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Salary: USD 120,000 - 180,000 / annual
Sirius Technology is building AI agents to solve subscriber churn for consumer subscription brands. Backed by a16z Speedrun, the company works with clients like Higgsfield and Promova to help retain users, extend lifetime value, and accelerate growth. The founding team includes Azamat Khamidov, who scaled a Telegram AI product to 5M users in four months, and Benazir Toleubekova, who architected recommendation engines at Alibaba serving 500M daily users.
As a Frontend Engineer, you will design, develop, and maintain user-facing components of core products. Key responsibilities include architecting scalable, user-friendly interfaces for new features; collaborating with backend engineering, product, and design teams on integrated solutions; driving adoption of modern frontend technologies and methodologies; identifying and resolving technical challenges around UX, performance, and security; and contributing to a culture of continuous improvement within the engineering team.
You should have 1+ years of professional frontend development experience with production-level applications. Required skills include 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 and performance optimization, and strong analytical skills to independently drive projects. You must be based in San Francisco or able to work full-time on-site; visa sponsorship is not available.
The company values stewardship, trust, customer obsession, excellence, and family. Work is in-person in San Francisco to enable faster problem-solving and team cohesion. Benefits include flexible healthcare spending, ownership of your work, daily lunch and snacks, and genuine time off.
