Senior Fullstack Engineer (Java + React)

Hybrid$14,600 – $22,300
Warsaw, Poland · Kraków, Poland · Łódź, Poland · Poznań, Poland

Tech Stack

ReactJavaCI/CDRESTMicroservices

Job Description, Responsibilities & Requirements

Senior Fullstack Engineer (Java + React)

About the Position

We are seeking a Senior Fullstack Engineer (Java + React) to join our team in Poland, focusing on backend and frontend development for a client onboarding platform.

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

Requirements

  • Strong knowledge of Java 8+
  • 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 a 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

About the Company

We are GFT Poland. WE KNOW how to tackle complex issues with an innovative approach to deliver the highest value. Our reputation has been built around one simple rule: we do not overpromise, WE DELIVER. We deliver to our employees, clients, and partners. WE GROW as you grow, so investing in you is our business strategy. Caring for each other is our priority. WE CARE who you are, what you need, how you feel. WE CARE to smile, have fun, and develop as human beings.

Why Choose GFT?

  • A culture of top performance
  • Deep tech IT engineering & consulting
  • 1200 skilled & top-class experts
  • 77% of the team are regular/senior
  • Products that contribute to a sustainable world
  • Competitive salary and benefits
  • Ambitious projects, trainings, and tools you need to flourish
  • Google Cloud Partner of the Year - for going above and beyond for customers

Locations

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

Salary

  • 14600 - 22300 gross/month

Type of Contract

  • Employment contract

Apply Now

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Job Details

Company name:
GFT Poland
Salary:
$14,600 – $22,300
Location:
Warsaw, Poland · Kraków, Poland · Łódź, Poland · Poznań, Poland
Employment Type:
Contract
Work Mode:
Hybrid
Posted on TheJob:
Jul 18, 2026
Last checked:
Jul 18, 2026
Apply Now
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