Senior Frontend Engineer

$250,000 - $300,000
Full-time / Onsite

About The Role

As a Senior Frontend Engineer at Mochi Health, you’ll be responsible for delivering a best-in-class web and mobile experience for not just our customers but our providers, pharmacy technicians and many more team members who interface with our proprietary platform each and every day. You will also be responsible for our React Native mobile application - implementing wearable devices integrations, building out custom-crafted video streaming protocols, improving our provider chat experience and much more. This role is ideal for someone with demonstrable experience in the Web and Mobile development world, who has also written native mobile code in languages such as Kotlin or Swift.

What You’ll Do

• Lead the development, optimization and expansion of our web and/or mobile applications. (React, React Native, TypeScript, Swift, Kotlin)
• Drive best practices in performance, security, and scalability as we scale rapidly over the next 6/12 months.
• Collaborate closely with Product, Design and Backend teams to deliver seamless, intuitive user experiences.
• Own key architectural decisions, mentoring engineers, and elevating front-end excellence across the company.
• Work hands-on with modern front-end tooling, component-driven architecture, and state management solutions.
• Optimize real-time interactions between patients, providers and pharmacies with a focus on accessibility and usability.
• Influence engineering culture, fostering innovation and technical ownership within the team.

Who You Are

• 7+ years of front-end development experience, with deep expertise in React and React Native, as well as some exposure to Kotlin/Swift. (e.g. Apple Health Kit <-> React Native Integrations)
• Experience leading technical initiatives and shipping scalable, high-performance web and mobile applications.
• Strong knowledge of modern front-end tooling. (TypeScript, CI/CD pipelines)
• Expertise in state management strategies and optimizing complex UX interactions in data heavy applications.
• A passion for creating fast, accessible, and beautiful user experience.
• Startup mindset: you thrive in fast-moving environments, take ownership, and love solving problems at scale.
• Bonus: Experience with WebSockets, real-time data, compiled code languages, or healthcare-related applications.

Life at Mochi 

• Comprehensive Health Coverage – Medical, dental, and vision insurance to keep you at your best
• Financial Security – 401(k) with company matching and fully covered life insurance
• Time to Recharge – Unlimited PTO, generous company holidays, and flexibility to take the time you need
• Wellness First – Group activities, mindfulness sessions, and fitness perks to support your well-being
• Connection & Community – Team lunches, office hangouts, and offsite meetups to build meaningful relationships
• High-Impact Work – Shape the future of digital healthcare at a pivotal moment in our growth
• Competitive Compensation – Top-tier salary and a generous equity package
• Fast-Paced & Exciting – Join a hypergrowth team that moves fast and builds with purpose
• World-Class Team – Work alongside top engineers, product leaders, and operators in a high-performance environment
• Prime Location – Enjoy a vibrant workspace in downtown San Francisco
• In Office Perks – Unlimited espresso & matcha, breakfast and lunch, 5 days a week!

The base salary for this full-time position ranges from $250,000 to $300,000, in addition to equity and benefits. The salary range listed in each job posting represents the minimum and maximum targets for new hire salaries across all locations. Actual compensation within this range is determined by various factors, such as job-related skills, experience, relevant education or training, and location.