Mobile Application 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.

A bit about us

WeatherBug is a popular weather site and mobile app providing hyperlocal, live weather data and proactive alerting to consumer users. With over 15 million unique users per month, across all platforms, WeatherBug’s vision is to provide environmental intelligence for all aspects of people’s lives. The WeatherBug app is a top-rated weather app in the app stores. In 2019, WeatherBug was named the best weather app by MediaPost’s Appy Awards. WeatherBug is owned and operated by GroundTruth, a media company that turns real-world behavior into marketing that delivers real business results.

Learn more at WeatherBug.com

At GroundTruth, we believe that innovative technology starts with the best talent and we have been ranked one of Ad Age’s Best Places to Work for three years in a row (2021, 2022 & 2023). Learn more about the perks of joining our team here.

A bit about you

A recognized expert in their professional discipline, with significant impact and influence on organizational policy and program development. Establishes critical strategic and operational goals, and develops and implements new products, processes, standards, or operational plans to achieve organizational objectives. Regularly leads projects of critical importance to the organization—projects that carry substantial consequences for success or failure. Requires strong influence and communication with executive leadership. Problems encountered are often complex and multidimensional, requiring broad-based consideration of variables that affect multiple areas of the organization.

You will:

• Develop production-ready code to meet scope of requirements.
• With guidance, update and create documentation as needed for new and existing solutions.
• Participate in code-reviews with comments to improve code quality, stability, and maintainability.
• Create and maintain unit and integration testing solutions. Be able to run your code in lower environments.
• Run tests on the mobile device to ensure code meets requirements
• Watch mobile releases for Android or iOS for features you developed
• Teardown your solutions across multiple environments and platforms.
•  Provide operational support of your deployed code
• Determine issues within your areas of expertise.
• Work with teams across the engineering organization to understand and incorporate client requirements into final solutions.
• Perform other job-related duties as assigned.

You have:

• Bachelor’s degree (4 years) in Computer Science or a related field, OR 5+ years of relevant software development experience.
• 3+ years of professional experience in software engineering.
• 2+ years of hands-on Android application development using Kotlin and Android Studio.
• Experience with modern Android libraries and frameworks, including Jetpack components (e.g., Navigation, Room, ViewModel, LiveData), Retrofit for networking, and image loading libraries (e.g., Glide, Coil).
• Proficiency with asynchronous programming using Kotlin Coroutines and Flow.
• Familiarity with dependency injection frameworks such as Dagger/Hilt or Koin.
• Experience with app architecture patterns such as MVVM or MVI, and clean architecture principles.
• 2+ years of experience working in Agile teams and participating in iterative development cycles.
• Strong understanding of object-oriented design principles, design patterns, best practices, performance optimization, and memory management.
• Experience with unit and UI testing frameworks (JUnit, Mockito, Espresso).
• Familiarity with Git and collaborative version control workflows.
• Exposure to CI/CD tools and automated build/deployment pipelines.
• Ability to independently take ownership of tasks and deliver robust solutions.
• Commitment to writing clean, maintainable, and well-documented code.

Would be great if you have:

• Experience with React Native, including building function components, using hooks, and working with JavaScript/TypeScript.
• Knowledge of Play Store processes, including app signing, publishing, and release management.
• Familiarity with ingesting and exposing large datasets in the weather industry.
• Experience in the advertising industry.
• Proficiency with tools like GitHub, Jenkins, Artifactory.

You are:

• A team player who is organized, flexible and willing to adapt
• Not afraid of new technologies and driven to learn
• A detail-oriented person, who catches problems early and adjusts
• A strong communicator who is able to collaborate with multiple business and engineering stakeholders and work through conflicting needs
• A problem solver who likes to dive deep into a problem, diagnose root causes and work with multiple teams to come up with a solution
• Organized with demonstrated ability to prioritize and deliver timely work
• A team player and not afraid to roll up your sleeves and help when needed
• Self-sufficient and not afraid to take the lead and manage tasks independently
• Coachable and open to feedback
• Respectful–-we treat each other with respect and assume the best of one another
• Not afraid to have fun!

What we offer

At GroundTruth, we want our employees to be comfortable with their benefits so they can focus on doing the work they love.

● Parental leave- Maternity and Paternity

● Flexible Time Offs (Earned Leaves, Sick Leaves, Birthday leave, Bereavement leave & Company Holidays)

● In Office Daily Catered Lunch

● Fully stocked snacks/beverages

● Health cover for any hospitalization. Covers both nuclear family and parents

● Covid home quarantine cover

● Tele-med for free doctor consultation, discounts on health checkups and medicines

● Wellness/Gym Reimbursement

●  Pet Expense Reimbursement

●  Childcare Expenses and reimbursements

●  Employee assistance program

●  Employee referral program

●  Education reimbursement program

●  Skill development program

●  Cell phone reimbursement (Mobile Subsidy program)

●  Internet reimbursement

●  Birthday treat reimbursement

●  Home office set up

●  Employee Provident Fund Scheme offering different tax saving options such as VPF and employee and employer contribution up to 12% Basic

●  Creche reimbursement

●   Co-working space reimbursement

●   NPS employer match

●   Meal card for tax benefit

●   Special benefits on salary account

●   New joiner relocation

### Responsibilities:

* Collaborative Development:

 - Work closely with Product, UX/UI, and Backend teams to design, build and extend consumer facing products, platforms, and features.

* Reusable Components:

 - Develop reusable iOS software components for our platform, ensuring modularity and maintainability.

* Continuous Integration and Delivery:

 - Collaborate with QA to implement CI/CD pipelines for automated and manual testing, ensuring app releases maintain high standards.

* Performance Monitoring:

 - Monitor the performance of live apps, continuously improving code quality and user experience.

* Innovation and Evaluation:

 - Stay updated with new mobile methodologies and technologies, evaluating their potential integration into our development process.

### Requirements:

* Proven Experience:

 - Demonstrated experience in developing mobile applications, specifically on the iOS platform using Swift.

* Modern Development Practices:

 - Up-to-date knowledge of modern iOS programming paradigms and experience with native app development.

* API and SDK Expertise:

 - Experience in API design, SDK architecture, and the mobile software lifecycle development practices.

* UX/UI Design:

 - Strong exposure to UX/UI design with experience in creating intuitive apps with pixel-perfect interfaces.

* Computer Science Fundamentals:

 - Solid understanding of algorithms and data structures.

* Methodologies:

 - Familiarity with SDLC and Agile methodologies.

* Startup Experience:

 - Prior experience working in a startup environment is a plus.

＃Must be Proficient in Swift, Objective C, Apple’s Xcode IDE

＃Knowledge of frameworks and APIs like Foundation, UIKit, and CocoaTouch

＃Apple Human Interface Guidelines

＃OpenGL or Metal, iOS graphics APIs

＃Familiarity with iOS 10 and newer OS versions

＃Knack for benchmarking and optimization

＃Experience on web service integration (SOAP, REST, JSON, XML)

＃Familiarity with cloud message APIs and push notifications

＃Using version control (e.g. SVN, GIT)

＃Excellent debugging and optimisation skills

＃Good to have backend development skills

Position: Android Developer – SD II

Organization: A Funded global healthcare platform connecting doctors, thereby enabling exchange of information on a quick and real time basis, founded in the year 2013.Currently there are 3 lakh doctors using this platform and everyday there are 400 new doctors joining it.A Funded global healthcare platform connecting doctors, thereby enabling exchange of information on a quick and real time basis, founded in the year 2013.Currently there are 3 lakh doctors using this platform and everyday there are 400 new doctors joining it.

The platform promotes exchange of viewpoints, ideas, and information on various medical practices amongst healthcare professionals. This saves both time and money as solutions to several health issues can be accessed on a real time basis. There are 1.3 million registered doctors and 400+ daily publications on its platform and they operate across 16+countries.

Location: Bangalore (Currently Remote, Later you need to relocate)

Roles & Responsibilities

You’re Awesome At -

• Native Android App development (Preferably for a B2C Product)
• Proficiency in various algorithms and data structures.
• Proficiency in Kotlin with at least 1 year of experience in Kotlin.
• Good knowledge of Coroutines, RxJava and JetPack components. JetPack Compose is a bonus.
• Strong experience with REST APIs (Retrofit), storage databases, multi-threading, performance, and memory tuning.
• Deep understanding of android architecture such as MVP and MVVM

Your Academic Qualifications -

BE / BTech in Computer Science preferred. However, if you have good hands-on knowledge of building Android apps, that’s what we are looking for!

You’ll Be Improving & Responsible For –

• A team that is building products used by 300k + doctors every single day.
• Work on Petabyte Scale Streaming Systems - more than 500 million hours of video has been streamed.
• Lead high volume VOD streaming (think of systems as sophisticated as Netflix and Amazon prime).
• Challenge oneself on Security, Scalability and Stability
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Reach out to the open-source community to encourage and help implement mission-critical software fixes

Your Experience Across the Years in the Roles You’ve Played -

2-4 years

Good to have:

• Experience in a test-driven environment
• Application built using Jetpack Components.
• In depth knowledge of handling database and db migration.
• Passion for product quality and attention to details.

4+ years of experience in web technologies & React Native.

Mandatory: Problem solving, Team player, Target & Result oriented Passionate about sports.

Functional: JavaScript, JavaScript Object Model, React Native, Native Build Tools, XCode and Android Studio, React Native workflows (such as Context or Redux and Redux Thunk Middleware), Maintaining Reusable Components and Libraries, Animations and Transitions, Integrate Third-Party APIs, GIT & JIRA.

KEY RESPONSIBILITIES:

• Coding and debugging pure JavaScript, polyglot and multi-lingual applications.
• Working closely with Technical Lead/Project Manager to ensure development timelines are met.
• Contribute with ideas to improve system design or streamline product delivery.
• Working with challenging applications involving Real-Time Data.
• Working on different platforms including the usage of the Native SDKs provided on JavaScript.

➢ Degree from top engineering college, or equivalent technical background is preferred
➢ Be a self-starter who thrives in a rapidly growing organization
➢ Agility and ability to adapt quickly to changing requirements and scope and priorities
➢ 2-4 years of industry experience in iOS Mobile Application design and development, with minimum 2 app deployed in App Store
➢ A deep familiarity with Swift. Experience working with iOS frameworks such as Maps, core Location, core Bluetooth and Core Animation
➢ Strong UX/UI design exposure and experience in making apps work intuitively
➢ Ability to identify issues and improve application performance
➢ Experience in usage of instruments to detect memory leaks for performance optimization
➢ Develop unit and functional test cases
➢ Familiar with the following – Git repository, Restful API, MVC, MVP, MVVM
➢ Strong CS fundamentals (with competencies in algorithms and data structures). Highly accountable and takes ownership, with collaborative attitude, and a lifelong learner.
➢ Experience with third-party libraries and APIs Solid understanding of the full mobile development life cycle