Frontend Engineer

Sirius • San Francisco, CA

2d • Onsite

About The Position

We're on a mission to make subscriber churn a solved problem. Backed by a16z Speedrun, we build AI agents that help consumer subscription brands — like Higgsfield and Promova — retain more users, extend lifetime value, and grow fast. We're an incredibly driven team working on a problem that affects every consumer on the planet. If that sounds like your kind of thing, we'd love to meet you. Our co-founders are Azamat Khamidov and Benazir Toleubekova. Azamat built a Telegram AI product from zero to five million users in four months, the first acquisition inside Telegram. Benazir received a full scholarship to Beijing University of Technology at 15. Joined Taobao at 17. At Alibaba, architected the core recommendation engine serving 500M daily users.

Requirements

• +1 year of professional experience in frontend development for production-level applications.
• Advanced proficiency in JavaScript/TypeScript and modern frontend frameworks
• Demonstrated experience integrating frontend applications with backend APIs and third-party platforms.
• Solid understanding of UI/UX principles, performance optimization, and frontend architecture.
• Strong analytical skills and the ability to independently drive projects to completion.
• Based in San Francisco or able to be here full-time.
• We're not offering visa sponsorship at this time.

Responsibilities

• Architecting and building robust, scalable, and user-friendly interfaces to support new product features and evolving business needs.
• Collaborating effectively with backend engineering, product, and design teams to deliver high-quality integrated solutions.
• Providing technical leadership by sharing best practices, mentoring team members, and actively participating in code reviews.
• Driving the adoption of modern frontend technologies, frameworks, and methodologies to ensure product quality and maintainability.
• Identifying and resolving complex technical challenges related to user experience, performance, and security.
• Contributing to a culture of continuous improvement and operational excellence within the engineering team.

Benefits

• Flexible healthcare: We offer flexible spending to direct your benefits toward what matters most to you and your family.
• Own what you build: We're building something real, and we want you to own it.
• Lunch, coffee & snacks: Daily lunch, plus coffee, tea, and snacks to keep you going.
• Time off that's actually off: Take the time you need to show up as your best self. We mean it.
• Company Events: Take the time you need to show up as your best self. We mean it.

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level
• Education Level: No Education Listed