Full-Stack Engineer - Design Systems & Internationalization

United States Digital Space LLC; Boston (MA); On-site; USD 105,000 - 175,000; Full time

Job summary

United States Digital Space LLC seeks a Software Engineer II (Full Stack Web) for its Client Platform team focused on Design Systems and Translations. You will design and build shared frontend and backend systems enabling globally accessible experiences across web and mobile.

You’ll work across the stack, from frontend components to backend localization services, while contributing to infrastructure and tooling for design systems and internationalization at scale.

Qualifications

• 2–4 years of professional software engineering experience.
• Proficiency in web development using JavaScript/TypeScript, React, and Node.js.
• Experience building and integrating RESTful APIs.
• Familiarity with frontend architecture and building reusable UI components or design systems.
• Experience with design implementation from Figma to UI.
• Understanding of internationalization (i18n) and localization best practices.
• Familiarity with CSS, responsive design, and modern layout techniques.
• Experience with relational databases such as PostgreSQL or MySQL.
• Experience with build systems and CI/CD tools (CircleCI, GitHub Actions).
• Strong communication skills and ability to collaborate with stakeholders.
• Experience implementing RTL support using CSS logical properties and direction-based styling.
• Familiarity with BiDi text handling and localization edge cases.
• Experience with design system tooling (e.g., Storybook) and cross-platform component libraries.
• Exposure to translation platforms or localization pipelines.
• Exposure to design tokens and multiple themes.
• Backend experience in Java, Python, or C#.
• Familiarity with cloud delivery platforms (Cloudflare, Vercel, CloudFront).
• Experience with accessibility standards (WCAG) and inclusive design.

Responsibilities

• Design, build, and maintain full stack systems powering the design system and translation infrastructure.
• Develop and maintain reusable frontend components and shared libraries (React/TypeScript).
• Implement and improve internationalization (i18n) support, including RTL layouts and BiDi handling.
• Collaborate with Design to scale a unified design system across web and mobile.
• Build and maintain backend services and APIs supporting translation workflows and localization pipelines.
• Ensure UI components are accessible and adaptable to languages and regions.
• Improve and maintain build and CI/CD systems (CircleCI, GitHub Actions).
• Collaborate with Product, Design, Platform, and Localization teams to deliver scalable solutions.
• Participate in code reviews and champion frontend architecture and design systems.

Skills

JavaScript/TypeScript

React

Node.js

RESTful APIs

i18n

CSS

PostgreSQL/MySQL

CI/CD

RTL support

BiDi text handling

Storybook

Cross-platform components

Tools

CircleCI

GitHub Actions

Storybook

Job description

United States Digital Space LLC seeks a Software Engineer II (Full Stack Web) for its Client Platform team focused on Design Systems and Translations. You will design and build shared frontend and backend systems enabling globally accessible experiences across web and mobile.

You’ll work across the stack, from frontend components to backend localization services, while contributing to infrastructure and tooling for design systems and internationalization at scale.