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Jumbo Tech Stack

Mobile-first ecommerce app with gamified shopping and rewards

Technology, Information and Internet Delhi 51–200 employees Founded 2023 Privately Held
joinjumbo.com LinkedIn

Jumbo is a mobile shopping app built on Node.js, NestJS, and React Native—a modern, API-first stack typical of consumer-focused platforms. The engineering and data hiring mix is thin relative to the scale of their stated growth trajectory, suggesting early-stage infrastructure challenges; their project list centers on retention, engagement, and conversion mechanics (not core product development), and their pain points cluster around fraud and real-time data processing—both operational bottlenecks that precede marketplace scale.

Tech Stack 46 technologies

Core StackNode.js NestJS AWS AWS Lambda AWS RDS AWS CloudFront PostgreSQL MongoDB Redis Kafka React Native Next.js JavaScript TypeScript Jest Redux Kotlin Java Swift SwiftUI Reanimated Redux Toolkit React Query Enzyme Jasmine Mocha Zustand Skia Objective-C Android+16 more

What Jumbo Is Building

◆Challenges

  • Fraud detection
  • Real-time data processing
  • Improving retention
  • Improving customer service processes
  • Inactive app users
  • Retaining dormant users
  • Increasing conversion rates
  • Improving repeat engagement
  • Operational improvements and process optimization
  • Accurate live scoring

▲Active Projects

  • Employee engagement initiatives
  • Hr policy implementation
  • Packaging design system
  • Visual social media strategy
  • Cross-functional projects across operations, partnerships, and internal teams
  • Assist ceo in hitting growth targets
  • Trusted dashboards
  • Self-serve bi frameworks
  • Risk checks and profitability controls

Hiring Activity

Accelerating10 roles · 5 in 30d

Department

Engineering
3
Marketing
2
Data
1
Design
1
Executive
1
HR
1
Ops
1
Support
1

Seniority

Junior
4
Mid
4
Manager
2
Senior
1

Notable leadership hires: Brand Design Head

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About Jumbo

Jumbo is a mobile-first ecommerce application founded in 2023 and based in Delhi, India. The platform combines shopping functionality with gamified elements—free games, prize mechanics, and rewards—targeting customers in India. The company is backed by institutional investors and operates across 51–200 employees. Core technical infrastructure runs on AWS (Lambda, RDS, CloudFront), PostgreSQL, MongoDB, Redis, and Kafka for backend services, with React Native, Next.js, and native mobile SDKs (Swift, Kotlin, Java, Objective-C) for client delivery.

HeadquartersDelhi
Company Size51–200 employees
Founded2023
Hiring MarketsIndia

Frequently Asked Questions

What tech stack does Jumbo use?

Backend: Node.js, NestJS, PostgreSQL, MongoDB, Redis, Kafka on AWS (Lambda, RDS, CloudFront). Frontend: React Native, Next.js, Redux Toolkit, React Query. Mobile native: Swift, Kotlin, Java, Objective-C, SwiftUI.

What is Jumbo working on?

Primary focus: retention and engagement (dormant user reactivation, repeat engagement, conversion rate improvement). Secondary: fraud detection, real-time data processing, profitability controls, and internal BI infrastructure.

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