React Frontend Developer

Job Description

We are seeking an experienced React Engineer to support a large-scale retail checkout modernization initiative. This individual will design, develop, and enhance applications used in retail store operations, including transaction management, item handling, pricing adjustments, cash management, and self-checkout workflows. The engineer will build scalable, reusable UI components, integrate front-end applications with REST APIs, and partner closely with product, backend, QA, and business teams to deliver high-quality solutions. Day-to-day responsibilities include developing new features, validating complex transaction flows, supporting testing and UAT efforts, resolving defects, participating in Agile ceremonies, and helping ensure production readiness through documentation, monitoring, and operational support activities.

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to View email address on click.appcast.io learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy:

Skills and Requirements

-7+ years of front-end development experience with strong expertise in React, JavaScript/TypeScript, HTML, and CSS.

-Experience building enterprise-scale applications using reusable components, state management, routing, and API integrations.

-Strong knowledge of REST APIs, JSON payload validation, error handling, and backend service integration.

-Experience in retail POS, checkout, self-checkout, store operations, or other high-volume transaction platforms.

-Hands-on experience with testing, defect remediation, UAT support, and release readiness.

-Knowledge of React component libraries, design systems, accessibility standards, and front-end architecture best practices. -Experience with POS modernization, web-based checkout, or store technology platforms.

-Experience with hardware-integrated applications such as scanners, POS terminals, and self-checkout devices.

-Exposure to testing frameworks such as Jest, React Testing Library, Cypress, Playwright, Selenium, or BDD tools.

-Familiarity with observability, monitoring, SonarQube, containerized deployments, and enterprise CI/CD environments.