Backend / Full Stack Developer (Java, Spring, Angular)

Quick Facts

• Role: Backend / Full Stack Developer

• Stack focus: Java 21, Spring Boot 3.4 (Backend); Angular and TypeScript (Full Stack)

• Work style: Remote (Poland), with occasional office visits

• Duration: Long-term cooperation

Description

You will develop and maintain an internal enterprise system, building and evolving backend logic, integrations, and database interactions, while improving architecture, performance, and quality. You’ll also diagnose production problems and modernize existing components; for Full Stack roles this extends to end-to-end frontend development. You are expected to work independently from technical analysis through implementation.

Responsibilities

• Develop and maintain backend services

• Implement business logic and integrations

• Work with databases

• Contribute to architecture, performance, and quality improvements

• Diagnose production issues

• Modernize existing components

• Full Stack: deliver frontend changes end-to-end

Requirements

• Minimum 3 years of commercial experience with Java

• Very good knowledge of Java/JVM, including multithreading and memory management

• Experience with enterprise systems with many integrations and/or high availability

• Very good knowledge of Spring Boot, Spring Framework, Spring Data JPA, and Hibernate

• Practical knowledge of PostgreSQL, Oracle, SQL, and Liquibase

• Practical experience with REST, SOAP, JSON, XML, OpenAPI, and WSDL/XSD

• Practical use of AI tools that support development

• Independently lead changes from technical analysis to implementation

• Full Stack only: very good knowledge of Angular, TypeScript, HTML5/SCSS, and RxJS

• Full Stack only: practical experience with Node.js, npm, and Angular CLI

• Full Stack only: build components and forms; integrate with REST APIs

• Full Stack only: knowledge of routing, authorization, and application state management

• Full Stack only: testing and troubleshooting at the frontend-backend boundary

Benefits

• Remote work from Poland with occasional office visits

• Long-term cooperation