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

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

Benefits offered by this job

Hybrid work in Kraków office

Medical and life insurance

Lunch subsidy

Online training and certifications

Social events

Job summary

GFT Technologies SE in Poland is seeking a Lead Full Stack Engineer to join a global Risk & Compliance team, focusing on Java/Spring backend with React/TypeScript frontend. You will drive design, development and delivery of modern applications and mentor peers.

You will build REST APIs, microservices and event-driven solutions, containerize with Docker/Kubernetes and contribute to cloud-native initiatives within an Agile Scrum environment.

Qualifications

• 8+ years of enterprise application development.
• Experience leading technical teams.
• Backend heavy with Java/Spring.
• Frontend contributions with React/TypeScript.
• Familiar with CI/CD and cloud.

Responsibilities

• 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 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

Skills

Java

Spring Framework

ReactJS

TypeScript

Microservices

Event-driven architecture

Tools

Swagger/OpenAPI

JUnit

Docker

Kubernetes

Jira

Confluence

Job description

Type of contract: Employment contract

Salary range: 17400 - 26700 PLN gross

What will you do?

As a Lead Full Stack Engineer, 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

Your skills

• 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

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

We offer

• Hybrid work in our client's office (Kraków) 8 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