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Fullstack Developer (Ruby on Rails & React)

Washington, DC💼 Full-time💰 $78,600–$78,600🗓 2026-08-04 → 2026-09-26

Core

Fullstack Developer building user-facing applications and API integration layers for US federal government clients.

Role type

Senior Fullstack Developer (Ruby on Rails, React, Java Spring Boot)

Builds

User-facing web applications, API gateway layers, and microservices for federal defense and security missions.

Domain

US Federal Government / Defense & National Security

Deliverable

production ML models | product features

Required skills

React.js, TypeScript, Ruby on Rails, Java 11+, Spring Boot, REST API design, Git, Agile workflows, HTML5/CSS3, State management (Redux/Context), Testing frameworks (Jest/React Testing Library)

Preferred skills

Bachelor's degree in Computer Science

Technologies

React.js, TypeScript, Ruby on Rails, Java 11, Spring Boot, Jest, React Testing Library, Git

Responsibilities

Build and maintain user-facing applications using React.js; Develop and enhance Ruby on Rails API gateway layer; Support and extend back-end microservices using Java Spring Boot; Write comprehensive tests for front-end components and API integrations; Configure software products and systems to deploy code; Develop product and platform prototypes.

Seniority

Mid-to-Senior, hands-on IC

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