Senior Fullstack Engineer (Java & React)

GFT Poland operates in the IT engineering and consulting industry with over 1200 experts. The company is a Google Cloud Partner of the Year and works on ambitious projects, including large-scale financial services platforms supporting investment banking operations and digital transformation in a highly regulated environment.

• 7+ years of professional software development experience in enterprise environments
• Strong expertise in ReactJS, Redux, TypeScript, HTML5, CSS3, and modern JavaScript
• Deep understanding of React Hooks, Context API, Redux Toolkit, routing, and frontend performance optimization
• Hands-on experience with Vite and/or Webpack
• Strong experience with Java 17+, Spring Boot 3+, Spring Security, Spring Data JPA, REST APIs, and microservices
• Excellent knowledge of multithreading, concurrency, JVM tuning, and performance optimization
• Practical experience with Apache Kafka and event-driven architectures
• Experience with Kubernetes, Helm, and Terraform
• Experience creating and maintaining GitLab CI/CD pipelines
• Strong understanding of distributed systems, scalability, resiliency, and fault tolerance
• Knowledge of SOLID principles, design patterns, clean architecture, TDD, and secure coding practices
• Experience working in Agile/Scrum environments

Nice to have:

• Experience with AI-assisted development tools such as GitHub Copilot or Microsoft Copilot
• Experience with Oracle or PostgreSQL databases
• Familiarity with Azure cloud services
• Knowledge of Grafana, Prometheus, Splunk, Dynatrace, ELK, or OpenSearch
• Experience with OpenAPI/Swagger and GraphQL
• Strong testing background using JUnit 5, Mockito, TestContainers, Playwright, Cypress, or React Testing Library
• Experience mentoring developers and contributing to engineering standards and architecture decisions

• Design and develop enterprise-grade frontend applications using React and TypeScript
• Build and maintain backend services based on Java, Spring Boot, and microservices architecture
• Develop and support cloud-native solutions deployed on Kubernetes platforms
• Design and implement event-driven integrations using Apache Kafka
• Create and maintain CI/CD pipelines in GitLab
• Collaborate with business stakeholders, architects, and cross-functional Agile teams
• Optimize application performance, scalability, and reliability
• Contribute to technical design, code reviews, and engineering best practices
• Support application modernization and process automation initiatives