Software Engineer III, Frontend

We’re looking for a Software Engineer III, Frontend to design, build, and maintain high-quality frontend applications that deliver exceptional experiences for Quince customers.

In this role, you’ll take ownership of frontend features and technical problems, work closely with cross-functional teams to translate requirements into scalable solutions, and contribute to the quality, performance, and maintainability of our frontend systems. You’ll also play an active role in code reviews, technical decision-making, and mentoring junior engineers.

The ideal candidate has strong frontend fundamentals, hands-on experience with modern web technologies, and the ability to independently solve complex technical problems while raising the engineering bar across the team.

• Bachelor’s or Master’s degree in Computer Science or a related field.
• 5–8 years of professional experience in frontend development.
• Strong proficiency in JavaScript, HTML, CSS, and related web technologies.
• Strong experience with modern frontend frameworks such as React, Angular, or Vue.js.
• Proficiency in debugging tools and techniques.
• Strong understanding of RESTful APIs and asynchronous programming.
• Knowledge of web security principles and techniques.
• Experience with frontend performance optimization techniques.
• Strong problem-solving and analytical skills.
• Excellent communication and interpersonal skills.
• Ability to work independently as well as part of a team.
• Experience mentoring or guiding junior engineers.

• Experience building consumer-facing or high-scale web applications.
• Strong understanding of frontend architecture and reusable component design.
• Experience with frontend testing frameworks and automated testing practices.
• Experience with browser performance profiling and optimization.
• Familiarity with modern frontend build tools, CI/CD, and deployment workflows.
• Experience working closely with Product, Design, and Backend engineering teams.
• Experience in fast-paced, high-growth technology or ecommerce environments.

• Design, develop, and maintain high-quality frontend applications using modern web technologies.
• Own frontend features and modules from requirements through implementation, testing, and production.
• Write clean, efficient, maintainable, and well-documented code.
• Build reusable components and frontend patterns that improve development efficiency and consistency.
• Make thoughtful technical decisions around architecture, implementation, and trade-offs.

• Identify and resolve frontend performance bottlenecks and technical issues.
• Apply performance optimization techniques to improve application responsiveness, scalability, and user experience.
• Debug and troubleshoot complex technical issues across development and production environments.
• Contribute to improving frontend reliability, maintainability, and overall application quality.

• Develop and maintain comprehensive test cases to ensure high-quality and reliable code.
• Participate actively in code reviews and provide constructive technical feedback to peers.
• Establish and follow frontend engineering best practices around code quality, testing, debugging, and maintainability.
• Identify opportunities to improve development workflows, tooling, and engineering practices.

• Collaborate with Product, Design, Backend, and other engineering teams to define requirements and implement scalable solutions.
• Translate product and business requirements into well-designed technical solutions.
• Communicate technical decisions, dependencies, risks, and trade-offs effectively.
• Work independently while contributing effectively within a collaborative engineering environment.

• Mentor and guide junior engineers through technical discussions, code reviews, and day-to-day problem solving.
• Contribute to technical design discussions and help establish frontend development standards.
• Stay current with emerging frontend technologies, frameworks, and best practices.
• Evaluate and recommend technologies and approaches that can improve Quince applications.