Senior Frontend Engineer

$250,000 - $300,000
Full-time / Onsite (5 days/week)

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.

Our Core Technologies Include: Typescript, Javascript, Node.js, Next.js, React, React Native, SQL, Redis, Redux, New Relic, Kubernetes, CSS, AWS, Cypress, Docker, Express

Why Mochi

We’re building something ambitious, and we know that great teams are the foundation of great companies. At Mochi, you’ll work with collaborative people, move quickly, and help shape the future of our organization. If you’re excited by impact, ownership, and growth, we want to hear from you.

Life at Mochi 💫

At Mochi Health, we believe you do your best work when you feel your best. From thoughtfully designed perks and healthcare options to high-impact work and real ownership, everything here is built to support you.

🥗 Daily Meals and Espresso Bar - Breakfast, lunch, and dinner every weekday. Our on-site barista keeps the espresso and matcha flowing all day

💰 Pre-Tax Commuter Perks - Save on transit and parking through pre-tax commuter benefits

💸 Top-of-Market Compensation - We offer competitive salaries along with generous equity packages so you can share in the success you help create

💣 Profitable and Rapid Growth - We’re scaling fast, with financial discipline and long-term vision. No VC constraints, just sustainable momentum and smart decisions

🚀 High-Impact Work - Help shape the future of digital healthcare. Your work here directly improves lives and scales nationwide

👩‍💻 World-Class Team - Collaborate with teammates from Tesla, SpaceX, Citadel, Harvard, IIT, and more. We value excellence, humility, and empathy in equal measure

✨ Comprehensive Benefits - 401(k) with match, generous time off, life insurance, and high-quality medical, dental, and vision plans.

🌴 Time to Recharge – Enjoy unlimited PTO, generous company holidays, and true flexibility. We trust you to take the time you need to rest, reset, and thrive.

🧘 Wellness First – From weekly mindfulness sessions to group workouts and fitness perks, your physical and mental health are top priority

🎉 Team Socials and Community - We make time to connect through regular social