maintaining modern applications with a strong focus on backend engineering in Java and Spring while contributing to frontend development using React and TypeScript. You will play a key role in technical decision-making, solution design and ensuring high-quality software delivery.

Your tasks

  • Design and develop scalable backend services using Java and Spring
  • Build and maintain REST APIs and microservices
  • Contribute to frontend development using React and TypeScript
  • Prepare technical designs and solution documentation
  • Implement event-driven integrations and workflow-based solutions
  • Develop and support batch processing applications
  • Ensure application reliability through proper logging, monitoring and error handling
  • Create and maintain automated tests
  • Containerize and deploy applications using Docker and Kubernetes
  • Support cloud-native application development
  • Collaborate with cross-functional Agile teams
  • Provide technical leadership, mentoring and code reviews

Requirements

  • 8+ years of experience in enterprise application development
  • 2+ years of technical team leadership experience
  • Expert knowledge of Java and Spring Framework (Boot, Data, REST, Security)
  • Experience with microservices and micro-database architecture
  • Experience building event-driven systems
  • Experience with ReactJS and TypeScript
  • Experience with Swagger and OpenAPI
  • Experience with automated testing frameworks such as JUnit
  • Experience developing and supporting batch processing applications
  • Knowledge of logging, monitoring and production support practices
  • Hands-on experience with Docker and Kubernetes
  • Experience developing cloud-based applications
  • Experience using code quality and security scanning tools
  • Experience working in Agile Scrum teams using JIRA and Confluence
  • Openness to work hybrid from our client's office (Kraków) 8 days a month

Nice to have

  • Experience in Risk & Compliance projects
  • Knowledge of Model Risk Management
  • Spring Integration or Spring Batch
  • Experience with BPMN-based workflow solutions
  • Knowledge of Flowable, Activiti or Drools
  • Experience with WebSockets or SSE
  • Knowledge of micro-frontend architecture