Software Developer - Mobile Applications

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.

About the Job:

The Android Developer internship offers an exciting opportunity to gain hands-on experience in developing cutting-edge mobile applications. As an Android Developer intern, you will work closely with our experienced team to create innovative solutions and contribute to real projects.

Roles & Responsibilities:

• Design and build advanced applications for the Android platform.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Work on bug fixing and improving application performance.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
• Participate in code reviews to maintain high-quality code standards.

Required Skills & Qualifications:

• Strong knowledge of Android Development and Kotlin programming language.
• Experience with Javascript, Testing and Debugging techniques.
• Proficiency in Android Studio, Android SDK, Java and Android Application Development.
• Familiarity with XML, RESTful APIs, and version control systems like Git.
• Understanding of SQLite database management.

Interested people Fill Form: https://forms.gle/vueTYZgrujGnrNEM8

Salary : 12k base + 3k bonus

🚀 *Join Our Team: Full-Time Android Developer with Flutter Experience*

*Company: MemoNeet*

MemoNeet, a leading Edtech Startup with over *900K+ downloads* for NEET exam preparation about to reach Million Users, is on a mission to empower students through innovative technology. We're seeking a talented and passionate *Android Developer* to join our core team. If you have a strong foundation in Android development and are proficient in *Flutter*, we'd love to hear from you!

*Role and Responsibilities:*

- Develop and maintain native Android applications using *Kotlin* and *Java*.

- Collaborate with cross-functional teams to design, develop, and implement new features.

- Utilize *Flutter* to enhance user experiences and create seamless, responsive UIs.

- Work with *Firebase* and *Room Database* for data storage and retrieval.

- Implement *Android Jetpack* components and follow best practices for architecture.

- Apply *MVVM* and *Clean Architecture* patterns to build robust, scalable apps.

- Handle remote data interactions via *REST* APIs and *JSON*.

- Be a logical thinker, open to learning new technologies, and contribute to the product's success.

*Qualifications:*

- *Strong knowledge of Kotlin, Java, and Android Studio (Native)*.

- Experience with *Flutter* and understanding of its ecosystem.

- Familiarity with *Android Jetpack, multithreading (using **Coroutines*), and other architecture components.

- Proficiency in *MVVM* and *Clean Architecture* design patterns.

- Passion for entrepreneurship and a desire to contribute as a long-term Co-Founder.

*Interview Process:*

1. *Preliminary Interview (F2F)*: Get to know our team and discuss your experience.

2. *Coding Round*: Showcase your skills through a practical coding challenge.

3. *Final Interview (F2F)*: Dive deeper into your technical abilities and alignment with our vision.

*Perks and Benefits:*

- *Stipend Analysis: Initial 3 months with a Base pay of **15k/month* + performance-based bonus upto to 5K/month*

⁠

- *Mentorship*: Learn from our startup journey, failures, and successes.

- *Co-Founding Opportunity: Earn company shares (up to **5%*) as a dedicated team member.

- *Remote Work*: Enjoy flexibility while contributing to our mission.

- *Additional Perks*: OTT platform subscriptions, course reimbursements, meal pass, festive gifts, and travel allowance.

*Note*: We're looking for committed individuals who treat our company as their own. If you're ready for a long-term journey and want to make a meaningful impact, apply now!

Job Description:

• Strong proficiency with JavaScript / Core Java and other related technologies.
• Expertise in developing models and scalable Microservices components.

Good to have:

• Knowledge of Databases such as MySQL, DB2, Oracle and etc. (at least one)
• Basic understanding of front-end technologies, such as HTML5, and CSS3

Roles & Responsibilities:

• Developing and maintaining scalable APIs using Node.js
• Writing reusable, testable, and efficient code
• Integrating user-facing elements developed by front-end developers with server-side logic
• Designing and implementing low-latency, high-availability, and performant applications
• Implementing security and data protection measures
• Integrating data storage solutions (MongoDB, MySQL, etc.)
• Staying abreast of developments in web applications and programming languages

• 3+ Years of experience in developing iOS applications
• Experience in defining system architectures and exploring technical feasibility tradeoffs.
• Should have experience with Swift, Autolayout, MVVM / MVP Design pattern.
• Should have experience with common iOS libraries like RxSwift, Alarmofire etc
• Debugging skills, including identifying memory leaks, performance bottlenecks.
• Good command over Data Structures and Algorithms.
• Understanding of design for scalability, performance and reliability
• Experience working in an Agile environment and project management tool like Jira
• Good to have experience in working with Google Maps and have published one or more app on app store.
• Good to have experience in CI/CD, Core Data, Swift UI, App Clips, Integrating with Payment Gateways

Mobile Application Developer

Cubera is a data company revolutionizing big data analytics and Adtech through data share value principles wherein the users entrust their data to us. We refine the art of understanding, processing, extracting, and evaluating the data that is entrusted to us. We are a gateway for brands to increase their lead efficiency as the world moves towards web3.

The ideal candidate will be responsible for the technical design and implementation of new products and enhancements. They will work in all phases of the development cycle: concept to implementation.

Responsibilities

3+ yrs of experience in Cross Platform React-Native based app development.

Hands-On Experience of Android and IOS Cross Platform Development.

Should be well-versed with Mobile Application Architecture, React/React Native Life Cycle and Redux.

Good Command on Javascript Coding, CSS3 and HTML5 and ES6 Standards.

Basic Understanding of Graphic Design and UX Design.

Good understanding of OOP, design patterns, and industry best practices.

Self-motivated to explore new technologies, applications, and environments.

Hands-on Experience with Node JS and MongoDB is good to have.

Share ownership of the sprint, define task backlog and development process.

Reach out to the open-source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.

Leverage native APIs as necessary for deep integrations with both platforms.

Write, document, and maintain code and automated tests to ensure the product is of the highest quality.

Develop and maintain build process with CI/CD tools for automated builds.

Qualifications

Bachelor’s degree or equivalent in Computer Science.

3+ years’ experience in related area.

Experience with iOS and Android platforms.

Job Category: Development

Job Type: Full Time

Job Location: Bangalore

Experience: 3-5 Years Experience

Skills:

Javascript, Node JS, HTML, CSS, Advanced JS

Location : Ahmedabad only 

NO  WORK FROM HOME 

ONLY  WORK FROM OFFICE 

• 2-5 years of professional Android Application development experience.
• Experience in designing, development, and REST API Integration of Android Applications using Dart, Java, or Kotlin.
• Strong knowledge of Android UI design principles, patterns, and best practices.
• Ability to design, build, and maintain high-performance, reusable, and reliable code.
• Deep knowledge of Android SDK, different versions of android, and handling of multiple screen sizes.

The ideal candidate will be responsible for the technical design and implementation of new products and enhancements. They will work in all phases of the development cycle: concept to implementation.  

• Perform full life-cycle development
• Adhere to agreed upon delivery schedules
• Utilizes source control, continuous integration, and unit testing best practices
• Work cross-functionally to define and write code for new features

Qualifications

• Bachelor's degree or equivalent in Computer Science
• 2+ years' experience in related area
• Experience with iOS and Android platforms