Frontend Engineer — Craft Scalable UI for AI Retention

BITKRAFT Ventures; San Francisco (CA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

In-person SF

Flexible healthcare

Ownership of work

Lunch & snacks

Time off

Company events

Job summary

Sirius is hiring a Frontend Engineer in San Francisco to design, develop, and maintain user-facing components of core products. You will work with backend, product, and design teams to deliver high-quality interfaces and drive frontend technology adoption.

Ideal candidates have 1+ year of production frontend experience, strong JavaScript/TypeScript skills, and a solid understanding of UI/UX and performance. This is an on-site role in SF with visa sponsorship not offered.

Qualifications

• 1+ year of frontend production experience.
• Advanced JavaScript/TypeScript with modern frontend frameworks.
• Experience wiring frontend apps to backend APIs.
• Solid UI/UX, performance, and frontend architecture knowledge.
• Strong analytical mindset and self-driven project delivery.
• Based in San Francisco and able to work full-time; visa sponsorship not offered.

Responsibilities

• Architect and build robust, scalable, user-friendly interfaces.
• Collaborate with backend, product, and design teams to deliver integrated solutions.
• Adopt modern frontend technologies to ensure quality and maintainability.
• Identify and resolve UX, performance, and security challenges.
• Contribute to engineering culture of continuous improvement.

Skills

Frontend development

JavaScript

TypeScript

Frontend frameworks

Backend API integration

UI/UX principles

Analytical skills

SF availability

Job description

Sirius is hiring a Frontend Engineer in San Francisco to design, develop, and maintain user-facing components of core products. You will work with backend, product, and design teams to deliver high-quality interfaces and drive frontend technology adoption.

Ideal candidates have 1+ year of production frontend experience, strong JavaScript/TypeScript skills, and a solid understanding of UI/UX and performance. This is an on-site role in SF with visa sponsorship not offered.