Senior iOS Developer

Job Summary

We are seeking a highly skilled iOS / Android Developer with strong hands-on experience in Kotlin Multiplatform Mobile (KMM) and Compose Multiplatform (CMP) to join our mobile development team. The ideal candidate will be responsible for building and maintaining cross-platform mobile applications while ensuring high performance, scalability, and seamless user experience across iOS and Android platforms.

Key Responsibilities

• Design, develop, and maintain cross-platform mobile applications using Kotlin Multiplatform Mobile (KMM) and Compose Multiplatform (CMP).
• Build and manage shared business logic, networking, and domain layers across iOS and Android.
• Develop native components using Swift & iOS SDK and Android SDK as required.
• Integrate RESTful APIs, handle JSON parsing, and manage networking using Ktor.
• Ensure application performance, memory optimization, and effective debugging across both platforms.
• Collaborate closely with backend, Android, iOS, QA, and product teams to deliver high-quality solutions.
• Participate in code reviews, technical discussions, and architecture decisions.
• Manage app deployment processes, including App Store and Play Store submissions, certificates, signing, and provisioning profiles.

Required Skills & Qualifications

• 4+ years of professional experience in mobile application development.
• Strong hands-on experience with Swift & iOS SDK and Android SDK.
• Mandatory hands-on experience with Kotlin Multiplatform Mobile (KMM) and Compose Multiplatform (CMP).
• Solid understanding of mobile app architectures such as MVC and MVVM.
• Experience with REST APIs, JSON parsing, and Ktor for networking.
• Good knowledge of performance optimization, memory management, and debugging techniques.
• Familiarity with app publishing processes, certificates, code signing, and provisioning profiles.
• Ability to work independently and deliver within timelines.
• Strong communication and collaboration skills.

Preferred Candidate Profile

• Immediate joiner or candidates available on short notice.
• Experience working in agile or fast-paced product environments.
• Strong problem-solving and analytical mindset.

Job Description

We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Responsibilities

• Build pixel-perfect, buttery smooth UIs across both mobile platforms.
• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Transition existing React web apps to React Native.
• Firebase and cloud function expereince would be huge plus

Skills

• Firm grasp of the JavaScript (and TypeScript ) language and its nuances, including ES6+ syntax
• Knowledge of (functional or object-oriented) programming
• Ability to write well-documented, clean Javascript code
• Rock solid at working with third-party dependencies and debugging dependency conflicts
• Familiarity with native build tools, like XCode, Gradle (Android Studio, IntelliJ)
• Understanding of REST APIs, the document request model, and offline storage
• Experience with automated testing suites, like (Jest or Mocha)

We are looking for a React Native developers between 1 to 3years of experience interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

• Build pixel-perfect, buttery smooth UIs across both mobile platforms.
• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Transition existing React web apps to React Native.

About the Role

We, at upGrad, believe in giving ownership and responsibility to each one of the team members. As an iOS Developer, you will be a part of the iOS app development team and strive to deliver the best learning experience out there to our learners that upGrad is known for. You will be responsible for developing features, taking those features to production and maintaining the existing code.

Innovative nature and pro-active involvement in the product is taken very seriously at upGrad, therefore, a major part of your role would involve thinking about new features and new ways to deliver quality learning experience to our learners.

Roles & Responsibilities

• Own end to end development and operations of high-performance software development team.
• Design the architecture and deliver clean, testable, and scalable code 
• Participate in requirement gathering and display a strong sense of ownership and delivery 
• Maintain high standards of software quality within the team by
• Participating in regular peer-reviews of solution designs and related code 
• Provide technical leadership to teammates through coaching and mentorship.

Skills Required

• Minimum 6 years of strong iOS development experience with at least 2 Apps Published on App Store of Enterprise Platform.
• Strong Swift concepts along with OOPS, Computer Science fundamentals, Memory Management, App Profiling experience.
• In depth understanding of frameworks like UIKit, Foundation classes, AutoLayout, Core Data, Networking, Collections, GCD, ARC.
• Solid understanding to write modular code, template based programming which is Unit testable (Critical Requirement)
• Solid understanding of iOS architectural patterns especially VIPER (and MVVM) and their importance in scalable software development process.
• Prior understanding of Git (must have), JIRA, Trello, Confluence, etc
• Experience in iOS UI creation using Storyboards, XIB and Code.
• Experience with standard libraries like RxSwift, Swinject, Alamofire, etc.
• Good written and verbal communication.
• Ability to collaborate with multiple teams to work on different phases of the project.
• Knowledge about App Store, publishing an app and the common rejection reasons.

- B.E/M.C. A Or B.C.A Degree in Computer Science, Engineering, MIS, Or Similar Relevant Field

- Strong Knowledge of Android SDK, Different Versions of Android, And How to Deal with Different Screen Sizes

- Familiarity with RESTful APIs To Connect Android Applications to Back-End Services

- Strong Knowledge of Android UI Design Principles, Patterns, And Best Practices

- Experience With Offline Storage, Threading, And Performance Tuning

- Ability to Design Applications Around Natural User Interfaces, Such As “Touch”

 - Familiarity with The Use of Additional Sensors, Such as Gyroscopes and Accelerometers

 - Knowledge of The Open-Source Android Ecosystem and The Libraries Available for Common Tasks

- Ability to Understand Business Requirements and Translate Them into Technical Requirements

- Familiarity with Cloud Message APIs And Push Notifications

- A Knack for Benchmarking and Optimization

- Understanding of Google’s Android Design Principles and Interface Guidelines

- Proficient Understanding of Code Versioning Tools, Such as Git

- Familiarity with Continuous Integration - Good Knowledge of Kotlin.

- At Least Publish 3-4 Application in the Play Store

 - Knowledge of Cross-Platform And iOS Development Will Be an Advantage.
-  Knowledge of health care and e-commerce domain will be good.

• HTTP APIs 
• SQLite
• Firebase
• Git

• AWS
• MQTT
• IoT
• AWS Cognito 
• Knowledge about Hardware IoT, ESP32, ESP8266, NodeMCU etc.

Roles & Responsibilities:

• Build and technically lead Android apps in terms of scale, performance, security, and design
• Actively participate in feature design
• Unit-test code for robustness, including edge cases, usability, and general reliability
• Take ownership of the features right from estimating timelines to Production release
• Carry out code reviews and mentor junior engineers
• Instill best practices from following MVP/MVVM patterns to using required Java design patterns within the application
• Understand the latest Android features and practices and lead the efforts towards its adoption within the team and across all mobile pods
• Follow SOPs of Agile methodologies & Sprint deliverables and drive the same within the team

Requisites / Prerequisites:

• Android Work Experience of between 3 to 5 years.
• BE/B.Tech from Tier 1 or Tier 2 institutions
• Strong understanding of Object Oriented Programming, data structures and design patterns
• Experience in developing B2C / B2B mobile applications
• Experience in memory management and in designing high-performance applications
• Strong Java, Design Patterns and OOPS knowledge and hands-on experience
• Experience in shipping applications through the Google play store
• Experienced in Android Material Design
• Basic SQL knowledge
• Experience in working with JUnits and other Unit Testing framework is a plus
• Experience in OpenGL and animations is a plus