Senior Backend Engineer

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

About The Role

As a Senior Backend Engineer at Mochi Health, you’ll be responsible for the core systems and data channels that facilitate a world-class experience for our customers, pharmacy technicians and many more team members who interface with our proprietary platform each and every day. You will work with talented engineers, building out cutting-edge systems from Machine Learning path finding algorithms to hand-crafted video encoding protocols, all in service of providing deeper capabilities and insights to the customer experience. Take advantage of developments in artificial intelligence to bring innovative and exciting new features to our customers. These are just a few of the intriguing challenges you might be faced with at Mochi Health.

What You’ll Do

• Lead the development, optimization and expansion of our core backend services. (Typescript/Python)


• Drive best practices in performance, security, and scalability as we scale rapidly over the next 6/12 months.


• Collaborate closely with Product, Design and Frontend teams to deliver seamless, intuitive user experiences.


• Own key architectural decisions, mentoring engineers, and elevating back-end excellence across the company.


• Build out data-driven services and systems to bolster the customer experience.


• Influence engineering culture, fostering innovation and technical ownership within the team.

Who You Are

• Startup mindset: you thrive in fast-moving environments, take ownership, and love solving problems at scale.


• 7+ years of back-end development experience, with deep expertise with Typescript/Python.


• Experience leading technical initiatives and shipping scalable, high-performance systems to support web and mobile applications.


• Strong knowledge of modern back-end tooling. (ESLint, CI/CD pipelines)


• Fluent in bash scripting and linux/unix commands


• A passion for creating fast, optimised and elegant solutions to difficult problems.


• Expertise with AI code generation tools


• Bonus: Experience with WebSockets, real-time data, compiled code languages, or healthcare-related applications.

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

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 socials, happy hours, and spontaneous events. Our stocked kitchen doesn’t hurt either

📍 Downtown SF HQ - Our San Francisco office is just steps from BART, Muni, and great food. It’s designed for deep work and casual collaboration

#LI-Onsite #LI-AK1

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.