Frontend Developer

Weekday (YC W21); San Francisco (CA); On-site; USD 160,000 - 260,000; Full time

Job summary

Weekday (YC W21) in San Francisco seeks an experienced Frontend Developer to design, develop, and optimize modern web applications delivering exceptional user experiences. You will collaborate with product managers, designers, and backend engineers to build responsive, scalable interfaces.

The role emphasizes working with JavaScript/TypeScript, modern frameworks, and performance/ accessibility best practices in a fast-paced, collaborative environment.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience)
• 5+ years of professional frontend development experience
• Strong proficiency in JavaScript and TypeScript
• Experience building modern web applications with React/Next.js/Angular/Vue.js or similar
• Strong HTML5/CSS3, responsive design, and UI development practices
• Experience consuming RESTful APIs and collaborating with backend services
• Familiarity with state management libraries like Redux/Zustand/MobX/Context API
• Experience with Git workflows, CI/CD pipelines, and automated testing
• Strong frontend performance optimization, accessibility, and cross‑browser compatibility
• Excellent problem‑solving, debugging, and collaborative skills
• Ability to work well in cross-functional teams

Responsibilities

• Design, develop, and optimize modern web applications for exceptional user experiences
• Collaborate with product managers, designers, and backend engineers
• Build responsive, scalable, high‑performing user interfaces
• Contribute to code quality through testing and reviews
• Participate in design and architecture discussions to improve frontend systems

Skills

5+ years experience

JavaScript

TypeScript

HTML/CSS

REST APIs

State management

Git/CI/CD

Performance/Accessibility

Collaboration

Problem solving

Education

Bachelor's degree in CS/Engineering

Tools

React

Next.js/Angular/Vue.js

Vite/Webpack/Rollup

SSR/SSG

UI libraries (Material UI/Chakra UI)

Job description

This role is for one of our clients

Location: San Francisco

Salary Range: $160,000 – $260,000 (Base)

Requirements

About the Role

We are seeking a talented and motivated Frontend Developer to join our growing engineering team in San Francisco. In this role, you will design, develop, and optimize modern web applications that deliver exceptional user experiences. You will collaborate closely with product managers, designers, backend engineers, and cross-functional teams to build responsive, scalable, and high-performance user interfaces.

This position is ideal for engineers who enjoy creating intuitive user experiences, solving complex frontend challenges, and working with modern web technologies in a fast-paced, collaborative environment.

Requirements

Required Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related technical field (or equivalent experience)
• 5+ years of professional experience in Frontend Development
• Strong proficiency in JavaScript and TypeScript
• Experience building modern web applications using React, Next.js, Angular, Vue.js, or similar frontend frameworks
• Strong understanding of HTML5, CSS3, responsive design, and modern UI development practices
• Experience integrating RESTful APIs and working closely with backend services
• Familiarity with state management libraries such as Redux, Zustand, MobX, or Context API
• Experience with version control, Git workflows, CI/CD pipelines, and automated testing
• Strong understanding of frontend performance optimization, accessibility, and cross-browser compatibility
• Excellent problem-solving, debugging, and analytical skills
• Ability to work effectively in a collaborative, cross-functional environment

Preferred Qualifications

• Experience with modern build tools such as Vite, Webpack, or Rollup
• Familiarity with server-side rendering (SSR) and static site generation (SSG) using frameworks like Next.js
• Experience with UI component libraries such as Material UI, Ant Design, Chakra UI, or Tailwind CSS
• Knowledge of testing frameworks such as Jest, Cypress, Playwright, or React Testing Library
• Familiarity with cloud platforms such as AWS, GCP, or Azure
• Interest in AI-powered user interfaces, web performance optimization, and modern frontend architecture

Benefits

Compensation & Benefits

• Base Salary: $160,000 – $260,000 (depending on experience and qualifications)
• Competitive equity or bonus opportunities
• Comprehensive health, dental, and vision benefits
• Generous paid time off and holidays
• Professional development and learning opportunities
• Collaborative and innovative work environment in New York City