Jumbo | React Native Developer | najafgarh

3 weeks ago


najafgarh, India Jumbo Full time
About Us
Jumbo is world's first no money-loss gaming platform, where we fulfill the core human desire to win without the risk of losing. Our unique value prop has enabled us to scale to over 400,000 users in just a few months.
Our mission is backed by top global investors from day zero who know how big this opportunity is and the large scale impact we can create.
This is once in a lifetime opportunity to get a seat on this rocketship, with all the possible upside of being early.
Job Details
Location: South Delhi, New Delhi
Experience: 3+ Years
Budget: Upto 35 Lakhs + Esops
Work Schedule: 6 days a week
Responsibilities
Collaborate with product, design, and business teams to understand ideas and needs, delivering them through rapid experiments.
Translate complex designs into polished, high-performance React Native code.
Ensure exceptional app performance, quality, and responsiveness.
Leverage native APIs for deep integrations on both platforms.
Maintain high standards for code quality, best practices, and security throughout development.
Participate in code reviews, architectural discussions, and technical documentation.
Work with backend engineers to ensure end-to-end system functionality.
Optimize app performance and address complex React Native issues.
Requirements
Minimum of 3 years of experience in React Native.
Proven track record in developing and delivering large-scale gaming/consumer centric Android and iOS applications.
Expertise in tackling complex React Native issues and contributing to libraries.
Strong focus on optimizations and delivering the best app experience.
Proficient in JavaScript, including ES6+ syntax and TypeScript.
Experience writing unit tests with libraries like Jest, Enzyme, Jasmine, Mocha, etc.
Proficiency in at least one native language: Android (Kotlin/Java/Compose) or iOS (Swift/Objective-C/SwiftUI).
Strong knowledge of state management tools like Redux, React Query, Zustand.
Experience with MMKV and async storage.
Ability to create complex animations using Skia and Reanimated.
Extensive knowledge of app performance profiling tools.
Growth mindset and passionate about building from the ground up.

  • Najafgarh, India Jumbo Full time

    About UsJumbo is world's first no money-loss gaming platform, where we fulfill the core human desire to win without the risk of losing. Our unique value prop has enabled us to scale to over 400,000 users in just a few months.Our mission is backed by top global investors from day zero who know how big this opportunity is and the large scale impact we can...


  • Najafgarh, India Jumbo Full time

    About UsJumbo is world's first no money-loss gaming platform, where we fulfill the core human desire to win without the risk of losing. Our unique value prop has enabled us to scale to over 400,000 users in just a few months.Our mission is backed by top global investors from day zero who know how big this opportunity is and the large scale impact we can...


  • Najafgarh, Delhi, India Jumbo Full time

    We are seeking a skilled High-Performance Mobile Application Developer to join our team at Jumbo, the world's first no-money-loss gaming platform. Our mission is to create a revolutionary experience where users can win without risking loss.About UsJumbo has scaled to over 400,000 users in just a few months, with top global investors backing our mission from...


  • Najafgarh, Delhi, India Jumbo Full time

    About UsJumbo is a pioneering gaming platform that has disrupted the traditional notion of risk and reward. With a unique value proposition, we have successfully scaled to over 400,000 users in a short span of time.Our mission is backed by top global investors who recognize the immense potential of our opportunity. We are on a quest to revolutionize the...


  • Najafgarh, Delhi, India Jumbo Full time

    About JumboWe are the world's first no money-loss gaming platform, where we empower users to win without the risk of losing. Our unique value proposition has enabled us to scale to over 400,000 users in a short period.Our mission is backed by top global investors who recognize the enormous potential and large-scale impact we can create.This is an exceptional...

  • Graphic Designer

    1 month ago


    najafgarh, India Jumbo Full time

    About the Company: Jumbo is pioneering the future of gaming with the world’s only No Money Loss Gaming app. Our innovative platform allows users to win money by playing games without the risk of losing their stake, even if they don’t win the game. Imagine playing a game of Poker with ₹1,000 which you end up losing. What if you could reuse those...

  • Graphic Designer

    1 month ago


    najafgarh, India Jumbo Full time

    About the Company:Jumbo is pioneering the future of gaming with the world’s only No Money Loss Gaming app. Our innovative platform allows users to win money by playing games without the risk of losing their stake, even if they don’t win the game.Imagine playing a game of Poker with ₹1,000 which you end up losing. What if you could reuse those ₹1,000...

  • Graphic Designer

    4 weeks ago


    najafgarh, India Jumbo Full time

    About the Company:Jumbo is pioneering the future of gaming with the world’s only No Money Loss Gaming app. Our innovative platform allows users to win money by playing games without the risk of losing their stake, even if they don’t win the game.Imagine playing a game of Poker with ₹1,000 which you end up losing. What if you could reuse those ₹1,000...

  • Graphic designer

    1 month ago


    Najafgarh, India Jumbo Full time

    About the Company:Jumbo is pioneering the future of gaming with the world’s only No Money Loss Gaming app. Our innovative platform allows users to win money by playing games without the risk of losing their stake, even if they don’t win the game.Imagine playing a game of Poker with ₹1,000 which you end up losing. What if you could reuse those ₹1,000...


  • najafgarh, India InstaVeritas Full time

    About Instaveritas​I nstaVeritas is the future of background screening. We power over 500 organizations across sectors make better and safer hiring decisions. In a few short years, our screening solutions and technology has delivered more than 12 million checks annually and we don’t aim to stop there.Our background screening, data authentication and KYC...


  • najafgarh, India KOgenie Full time

    Company Description KOgenie is a genAI SaaS startup which is disrupting marketing and branding by making hyper-targeting individualized digital advertisements for other startups. Role Description This is a full-time on-site role for a Back End Developer at KOgenie in South Delhi. The back-end developer will be responsible for developing and maintaining the...


  • najafgarh, India KOgenie Full time

    Company DescriptionKOgenie is a genAI SaaS startup which is disrupting marketing and branding by making hyper-targeting individualized digital advertisements for other startups.Role DescriptionThis is a full-time on-site role for a Back End Developer at KOgenie in South Delhi. The back-end developer will be responsible for developing and maintaining the...

  • Hostel Warden

    6 months ago


    Najafgarh, Delhi, Delhi, India 2050 Healthcare Full time

    As a Female Hostel Warden, you will be responsible for supervising and maintaining discipline within the hostel, fostering a supportive and comfortable environment, and ensuring the safety and well-being of female students or residents. **Key Responsibilities**: - Oversee and manage the daily operations of the female hostel, ensuring a safe, clean, and...


  • najafgarh, India Epirco Group Full time

    Role Description-This is a full-time on-site role for a Social Media Manager located in our Delhi office. The Social Media Manager will be responsible for day-to-day tasks associated with social media marketing, communication, content strategy, social media optimization (SMO), and writing.Qualifications-Mandatory 1-2yrs of experience in Social Media...

  • School Teacher

    7 months ago


    Najafgarh, Delhi, Delhi, India Abacus and vedic arithmetic studies (AVAS) Full time

    The goal is to help cultivate the students’ interest in Abacus and Vedic Maths education and be their dedicated ally in the entire process of learning and development. **Job Types**: Full-time, Part-time, Regular / Permanent, Fresher **Salary**: ₹8,000.00 - ₹12,000.00 per month **Benefits**: - Leave encashment Schedule: - Morning...


  • najafgarh, India Primebook India Full time

    Job Responsibilities: Browser Development: Develop, customize, and maintain a Chromium-based browser tailored for PrimeOS. Collaborate with product teams to define and implement new features and enhancements. Optimize browser performance, stability, and scalability. Code Quality and Maintenance: Write clean, efficient, and maintainable code adhering to...


  • najafgarh, India Primebook India Full time

    Job Responsibilities:Browser Development: Develop, customize, and maintain a Chromium-based browser tailored for PrimeOS.Collaborate with product teams to define and implement new features and enhancements.Optimize browser performance, stability, and scalability.Code Quality and Maintenance: Write clean, efficient, and maintainable code adhering to best...


  • Najafgarh, Delhi, Delhi, India packtek packaging Full time

    **Roles and Responsibilities** - Development of primary, secondary, and tertiary packaging and convert them in to KLDs - Providing inputs in the product development stage on the techno-commercial feasibility - Benchmarking of different packaging/competitor products as per market trends - Identify cost savings opportunities by benchmarking competitor...


  • najafgarh, India Rhua Full time

    Job Title:  Fashion Marketing & Communication Specialist Company:  Rhua India (Indian Women’s Wear Brand About Us We are an Indian women’s wear brand based in Delhi, known for our exquisite handcrafted ensembles that celebrate the rich heritage of Indian textiles. With a focus on blending traditional craftsmanship with contemporary designs, we offer...


  • najafgarh, India State Express Full time

    SEGV Tours is looking for an experienced Marketing Manager to lead marketing activities for the company and do long-term strategizing in a fast-paced environment.Office Location : Gulmohar Enclave (near Green Park Metro Station), New DelhiPreferred skills and qualificationsMaster's degree (or equivalent) in marketing, business, or related fieldLeadership...