Senior 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.

Job Description: Angular Developer

We are looking for an Angular Developer responsible for the client side of our service. Your primary focus will be to implement a complete user interface in the form of a mobile and desktop web app, with a focus on performance. Your main duties will include creating modules and components and coupling them together into a functional app. The artistic design will be delivered to you, together with a few HTML templates, but we will ask for your help in regard to animations, CSS, and final HTML output. You will work in a team with the back-end developer, and communicate with the API using standard methods. A thorough understanding of all of the components of our platform and infrastructure is required.

Responsibilities

· Delivering a complete front end application

· Ensuring high performance on mobile and desktop

· Writing tested, idiomatic, and documented JavaScript, HTML and CSS

· Coordinating the workflow between the graphic designer, the HTML coder, and yourself

· Cooperating with the back-end developer in the process of building the RESTful API

· Communicating with external web services

Experience Required: Minimum 2 – 4 years.

Skills and Qualifications:

· Proficiency with JavaScript , HTML5, Core Java and Angular (6 and above)

· Professional, precise communication skills

· Deep knowledge of Angular practices and commonly used modules based on extensive work experience

· Creating self-contained, reusable, and testable modules and components

· Ensuring a clear dependency chain, in regard to the app logic as well as the file system

· Ability to provide SEO solutions for single page apps

· Extensive knowledge of CSS and JS methods for providing performant visual effects and keeping the framerate above 30fps at all times

· Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system

· Validating user actions on the client side and providing responsive feedback

· Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed

· Creating custom, general use modules and components which extend the elements and modules of core Angular

· Experience with all levels of operation available to the front-end, such as from creating XHRs in vanilla JS to using a custom wrapper around $resource

· Experience with building the infrastructure for serving the front-end app and assets

· Architecting and automating the build process for production, using task runners or scripts

· Documenting the code inline using JSDoc or other conventions

· Writing extensive unit tests using automated TDD tasks

· Creating e2e test suites for all components, and running them with Protractor (or a well-reasoned alternative)

· Creating configuration, build, and test scripts for Continuous Integration environmen

We’re looking for a Senior Android developer who will take a key role in our team. You will be working alongside other engineers and developers, collaborating on the various layers of the infrastructure.

Responsibilities:

• Design and build advanced application features for the Android platform.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Work with outside data sources and APIs.
• Unit-test code for robustness, including edge cases, usability, and general reliability.
• Resolving/ fixing bugs and improving application performance.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

Requirements:

• Proven software development experience and Android skills development.
• Proven working experience in Android app development and Kotlin.
• Have published at least one original Android app.
• Experience with Android SDK.
• Experiece with Flutter Development
• Experience working with remote data via REST and JSON.
• Experience with third-party libraries and APIs.
• Working knowledge of the general mobile landscape, architecture, threading, offline data storage, trends, and emerging technologies.
• Solid understanding of the full mobile development life cycle.

Company name: Anviam Solutions Pvt. Ltd

Position: Software Developer/Software Engineer

Employment Type: Full Time.

Experience:2 to 5 Year

Knowledge:

We are looking for a candidate who is able to write functional code with a sharp eye for spotting defects and a good team player with an excellent communicator. If you are also passionate about the Android framework and software design/architecture, we would like to meet you. We will very welcome if you have knowledge of following:

• Excellent knowledge in core Java, Android & Android Studio.
• Hands on experience in the full life cycle of Android application development
• Strong knowledge in API Integration.
• Good Knowledge of Android SDK's
• Push Notifications & Toast
• Team handling skills
• Good knowledge of Java oops concepts
• Eclipse & ANT based build system
• Knowledge about MVP, Dependency Injection, Dagger, ORM & retrofit is a plus.

Skills/ Abilities:

• Must be high-energy, detail-oriented, and proactive and have the ability to function under pressure in  an independent environment.
• Possesses good communication skills -- both verbal and written.
• B.tech/BCA/M.Tech/MCA
• Confident and assertive
• Excellent client - interfacing skills.
• Team player, self-motivator

Why to join Anviam Solutions-

• International onsite opportunity
• Growth Opportunities.
• Hand holding model to groom your skillset
• 5 days working- Only 1st Saturday is working
• Internal promotions
• Fun and extra-curricular activities
• Professional environment

Company Website -https://anviam.com/

Company Location- Anviam Solutions Pvt. Ltd. Quark Atrium, A-45, Industrial Area, Phase VIII-B, Sahibzada Ajit Singh Nagar, Punjab

Thank  You!

• HTTP APIs 
• SQLite
• Firebase
• Git

• AWS
• MQTT
• IoT
• AWS Cognito 
• Knowledge about Hardware IoT, ESP32, ESP8266, NodeMCU etc.

Responsibilities

• Be responsible for our native Android and iOS mobile apps.
• Be flexible and knowledgeable so that you can switch between the two platforms as and when needed.
• Collaborate with Product Managers, UI designers, and other technical development resources
• Turn design ideas into features implementation that scale to millions of users by working closely with other mobile and backend engineers
• Develop unit and integration tests to ensure code quality and test coverage
• Ability to work independently solving technical problems
• Add positive energy in every meeting, and make your coworkers feel included in every interaction.

Requirements

• B.S. degree in Computer Science or related degree from an accredited college or university
• You have at least 5 years of experience in developing native mobile applications with Java and/or Kotlin (for Android) and Objective-C and/or Swift (iOS) while working within a team environment.
• Strong knowledge of Android SDK as well as iOS SDK – app lifecycle, UI using XML layouts (Android) and constraints and dynamic sizing (iOS) as well as data management and caching
• Knowledge of build systems in Android using Gradle. Knowledge of cocoapods and other tools for iOS build systems
• Knowledge of change management systems such as Git
• Knowledge of Reactive programming
• You’re familiar with mobile product and design lifecycle, and collaborating closely with designers and product managers
• You have experience building and shipping mobile apps to a large user base.
• You write high quality code with unit and automated tests.
• You’re comfortable with identifying and fixing performance bottlenecks.
• Experience integrating backend REST API’s.
• Experience in Agile/SCRUM and Unit Testing, Continuous Integration, Test-Driven Development
• Strong understanding of object oriented design principles

Nice to Haves

• Knowledge scripting tools and build tools.

About Quotient

Quotient (NYSE: QUOT) is the leading digital media and promotions technology company that creates cohesive omnichannel brand-building and sales-driving opportunities to deliver valuable outcomes for advertisers, retailers and consumers. The Quotient platform is powered by exclusive consumer spending data, location intelligence and purchase intent data to reach millions of shoppers daily and deliver measurable, incremental sales.  Quotient partners with leading advertisers and retailers, including Clorox, Procter & Gamble, General Mills, Unilever, Albertsons Companies, CVS, Dollar General and Peapod Digital Labs, a company of Ahold Delhaize USA. Quotient is headquartered in Mountain View, California, and has offices across the US as well as in Bangalore, Paris, London and Tel Aviv. For more information visit http://www.quotient.com" target="_blank">www.quotient.com

Quotient is an equal opportunity employer. We celebrate diversity, and do not unlawfully discriminate on the basis of race, color, national origin, ancestry, creed, sex, gender, sexual orientation, gender identity or expression, age (40 and over), religion, political affiliation, citizenship, disability, marital or registered domestic partner status, veteran status, legally protected medical conditions, or any protected category prohibited by local, state or federal laws

• Experience in React Native, Redux, CodePlus

• Need to have design/UI component knowledge on both Android/iOS platform.

• Capable of deploying the mobile app on both Android / iOS platform.

• Excellent knowledge in the integration of the NPM module within the environment.

• Good knowledge of data structure and algorithms

• Need to have experience in working with RestFul API service.

• Must have experience on version control SVN /GIT