Team Lead Fullstack Engineer (Kraków, PL, 30-302)

GFT Technologies SE; Kraków; Hybrid; PLN 194,000 - 298,000; Full time

Benefits offered by this job

Hybrid work 6 days/mo in Kraków

Medical insurance

Sport benefits

Lunch subsidy

Life insurance

Training & certifications

E-learning platform

Job summary

GFT Technologies SE in Kraków is seeking an seasoned Backend Engineer to join the Risk & Compliance team. You will design, build, and maintain enterprise-grade applications with Java and Spring, while contributing to React/TypeScript frontend work when needed.

The role blends hands-on engineering, architecture, leadership, and collaboration within Agile delivery teams. You will mentor peers, drive technical quality, and ensure production readiness through robust testing, logging, and deployment

Qualifications

• 8+ years of enterprise app development.
• 2+ years of technical team leadership.
• Strong Java and Spring stack expertise.
• Experience with microservices and micro-databases.
• Event-driven systems experience.
• ReactJS and TypeScript experience.
• API specs using Swagger/OpenAPI.
• Solid automated testing (JUnit).
• Hands-on Docker and Kubernetes.
• Cloud services development experience.
• Agile Scrum with JIRA/Confluence.

Responsibilities

• Design, build, and support backend services and APIs with Java/Spring.
• Create technical designs and UML diagrams.
• Deliver end-to-end features across backend/frontend.
• Implement microservices and API contracts.
• Build integrations with event-driven patterns.
• Develop BPMN-based workflow capabilities.
• Ensure production readiness with logging and resilience.
• Develop and maintain batch processing solutions.
• Drive software quality with automated testing and code scanning.
• Containerize and deploy with Docker/Kubernetes.
• Collaborate in Agile Scrum teams using JIRA/Confluence.
• Provide technical leadership and mentoring.

Skills

Java

Spring Boot

Microservices

ReactJS

TypeScript

Swagger/OpenAPI

JUnit

Docker

Kubernetes

Agile Scrum

JIRA/Confluence

Cloud services

Event-driven

Tools

Swagger/OpenAPI

JIRA

Confluence

Docker

Kubernetes

Job description

Type of contract: Employment contract

Salary range: 17400-26700 PLN gross

What will you do?

Join a technology team within Risk & Compliance focused on Model Risk Management and Operational Risk Management solutions. You will design, build, and support enterprise-grade applications with a strong emphasis on backend development using Java and Spring technologies while contributing to React and TypeScript front-end delivery when required. The role combines hands-on engineering, solution design, technical leadership, and close collaboration with Agile delivery teams to build resilient, scalable, and production-ready platforms.

Your tasks

• Design, build, and support backend services and APIs using Java and Spring
• Create solution designs and technical documentation including UML diagrams
• Deliver end-to-end features across backend and frontend components
• Implement microservices and micro-database architectures with clear API contracts
• Build integrations using event-driven architecture patterns
• Develop workflow-driven capabilities using BPMN-based solutions
• Ensure production readiness through logging, monitoring, resilience, and error handling
• Develop and maintain batch processing solutions
• Drive software quality through automated testing and code scanning
• Containerize and deploy applications using Docker and Kubernetes
• Collaborate within Agile Scrum teams using JIRA and Confluence
• Provide technical leadership, mentoring, and delivery guidance to team members

Your skills

• 8+ years of enterprise application development experience
• 2+ years of technical team leadership experience
• Strong expertise in Java
• Strong expertise in Spring Boot, Spring Data, Spring REST, Spring Security, and Spring Profiles
• Hands-on experience with microservices architecture
• Hands-on experience with micro-database architecture
• Experience with event-driven systems
• Experience with ReactJS
• Experience with TypeScript
• Experience creating API specifications using Swagger or OpenAPI
• Strong automated testing skills with JUnit and mocking frameworks
• Experience supporting batch processing applications
• Strong understanding of logging and error handling practices
• Hands-on experience with Docker
• Hands-on experience with Kubernetes
• Cloud services development experience
• Experience with code scanning and remediation of security and quality findings
• Experience working in Agile Scrum environments
• Experience using JIRA and Confluence

Nice to have

• Knowledge of Risk & Compliance domain
• Knowledge of Model Risk Management
• Experience with Spring Integration
• Experience with Spring Batch
• Experience with WebSockets
• Experience with Server-Sent Events (SSE)
• Experience with binary communication protocolsExperience with BPMN
• Experience with Flowable
• Experience with Activiti
• Experience with Drools
• Working knowledge of micro-frontends

We offer

• Hybrid work in our client's office (Kraków) 6 days a month
• 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
• Social events