Senior React.js Developer

JRD Systems; Dearborn (MI); On-site; USD 120,000 - 160,000; Full time

Job summary

JRD Systems is seeking a Senior React.js Developer to lead front-end architecture and delivery for enterprise-grade web applications. You will own components, hooks patterns, and state management, while coordinating with backend teams to ensure robust integrations and secure authentication.

The role emphasizes release ownership, Agile collaboration, and mentoring teammates to uphold coding standards and high-quality front-end solutions.

Qualifications

• 7–8+ years of front-end development experience with production React.js applications.
• Experience delivering 2–3 major web apps from requirements to production and support.
• Strong command of React.js, component design, hooks, and state management.

Responsibilities

• Release management across development, test, and production environments.
• Collaborate with backend, design, and product teams on API contracts and UI implementation.
• Conduct code reviews to promote React.js best practices and reduce technical debt.
• Identify and communicate risks to leadership and help keep delivery on track.

Skills

React.js

Frontend architecture

Agile/Scrum

Code reviews

Tools

Git

CI/CD (GitHub Actions)

REST APIs

Job description

Senior React.js Developer

Minimum Qualifications and Job Requirements:

Professional Experience

• 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.

Technical Core

• React.js Proficiency: Strong command of React.js, including component design, hooks, reusable patterns, and effective state management.
• Architectural Proficiency: Demonstrated ability to structure scalable, modular front‑end applications using appropriate design patterns and separation of concerns.

Security & Integration

• 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.

Stability & Tools

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

Project Execution

• 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.

Other Responsibilities:

• 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.