Confirmed on the employer's own hiring board on Nov 3, 2026. First seen by Alion on May 12, 2025. Lead Allies scores B on the Alion truth index.
Senior / Staff / Principal Frontend Engineer
Location: Onsite New York
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.

