Java Full-Stack Developer with React | Middle

Description

We are looking for a skilled Java Full-Stack Developer with React expertise to join our team. In this role, you will contribute to building robust, scalable web applications by working across both front-end and back-end layers. You will collaborate with cross-functional teams to deliver high-quality features that meet business and user needs. This role offers a hybrid model, with 3 days per week working from our office in Kraków. Responsibilities Build and maintain web applications using React and Java Design, develop, and integrate REST APIs Develop and optimize database solutions using PostgreSQL Write clean, maintainable code Support testing and debugging activities Collaborate with product, QA, and other engineers to deliver features Requirements 2+ years of experience in full-stack development Proficiency in React and modern JavaScript/TypeScript Background in Java backend development, including Spring and Spring Boot Expertise in building and consuming RESTful APIs Knowledge of PostgreSQL, covering schema design, queries, and performance basics Familiarity with Git and agile ways of working English proficiency at an Upper-Intermediate level (B2) or higher Nice to have Exposure to Docker and CI/CD Experience with cloud platforms (Azure preferred)

Requirements

• 2+ years of experience in full-stack development

• Proficiency in React and modern JavaScript/TypeScript

• Background in Java backend development, including Spring and Spring Boot

• Expertise in building and consuming RESTful APIs

• Knowledge of PostgreSQL, covering schema design, queries, and performance basics

• Familiarity with Git and agile ways of working

• English proficiency at an Upper-Intermediate level (B2) or higher

Responsibilities

• Build and maintain web applications using React and Java

• Design, develop, and integrate REST APIs

• Develop and optimize database solutions using PostgreSQL

• Write clean, maintainable code

• Support testing and debugging activities

• Collaborate with product, QA, and other engineers to deliver features

Seniority

• Middle

Nice to have

• Exposure to Docker and CI/CD

• Experience with cloud platforms (Azure preferred)