Senior Fullstack Consultant (Java + React)

GFT · Warsaw, Poland · On site · September 24, 2026

Sign up to apply
Your first one is free
Posted September 24, 2026 · Read from GFT
Why a CV for this job?

94% of employers say their filters drop qualified candidates whose CV does not match the ad's exact criteria (Harvard Business School, 2021).

  • They see what they asked for, first. Your experience that matches the ad leads, in the ad's own words, so someone skimming finds it in seconds.
  • It gets past the software. Many larger employers use software that ranks CVs by how closely they match the ad, often before anyone reads them.
  • In the language of the ad. An ad written in Spanish gets a CV in Spanish, even when yours is in Portuguese.
  • Your facts, nothing invented. Your own experience, reordered and reworded. What the ad wants and your CV does not show is listed for you to add, only if it is true. You check it before you send it.
See an example

Type of contract: B2B contract

Salary range: 125 - 160 PLN/h

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

Requirements:

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

Openness to work hybrid from our client office 2 days a week

Nice to have:

Knowledge of PostgreSQL

Experience with DevOps POD model

Employer
GFT
Location
Warsaw, Poland · On site