Senior Android Developer

The Role:

We are looking for a Software Development Engineer (iOS) to join our Core Payments team at Razorpay. In this role, you will be responsible for developing and scaling our iOS SDK, the critical integration point used by thousands of merchants to process payments across multiple geographies.

You will work closely with product and backend engineering teams to design high-performance features, ensuring the SDK remains secure, lightweight, and developer-friendly. This role offers the opportunity to solve complex engineering challenges involved in building financial infrastructure that operates at massive scale.

Responsibilities:

• SDK Development: Contribute to the development of our native iOS SDK, ensuring high availability and seamless payment experiences for a diverse merchant base.
• Engineering Excellence: Write clean, maintainable, and modular code. Architect solutions that are resilient across different host app environments.
• Automation: Design and implement robust automation for tests, builds, and performance profiling. If a task is repetitive, you are expected to automate it.
• Instrumentation: Build deep telemetry within the SDK to provide real-time insights into success rates and latency, enabling data-driven product decisions.
• Security: Implement industry-standard security protocols, including SSL pinning and runtime integrity checks, to protect sensitive transaction data.

Mandatory Qualifications:

• 2+ years of experience in native iOS development using Swift.
• Systems Design: Solid understanding of OOPS principles and architectural patterns (e.g., MVVM, VIPER, or Clean Architecture).
• Cross-Platform Knowledge: Practical experience with bridge-based frameworks such as Flutter, React Native, or Cordova.
• Technical Depth: Strong proficiency in GCD, Swift Concurrency, and UIKit/SwiftUI lifecycles.
• Debugging: Proficiency in using Xcode Instruments for memory management, CPU profiling, and network debugging.

Good to Have:

• Android Stack Experience: Familiarity with Kotlin or Java is highly preferred to help maintain feature parity and align API design across platforms.
• Deployment & Tooling: Knowledge of CocoaPods, Swift Package Manager (SPM), or Fastlane for automated distribution.
• Open Source: Active contributions to GitHub or a portfolio of apps published on the App Store.

• Design and build advanced applications for the Android platform
• Collaborate with cross-functional teams to define, design, and ship new features
• Work with outside data sources and APIs
• Unit-test code for robustness, including edge cases, usability, and general reliability
• Work on bug fixing and improving application performance
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency

We are looking for experienced iOS developers to join our team of talented engineers to design and build the next generation of our mobile application. The individual should be self-motivated, creative and proactive, with 1 – 2 years of progressive experience to work successfully in a fast-paced environment including latest technologies like Swift, Objective C and iOS UX guidelines.

– 1 to 2 years experience with iOS, Objective C and Swift.

– 1+ years object-oriented programming experience or equivalent education.

– Experience in an iterative software development environment (Agile).

– Experience with Test-Driven development, continuous integration and other Agile methodologies.

– Good experience in using Apples XCode for software development.

– Experience in standard debugging techniques such as logging, LLDB, and/or instruments to localize and correct software defects.

– Hands on experience using smartphones and tablets preferably iPhone and iPad

– Ability to design, develop, support new and existing applications and perform unit testing and integration testing.

– Experience with 3rd Party SDK integrations and other device libraries.

– Experience packaging and publishing applications on the App Store.

Responsibilities:

• Write high quality code & unit tests, builds, tests as per agreed timelines.
• Follows and promotes SDLC best practices: Coding standard, testing, code reviews, code comments etc.
• Keeps key stakeholders informed about progress and problems; avoids surprises.
• Organises and expresses ideas clearly and concisely.
• Exhibits excellent teamwork and helps achieve team goals.

Requirements:

• Exhibits strong problem solving skills.
• Strong grasp of computer science fundamentals and excellent problem solving skills.
• Good understanding of software engineering practices, Data Structures & Algorithms.
• Solid programming skills in Java/Kotlin.
• Good communication skills.
• Strong sense of ownership and accountability.
• Experience in Reactive programming, Asynchronous programming and Unit Testing will be an added advantage.
• 0-3 years of experience in product driven organisation.
• A Bachelors or Masters degree in engineering from a reputed institute (preferably IITs, NITs, or other top engineering institutes)

Technologies we're working with:

• MVP, JAVA and Kotlin, Realm, Firebase Real-time Database, RxJava, Kotlin, Coroutines, Dagger and Retrofit.

• Design & implement new app modules based on the product requirements using Flutter framework
• Maintain existing codebases
• Build reusable code and libraries for future use
• Integrate user-interfaces elements developed by other developers
• Build user interfaces designed by UI/UX designers
• Integration of data storage solutions
• Integrate various APIs from third parties
• Debug existing apps components, fix issues and avoid regressions
• Collaborate closely with the teams of UI/UX designers, PMs, QAs, and other developers
• Participate in software architecture, design discussions and code reviews
• Optimize application for maximum speed and scalability
• Follow the company guidelines and best practice

• You have a bachelor’s degree in computer science or related discipline
• Must have built at least two Android and/or iOS apps with Flutter 
• Proven working experience in software development
• Working experience in mobile development Android or iOS
• Have published one or more mobile apps in Google Play or App Store
• Experience with third-party libraries and APIs
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
• Solid understanding of the full mobile development life cycle, including automated testing and building
• Familiarity with SQL/NoSQL databases and their declarative query languages
• Proficient understanding of code versioning tools, such as Git / Mercurial

Job Title: Android Developer with React Native 

Job Description:

We are looking for an Android Developer who possesses a passion for pushing mobile technologies to the limits and will work with our team of talented engineers to design and build the next generation of our mobile applications.

Key Responsibilities

• Design and build advanced applications for the Android platform
• Collaborate with cross-functional teams to define, design, and ship new features.
• Work with outside data sources and API's
• Unit-test code for robustness, including edge cases, usability, and general reliability.
• Work on bug fixing and improving application performance.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

Requirements

• B.Tech Computer Science, Engineering or a related subject
• 4+ years of software development experience
• Have published at least one original Android app
• Experience with Android SDK
• Should have minimum 1 year of experience in React Native 
• Experience working with remote data via REST and JSON
• Experience with third-party libraries and APIs
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
• Solid understanding of the full mobile development life cycle.

• Manage high-level architecture and design data flows in the Android and iOS app in (Dart, Flutter framework)
• Add new features and automate functionalities in backend hosted on Firebase (Typescript, ReactJS framework)
• Setup Marketing and Analytics tools in the app to get relevant daily usage insights and target users in different campaigns. (3rd party tools, Mixpanel)
• Experiment with the live data stream from wearable IoT devices to generate insights using ML models in production.
• Deploying ML models in production to be used inside the app community section.

• Experience: 2+ year of software development experience

• Tinkerer - We are a team of builders and love to get our hands dirty on new ideas and technologies. If you love to spend your time working on side-projects, you’ll fit right in.
• Problem Solver - Software development could involve a constant stream of challenges. Confidence and skill to navigate through them is an essential skill to possess.
• Team Player - At iMumz, we believe in building in a strong and small A-Team. A drive to work and contribute towards the team’s overall success and progress is desired.
• Proactive Learner - Technologies change. Frameworks get disrupted every day. Adaptability and desire to stretch to be a constant learner is highly appreciated.

• Be a part of India’s fastest-growing platform for maternal health and get hands-on experience in the growth journey of a digital product.
• Get hands-on experience of building a product for 100,000+ and growing community
• Work on building the core offerings directly with the founders.
• Freedom to work from anywhere till the work gets done.

We are building a new app in vernacular languages in the ed-tech domain. Looking for highly skilled React Native + Android frontend engineers to build the product with A player's team.

We are funded by a leading VC in the country.