Senior Full Stack Developer - Java and React Analytics

DataArt Middle East; Poland; On-site; PLN 180,000 - 240,000; Full time

Job summary

DataArt Middle East is seeking a skilled Full Stack Developer to join a Poland-based project delivering enterprise reporting and analytics. You will work on backend services with Java/Spring and frontend UIs with React/TypeScript, collaborating with a cross-functional team to ship reliable features for a global user base.

The role emphasizes performance, code quality, and continuous improvement, with a strong focus on maintaining existing systems and contributing to architecture decisions while

Qualifications

• 3+ years of relevant full stack work experience.
• Solid backend experience with Java and the Spring ecosystem, including DI and REST controllers.
• Strong SQL skills and experience with PostgreSQL, MySQL, Oracle, and MS SQL Server a plus.
• Proficient in React with TypeScript; familiar with Hooks and component composition.
• Experience with Redux/Redux Toolkit and modern frontend build tools (Vite/ Webpack).
• Good OOP, design patterns, and automated testing practices.
• Strong debugging mindset, ownership, and ability to work autonomously.
• Fluent English (B2 Upper Intermediate or higher) for collaboration.

Responsibilities

• Develop and maintain backend functionality using Java, Spring, and REST APIs.
• Enhance and support frontend applications built with React and TypeScript.
• Work with relational databases to implement features and optimize queries.
• Investigate and resolve production issues by finding root causes.
• Collaborate with product, support, and engineering teams to deliver improvements.
• Maintain and extend existing framework-based codebases for stability and performance.
• Create and maintain automated tests to ensure quality.
• Participate in code reviews and engineering best practices.
• Support CI/CD processes and contribute to code quality and security.
• Prepare and maintain technical documentation for features and system behavior.

Skills

English (B2)

Java

Spring

Kotlin

REST APIs

SQL

PostgreSQL

MySQL

Oracle

MS SQL Server

TypeScript

React

Redux

Redux Toolkit

Vite

Jest

React Testing Library

Jira Data Center

P2 Plugins

Git

GitHub

GitHub Actions

CI/CD

OData

Tools

Java 8

Spring

Kotlin

Atlassian Plugin SDK

Spring Scanner

Maven

REST APIs

SQL

PostgreSQL

MySQL

Oracle

Microsoft SQL Server

TypeScript

React

Redux

Redux Toolkit

Vite

Jest

React Testing Library

Git

GitHub

GitHub Actions

CI/CD

OData

Jira Data Center

Job description

DataArt Middle East is seeking a skilled Full Stack Developer to join a Poland-based project delivering enterprise reporting and analytics. You will work on backend services with Java/Spring and frontend UIs with React/TypeScript, collaborating with a cross-functional team to ship reliable features for a global user base.

The role emphasizes performance, code quality, and continuous improvement, with a strong focus on maintaining existing systems and contributing to architecture decisions while