Lead ReactJS Developer

MACHINE LEARNING TECHNOLOGIES LLC; Dallas (TX); On-site; USD 83,000 - 165,000; Full time

Job summary

MACHINE LEARNING TECHNOLOGIES LLC in Dallas, TX is seeking a Lead ReactJS Developer to architect and steer large-scale React applications. You will design scalable front-end structures, integrate secure API patterns with Axios, and drive performance across teams.

The role emphasizes mentoring, collaboration with UI/UX, backend engineers, and product teams, plus delivering robust, testable components and CI/CD pipelines.

Qualifications

• Experience leading and architecting large-scale React.js applications.
• Strong TS, front-end architecture, and CI/CD pipelines.
• Experience with Redux Toolkit, RTK Query, and React Router.
• Proven ability to mentor teams and collaborate with cross-functional groups.

Responsibilities

• Lead and architect large-scale React.js applications with scalable front-end structure and routing.
• Build dynamic, high-performance web apps using React.js, TypeScript, and modern libraries.
• Integrate backend services via Axios with interceptors and robust error handling.
• Develop reusable, modular components and optimize front-end performance.

Skills

React.js

TypeScript

Redux Toolkit

RTK Query

React Router

Axios

Testing (Jest/RTL)

Performance optimization

Tools

Jest

React Testing Library

Axios

React Router

Job description

Job Overview

• Job ID: J52448
• Job Title: Lead ReactJS Developer
• Location: Dallas, TX
• Duration: 12 Months + Extension
• Hourly Rate: Depending on Experience (DOE)
• Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, L2-EAD, GC-EAD
• Client: To Be Discussed Later
• Employment Type: W-2, 1099, C2C

Job Description

• Architecture: Strong experience in leading and architecting large-scale React.js applications. Skilled in designing scalable front-end architecture, routing structure, state management layers, and integrating automated build, deployment, and CI/CD pipelines.
• React.js Development: Build dynamic, high-performance web applications using React.js, TypeScript, and modern libraries. Implement interactive features, complex data flows, and scalable state-driven UIs.
• Expertise in React Ecosystem: Hands‑on experience with Hooks, component lifecycle, advanced state management, and performance patterns. Expertise in Redux Toolkit, RTK Query, React Query, and application‑wide state architecture.
• API Integration (Axios): Integrate backend services using Axios with interceptors, global error handling, retry logic, and optimized API communication patterns.
• Route Management: Architect and implement routing using React Router, including nested routes, guarded/private routes, role‑based access, and lazy‑loaded route structures.
• UI Integration: Collaborate with UI/UX teams to build visually appealing, responsive, and user‑friendly interfaces that match design specifications.
• Component Development: Develop reusable, modular, and scalable React components using best practices, ensuring maintainability and consistency across applications.
• Front‑end Optimization: Improve performance through memorization, virtualization, code splitting, minimizing re‑renders, and optimizing bundle size for seamless user experience.
• Security: Write secure and efficient front‑end code, implement client‑side validations, handle sensitive data safely, and address vulnerabilities proactively.
• Cross‑Browser and Cross‑Device Compatibility: Ensure consistent behavior and visual quality across various browsers, screen sizes, and devices.
• Collaborative Development: Work closely with backend engineers, designers, architects, QA, and product teams to ensure smooth integration of front‑end and backend workflows.
• Testing and Debugging: Conduct thorough debugging and implement strong testing practices to ensure functional stability, responsiveness, and error‑free user experiences.
• Unit Testing: Proficient in writing unit test cases using Jest or React Testing Library (RTL), ensuring high coverage, stability, and bug‑free releases.
• Code Maintenance and Documentation: Follow clean code principles, maintain clear documentation, perform refactoring, and ensure code quality through reviews and continuous improvement.
• Stay Up‑to‑Date with Technology: Keep current with modern React features, frontend tooling, state management patterns, and performance best practices to stay ahead of industry standards.
• Communication & Training: Strong communication skills with the ability to mentor team members, document best practices, and provide technical guidance to development teams.

Equal Opportunity Employer

MACHINE LEARNING TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. MACHINE LEARNING TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will MACHINE LEARNING TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract.