Full-Stack Developer (React, GoJS, Java)

Quick Facts

• Role: Full-stack development for advanced business applications

• Focus: Interactive diagrams/graphs and data visualization with GoJS

• Work mode: Agile environment; frontend and backend responsibilities

• Engagement: B2B contract; possibility to work remotely

Description

Join an Agile team to develop and maintain advanced business applications. A key part of the role is building interactive diagram, graph, and data visualizations using GoJS. You will handle both frontend and backend development, design REST APIs and integration services, and ensure non-functional requirements and security are addressed.

Responsibilities

• Design, develop, and maintain complex business applications with a frontend layer

• Create and develop API interfaces

• Support business analysts with user interface design and alignment with the applicable Design System

• Consider non-functional requirements and security aspects

• Design, implement, and optimize algorithms used in the applications

• Design and implement integration services

• Analyze functional requirements and propose implementation concepts

• Collaborate with technical teams on system integrations

• Ensure high code quality and maintain technical documentation

• Track progress and participate in resolving project design issues

• Collaborate with a cross-functional Agile team

Requirements

• Minimum 7 years of commercial software development experience

• Minimum 5 years with JavaScript and TypeScript

• Minimum 5 years with React

• Minimum 3–4 years with GoJS (or similar diagram/graph libraries)

• Minimum 3 years with Java and Quarkus

• Advanced knowledge of JavaScript, TypeScript, and React

• Advanced GoJS expertise (diagrams, nodes, links, templates, layouts, custom interactions, performance optimization)

• Experience building complex web applications

• Knowledge of frontend architecture and design patterns

• Experience designing and implementing REST APIs

• Good knowledge of Java 17+, Quarkus, and Spring Boot

• Knowledge of Oracle, SQL, PL/SQL, and Oracle packages

• Experience with Git, GitLab, Maven, NPM

• Knowledge of Docker, Jenkins, and CI/CD processes

• Experience with unit and integration tests

• Experience with code review, performance optimization, and refactoring

Benefits

• Cafeteria-style benefits

• B2B contract

• Possibility to deliver services remotely

• Work on a project with real impact on business direction

• Opportunity to deliver services for a prestigious public institution