Job Description
We are looking for a Mobile and Javascript developer who is proficient with React Native, React.js, and Typescript with 2 years of experience. The primary focus will be on developing UI components with React Native and React JS workflows with Typescript. This will include the use of automated integration tests with RTL. These components are expected to be robust and easy to maintain with the highest code quality. The coordination with the rest of the team working on different layers of the infrastructure should be effective.
Responsibilities
- • Delivering a complete mobile application OR front-end application using React Native/React JS and Typescript.
- • Building reusable components/widgets and front-end libraries for future use.
- • Translating designs and wireframes into high-quality code.
- • Writing tested, idiomatic, and documented code.
- • Optimizing components for maximum performance across multiple web browsers.
- • Mentoring junior developers, peer-to-peer code reviews, and ensuring that high.
- • Code quality bar should be maintained. Skills
- • Excellent proficiency in React Native, JavaScript, CSS, and HTML, including DOM manipulation and the JavaScript object model.
- • Thorough understanding of React Native, React JS, Typescript, and its core principles.
- • Experience with popular React Native andReact.js workflows (such as React-Redux, React-Router, React Hooks, etc.)
- • Experience with Class components and Functional components.
- • Experience with React Testing Library (RTL). Familiarity with Enzyme, Jest Framework and Cypress.
- • Experience with data structure libraries (e.g. Immutable.js)
- Experience with Backend technology like NodeJS, AWS
- • Familiarity with the front-end development tools such as Babel, Webpack, NPM, etc.
- • Experience with code versioning tools Git and its workflows.
- • Ability to solve problems effectively.
- • Ability to learn and explore new things effectively.
- • Familiarity with RESTful APIs.
- • Ability to understand business requirements and translate them into technical requirements.
- • Professional, precise communication skills.
- • Clear understanding of design patterns especially MV*.
- Experience with AWS is a big plus

About 3 Minds Digital
About
We are a design, development and digital marketing services agency that helps clients attain their business objectives by leveraging brand identity and creating a digital footprint. Our portfolio spans MNCs, SMEs & startups.
3 Minds is a perfect mix of left brain and right brain, so you get the best of both worlds!
We process all the information we receive in a linear and holistic manner. Identify the details, get clarity, get random thoughts out of the way, listen to some music and then get going.
We sift through a pool of ideas, taking only the best, resulting in a perfect blend of a practical and actionable strategy to help take your brand to the next level.
Connect with the team
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Position: Senior React Native Developer (4- 7 years)
Location: Remote (Company in Mumbai)
Company: Big Rattle Technologies Private Limited
Immediate Joiners only.
Summary:
We're looking for a seasoned React Native developer who has shipped production-grade mobile apps on both iOS and Android — ideally in the high-traffic, high-stakes world of e-commerce. You'll own the mobile experience end-to-end: architecture, performance, and flawless UX across devices.
Note: We are looking for a senior expert who has delivered multiple apps that are built from scratch and hosted on Apple Store/ Play Store i.e. e2e lifecycle.
KEY RESPONSIBILITIES
- Design and build scalable React Native apps for both iOS and Android from scratch to App Store / Play Store deployment.
- Architect complex e-commerce flows — product catalogues, cart, checkout, payment gateway integration, and order tracking.
- Optimize app performance: reduce TTI, maintain smooth 60fps animations, and manage memory on low-end devices.
- Integrate REST and GraphQL APIs; manage state with Redux Toolkit, Zustand, or React Query.
- Implement push notifications, deep linking, in-app navigation, and offline-first strategies.
- Write clean, well-tested code; maintain CI/CD pipelines using Fastlane, GitHub Actions, or Bitrise.
- Collaborate with designers, backend engineers, and product managers in Agile sprints.
- Conduct code reviews and mentor junior mobile developers.
Required Skills:
Core Mobile
▸ React Native CLI & Expo
▸ TypeScript
▸ React Navigation v6+
▸ iOS (Swift basics) & Android (Kotlin basics) ▸ Xcode & Android Studio
E-commerce & Integrations
▸ Product / Cart / Checkout flows
▸ Razorpay, Stripe, PayPal SDKs
▸ Wishlist, search UX, filters
▸ Order tracking & delivery status
▸ Push notifications & deep linking
State & Data
▸ Redux Toolkit / Zustand
▸ React Query / SWR
▸ REST & GraphQL APIs
▸ AsyncStorage / MMKV
▸ Firebase Realtime DB / Firestore
DevOps & Tooling
▸ Fastlane & GitHub Actions / Bitrise
▸ Jest (unit) & Detox (E2E)
▸ Firebase Crashlytics & Sentry
▸ Flipper / Reactotron
▸ App Store & Play Store deployments
Nice to Have skills: New Architecture · RN Web · AR try-on · RTL support · Shopify SDK · WCAG · Maps SDK
- React Native New Architecture (JSI / Fabric / TurboModules)
- React Native Web or monorepo setups (Nx, Turborepo)
- AR product try-on experiences (ARKit / ARCore)
- Shopify Storefront API or WooCommerce SDK experience
- Accessibility (WCAG mobile) implementation
- Live order-tracking maps (Google Maps / Mapbox)
Required Qualifications:
- Bachelor’s degree in Computer Science, Engineering, or a related technical field.
Why should you join Big Rattle?
Big Rattle Technologies specializes in AI/ ML Products and Solutions as well as Mobile and Web Application Development. Our clients include Fortune 500 companies. Over the past 13 years, we have delivered multiple projects for international and Indian clients from various industries like FMCG, Banking and Finance, Automobiles, Ecommerce, etc. We also specialise in Product Development for our clients.
Big Rattle Technologies Private Limited is ISO 27001:2022 certified and CyberGRX certified.
What We Offer:
- Opportunity to work on diverse projects for Fortune 500 clients.
- Competitive salary and performance-based growth.
- Dynamic, collaborative, and growth-oriented work environment.
- Direct impact on product quality and client satisfaction.
- 5-day hybrid work week.
- Certification reimbursement.
- Healthcare coverage.
Remote Work | Type: Freelance / Project-based
Preferred Location: Candidates from Gujarat will be preferred
What are we looking for?
- 3 to 4 years of experience in React Native development
- Minimum 1 year of experience in AI/ML integrations
- Good understanding of mobile app architecture
- Ability to work independently and meet deadlines
- Strong communication and problem-solving skills
What will you do at Digicorp?
- Build and maintain mobile apps using React Native
- Integrate AI-based features like chatbots, recommendations, etc.
- Collaborate with design and backend teams
- Test, debug, and optimize app performance
- Stay updated with latest tools and best practices
Skills Required:
- React Native, Redux, JavaScript/TypeScript
- AI/ML tools or APIs (OpenAI, TensorFlow, etc.)
- REST API integration
- Knowledge of Firebase or AWS (added advantage)
Primary Skills :
● 2+ year of experience developing React Native / Android applications.
● Excellent command over React Native ecosystem, Android Native SDKs, and third-party
SDKs.
● Firm grasp of the JavaScript language and its nuances, including TypeScript, ES6+ syntax
and tooling.
● Good knowledge and application of algorithms and data structures with space and time
complexities
● Ability to write well-documented, clean Javascript code with unit tests.
● Familiarity with native build tools like Gradle (Android Studio, IntelliJ)
● Follow Industry Coding standards & be responsible for writing maintainable/
scalable/efficient code to solve business problems.
● Knowledge of object-oriented programming
React Native, Typescipt/JavaScript, Redux and optionally Android
communication, student portfolios or reports creation, Toddle makes working together simple
and fun. Currently, Toddle is being used by 1,000+ progressive schools and 25,000+ teachers
across the world. All our growth has been 100% organic and fuelled by positive word of mouth. Over the next 3 years, our goal is to become the preferred teaching partner of more than 50% K-12 teachers across the world.
About the Lead Mobile Engineer Role
We are looking for a passionate and skilled Mobile Engineer, one who partners with us in
creating beautiful products for teachers, students and parents alike. As a Mobile Engineer, you
will play a major role in designing, developing and deploying high-quality web platforms. In this
multifaceted role, you will get the opportunity to work along curriculum experts, teachers, and
students, and user-test the product in real school settings.
Required Skills:
• Proficiency in mobile development in ReactNative
• Native development experience in iOS or Android
• Programming skills - JS, HTML5/CSS3
• Technologies/Frameworks - React,ReactNative, Node.js, GraphQL
Tooling: Webpack, Git
• Lead a team of 2 - 3 engineers
• Work experience: 5+ years
Good to have:
• Experience in dev ops - AWS, Lambda, RDS, CI/CD
• Experience in software testing for Web / Mobile
• Basics of Photoshop,Sketch
We're looking for an experienced and mature engineer (2-6 yrs experience), who wants to build incredible products while shaping the architecture, tools, and engineering culture of our company
Responsibilities:
- Architect and build our native Android application using Java or Kotlin.
- Set up our backend using either the MEAN (Mongo, Node) or Django stack.
- Collaborate with the design team on feasibility and design reviews.
- Set up DevOps processes - CI/CD and release management.
- Hire an additional backend engineer to scale the application based on requirements.
Requirements:
- You possess strong computer science fundamentals.
- You have native Android application development skills - with Java/Kotlin as a framework.
- You have strong knowledge of Android UI design principles, patterns, and best practices.
- You have built backends for mobile applications - using the MEAN or Django stack.
- You have some mobile app projects that are worthy of public view (Play Store, Github).
- You like discussing a plan upfront, welcome open collaboration and are an excellent verbal and written communicator.
- We’re a fast-paced environment so while we value robustness, we also hope for speed. You’ll hop from project to project and should be a self-starter.
- You are open to learning new stuff (important).
- You are humble, kind, and are open to feedback (important)
Note 2 - Immediate joiner required only max upto 15 days
- FCM,Geolocation,Camera,REST API,debugging,testing and deployment skills to both platforms Google play and apple app store.
Job Description :
- Energy and enthusiasm to work in a dynamic startup-style environment
- Will work on bug-fixing and improving application performance.
- Will Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
- Will collaborate with cross-functional teams to define, design, and ship new features.
- Should have experience with Mobile App developments on multiple platforms (React Native / iOS / Android)
- Should know about object-oriented programming concepts and design patterns
- Strong Knowledge of React.js
- Experience with third-party libraries and APIs
- Build pixel-perfect, buttery smooth UIs across both mobile platforms
- Very comfortable with SQL, NoSQL Databases like Couchbase
- Solid understanding and experience with JavaScript, Jquery, HTML5, CSS3
- Should have a working knowledge of the general mobile landscape, architectures, trends, and emerging technologies.
- Strong knowledge and experience of building for Security, Performance, and Scalability
- Should have a solid understanding of the full mobile development life cycle
- Great communication skills
- Good team player with a can-do attitude.
React Native Developer
- Experience in React-native, IOS Development (with Swift).
- Experience in IOS SWIFT Framework
- Proven experience in React Native components in native iOS and Android
- Good understanding of Android / iOS / Web design guidelines, SDK and excellent JavaScript skills.
- Knowledge of React and the Java script ecosystem
- Exposure to other hybrid mobile platforms like IONIC,Sencha, HTML5, PhoneGap, jQuery Mobile etc.
- Familiarity with RESTful APIs development.
- Expertise with code testing best practices, including unit and integration testing to ensure quality of code.
- Familiarity with code versioning tools such as Git, SVN, Github.
- Excellent verbal and written communication skills
Preferred Skills & Knowledge: IOS Development (Swift), React Native
At Alyve Health, we are building an AI powered digital health ecosystem which helps our members achieve outcomes. This is an opportunity to be a part of the founding team and work with senior founders who come from excellent professional pedigree. More importantly, this is an opportunity to significantly impact our members’ lives.
Work @ Alyve Health
In our prospective hires, we not only look for technical skills but also a culture fit. Everything we do is targeted at improving health outcomes of our customers – we are obsessed with this one thing and it guides all our decision making. We have no “pryamids” – if you join us, you will be trusted with the same information and degree of freedom that our founders have. We are a team of do-ers and creators. Finally, we take a lot of pride in having the courage to do things which perhaps nobody else would have done in the past; we look to innovate every minute of every day and decide boldly as well as quickly.
Your responsibilities:
• Working on end-to-end product development, from conceptualisation stage till the final product release
• Design and develop overall web app architecture
• Ensuring timely and continuous integration and deployment
• Ensuring responsiveness and efficiency of application
• Troubleshoot, debug and upgrade software as and when required
• Ensure complete and proper documentation of the product features and releases
• Adhere to the industry best practices, and ensure all data security and data protection measures are met
Develop responsive applications compliant with multiple browsers, platforms and devices
We look for:
• Experience in building web views and apps for Android & iOS platforms using any of the following tools/technologies- MEAN/MERN Stack, JQuery , CSS3, SCSS, Bootstrap, HTML, HTML5, XML, JSON, Angular JS, JQuery, Mobile, Android SDK with Android Studio, XCode, Swift framework etc.
• Possess working knowledge of web and mobile UX/UI. Adhere to design systems and apply to coded pages, screens and states
Experience in developing customer facing mobile web applications in Health-Tech space will be added advantage.
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.







