Ionic Developer

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.

Job Description:

We are looking for a skilled React Native Developer to design, develop, and maintain high-performance cross-platform mobile applications for Android and iOS.

The ideal candidate must have strong command over React Native, TypeScript/JavaScript, and working knowledge of Kotlin (Android) or Swift (iOS) to build and integrate native modules when needed.

You will work closely with backend, design, and product teams to deliver seamless, fast, and stable mobile experiences for the ZestFindz ecosystem.

Key Responsibilities:

• Develop and maintain cross-platform mobile applications using React Native.
• Collaborate with design and product teams to deliver pixel-perfect, responsive UIs.
• Integrate REST APIs / GraphQL and handle authentication, caching, and error states efficiently.
• Implement and manage app state using Redux.
• Optimize app performance, handle animations, memory leaks, and rendering issues.
• Manage offline storage using SQLite / AsyncStorage / MMKV.
• Configure and manage Firebase services - Auth, Firestore, Push Notifications, Analytics.
• Handle deep linking, in-app navigation, and app lifecycle events.
• Deploy apps to Google Play Store and Apple App Store (with signing, provisioning, versioning).
• Work with DevOps to integrate apps into CI/CD pipelines (Fastlane / GitHub Actions / Codemagic).
• Write clean, modular, reusable code with proper documentation and testing.
• Debug, profile, and optimize performance for low-end devices and weak networks.
• Ensure security best practices - secure token storage, environment management, and data encryption.

Must-Have Skills:

• Strong experience in React Native (0.70+) and TypeScript.
• Experience with React Navigation, Redux and API integration (Axios / Fetch).
• Familiarity with Firebase, App Permissions, and Push Notifications (FCM/APNS).
• Understanding of Android Studio, Xcode, Gradle, and Cocoapods.
• Ability to write clean, testable code with unit and integration tests.
• Working experience with Git / GitHub / GitLab CI/CD.
• Problem-solving mindset and ability to debug across full mobile stack.

Good-to-Have Skills (Bonus):

• Knowledge of native SDK integrations (Maps, Camera, Payments, etc.).
• Experience with React Query / GraphQL.
• Familiarity with Fastlane, Crashlytics, App Center, or Sentry.
• Understanding of UX principles and animation libraries (Lottie, Reanimated).
• Experience with OTA updates (CodePush) and App Store Optimization (ASO).

-The role which we are hiring is of Individual Contributor.

-Framework and principles of React Native

-Architecture patterns

-Redux

-IOS & Android

-Redux Saga.

-TypeScript/JavaScript

-Class/Functional Components

-Hooks

-NFRs(Accessibility, Unit test cases)

-Component Lifecycle events

-Knowledge of Flat list, Flexbox, UI creation

-High Order Components

-Security and Performance aspects

-Native bridging

-Code Push

-App Distribution and deployment

-SSL Pinning

-Navigation concepts

-Networking

Job Title: Senior React Native Developer

Location: Bangalore / Noida

Employment Type: Full-Time Job

Description: As a Senior React Native Developer, you will be responsible for architecting, building, and maintaining high-quality mobile applications. You will collaborate with cross functional teams to deliver solutions that align with the overall product architecture, ensuring smooth integration across different layers of the infrastructure. You will play a key role in the end to-end development process, from concept to deployment, while maintaining the highest standards of code quality.

Key Responsibilities: -

• Take ownership of the entire development lifecycle including analysis, functional decomposition, modelling, prototyping, code review, testing, deployment, and reporting for project deliverables.
• Maintain and optimize code while writing automated tests to ensure product quality and performance.
• Ensure timely and high-quality delivery of product releases.
• Provide accurate technical effort estimates to assist in project planning and resource allocation.
• Participate in the technical recruitment process as part of the interview panel.
• Collaborate with clients, senior business leaders, and technology teams to ensure effective communication and project alignment.

Required Skills & Experience:

• 5 - 8 years of experience in mobile application development.
• 4+ years of hands-on experience developing with React Native.
• Strong proficiency in JavaScript (ES6), React Native, CSS, and JSON.
• Familiarity with Java and experience with both Android and iOS platforms.
• Solid understanding of the mobile ecosystem, including performance optimization and monitoring.
• Deep knowledge of Native Components, Core Components, and React Native libraries.
• Experience building scalable mobile apps, with an understanding of mobile architecture and best practices.
• Expertise in debugging, root cause analysis (RCA), and problem-solving.
• Ability to multitask effectively, manage deadlines, and work under pressure.
• Strong analytical thinking, and confidence in engaging with clients and senior stakeholders.

Preferred Qualifications:

• Experience working in agile development environments.
• Familiarity with CI/CD pipelines and version control systems (e.g., Git).
• Knowledge of mobile performance optimization techniques. Mandatory Skills:
• React Native, JavaScript (ES6), CSS, Android/iOS Development.

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

We are looking for a React Native developer interested in building high-performance 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.

• Firm grasp of the JavaScript and TypeScript language and its nuances, including ES6+ syntax
• Knowledge of functional and 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 Android Studio, IntelliJ   
• We are only considering Pune-based candidates who can start immediately / within 30 days

We are looking for a Senior React Native Mobile App 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.

• 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

• Firm grasp of the JavaScript and TypeScript or ClojureScript language and its nuances, including ES6+ syntax
• Knowledge of 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
• Experiences with automated testing suites, like Jest or Mocha

Frontend Developer   

2-4 years/Remote or Kochi   
                                        

Farmers Fresh Zone, is a Direct to Consumer Brand Backed by the Indian Angel Network. The startup lives across 5 South Indian cities. We cater to the needs of urban customers with our safe-to-eat, pesticide-free fruits & vegetables that are directly sourced from our farmers. This is possible with our technology-driven platform & demand prediction model. In short, we’re the high-tech marketplace that’s beneficial to both, the consumers & farmers.

For more info visit our website: https://www.farmersfz.com/">https://www.farmersfz.com/

The role, in a nutshell

As a Frontend Developer at FFZ, you will be part of our core development team, and will have complete ownership of our frontend application. You will bring  concepts / user stories to life with ReactJS/Next.JS, HTML and CSS and an opportunity to create highly responsive web designs that work across multiple platforms and browsers. 

What you’ll do at FFZ

• Bring concepts / user stories to life with ReactJS/Next.JS , HTML and CSS
• Create highly responsive web designs that work across multiple platforms and browsers.
• Ensure the technical feasibility of UI/UX designs and implement them.
• Explore and implement SEO best practices

Who you are

• At least 2 years of experience working on Typescript/JavaScript, React/React Native
• Experience / willingness in working with Next.js
• Experience with front-end development tools, build tools and versioning tools.
• Ability to write clean code, necessary tests and ensure high code quality.
• Experience integrating REST APIs and services
• Understanding / familiarity with web security concepts.

Nice to have

• Experience working with Flutter (preferred) or any other cross-platform development tool
• Experience developing mobile applications.

What we offer 

• Complete ownership of our frontend application.
• Competitive salary and an excellent equity package.
• Stellar team, great start-up culture, work-life balance with generous holidays. 

Principal duties and responsibilities:

• Design and implementation of automotive applications
• Analysis of customer product requirements
• Review and investigate issues in code developed by peers
• Partner closely with customers and other Cerence teams to establish and maintain clear, concise communication through regular reporting, meeting participation, and follow-up
• Adopt underlying layers for Android Automotive to run on customer hardware

Education: Bachelor/Master in Computer Science, Engineering, or equivalent

Minimum years of work experience: 4+ years of industry experience

Required skills:

• 4 + years’ software development experience, preferably for automotive and in connection with user interface technologies
• Experience using modern development processes/tools and developing through the complete Software Development Life Cycle
• Experiences in programing and scripting languages (JAVA, Python, Typescript)
• Experience with using source control tools like Git and CI/CD pipeline tools like Jenkins
• Experience working in / Knowledge of Agile/Scrum framework
• Experience in Android development
• Knowledge of the open-source Android ecosystem and the libraries available for common tasks
• Strong object-oriented analysis, design, and coding skills
• Fluent in English both written and spoken
• Strong team player and customer focus

Preferred skills:

• Good knowledge of Android Automotive platform
• Experience with VS Code
• Ability to set-up and hardware equipment in support of software development tasks (i.e. configure software on target device, connect cabling/power suppliers, etc.)