Senior Fullstack Engineer (Java + React)

GFT Polska; Town of Poland (NY); Hybrid; USD 44,000 - 67,000; Full time

Benefits offered by this job

Hybrid work in Kraków office

Medical, sport, lunch subsidy, life 보험

Online training and certifications

Access to e-learning platform

Social events

Job summary

GFT Polska in Kraków is seeking a Senior Fullstack Engineer to develop a modern onboarding platform for global banking clients. You will design and implement backend services in Java and frontend features in React, focusing on performance, scalability, and secure REST APIs within a microservices setup.

The role involves collaborating in a fast-paced team, writing automated tests, and contributing to CI/CD workflows while providing production support as needed.

Qualifications

• Strong Java 8+ knowledge and React JS proficiency.
• Experience debugging and extending existing applications.
• Understanding of microservices architecture and REST API design.
• Experience writing automated tests and using CI/CD tools.
• Knowledge of application security practices and production stability.

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 a 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

Application security

Problem solving

Team collaboration

Tools

PostgreSQL

Job description

Senior Fullstack Engineer (Java + React)

Senior Fullstack Engineer (Java + React)

Kraków, PL, 30-302 Poznań, WP, PL, 61-569 Warszawa, PL, 00-839 Łódź, PL, 90-118

Type of contract: Employment contract
Salary range: 14600 - 22300 gross/month

What will you do?

You will work on a modern client onboarding platform for Global Banking and Markets, building a seamless and user-friendly experience for corporate and institutional clients. The role focuses on developing scalable solutions, improving performance and stability, and contributing to innovative initiatives that enhance customer experience and streamline onboarding processes.

Your tasks:

• 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

Your skills:

• 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
• Strong problem-solving and analytical skills
• Ability to work in fast-paced collaborative environment
• Good understanding of database schema design

Nice to have:

• Knowledge of PostgreSQL
• Experience with DevOps POD model

We offer:

• Hybrid work in our client 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