Mobile Game Dev - Unity 3D programmer

Lead Mobile Engineer - Android & iOS, AI-Native Healthcare Apps

📍 Location: Hyderabad, India

📍 Work Type: Full-Time | On-site / Hybrid

📍 Experience: 5–7 Years

Role Overview

Lead design, development, and delivery of mobile apps across Android and iOS. Own architecture, quality, and mobile engineering practice. Integrate Voice AI, conversational AI, and real-time features into patient-facing healthcare applications.

Key Responsibilities

Mobile Architecture & Delivery

•    Lead architecture and development of native or cross-platform mobile apps (Android & iOS)

•    Set technical direction, coding standards, and best practices for mobile

•    Deliver performant, polished, accessible mobile experiences at scale

•    Own app release process: app store submissions, versioning, mobile CI/CD

AI & Real-Time Integration

•    Integrate Voice AI, conversational AI, and LLM-powered features into mobile

•    Build real-time patient engagement experiences (streaming, push, WebSockets)

•    Collaborate with backend, product, and design on cohesive AI experiences

Quality & SDLC

•    Monitor app performance, crashes, and user feedback; drive continuous improvement

•    Champion mobile SDLC practices: testing, CI/CD, code review, release management

•    Leverage AI coding tools (Cursor, Copilot, Claude Code) to increase velocity

Leadership & Mentorship

•    Mentor and guide mobile engineers; conduct technical reviews

•    Own mobile engineering standards and drive architectural decisions

Requirements

•    5–7 years mobile development (Android & iOS)

•    Strong native expertise: Kotlin/Java (Android) and/or Swift (iOS)

•    OR cross-platform expertise: React Native or Flutter

•    Proven mobile architecture and technical decision leadership

•    Deep mobile performance, offline support, and security knowledge

•    Full app release lifecycle and store guidelines experience

•    Track record mentoring engineers and leading delivery

•    API integration and mobile-backend communication expertise

•    Strong ownership mindset and AI-first working style

Nice-to-Have

•    AI/LLM or conversational AI features in mobile apps

•    Video stack experience: streaming, recording, real-time communication (WebRTC)

•    Real-time/streaming and push notification systems at scale

•    Mobile open-source contributions or published apps at scale

•    Healthcare technology or health-tech startup experience

Why this opportunity?

•    Build infrastructure and products powering real-world healthcare AI

•    Work with AI-native engineering teams using cutting-edge tools (Claude Code, Cursor, Copilot)

•    Mission-driven impact — improve patient outcomes and save thousands of staff hours

•    High ownership, rapid learning, and significant career upside

•    Global collaboration across India and the US

•    Seed-stage growth — scale from Seed to Series A alongside the team

1. Work timings - You are the master of your time. However, with great freedom comes great responsibility. If you have committed something to the team, we expect that you will give it your best to make sure that commitment is done and is done on time.
   
2. Leave policy - Take a leave whenever for whatever reason you want. You don't need to explain yourself to us
   
3. Health insurance for you and your family

What does the core role include?

• Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
• Designing stateless components in React Native
• Contributing in all phases of the development lifecycle
• Working with the developers to create and maintain a robust framework to support the apps
• Working with the developers to build the interface with a focus on usability features

What else can you expect in the role?

• Prepare and produce releases of software components
• Optimizing performance for the apps
• Problem-solving skills, analytical mind, and positive attitude
• Ability to think from end users perspective and focused on improving the overall product experience.
• Deliver across the entire app life cycle concept, design, build, deploy, test, release to app stores and support

What can fetch you brownie points?

• Hands on experience with React Native is required
• Hands-on experience in React Native APIs, ReactJS, Javascript, ECMAScript (OOJS) and JSX.
• Strong understanding of JavaScript ecosystem
• Hands on experience on Android in creating Hybrid / Native applications
• Demonstrable UI/UX experience on a large-scale app.
• Thorough understanding of React Native development tools like IDEs (Nuclide, Atom, Sublime Text, or Visual
• Good knowledge of JS frameworks like ReactJS is a plus.
• Desired Skills and Experience
• Hybrid Apps,React Native, Native iOS and Android Architecture understanding

• Good experience in teamwork
• Should be work in agile methodology
• Everyday task update to team leader
• Master into research and development task for some major function
• Developer should have to be updated with latest technology

Technical

• Understanding of Application life cycle
• Knowledge of Programming language Dart
• Knowledge of Native Programming language Kotlin/Java and Swift/Objective-C
• knowledge and experience of Flutter and Dart SDK
• knowledge of Bloc coding structure or any other professional coding structure
• knowledge and experience of project version control [Git]
• Networking library like http and dio
• Local storage library like floor or moor
• Crashlytics and Analytics using Firebase
• Firebase push notification or any other
• Familiar with Google APIs. [Google Maps, Mapbox]
• Knowledge of OOPs and Dart/Flutter coding standard
• Must have experience into android and ios performance and optimize technique
• Must have knowledge of latest operating system for Android and iOS

• Design and Build sophisticated and highly scalable apps using flutter.
• Build custom packages in Flutter using the functionalities and APIs already available in native Android and IOS.
• Translate and Build the designs and Wireframes into high quality responsive UI code.
• Write efficient queries for core Data.
• Explore feasible architectures for implementing new features.
• Resolve any problems existing in the system and suggest and add new features in the complete system.
• Suggest space and time efficient Data Structures.
• Follow the best practices while developing the app and also keeping everything structured and well documented.
• Document the project and code efficiently.
• Manage the code and project on Git in order to keep in sync with other team members and managers.
• Interact with the Product Manager to help understand end-user feedback.
• Ensure security guidelines are always followed while developing the app.
• Suggest new features and/or enhancements.
• Maintain software through product lifecycle including design, development, verification and bug fixes.
• Resolve all the bugs in a timely manner.
• Execute app verification protocol.
• Follow company policies and quality procedures to ensure quality product deliverables.
• If you have experience with Bluetooth Low Energy (BLE) based devices and related applications please highlight the same in your resume

• Design, build and maintain high performance, reusable, and reliable Java & Kotlin code
• Writing unit-tests code for robustness, including edge cases, usability, and general reliability
• Take ownership of product/features: End to end development with testing and meet the deadline
• Work closely with our product and design teams to customize the Khatbook experience for the Android platform.
• Prototype new and redesign features.
• A focus on UI design principles and making apps work intuitively.
• Contribute best-in-class programming skills to develop highly innovative, consumer-facing mobile products.
• Writing efficient android code in Java/Kotlin following MVP framework guidelines.
• Tracing and profiling android java code. Own and manage the finance technology control frameworks.

About us:

Zapit aims to be a multi-platform single app solution for universal payments using blockchain technology. Our goal is to spread economic freedom by pushing the boundaries of p2p payments by introducing non-custodial decentralised financial services.

We are looking to build smart contracts that can be deployed for real world use cases such as insurances, loans and other useful decentralised financial products. We are also working towards building an economy where concepts like company shares, gift cards, discount coupons, loyalty points and more can be tokenised including NFTs in the form of art, music, gaming items, event tickets, design concepts and more.

Responsibilities:

• Collaborate with designers to develop a visually appealing, responsive & optimised app for mobile, web & desktop platforms.
• Use Flutter framework to develop great user experiences with effective workflows.
• Build reusable code and robust libraries of UI components.
• Write clean, maintainable and documented code with solid test coverage.
• Participate in the product roadmap discussions.
• Design, develop, test, deploy, maintain, scale and improve code base.
• Implement methods to understand user interaction and engagement on the product through metrics.

Requirements:

• Minimum experience of 1.5 years in Dart/Flutter development with a good knowledge of native Android & iOS development.
• Good understanding of Data Structures and Algorithms.
• Passionate and opinionated about beautiful design with an eye for detail.
• Should be updated with latest front end technologies and trends.
• Proficient knowledge of cross-browser compatibility issues and handle graceful degradation.
• Should have delivered multiple products.
• Interest in building things from scratch.
• Willingness and affinity to learn.
• Excellent communication skills.
• Self-motivated, work well independently or as part of the team.

Our Stack:

We tend to work with Javascript, Typescript, Dart, Flutter, gRPC, Express.js, Heroku, NodeJS, MongoDB, AWS, Solidity, Bitcoin Script.

Good-to-Have:

• Open Source contributions.
• Interest in Cryptocurrency/Payments space.
• Familiar with Git and GitHub/GitLab

Incentives:

• Equity in the company
• Get to work in a distributed team.
• Handsome pay. (Competitive)
• Fast opportunities for personal and professional learning and growth, tons of autonomy and responsibility, results-driven environment, international team, exposure to a wide array of ecosystems and trailblazing technology, flexible work hours.

Please include something beautiful you’ve implemented in the past if possible!

If you have examples of a project where you iterated after learning new things from potential users, please talk about that!

• Meaningful experience working on large, complex systems.
• Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon, both in regards to estimates and to the general process.
• Ability to identify with the goals of FullStack clients and dedicate yourself to delivering on the commitments you and your team make to them.
• An understanding of React Native best practices and a commitment to following them.
• Ability to work through new and difficult React Native issues and contribute to libraries as needed.
• Ability to create and maintain continuous integration and delivery of React Native applications.
• A positive mindset and can-do attitude.
• 2+ years of professional experience working with React Native.
•  

• Proficient with Objective-C or Swift, Realm
• Experience with iOS frameworks such as Core Data, Core Animation, etc.
• Experience with offline storage, threading, and performance tuning
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Proficient understanding of code versioning tools (such as Git, Mercurial or SVN)