Senior Full Stack Engineer

About the company Our client is a fast-growing software company. The role Raydar is recruiting for this role on behalf of our client. Act as a hands-on senior engineer who owns the customer-facing side of a web application, carrying features from first prototype through release with care for polish and speed. Work side by side with leadership and cross-functional colleagues while raising the bar for code quality and coaching other engineers. What you'll do - Design and build full-stack features, including refined user interfaces, dependable APIs and scalable backend services. - Take product features from early prototype to launch, paying close attention to responsiveness, usability and visual finish. - Collaborate with product, sales, marketing and leadership to connect third-party generative AI models through their APIs and open up new use cases. - Translate design mockups into polished, production-ready interfaces. - Lead large product initiatives from concept to release, including upcoming launches. - Define coding conventions and quality practices for the team, and coach colleagues through your own example. Requirements What we're looking for - 5 to 10 years of professional experience delivering full-stack web products. - Industry experience with TypeScript and AWS, including React front ends and Node.js back ends. - Background building full-stack systems that scale, such as data-heavy processing, search and retrieval, or background job workflows. - At least 12 months of professional experience building LLM-based or agent-based products at a startup or AI-focused company; personal projects do not count. - Startup experience; a career spent only at large technology companies is not a fit. - A portfolio of shipped interfaces or products that demonstrates strong product sense and visual taste. - Solid computer science fundamentals, including system design, algorithms and application architecture. - A formal computer science or engineering degree. - Fluent English for reading, writing and speaking. - A record as a hands-on technical lead who raises standards and helps mid-level engineers grow. - Ability to work on-site five days a week in a fast-paced startup and start in the office right away. Bonus points - Familiarity with working on media or video technology. - Experience with consumer-facing generative AI products. Benefits Compensation and benefits - Base salary: USD 225,000 to 275,000 per year - Equity - Health, dental and vision coverage Location and work model - San Francisco, CA, United States - On-site, 5 days a week in the office - Full-time