Senior Frontend Developer

Confidential Startup SaaS Company; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

Confidential Startup SaaS Company is seeking a senior frontend engineer to own major frontend architecture, collaborating with product and design to deliver beautiful, usable experiences. You will translate messy real-world workflows into elegant, reliable interfaces.

You’ll work with Svelte, TypeScript, and modern tooling to build core frontend features, shape the design system, and raise the technical bar across the team in a remote, async environment.

Qualifications

• 5+ years of professional frontend or full-stack engineering experience
• Deep understanding of frontend architecture, state management, and API integration patterns
• Eye for design and empathy for users
• Strong communication and collaboration in a remote, async environment
• Experience with frontend performance optimization is a plus

Responsibilities

• Build and maintain core frontend features using Svelte, TypeScript, and modern web tooling
• Own large, complex UI projects end-to-end—from architecture to polish and performance
• Collaborate with product designers and backend engineers to translate business logic into intuitive interfaces
• Shape and evolve design system and component libraries for consistency and speed
• Review code, mentor teammates, and help raise the frontend team’s technical bar

Skills

Svelte

TypeScript

Frontend architecture

State management

API integration

Design system

Component libraries

Performance optimization

Remote collaboration

Code review

Job description

You’ll own major parts of our frontend architecture, collaborate closely with product and design, and bring beautiful, highly-usable experiences to life. This is a high-impact role for someone who loves turning messy real-world workflows into elegant, reliable interfaces.

What You’ll Do:

• Build and maintain core frontend features using Svelte, TypeScript, and modern web tooling.
• Own large, complex UI projects end-to-end — from architecture and implementation to polish and performance.
• Collaborate with product designers and backend engineers to translate business logic into intuitive interfaces.
• Shape and evolve our design system and component libraries for consistency and speed.
• Review code, mentor teammates, and help raise the overall technical bar of the frontend team.

What You’ll Bring:

• Typically, 5+ years of professional experience in frontend or full-stack engineering.
• Deep understanding of frontend architecture, state management, and API integration patterns.
• An eye for design and empathy for users — you care about how things look and feel.
• Strong communication and collaboration skills in a remote, async environment.
• Experience with frontend performance optimization is a plus.