Senior Manager-Accounts

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 Summary:

This role is for a Senior Technology Lead to drive the strategy and execution across a portfolio of IT

applications involving product backlog management, development, production stability, staffing and

partner management including business users and customers.

Ideal candidate should have a Bachelor’s Degree preferably in IT, with about 10-15 years of experience

in software development using Microsoft ASP.Net, MVC, C#, JavaScript, Jquery and SQL Server. Prior

experience in Finance domain is preferred

Key Responsibilities and skills:

● Strong hands-on technical expertise on Microsoft ASP.Net, MVC, C#, JavaScript, Jqueryand SQL Server

● Exposure to SDLC tools, such as: Visual Studio, JIRA, Git including CI/CD and test automation

● Leading the development team in the design, development, coding, testing and implementation of IT

applications in on-prem and cloud environment.

● Proficient in the software development lifecycle and underlying processes. Exposure to Agile

methodologies is very useful

● Strong communication skills both oral and written to handle team, client and management levels

● Work with business teams in understanding and prioritizing the requirements for future releases

● Developing standards and procedures to ensure that software quality standards are met and

consistent.

● Proven track record in designing and delivering technical solutions

● Strong management experience particularly managing multiple application development teams,

including L1 and L2 support

● Confident, resourceful and transparent

About Company:

Money Honey Financial Services Pvt Ltd. is a one-stop shop for information, advice as well as transaction

execution of financial services. We offer Mutual Fund, Fixed Deposit, Govt Bonds, Public Issue of NCD,

IPO, P2P, etc.. Servicing more than 75,000 clients with the help of 150 members team.

Key Responsibilities:

• Perform RCA of reported issues.

• Support frontend teams on technical issues.

• Coordinate with developers for fixes.

• Track and monitor issue resolution.

• Troubleshoot API and database issues.

• Escalate critical issues when required.

• Ensure timely issue closure.

• Update support teams on new features. 

• Analytical & Problem Solving skills

• Sound knowledge of Core Java, JSP, Servlets & MVC, Spring
• Good knowledge of Java Script, Ajax
• Good knowledge of My SQL database server
• Experience in working with IDE like Eclipse or Netbeans
• Knowledge of Spring would be an advantage
• Great problem-solving attitude
• Strong OOP & OOAD fundamentals
• Knowledge of Java EE Design pattern
• Technical hands on Spring, Spring Security, Hibernate, JPA, Struts, OO JS, XML, Webservices (Restful, JAX-WS).
• Nice to have knowledge of Liferay, Amazon EC2, Google App Engine, Restful services, jQuery, YUI, EstJS (Sencha), frameworks.

• Understand the BRS / SRS document
• Coordinate with Team lead/DBA to understand the System design and Database design
• Development and Unit Testing
• Bug fixing and Change Request implementation

Job Overview:
We are looking for a Java Developer with experience in building high-performing, scalable,
enterprise-grade applications.

You will be part of a talented software team that works on mission-critical applications. Java
developer roles and responsibilities include managing Java/Java EE application development
while providing expertise in the full software development lifecycle, from concept and design to
testing.

Responsibilities and Duties:
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs should follow compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and
presenting these for architectural review

Qualifications:
• BE/MCA/BCA/MS/BS degree in Computer Science, Engineering, or a related subject
• Minimum 1 to 4 years of experience
• Proven hands-on Software Development experience
• Proven working experience in Java development
• Hands on experience in designing and developing applications using Java EE
platforms
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2,
Hibernate)
• Experience in the Spring Framework
• Very good English communication skills
• Optional:
o Good to have the knowledge of Angular JS framework.
o Experience to work on the Micro service architecture.
o Experience to work with Git hub & bitbucket.
o Agile methodology.

Profile:

We are looking for a Backend Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end.You'll be working alongside other engineers and developers, collaborating on the various layers of the infrastructure.

Job Responsibilities:

• Understand the lifecycle of a web app fully - browser-side, server-side, scalability, performance.
• Design, develop and own components of the product.
• Programming - ability to read/write enterprise quality code and make the right decision.
• Collaborate with the team and communicate effectively, to solve the problems and build, extend, optimize and refactor the back-end architecture.
• Generalist programmer with the ability to quickly learn and use new languages.
• Design and develop scalable, secure, and high-performance solutions.
• Experience working with relational and non-relational databases.
• At ease working with a Unix based system.
• Has worked with AWS/AmazonSES/EC2/Beanstalk/S3 storage.

Key Skills:

• Strong understanding of AWS, NodeJS, MySql, ExpressJS, Angular 2.
• Strong Programming background with an understanding of the flow of the product.
• Understanding of adaptive and responsive design, and the combination of them.
• A clear understanding of data structures, algorithms, and databases.
• Has completely built a product before including deployment and connecting with the front-end.
• Excellent analytical and problem solving.
• Can write maintainable, clean code and enforce it through code reviews.
• Maintains good documentation with the code written each day.
• A capability for a great learning curve.