Android 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.

We are looking for an experienced Android developer for the development and maintenance of an Android app aimed at drone pilots to execute drone flights. The application will have to be intuitive, robust and work offline.

You will be working along-side other mobile and web developers to develop a full-stack drone flight solution that enables drone service providers, pilots, and enterprises to execute fast, accurate, and seamless drone missions. You will work with cross functional product development team and will be responsible to design and build drone applications.

Qualification:

• Tech/M.tech/BCA/MCA Degree in computer Science/IT/Electronics.

Duties & Responsibilities:

• Design, build and maintain efficient, reusable, and reliable android code.

• 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

Skills:

• Hands-on experience in developing Android apps

• Experience with offline storage, threading and performing benchmarking and tuning.
• Well versed with the latest android jetpack libraries (AndroidX, ViewModels etc)
• Understanding of Android design principles and interface guidelines
• Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes.
• Proficient understanding of code versioning tools like Git
• Work with outside data sources and APIs (Familiar with frameworks like Retrofit, Volley, OkHTTP, etc.)
• Familiarity with cloud message APIs and push notifications.
• Good knowledge in programming concepts OOPs, design & coding patterns
• Experience in writing & executing UI Unit Tests for robustness, usability, and reliability.
• Experience with Google Play console and publishing apps on the play store

Soft Skills:

• Understanding of database structure, algorithms, and processes
• Familiar with database management and design
• Good communication and management skills
• Ability to adapt to new technology, concept, approaches, and environment faster
• Problem-solving and analytical skills
• Must have a learning attitude and improvement mindset
• Knowledge of non-functional aspects of the app/product such as security, automation, testing, performance, optimization
• Leadership and resource management skills

Do Your Thng 

https://doyourthng.com/ 

About us:

DYT - Do Your Thing, is an app, where all social media users can share brands they love with their followers and earn money while doing so! We believe everyone is an influencer. Our aim is to democratise social media and allow people to be rewarded for the content they post. How does DYT help you? It accelerates your career through collaboration opportunities with top brands and gives you access to a community full of experts in the influencer space. 

Role : Android Developer

RESPONSIBILITIES 

• Design components by translating product requirements, break down projects into tasks, and provide accurate estimates. Build scalable and reliable technology solutions at a rapid pace
• Work on native Android as well as Angular tech stack while keeping performance goals in mind
• Independently come up with different solutions, extensible Low-level design. Write modular, extensible, readable, and performant code
• Strong unit test and debugging skills 
• Proficient understanding of code versioning tools (git) 
• Excellent interpersonal, leadership, influence, and communication skills 
• Build, develop, mentor, and coach junior team members 

QUALIFICATIONS 

• Must have Working Experience in a product-based organization for at least 18 months.
• At least 2+ years experience and hands-on with mobile technologies
• At least one product build and publish 
• Work well under pressure and meet deadlines without sacrificing quality 
• Work with distributed development teams 
• Ability to resolve problems with support and must understand the mobile ecosystem and its limitations.
• Understand Android Architecture components, strong fundamentals in Android technologies, and aware of new Android changes

SKILLS  REQUIRED 

• Experience with kotlin is a must
• Knowledge of mvvm architecture/ android architecture components
• Knowledge of Rxjava and coroutines for multithreading
• Knowledge of retrofit/okhttp for making HTTP calls
• Knowledge of dependency injection using dagger2
• Knowledge of android framework components like services, fragments, intent services
• Knowledge of sql required 
• Experience in offline data management
• Write well designed, testable, efficient code 

Mobile App Developer

Notice Period: 45 days / Immediate Joining

Banyan Data Services (BDS) is a US-based data-focused IT Company that specializes in comprehensive data solutions and services, headquartered in San Jose, California, USA.

We are looking for Mobile App developers to join our development team based out of Bangalore. This team focuses on the most innovative and emerging data infrastructure management and DevOps tools to support highly scalable and available infrastructure.

It's a once-in-a-lifetime opportunity to join our rocket ship startup run by a world-class executive team. We are looking for candidates that aspire to be a part of the cutting-edge solutions and services we offer that address next-gen data evolution challenges.

Key Qualifications

· Minimum 1 - 3 years of experience working in a development team with hands-on experience in Android / iOS/Cross-Platform Development frameworks

· Design and build different layers of the iOS app or/and Android mobile applications

· Experience in submitting at least one application to Google Play Store or Apple App store

· Work on building a product from scratch and involve in the entire application lifecycle concept, design, test, release, and support

· Experience with third-party libraries, social media integration, and APIs

· Hands-on Flutter, open-source mobile application development framework

· Should understand and have knowledge on the application security practices/vulnerabilities

· Exposure to any of relation database technologies MySQL/Postgres/Oracle or any No-SQL database

· Worked on open - source tools for logging, monitoring, search engine, caching etc.

· Familiarity with RESTful APIs to connect iOS applications to back-end services

Key Responsibilities

· Ambitious individuals who can work under their own direction towards agreed targets/goals.

· Must be flexible to work on the office timings to accommodate the multi-national client timings

· Will be involved in solution designing from the conceptual stages through development cycle and deployments.

· Willing to learn new technologies and work on research-orientated projects

· Proven interpersonal skills while contributing to team effort by accomplishing related results as needed

· Scope and deliver solutions with the ability to design solutions independently based on high-level architecture.

· Independent thinking, Desire / Ability to work in a fast-paced environment with creativity and brainstorming

http://www.banyandata.com" target="_blank">www.banyandata.com 

1. Build pixel-perfect UIs across Android and iOS mobile platforms.
2. Leverage native APIs for deep integrations with both platforms. 
3. Diagnose and fix bugs and performance bottlenecks for performance that feels native. 
4. Developing and releasing complex, data-driven apps using React Native as the primary application framework. 
5. Proficiency writing Modern JavaScript, including ES6+, and JSX.
6. Maintain code and write automated tests to ensure the product is of the highest quality.
7. Must be able to develop high-performance cross-platform apps using React-Native.