Lead React Native Developer

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

About UpSolve:

UpSolve is a cutting-edge AI company specializing in providing sophisticated solutions for business decision-making. Our AI solutions cover a wide spectrum, including Video, Image, and Text analysis, empowering businesses to make quicker and more precise choices.

Role Description:

We are seeking highly motivated Hybrid App Developers to join our dynamic team in Mumbai. As an App Developer, you will play a crucial role in developing top-notch applications for both iOS and Android platforms. Your expertise will be essential in delivering high-quality, user-friendly applications that align with our company's mission and vision.

Key Responsibilities:

• Collaborate with cross-functional teams to design, develop, and deploy hybrid applications for iOS and Android platforms.
• Implement user-friendly interfaces and engaging user experiences using application development frameworks and programming language.
• Ensure application performance, responsiveness, and efficiency across various devices.
• Work on UX/UI designs and translate design concepts into functional app interfaces.
• Conduct thorough code reviews, identify bugs, and implement solutions to maintain code quality.
• Stay updated with the latest industry trends, technologies, and best practices in hybrid app development.

Qualifications:

• Minimum 1.5 years of hands-on experience in hybrid app development.
• Strong understanding of mobile app architecture and UI components.
• Familiarity with RESTful APIs and integration of third-party libraries.
• Ability to work collaboratively in a fast-paced environment, with excellent communication skills.
• A portfolio of previous app projects demonstrating your expertise and creativity.
• Bachelor's degree in Computer Science or related field is preferred.

Job Description

We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Responsibilities

• Build pixel-perfect, buttery smooth UIs across both mobile platforms.
• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Transition existing React web apps to React Native.
• Firebase and cloud function expereince would be huge plus

Skills

• Firm grasp of the JavaScript (and TypeScript ) language and its nuances, including ES6+ syntax
• Knowledge of (functional or object-oriented) programming
• Ability to write well-documented, clean Javascript code
• Rock solid at working with third-party dependencies and debugging dependency conflicts
• Familiarity with native build tools, like XCode, Gradle (Android Studio, IntelliJ)
• Understanding of REST APIs, the document request model, and offline storage
• Experience with automated testing suites, like (Jest or Mocha)

• 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

Tatsam is a stealth mode, venture-backed mental healthcare company based in India.
We're redesigning mental health and wellness experiences for the modern day working professional, have raised angel round from top-tier investors, and signed some of the largest Indian enterprises and startups for the upcoming private beta launch… and we’re just getting started.

The startup is led by a team of CXOs who are serial entrepreneurs (YC alumni, IIT alumni, CXO in large enterprises). They are supported by a team of behavioral design experts, clinicians and counsellors with vast experience, and technologists on a mission to improve mental health and wellbeing for the modern day working professional.

RESPONSIBILITIES:

• Developing app using Flutter for both Android & iOS platforms.
• Writing quality code independently that is simple, reliable, and scalable.
• Evaluating and implementing out-of-the-box ideas for application development.
• Working with the team to manage, optimize, and customize multiple applications.
• Detecting and troubleshooting application issues.

REQUIREMENTS:

• Must have 2+ years of experience in native mobile development (Android / iOS).
• Must have 1+ years of experience in Flutter.Should have worked and successfully deployed apps using Flutter framework.
• Good knowledge of Flutter SDK & Dart programming language.
• Should have worked on mobile platforms like Android or iOS.
• Should have developed & worked with Flutter widgets for iOS & AndroidExperience with any of the state management solutions like Bloc, Provider, Mobx, etc.
• Mobile app architecture design and optimization.Extreme attention to detail and the ability to match the design as closely as possible.
• Ability to work closely with Product Managers, other development team members.
• Understanding of Functional Reactive Programming is a must.
• Comfortable with Test-Driven Development.

The Opportunity
You will enter a close group of exceptionally talented people who in the last 2-months have secured incredible investors, partners, clients and advocates. We will continue this momentum till our vision of being able to provide good mental health and wellbeing avenues for the modern day professionals is achieved. If we like each other and agree to partner in this journey, this has the potential of resulting in a compounded career and mental growth for you.