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Senior Mobile App Developer — Build Sniff's Pet Care App (Contract → Potential Full-Time)

Onsite or remote • Kolkata+1🌐 Remote💼 Contract🗓 2026-06-25

Core

Design and build an MVP mobile application for pet care from scratch, including user onboarding, pet profiles, and transactional features.

Role type

Senior Mobile App Developer (Founding Engineer)

Builds

Consumer mobile app for iOS and Android

Domain

Pet-tech / D2C

Deliverable

production ML models | product features

Required skills

Mobile app development (iOS/Android), Architecture design, Testing, Product decision-making, Backend integration, Push notifications, Analytics

Preferred skills

Early-stage product experience, 0-to-1 product building, D2C or consumer brands, Pet-tech

Technologies

React Native, Flutter, Native iOS/Android

Responsibilities

Design and build MVP mobile app from scratch, Integrate backend and authentication, Ship polished v1 to App Store and Play Store, Write clean, maintainable code with documentation

Seniority

Senior, hands-on IC

Rewrite
## About the Role This is a contract engagement, to design and build Sniff's MVP mobile app from scratch. If the working relationship clicks and the product takes off, this can convert to a full-time founding engineer role. You'll choose the stack, shaping the architecture, and shipping a polished v1 to the App Store and Play Store. You'll work directly with the founder (no middle layer, no committee). ## What You'll Build - A consumer mobile app for iOS and Android (stack is your call, React Native, Flutter, or native) - Core flows: user onboarding, pet profiles, in-app content, and one or two transactional features - Backend integration, authentication, push notifications, basic analytics - Clean, maintainable code with documentation so the next engineer (possibly you, full-time) can build on it ## Who We're Looking For - 5+ years building consumer mobile apps that have actually shipped to production - At least one app in your portfolio you can point to in the App Store or Play Store - Strong opinions on architecture, testing, and shipping discipline - Comfortable making product calls, not just executing tickets, this is a founder-and-engineer setup - Bonus: experience with early-stage / 0-to-1 products, D2C or consumer brands, or pet-tech ## What We Offer - Contract fee: competitive, paid monthly against milestones (open to discussion based on scope) - Direct line to the founder; fast decisions, no bureaucracy - Path to a full-time founding engineer role - Remote accepted, India-based team
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