Tech Lead Fullstack Engineer (Java & React) at GFT Poland – Kraków | Jobyssey

We are GFT Poland

WE KNOW how to tackle complex issues with 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

What will you do?

You will work on large-scale financial services platforms supporting investment banking operations. The role focuses on digital transformation, process automation, data integration, and application modernization in a highly regulated environment. You will contribute across both backend and frontend development while leveraging modern cloud-native technologies, AI engineering tools, and DevOps practices.

We offer

Hybrid work in our client's office (Kraków) 3 days a week
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

Strong backend development experience using Java 17+ and Spring Boot 3+
Experience designing and developing microservices-based architectures
Good knowledge of PostgreSQL
Good knowledge of Kafka
Strong frontend development expertise using ReactJS, Redux, TypeScript, HTML5, CSS3 and modern JavaScript (ES6+)
Experience with .NET and C#
Experience with AI engineering tools such as GHCP CLI
Understanding of Generative AI concepts and frontier models
Strong communication skills
Strong domain knowledge of Stock Borrow Loan business
Experience with automated testing using JUnit 5, Mockito, Testcontainers or similar tools
Understanding of structured context in codebases such as AGENTS.md and skills
Practical knowledge of Kubernetes, Helm and Terraform
Experience with GitLab CI/CD pipelines for build, test, packaging and deployment automation

Nice to have

Splunk
Grafana
Application Insights

Tech Lead Fullstack Engineer (Java & React)

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