Senior Front-End Engineer

Prophet Town; Mountain View (CA); On-site; USD 90,000 - 130,000; Full time

Job summary

A cutting-edge software company in Mountain View is seeking an experienced front-end engineer to craft elegant and responsive user experiences. The role involves designing, implementing, and maintaining scalable user interfaces using React, NextJS, and TypeScript while mentoring other team members and collaborating across functions. Ideal candidates will demonstrate expertise in complex animations, responsive design, and API integrations. They value innovation and quality in a collaborative environment.

Qualifications

• Portfolio showcasing interactive experiences is required.
• Experience with responsive design principles.
• Ability to work independently and collaboratively.

Responsibilities

• Design and maintain user interfaces with React, NextJS, and TypeScript.
• Translate wireframes into polished UI components.
• Collaborate with back-end engineers to integrate APIs.
• Conduct code reviews and mentor junior engineers.

Skills

Mastery of creating complex animations

Advanced knowledge of HTML5, CSS3

Experience integrating with REST or GraphQL APIs

Proficiency with Git and CI/CD workflows

Writing unit and functional tests

Strong communication skills

Education

Bachelor’s degree in Computer Science or related field

Tools

Git

Jest

React Testing Library

Cypress

Node.js

Job description

Mountain View, United States | Posted on 03/24/2026

We are looking for an experienced front‑end engineer who thrives on crafting elegant, responsive and highly animated user experiences for both web and native applications. You will leverage your deep knowledge of web application development to build and refine experiences that delight and meet high standards for performance, accessibility and maintainability. As a senior member of our team, you will mentor other engineers, collaborate closely with design, product and back‑end teams, and help shape the architecture and processes that support our evolving platform.

This is a contract‑to‑hire position.

Key Responsibilities

• Design, implement and maintain high‑quality, scalable user interfaces using React, NextJS and TypeScript; create delightful animations and motion effects using tools such as Lottie, GSAP or Framer Motion.
• Translate wireframes and mock‑ups into polished UI components that meet design specifications and adhere to responsive design standards; participate in design reviews and provide technical input early in the product lifecycle.
• Develop and maintain a reusable component library/design system to ensure consistency across products and facilitate rapid development.
• Collaborate with back‑end engineers to integrate APIs and data sources, ensuring efficient data handling and a seamless user experience.
• Conduct code reviews, mentor junior and mid‑level engineers and help establish coding standards; troubleshoot and resolve complex performance or scalability issues.
• Write and maintain comprehensive unit, integration and functional tests to maintain high coverage and reliability.
• Stay current with emerging front‑end technologies, tools and industry trends, and advocate for the adoption when there are substantial benefits.

Requirements

Required Qualifications

• Demonstrated mastery of creating complex animations and interactive experiences in web or native applications; ability to share a portfolio showcasing this work.
• Advanced knowledge of HTML5, CSS3 (including CSS Modules or Styled Components) and responsive design principles.
• Experience integrating front‑end applications with REST or GraphQL APIs; familiarity with common patterns for state management and data fetching.
• Proficiency with Git and CI/CD workflows (e.g., GitHub Actions).
• Proven track record of writing unit and functional tests using frameworks like Jest, React Testing Library or Cypress.
• Excellent communication and interpersonal skills; ability to work independently and as part of a cross‑functional team.

Preferred Qualifications

• Familiarity with React Native or other mobile frameworks for building cross‑platform applications.
• Understanding of server‑side rendering and static site generation patterns in NextJS.
• Knowledge of Node.js for back‑end development and AWS or other cloud platforms for deployment and infrastructure.
• Bachelor’s degree in Computer Science, Engineering or a related field, or equivalent professional experience.

Why Join Us

• A collaborative, inclusive team that values mentorship, innovation and quality.
• Opportunity to build something brand new; never been done before.