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HealMint AI · 8 hours ago

Full-Stack Engineering Intern

San Francisco Bay Area

Internship

Onsite

Intern

$2,000/mo - $3,500/mo

1+ years exp

HealMint AI is building a next-generation wellness platform that combines wearable data and AI-driven health intelligence. They are seeking a Full-Stack Engineer Intern to help build end-to-end systems, including mobile frontends and backend APIs, while collaborating closely with the CTO and founders.

Hospital & Health Care

Hiring Manager

Mengfan Zhang

Responsibilities

Build a mobile-first app using React Native

Implement key user flows: Onboarding & authentication, Daily health dashboard, AI chat interface, Data vault & rewards screens

Integrate native SDKs (Apple HealthKit, Google Health Connect)

Ensure a clean, fast, and offline-safe UX

Collaborate closely with UI/UX design in Figma

Design and implement backend services using Python / FastAPI

Build APIs for: Authentication & identity, Wearable data ingestion, Data normalization & aggregation, AI insight delivery, Points & rewards ledger

Design clean, well-documented REST APIs

Implement secure data storage and encryption (S3 / GCS)

Integrate with domain-specific LLMs via a structured gateway

Implement the AI orchestration layer: Feature engineering, Rule-based insights, LLM explanations and coaching

Ensure AI safety guardrails (no diagnosis, no medical claims)

Add logging and observability for AI outputs and quality

Collaborate with the CTO on model iteration and evaluation

Qualification

React / React NativePython backend developmentRESTful API designIntegrating third-party APIsDebuggingSystem-designAI / LLM integrationHealth data experienceWeb3 conceptsData privacyEncryption

Required

1 + years of full-stack engineering experience

Strong proficiency in: React / React Native

Python backend development

RESTful API design

Experience integrating third-party APIs and SDKs

Comfortable owning features end-to-end

Strong debugging and system-design skills

Ability to move fast while maintaining code quality

Preferred

Experience with health or wearable data (HealthKit, Google Fit, Fitbit, Oura)

Experience building AI or LLM-powered products

Familiarity with Web3 concepts (wallets, EVM, DIDs, smart contracts)

Startup or early-stage product experience

Experience with data privacy, encryption, or regulated domains

Company

HealMint AI

HealMint is building a next-generation wellness platform that combines wearable data, AI-driven health intelligence, and user-owned data infrastructure.

2-10 employees

https://drlemon.ai

Funding

Current Stage

Early Stage

Company data provided by crunchbase