Lead Fullstack Engineer

GFT Technologies Poland; Kraków; Hybrid; PLN 260,000 - 340,000; Full time

Benefits offered by this job

Hybrid work in Kraków (8 days/mo)

Medical insurance

Lunch subsidy

Life insurance

Job summary

GFT Technologies Poland seeks a Lead Full Stack Engineer to join a global Risk & Compliance team. You will design, develop, and maintain modern applications with a strong backend focus in Java and Spring while contributing to frontend work using React and TypeScript.

You will guide technical decisions and ensure high-quality software delivery. You will design scalable backend services, REST APIs, and microservices, containerize with Docker and Kubernetes, and mentor a technical team in an agile

Qualifications

• 8+ years of enterprise application development experience.
• 2+ years of technical team leadership experience.
• Expert knowledge of Java and Spring Framework (Boot, Data, REST, Security).
• Experience with microservices and micro-database architectures.
• Experience building event-driven systems and ReactJS/TypeScript.
• Proficiency with Swagger/OpenAPI and automated testing (JUnit).
• Hands-on Docker and Kubernetes, cloud-based apps, and CI/CD practices.
• Experience in Agile Scrum teams using JIRA and Confluence.

Responsibilities

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

Skills

Java and Spring expertise

ReactJS

TypeScript

Docker

Kubernetes

REST APIs

Microservices

JUnit

Agile/Scrum (JIRA/Confluence)

Code reviews

Tools

Docker

Kubernetes

Swagger/OpenAPI

Jira

Confluence

ReactJS

TypeScript

Spring Boot

Spring Data

Spring Security

Job description

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.

• 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
• Collaborate with cross-functional Agile teams
• Provide technical leadership, mentoring and code reviews
• 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.)