Senior Java Full Stack Developer

Quick Facts

• Role: Senior Java Full Stack Developer

• Location: Kraków, Poland (Hybrid: 3 days/week in the office)

• Experience: 7+ years

Description

We are looking for an experienced Java Full Stack Developer with strong Java backend and React frontend expertise to build scalable, secure, high-performance applications across the full software development lifecycle.

Responsibilities

• Design, develop, test, and maintain full-stack applications using Java and React

• Build backend services, RESTful APIs, and microservices using Java and related frameworks

• Develop responsive, user-friendly frontend applications with React, JavaScript, HTML, and CSS

• Integrate frontend components with backend services and external systems

• Design and work with relational and/or NoSQL databases

• Write clean, reusable, maintainable, and well-tested code

• Participate in technical design discussions, code reviews, and architectural decisions

• Troubleshoot issues and improve performance, scalability, and reliability

• Collaborate with product owners, business analysts, QA engineers, and developers in an Agile environment

• Contribute to CI/CD pipelines, automated testing, and deployment processes

• Follow coding standards, security practices, and software engineering best practices

Requirements

• 7+ years of professional software development experience

• Hands-on Java and object-oriented programming

• Experience with Spring Boot, Spring Framework, and related Java technologies

• Strong frontend experience with React

• Proficiency in JavaScript, HTML5, and CSS3

• Experience designing and consuming RESTful APIs

• Understanding of microservices architecture and distributed systems

• Experience with relational databases and SQL

• Familiarity with Git and build tools such as Maven or Gradle

• Experience writing unit and integration tests

• Knowledge of Agile/Scrum methodologies and software development best practices

• Strong analytical, problem-solving, and communication skills

Benefits

• Hybrid work model: 3 days per week in the office

• Opportunity to work across the full software development lifecycle on scalable products