Senior Fullstack Engineer: Java + React, Banking Onboarding

GFT Polska; Town of Poland (NY); Hybrid; USD 46,000 - 59,000; Full time

Job summary

GFT Polska is seeking a Senior Fullstack Consultant (Java + React) to join our team in a hybrid role. You will work on a modern client onboarding platform for Global Banking and Markets, building scalable backend services with Java and frontend features with React.

The position emphasizes REST APIs within a microservices architecture, automated testing, CI/CD collaboration, and strong security practices while enabling production support and platform improvements.

Qualifications

• Strong Java 8+ knowledge.
• Good knowledge of React JS.
• Experience debugging and extending existing applications.
• Understanding of microservices architecture.
• Ability to design and build REST APIs.
• Experience writing automated tests.
• Hands-on experience with CI/CD tools.
• Knowledge of application security practices.

Responsibilities

• Develop and maintain backend services using Java.
• Build modern frontend features using React.
• Extend existing functionalities and fix issues in the codebase.
• Design and implement REST APIs in microservices architecture.
• Write automated tests to ensure quality and reliability.
• Collaborate in CI/CD processes and deployments.
• Implement security best practices across services and endpoints.
• Improve application performance and production stability.
• Participate in platform and process improvement initiatives.
• Provide production support on a rotational basis.

Skills

Java 8+

React JS

Debugging

Microservices

REST APIs

Automated tests

CI/CD

Security practices

Problem solving

Team collaboration

Database design

Tools

PostgreSQL

Job description

GFT Polska is seeking a Senior Fullstack Consultant (Java + React) to join our team in a hybrid role. You will work on a modern client onboarding platform for Global Banking and Markets, building scalable backend services with Java and frontend features with React.

The position emphasizes REST APIs within a microservices architecture, automated testing, CI/CD collaboration, and strong security practices while enabling production support and platform improvements.