Senior React Developer — Onsite in Las Vegas, Mentorship

Ontrac Solutions; Las Vegas (NV); On-site; USD 100,000 - 150,000; Full time

Job summary

Ontrac Solutions seeks a Senior React Developer to join the engineering team in Las Vegas, NV. You will design and deliver scalable front-end features using React and TypeScript, building reusable components and collaborating with product, design, and backend teams.

The role emphasizes automated testing with Cypress, code quality, and performance optimization. Onsite work, with long-term engagement and either FTE or contract arrangements.

Qualifications

• 5+ years of professional software development experience.
• 3+ years of hands-on experience developing applications with React.
• Strong proficiency in TypeScript, JavaScript (ES6+), HTML5, and CSS3.
• Experience with modern React concepts including Hooks, Context API, and state management (Redux, Zustand, React Query, or similar).
• Strong experience writing automated tests using Cypress.
• Experience consuming RESTful APIs and working with modern web services.
• Knowledge of responsive design and cross-browser compatibility.
• Familiarity with CI/CD pipelines and modern development workflows.
• Experience using Git and collaborative development practices.
• Strong problem-solving and communication skills.

Responsibilities

• Design, develop, and maintain scalable, responsive web applications using React and TypeScript.
• Build reusable UI components and front-end libraries for future use.
• Collaborate with product managers, designers, and backend engineers to implement new features.
• Write clean, maintainable, well-tested code following industry best practices.
• Develop and maintain end-to-end and integration tests using Cypress.
• Optimize applications for maximum speed, performance, and scalability.
• Participate in code reviews and mentor junior developers.
• Troubleshoot and resolve complex technical issues.
• Contribute to architecture decisions and technical roadmap discussions.
• Work closely with backend teams to define API contracts and integrations.

Skills

5+ years of software development

3+ years React

TypeScript

JavaScript (ES6+)

HTML5/CSS3

Hooks/Context API/State management

Automated testing with Cypress

RESTful APIs

CI/CD

Git

Problem solving

Communication skills

Tools

Cypress

Git

Docker

Kubernetes

REST APIs

React Query

Redux

Job description

Ontrac Solutions seeks a Senior React Developer to join the engineering team in Las Vegas, NV. You will design and deliver scalable front-end features using React and TypeScript, building reusable components and collaborating with product, design, and backend teams.

The role emphasizes automated testing with Cypress, code quality, and performance optimization. Onsite work, with long-term engagement and either FTE or contract arrangements.