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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.
We are seeking a talented and passionate Flutter Developer to join our development team. In this role, you will be responsible for designing, developing, and maintaining cross-platform applications using Flutter for mobile (iOS and Android), web, and desktop (Windows/macOS/Linux)platforms. You will work closely with product managers, designers, and other engineers to deliver exceptional user experiences that run seamlessly across devices.
Tasks:
You will be building multi-platform applications for Android and iOS using Flutter and Kotlin Multi Platform (libraries).
Building multi-platform applications for Android and iOS using Flutter
Ability to provide accurate estimates, work under pressure and meeting deadlines
Writing clear and reader-friendly code using Dart.
Unit testing
Git and Jira
Bonus Skills
Knowledge of native platforms Android (Java/Kotlin) and/or iOS (Swift)
Kotlin Multi Platform
Requirements:
Bachelor's degree in Computer Science (or related field)
Expertise in Object Oriented Design, Database Design, and XML Schema
Experience with Agile or Scrum software development methodologies
Ability to multi-task, organise, and prioritise work.
Experiance Range:
5+ year
Click here to know more - https://jstechalliance.jtep.io/api/hms/v1/candidate/form/48
1. Writing clean and efficient native Android applications
2. Proven knowledge of Android SDK, different versions of Android, and how to deal with
different screen sizes
3. Familiarity with RESTful APIs to connect Android applications to back-end services
4. Proven knowledge of Android UI design principles, patterns, and best practices
5. Experience with offline storage, threading, and performance tuning
6. Must have worked on integrating oAuth/JWT
7. Must have worked with Git
8. Understanding of SDLC process
9. Good to have knowledge of Jira
Key Responsibilities:
1. Writing clean and efficient native Android applications
2. Consuming web services/APIs for Android platform
3. Monitoring the performance of live apps and work on optimizing them at the code level
4. Identifying and resolving bottlenecks, rectifying bugs and enhancing application
performance
5. Integrating new features into the platform
6. Integrating payment gateways
7. Looking into any bug fixes post go live
8. Helping the junior developers
Design and Build sophisticated and highly salable apps using Flutter.
2. Translate and Build the designs into high quality responsive UI code.
3. Write efficient queries for core Data.
4. Use of Model-View-Controller (MVC) and Model-View-ViewModel-Controller (MVVM) architecture and developing maintainable, testable and functional software that meets product requirements.
5. Resolve any problems existing in the system and suggest and add new features in the complete system.
6. Follow the best practices while developing the app.
7. Use CI/CD for smooth deployment.
8. Document the project and code efficiently.
9. Manage the code and project on Git in order to keep in sync with other team members and managers.
10. Suggest new features and/or enhancements.
11. Maintaining software through product life cycle including design, development, verification and bug fixes.
12. Write tests for the App.
13. Knowledge of different state management libraries like BloC, GetX, Provider will be a plus point.
- Implementing security and data protection.
- Integrating the design into high quality code.
- Ensuring the performance, quality, and responsiveness of application.
- Identifying and correcting bottlenecks and fix bugs.
- Unit-testing code for robustness, including edge cases, usability, and general reliability
- Working on bug fixing and improving application performance
What you need to have:
- Proficient in Mobile App development with full stack development capabilities.
- In-depth understanding of the entire web development process (design, development and deployment)
- Good knowledge on code signing, debugging tools and project configuration on Android.
- Sound knowledge of REST Standards
- Experience working with a relational database
- Nice To Have
- Strong algorithm/ data structures design and problem solving skills
- Experience with cloud environments like AWS is a plus.
- Soft Skills
- Must be able to work in a team.
- Must have good communication skills.
Location : Chennai
Experience : 1 - 3 Years
Job type : Permanent
What you must have:
- Experience in iOS Development and / or apps on Apple store and must have handled atleast 2 projects.
- Software Development experience in Java, MVC / MVVM pattern, Objective C, Swift development.
- Familiarity with SDK Integrations, APNS, Cocoapods, Carthage, Networking, JSON structuring and working with REST APIs.
- Experience in collaborating on software projects using Git based Version Control Systems (FYI, we use Bitbucket).
- Bonus Points if you have:
- Have a basic knowledge of how Android Development works (for collaborating with the Android team and developing programming patterns which works for both Android & iOS)
- Have experience working in an E-Commerce project
- Have worked with graphic & memory optimization in apps
- Have a Github account with some cool projects in it.
- Have scary but amazing debugging skills.
Expectations:
- Passion to be a part of the Startup who are building something bigger than themselves.
- Ability to take responsibility and ownership of their roles and work through the challenges in a startup team.
- Your typical week:
- iOS Development of our Core product
- Keeping up with product release cycle
Skills:
- iOS Development, Version Control, CocoaPods, Storyboard, iOS Mobile Automation, Mobile Application Testing - Android iOS
Hi,
Anju Siima Technologies Pvt Ltd. is a leading software company seeking creative and skilled developers to join our fast growing team. Our mission is to design and develop technology that improves the lives of its users, while providing an exceptionally high level of service to our clients.
We are looking for experienced developers who want to be part of a fast-paced, dynamic environment, where everyone’s opinions and efforts are valued. We hire outstanding professionals and give them the opportunity to thrive in a collaborative atmosphere that values learning, growth, and hard work.
Our team of 16+ professionals is working on Guntur and Hyderabad branch, Additionally, many of our team members who aren’t located near one of our offices, work remotely. We provide a highly competitive compensation and benefits package.
Job Description
We are looking for a Dart/Flutter Developer responsible for creating multi-platform apps for iOS and Android using Google’s Flutter development framework. The primary focus will be on creating new experiences and maintaining existing apps. Deep experience contributing to and managing high-scale production mobile apps. You must have previous experience in Flutter and Dart development.
Responsibilities
- 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 practices
Skills And Qualifications
- 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
- Proficient in Java/Kotlin programming
- Knowledge and experience in Flutter Framework and DART programming
- Hands on experience in using RESTful APIs
- Hands on experience in designing and developing micro-services architecture and containers
- Experience with third-party libraries and APIs
- Hands on experience in designing and developing micro-services architecture and containers
- Object oriented analysis, UML and design using common design patterns.
- Hands on experience in development IDE Android Studio, Android SDK, Firebase Test Lab.
- Experience with offline storage, threading, and performance tuning.
- Experience with Mobile design patterns e.g MVVM, GoF, Bloc, Provider & etc.
- Experience in writing secure mobile applications (OWASP Mobile Top 10)
- Familiarity with push notifications
- Familiarity with IOS integration with Flutter
- Experience using GitHub or similar environment
- Complete understanding of SDLC
- Experience with Agile development
- Experience with Material Design and Android UI design principles, patterns and best practices
- Good knowledge of adding third-party libraries
- Ability to understand business requirements and translate them into technical requirements
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
- A track record of delivering successful complex consumer product apps (finance apps, e-commerce apps)
be the development of Android applications and their integration with back-end services. You
will be working along-side other engineers and developers working on different layers of the
infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated
design, and creating quality products is essential.
On top of that, Android engineers create new features as critical members of the
product development team. As an Android engineer, you'll build new products and make our
frameworks reliable, reusable, and fast.
Responsibilities
• Work with a small team of mobile engineers to build our Android platform.
• Translate designs and wireframes into high-quality code
• Design, build and maintain reusable, and reliable Java code
• Ensure the best possible performance, quality, and responsiveness of the application
• Identify and correct bottlenecks and fix bugs
• Improve our code quality and code organization.
• Write and maintain unit and integration tests for our Android Apps
Qualifications
• 2+ years of experience in Android application development.
• Strong knowledge of Android SDK, different versions of Android, and how to deal with
different screen sizes
• Experience with MVVM, MVP Patterns.
• Familiarity with RESTful APIs to connect Android applications to back-end services
• Strong knowledge of Android UI design principles, patterns, and best practices
• Familiarity with the use of Android APIs, such as GPS and bluetooth
• Familiarity with cloud message APIs and push notifications
• Experience with offline storage, threading, and performance tuning
• Passion for mobile products and personal projects or other work on the Play Store are
a plus.
• A knack for benchmarking and optimisation
• Proficient understanding of code versioning tools, such as Git
• Experience with Writing unit tests using JUnit/Mockito
• Experience in writing Integration/UI tests with Espresso
• Familiarity with continuous integration
• Impeccable attention to detail in all aspects of development from performance to UI.
• Knowledge about mobile devices to decide implementation tradeoffs correctly.
- 3+ years of experience in native android app development.
- Strong programming experience in Core Java, Android SDK
- Experience working with Kotlin is a plus
- Experience working with Media player
- Experience working with offline app & content security, Encryption and Decryption
- Experience working with FCM
- Experience with web services integration, REST API framework, social media and other third party integrations
- Write good quality code, unit tests, automation and performing code reviews.
- Should have Experience of Social Integration.
- Ready to take complete ownership of multiple products, work alone on project if required
- Good knowledge in Android services/Framework layer and its debugging
- Experience with version control systems, preferably Git.
- Shipped multiple Android Applications that are currently available in the Google Play Store
- Good knowledge of data structures, algorithms and time/space complexity analysis.
-
Good problem solving abilities.
-
Ability to communicate well with Product and Engineering Team
- Experience with a start-up would be added advantage.










