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Senior · Staff · Principal Frontend Engineer

Lead Allies Inc · San Francisco

Extracted from the posting

Base
Not stated
Remote
Onsite, San Francisco
Stack
JavaScript, React, Angular, Vue.js

Senior, staff, or principal frontend engineer role based onsite in San Francisco, building user-facing interfaces by translating designs into HTML, CSS, and JavaScript. Key skills include React, Angular, or Vue.js, responsive design, Git, and accessibility. Work includes cross-browser compatibility, page load optimization, and integration with back-end services.

Senior / Staff / Principal Frontend Engineer

Location: Onsite San Francisco

We have multiple startups interested in talent. Here is a generic summary. Instead of a perfect job description, we present talented individuals to companies and allow them to share how that talent fits in the organization. 

A Front-End Developer is responsible for building the user-facing parts of websites and web applications, ensuring a seamless and visually appealing user experience. They translate designs into functional code using HTML, CSS, and JavaScript, and may also utilize frameworks and libraries. 

 

Key Responsibilities:

•           Develop and implement user interfaces:
Front-end developers create the visual elements of websites and applications that users see and interact with. 

•           Translate designs into code:
They take design mockups and wireframes and translate them into functional code using HTML, CSS, and JavaScript. 

•           Build interactive elements:
They create interactive features and animations to enhance the user experience. 

•           Ensure cross-browser compatibility:
They make sure the website or application functions correctly across different web browsers and devices. 

•           Optimize page load times:
They optimize code for speed and efficiency, ensuring a fast and smooth user experience. 
•           Collaborate with back-end developers:
They work closely with back-end developers to integrate the front-end with server-side logic and databases. 

•           Maintain and update existing websites and applications:
They may be responsible for fixing bugs, implementing new features, and maintaining existing code. 

•           Follow industry best practices:
They stay up-to-date on the latest front-end technologies and best practices. 

•           Test and debug code:
They thoroughly test their code to ensure it functions as expected and debug any issues that arise. 

Key Skills:

•           HTML, CSS, and JavaScript: Proficiency in these foundational web development languages is essential. 

•           Front-end frameworks and libraries: Knowledge of frameworks like React, Angular, or Vue.js is often required. 

•           Responsive design: Ability to create websites and applications that adapt to different screen sizes and devices. 

•           Version control systems (Git): Familiarity with version control systems like Git is crucial for collaborative development. 

•           Accessibility: Understanding of accessibility principles and how to make websites usable for people with disabilities. 

•           Problem-solving and debugging skills: Ability to identify and resolve issues in the code. 

•           Testing and debugging: Ability to test and debug code to ensure it functions correctly. 

 

Compensation: Market range and can include equity – details can be provided after the specific client is determined.  

Technologies

JavaScriptReactAngularVue.jsHTMLCSSGit
Lead Allies Inc
Lead Allies Inc
Website

Job details

TypeFull-time
Work ModeOn-site
LevelSenior
Location🇺🇸San Francisco, CA
PostedNov 06, 2026
Apply Now

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