React.JS Developer

Judge Group, Inc.; Dearborn (MI); On-site; USD 69,000 - 70,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Job summary

Judge Group, Inc. is seeking a senior React.js Developer to join our client’s team in Dearborn, MI. You will build high-quality, production-ready front-ends using React.js and TypeScript, collaborating with product, design, and engineering to deliver scalable features.

The role demands 7–8 years of front-end experience, strong architectural skills, and a track record of delivering full lifecycle projects in an Agile environment.

Qualifications

• Experience with React.js in production applications.
• Strong JavaScript/TypeScript skills.
• Familiarity with OAuth 2.0 / OpenID Connect.
• Experience with RESTful APIs and API contracts.
• Proficient with Git-based workflows and CI/CD.

Responsibilities

• Deliver 2–3 major web applications from requirements to production.
• Architect scalable, modular front-end solutions.
• Collaborate with product, design, and backend teams in Agile teams.
• Write automated tests for front-end components and features.
• Ensure performance, accessibility, and cross-browser compatibility.

Skills

React.js

JavaScript

TypeScript

OAuth 2.0

OpenID Connect

MSAL

RESTful APIs

Git

Agile/Scrum

CI/CD

Tools

React.js tooling

Front-end build tools

Job description

Location: Dearborn, MI Salary: $50.00 USD Hourly – $51.00 USD Hourly Description: Our client is currently seeking a React.JS Developer

We are looking for an experienced React.js developer to help deliver a high-quality, production-ready web application. This role requires strong expertise in React and modern JavaScript or TypeScript, with a track record of building maintainable, responsive user interfaces and scalable front-end solutions. The ideal candidate is comfortable making sound architectural decisions, writing reliable and well-tested code, and troubleshooting performance and usability issues. Working in a fast-paced Agile environment, they will collaborate closely with product, design, and engineering teams to turn requirements into polished, dependable features. This is a hands‑on role for a developer who takes ownership, communicates clearly, and delivers to a high technical standard.

Senior-Level Expertise: 7-8 years of professional experience in front-end development, including substantial hands‑on experience building production applications with React.js.

Full-Lifecycle Delivery: Proven experience delivering at least 2-3 major web applications from initial requirements through production release and ongoing support.

React.js Proficiency: Strong command of React.js, including component design, hooks, reusable patterns, and effective state management.

JavaScript & TypeScript: Advanced experience with modern JavaScript and TypeScript, including writing clear, maintainable, and well‑typed application code.

Architectural Proficiency: Demonstrated ability to structure scalable, modular front‑end applications using appropriate design patterns and separation of concerns.

Responsive UI Development: Experience building accessible, responsive interfaces that work across common browsers, devices, and screen sizes.

Identity & Authentication: Experience implementing secure web authentication using OAuth 2.0 and OpenID Connect. Experience with Microsoft Entra ID and MSAL is an advantage for enterprise applications.

API Integration: Strong experience integrating RESTful APIs, handling asynchronous requests and errors, and coordinating API contracts with backend teams.

Data Handling: Understanding of browser‑based data persistence and caching, including the security and privacy considerations of storing sensitive information in a web application.

Testing & Quality: Experience writing and maintaining automated tests for front‑end applications, including unit and integration tests.

Performance Tuning: Proficiency with browser developer tools and React profiling tools to diagnose and improve rendering, loading, and runtime performance.

Tooling: Experience with Git‑based version control, package management, and front‑end build tools, as well as CI/CD pipelines such as GitHub Actions or equivalent.

Agile Experience: Experience working in Agile/Scrum environments, managing deadlines and changing priorities, and communicating progress and risks effectively.

Release Ownership: Experience supporting web application builds and releases across development, test, and production environments, including deployment coordination and post‑release issue resolution.

Security & Compliance: Follow enterprise security standards when developing front‑end features, particularly for authentication, token handling, browser storage, and secure communication with APIs.

Release Management: Support build, deployment, and release activities across development, test, and production environments. Coordinate with QA and stakeholders to facilitate testing, feedback, and timely releases.

Architectural Guidance: Collaborate with backend, design, and product teams to align API contracts, user experience, and front‑end implementation with the application’s architecture and requirements.

Code Review & Mentorship: Conduct thorough code reviews for other contributors, promoting React.js best practices, maintainable code, and early resolution of technical debt.

Risk Mitigation: Proactively identify and communicate technical, integration, and schedule risks to project leadership, and recommend actionable steps to keep delivery on track.

Medical, dental, and vision insurance are available to qualified candidates who meet eligibility requirements.