Full-Stack Java-React Developer

United Nations - UN Office of Information and Communications Technology

Consultant Closes 24 Sep 2026 1 months left

Overview

Design, develop, and support web applications and services using Java and React, contributing technical expertise to solution design and documentation.


Key Responsibilities
  • Design and Development of web applications and web services
  • Contribute technical expertise to requirements analysis to improve the quality of the solution design
  • Provide detailed documentation of changes and manage version control with the available systems (Git)
  • Provide 3rd level application support and problem resolution for deployed applications
  • Participates in the development, programming, testing, debugging and implementation of new applications with a Geospatial and/or AI components, using UN established standards like Java and React.
  • Prepares technical and user documentation for deployed applications, as well as training materials and conducts technical presentations.
  • Provides support for deployed applications including version management and troubleshooting; performs ongoing reviews with users and developers and responds to users requests.
  • Keeps abreast of developments in the field; performs benchmarking and proposes new tools and libraries.
  • Performs other related duties as assigned.
Required Experience

A minimum of 2 years hands-on experience building web applications with React and Java is required. A minimum of 2 years of hands-on experience using JavaScript/TypeScript is required. A minimum of 2 years of hands-on experience using Java is required. 2+ years of hands-on experience with SQL and REST API is required.

Qualifications

Advanced university degree (master’s degree or equivalent) in computer science, information systems, mathematics, statistics, or related field. A first-level university degree in combination with two additional years of qualifying experience may be accepted in lieu of the advanced university degree.

Other Details
Languages Required
fluency in English (oral and written) is required.
Languages Preferred
Knowledge of other UN official languages is an advantage.
Contract Duration
6 months, renewable
Work Modality
In-person
Remuneration
Not specified
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