Lead Architect

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 Title: Business Analyst

Location: Jaipur, Rajasthan

Experience: 1–2 years (preferred)

Employment Type: Full-time, Onsite

Pay Range -4 to 7 LPA

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Role Overview

We are seeking a highly analytical and detail-oriented Business Analyst to evaluate business processes, identify areas of improvement, and provide data-driven insights to support strategic decisions. The ideal candidate will have strong problem-solving skills, the ability to work with cross-functional teams, and experience in analyzing business performance metrics.

Key Responsibilities:

Collect, analyze, and interpret business data, KPIs, and performance metrics.

Identify trends, patterns, risks, and opportunities across business functions.

Evaluate historical and current data to assess business performance and growth direction.

Prepare reports, dashboards, and presentations to communicate findings clearly.

Conduct market and competitor research to benchmark business performance.

Work closely with operations, marketing, product, and finance teams to provide insights.

Recommend process improvements based on analysis and industry best practices.

Assist in forecasting, trend analysis, and strategic planning initiatives.

Ensure data accuracy, consistency, and reliability during analysis.

Required Skills & Qualifications

Bachelor’s degree in Business, Finance, Economics, Engineering, or related field.

1–2 years of experience in Business Analysis or similar analytical role (preferred).

Strong analytical and quantitative skills.

Proficiency in Excel/Google Sheets; experience with SQL, Power BI, or Tableau is a plus.

Excellent communication and presentation skills.

Strong attention to detail and ability to work with large datasets.

Ability to work independently and collaboratively with cross-functional teams.

Preferred Attributes

Strong problem-solving and critical-thinking abilities.

Ability to translate data into actionable business insights.

Understanding of business processes, KPIs, and performance measurement.

Curiosity and a proactive approach to identifying issues and opportunities.

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Why Join Us

Opportunity to work in a fast-growing organization.

Exposure to high-impact decision-making and cross-functional collaboration.

Fast learning environment with strong career-growth potential.

Position Summary

The Management, Orchestration, Visualization and Analytics team is looking for a technically strong UI/UX Engineer who will help develop and enhance the UI features of Manova products and services. Having a background in Cloud services or Network Management is highly valuable.

Responsibilities

• Design user interfaces by creating wireframes and mockups

• Adopt and advocate practices of modern responsive UI designs

• Develop flows using Javascript

• Develop/ enhance UI screens using HTML5, CSS3, React, Angular (or possibly other comparable Javascript technologies)

• Own both development and test automation for the assigned features

• Develop test automation for UI code using Cypress, Jest, React Testing Libraries or other technologies

• Performance tuning of web application with solid knowledge of isolating and debugging a performance problem

• Implement functional flows on a Micro-frontend architecture

• Ensure smooth pipeline runs based on Docker, Kubernetes

• Keep abreast of new front-end technologies and development practices

• Efficiently communicate/collaborate internally at F5

• Participate in defining new software architectures, products and solutions

• Serve as source of technical expertise to a project team and is a mentor for junior staff members

• Proactively identifying and resolving key technical issues

Qualifications

• 10+ years of significant software development and engineering experience.

• Experience of renovating a legacy application to one based on modern UI principles

• Solid hands-on experience in UI and Javascript technologies such as React/Redux, Angular, Knockout, Backbone, JQuery etc

• Solid experience with HTML5, CSS3, LESS, SASS

• Experience with UI Automation and practices to increase efficiency and accuracy of UI development

• Good familiarity with REST services and data formats such as JSON, XML

• BA/BS in computer science or other engineering disciplines

• Expertise with Continuous Integration and Agile development methodology

• Good communication, presentation skills and ability to work well in a development team

• Strong SW engineering and design skills with an eye for details.

• Passion for learning new technologies, and a track record of doing so.

Experience : 4 Years and above Designation : .Net Developer Location: Navi Mumbai Skills required • Comprehensive understanding of the .NET Framework. • Understanding of Object-Oriented Development • Knowledge in Angular JS will be an added advantage • Good Concept in Jquery, oops • Comprehensive understanding of developing scalable applications with NET 3.5/4.0 Framework, including Visual Studio 2010/2008, C#, ASP.NET, WCF Web Services, and Entity Framework. • Understand UML notations (class diagrams, sequence diagrams, entity relationship diagrams, activity diagrams, etc.) • Experience in building multi-tier, transactional web applications with n-tier architectures (UI, Business Logic Layer, Data Access Layer) along with some experience with service-oriented architectures (SOA). • Experience in design and optimize LinqToEntity / LinqToObejct / LinqToXML / SQL queries. • Experience of Unit test tools like (N-Unit/Ms Unit) for code quality metrics. • An understanding of Design Patterns (GOF) concepts is preferred. • Working knowledge of Enterprise Architect and TFS is highly desirable. • Understanding of Agile/Iterative development methodologies is highly desirable. • Experience with Test-Driven Development is highly desirable. Eligibility Criteria: • Should be a Graduate • Should Have Good Knowledge and Experience of MVC, C#, LinQ, Jquery, oops , Entity Framework, Angular, Javascript.

Job Profile - Hospital Marketing

-Drive growth & revenue as per the plan and target.

-Increase patient footfall and bed days in each unit.

-Design & Execute marketing strategy and delivery mechanism

-To focus and improve all key parameters of branding & promotion of the organization.

Work Exp - 1 to 2 years of marketing in Hospital/ Healthcare/ Pharmaceutical/Medical Device industry

The ideal candidate will be responsible for developing high-quality WIFI applications. They will also be responsible for designing and implementing testable and scalable code.

Job requirement and Skills

• Embedded development in C/C++ on Linux
• Experience with WiFI chipsets (Atheros / Qualcomm / Broadcom)
• Worked with WiFi drivers and WiFi stack
• Strong debugging skills

Experience

• Minimum 5-10 years of experience
• Educational Qualifications: BE/ME
• Experience developing RRM, SON features in WiFi will be great .