Senior Frontend Engineer: Scalable UI & Accessible

Polarscope Agency; New York (NY); Remote; USD 125,000 - 180,000; Full time

Job summary

Polarscope Agency is seeking an experienced Senior Developer to shape complex features across multiple projects. You will architect scalable front-end solutions, balance performance with accessibility, and collaborate with design and back-end teams to realize frontend goals.

You will mentor peers, review code, and help grow junior developers while staying curious about new tools and techniques in a fast-paced, distributed environment.

Qualifications

• 3-5 years of frontend/full-stack experience.
• Proficiency with modern frontend frameworks and tooling.
• Strong APIs, data integration, and system design understanding.
• Experience with version control, CI/CD, and collaboration tools.
• Interest in evaluating and sharing AI-assisted tooling.

Responsibilities

• Lead development of complex features and interfaces across projects.
• Architect and implement scalable front-end solutions within broader systems.
• Balance performance, accessibility, and maintainability in technical decisions.
• Identify and address technical risks early in the process.
• Partner with design, strategy, production, and back-end teams.
• Review code and provide constructive feedback to peers.
• Support growth of junior developers through feedback and guidance.

Skills

Frontend development

Full-Stack development

APIs & system architecture

Version control CI/CD

AI tools experiments

Leadership

Accessibility

Job description

Polarscope Agency is seeking an experienced Senior Developer to shape complex features across multiple projects. You will architect scalable front-end solutions, balance performance with accessibility, and collaborate with design and back-end teams to realize frontend goals.

You will mentor peers, review code, and help grow junior developers while staying curious about new tools and techniques in a fast-paced, distributed environment.