FullStack Engineer (TypeScript, React, and Next.js)

O projekcie 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 build and improve user-facing experiences and product APIs that support modern data services. The role combines strong frontend development with practical full-stack delivery, translating product needs into accessible, reliable, and secure solutions across browser and service layers.

We offer

• Hybrid work in one of our locations: Lodz, Poznan, Krakow, Warsaw, Wroclaw (2 office days per 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
• Work From Anywhere (up to 140 days/year abroad)
• Social events

Zakres obowiązków

• Design, build, and maintain TypeScript and Next.js user interfaces that are responsive, accessible, and aligned with business needs
• Deliver end-to-end product features across frontend and backend integration layers
• Collaborate with product, UX, backend, and data teams to refine user journeys, data contracts, and acceptance criteria
• Build secure and maintainable frontend solutions using reusable components and well-structured state management
• Integrate frontend applications with Java 21 and Spring Boot services
• Diagnose and resolve UI defects, API integration issues, performance bottlenecks, and production issues
• Develop and maintain unit, integration, and regression tests
• Support application quality through observability, logging, performance tuning, and production follow-up
• Maintain high engineering standards for code quality, code reviews, secure development, and deployment readiness

Wymagania

• Strong experience with TypeScript, React, and Next.js
• Good understanding of modern frontend architecture, component design, state management, routing, API integration, and accessible UI patterns
• Experience delivering full-stack features across browser and service layers
• Working knowledge of Java and modern Spring Boot application patterns
• Experience with REST APIs, DTOs, authentication flows, and integration contracts
• Ability to write clean and maintainable code and participate in technical design and code reviews
• Understanding of secure frontend and backend practices, including token handling, role-based access, and safe data handling
• Strong problem-solving skills and experience investigating production issues across UI and API layers
• Good communication and collaboration skills

Nice to have

• React Query, Redux Toolkit, TanStack Query, or similar state management and data-fetching solutions
• Axios, forms, validation, and component libraries
• Spring Web, Spring Security, or Spring Data JPA
• PostgreSQL, database design, or database migration patterns
• OpenTelemetry, Micrometer, structured logging, or production monitoring tools
• Cloud-native or containerised delivery environments
• JUnit 5, Vitest, Playwright, or equivalent testing frameworks

Oferujemy

• Life insurance
• Sport subscription
• Training budget
• Private healthcare
• International projects
• Free coffee
• Bike parking
• Free snacks
• Free beverages
• Free parking
• In-house trainings