Lead Full-Stack Software Engineer (Java + ReactJS)

EPAM·Poland·Удалённо, Офис·2д. назад

We are looking for a Lead Full-Stack Software Engineer with expertise in Java and ReactJS to help design and deliver modern web applications across a React frontend and Spring Boot backend. You will guide technical execution, build reusable components and APIs, and ensure quality from development through deployment.

Responsibilities

Lead end-to-end development across ReactJS frontend and Java/Spring Boot backend
Design and implement scalable APIs, including authentication and database connectivity
Build reusable UI components and shared frontend patterns
Architect responsive, mobile-first user experiences using modern web standards
Implement backend persistence and business logic using Spring Data JPA
Write unit tests using an appropriate unit test framework and ensure code quality
Debug and troubleshoot issues across browsers, frontend, and backend
Collaborate with the team to deliver features through design, development, and deployment
Evaluate and adopt new technologies when needed to meet project goals

Requirements

Bachelor's degree in Computer Science, Information Systems, or Engineering
5+ years of full-stack development experience in modern web technologies
At least 1 year of relevant leadership experience
Proficiency in HTML5, CSS3, and JavaScript
Expertise in React, Redux, and Webpack
Skills in TypeScript and Micro-Frontend architecture
Background in Java, Spring Boot, and JPA
Understanding of API design, authentication, and microservices
Knowledge of responsive design and mobile-first development principles
Familiarity with browser testing and debugging tools
Capability to write reusable components and unit test cases
Strong debugging and problem-solving skills, with the ability to work both independently and collaboratively
Good work ethic, self-starter mindset, and results-oriented approach
Excellent command of written and spoken English (B2+ level)