Senior Backend Developer
2 - 5 yrs
₹15L - ₹20L / yr
Delhi
Skills
Javascript
NodeJS (Node.js)About the Role
We are looking for a highly skilled and experienced Senior React Native Developer with backend experience to join our team and lead the development of our cross-platform mobile application and its supporting backend services. You'll play a pivotal role in building, launching, and scaling a high-performance app that runs seamlessly on both iOS and Android — all from a single codebase — while also architecting and maintaining robust backend infrastructure in Node.js.
If you're passionate about mobile technologies, experienced in backend systems, and excited about building high-quality products from the ground up, we’d love to hear from you Responsibilities
- Lead the end-to-end development of a cross-platform mobile application using React Native.
- Build and maintain backend services and APIs using Node.js, ensuring scalability and performance.
- Collaborate with product managers, designers, and other engineers to deliver intuitive and seamless user experiences.
- Design and implement secure, reusable, and modular components (both frontend and backend).
- Optimize app and API performance across a wide range of devices and platforms.
- Ensure app and backend compliance with modern security, performance, and design standards.
- Set up and manage CI/CD pipelines for both frontend and backend (e.g., Fastlane, EAS, GitHub Actions).
- Integrate third-party APIs, services, analytics, push notifications, and more.
- Manage app store submissions and backend deployments.
- Mentor junior developers and contribute to establishing mobile and backend development best practices.
Requirements
Must-Have:
- 5+ years of experience in full-stack or mobile application development.
- 3+ years of hands-on experience with React Native.
- 2+ years of experience working with Node.js for backend development.
- Strong understanding of JavaScript (ES6+), TypeScript, and modern React architecture.
- Experience designing and integrating RESTful APIs, managing authentication, and handling network issues.
- Deep knowledge of mobile app development lifecycle for both iOS and Android.
- Familiarity with native build tools (Xcode, Android Studio).
- Solid grasp of mobile UI/UX principles and performance optimization techniques.
- Proficiency with Git, GitHub/GitLab, and agile workflows.
- Experience with features like push notifications, deep linking, in-app purchases, and analytics SDKs.
Preferred:
- Experience with Expo or EAS for managed workflows.
- Knowledge of CI/CD tools (Fastlane, Bitrise, GitHub Actions, etc.).
- Exposure to native modules (Objective-C/Swift and Java/Kotlin).
- Familiarity with automated testing frameworks (Jest, Detox, etc.).
- Experience publishing apps to the App Store and Google Play.
- Prior experience in startups or high-growth product environments.
- Working knowledge of databases (e.g., MongoDB, PostgreSQL) and cloud infrastructure (e.g., AWS, Firebase).
What We Offer
- Opportunity to lead and build a product end-to-end — frontend and backend.
- Work with a dynamic, high-performing team in a fast-paced, collaborative environment.
- Remote-first culture with flexible working hours.
- Competitive salary and equity options (if applicable).
- Dedicated learning and development budget to help you grow.
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About Insane Marketers
Founded :
2016
Type :
Services
Size :
20-100
Stage :
Bootstrapped
About
At Insane, we keep sanity in the back seat.
Being Insane prevents normal behaviour, which is why the folks who work here have been putting in the endless hours for the past three years to help us grow at a lightning speed! The freedom to work from our fully stacked office or while travelling anywhere in the world, and yet deliver exceptional results for the clients is the kick they get used to here.
Being Insane prevents normal perception which already clutters the market space. Creating out of the box campaigns, coming up with exceptional concepts is what gives us all that rush we need to remain insane.
Being Insane helps prevent normal social interaction, and drives us to come up with off beat strategies. Everyone here has their own niche, be it in paid ads, conversion rate or customer value optimization, our workspace are full of meditative faces, deep involved conquering hurdles making our clients richer. This freedom to make decisions, this freedom to play is what helps Insane grow.
Insane results for our past clients, has helped us handpick clients that are as insane as us, who can keep up and stay sane when we propel them with 10x growth. This is the insanity they start to crave and thus stick with us for a long term, which is why most of our revenue is from recurring client who have been with us for all this while.
We call ourselves insane and everyone here becomes a part of this whole that wants to remain Insane!
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