Senior React/Next.js Engineer - UI & Performance

Quantum Technologies. LLC; Austin (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Quantum Technologies. LLC in Austin, TX is seeking a skilled Frontend Engineer to build and maintain scalable web applications using React.js and Next.js.

You will create reusable UI components, integrate with RESTful APIs and backend microservices, and collaborate with UX/UI designers to deliver a performant, accessible user experience.

The role includes participating in Agile ceremonies, code reviews, mentoring junior developers, and helping deploy and support applications in production.

Qualifications

• Experience building web applications with React.js and Next.js.
• Strong knowledge of RESTful APIs and integration with backend services.
• Ability to design reusable UI components and maintainable code.
• Collaborate with UX/UI designers to deliver user-friendly interfaces.
• Familiarity with performance optimization, accessibility, and responsive design.
• Experience participating in code reviews and mentoring junior developers.

Responsibilities

• Develop and maintain web applications using React.js and Next.js.
• Build reusable, maintainable, and responsive UI components.
• Integrate frontend with RESTful APIs and backend microservices.
• Collaborate with UX/UI designers to implement user-friendly interfaces.
• Optimize applications for performance, scalability, accessibility, and responsiveness.
• Participate in code reviews and contribute to coding standards and best practices.
• Troubleshoot and resolve issues across development, testing, and production.
• Work closely with backend teams for secure and efficient integrations.
• Participate in Agile ceremonies including sprint planning and stand-ups.
• Mentor junior developers and share knowledge within the team.
• Support deployment activities and production issue resolution as needed.
• Contribute to development best practices and documentation.

Tools

React.js

Next.js

Frontend architecture

UI component design

Agile / Scrum

Code reviews & mentoring

Job description

Quantum Technologies. LLC in Austin, TX is seeking a skilled Frontend Engineer to build and maintain scalable web applications using React.js and Next.js.

You will create reusable UI components, integrate with RESTful APIs and backend microservices, and collaborate with UX/UI designers to deliver a performant, accessible user experience.

The role includes participating in Agile ceremonies, code reviews, mentoring junior developers, and helping deploy and support applications in production.