Walkin - iOS Developer - Xcode/Memory Management

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.

Key Skills required

1. Understanding of the entire Mobile Application Development lifecycle

2. Solid experience of 2 years + in building Native Swift based iOS applications

3. Excellent knowledge of iOS specific user interfaces, user experiences and guidelines

4. Working experience with MVC and MVVM architectures

5. In depth knowledge of iOS specific user experiences and human interface guidelines

6. In depth experience in implementing user interfaces for iOS - Auto Layout

7. Hands on experience working with API integration within iOS applications

8. Hands on experience working with 3rd party SDKs, Libraries and APIs

9. Experience with media streaming & playback using AV Player, AV Foundation & AV Capture

10. Experience working with analytical SDKs like Firebase Crashlytics, Branch.io etc

11. Experience with Push Messaging, Local Notifications, Background services

12. Experience in debugging errors and crashes using tools such as Crashlytics or Sentry

13. Experience with Marketing and Attribution SDKs such as Clevertap, Branch and/or Appsflyer

14. Experience in releasing applications to the Apple App Store

15. Ability to work in an Agile environment

16. An inclination towards cross platform technologies such as React Native

• 6+ years of experience in Software Development and writing Unit tests for Mobile Apps
• Excellent designing, debugging and programming skills in an Object oriented programming language like C#, Java, javascript, Swift, Dart etc.
• Experience with Native Mobile development (Android or IOS) and Cross-Platform mobile development (preferably Flutter)
• Solid understanding of SOLID principles
• Strong knowledge of writing code for testability, modularity and extensibility
• Knowledge of test methodologies and corresponding unit test framework tools like JUnit etc.
• Excellent communication and organizational skills.
  
  

• Experience working with BloC Pattern and Dependency Injection
• Knowledge of Eventing based programming patterns. 
• Exposure to integrating Performance, Analytics, Attribution tools
• Experience of using Flavors in application development
• Knowledge of Multi-module development in Flutter (ex- via Melos)

• Work with the product team and drive design, development and delivery of new features.
• Investigate and fix issues referred to by the support team. Write code to automate tests to automate regressions.
• Work on improving stability, debuggability, testability of existing functionalities/modules/components
• Integrate REST and GraphQL APIs and consume in app.
• Serve as a technical lead for the team
• Mentor team members

Job Description

We are looking for an iOS developer responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and tablet computers. Your primary focus will be development of iOS applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential.

Responsibilities:

• Design and build applications for the iOS platform
• Ensure the performance, quality, and responsiveness of applications
• Collaborate with a team to define, design, and ship new features
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality, organization, and automatization

Skills

• Proficient with Objective-C or Swift.
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Knowledge of other web technologies and UI/UX standards
• Understanding of Apple’s design principles and interface guidelines
• Knowledge of low-level C-based libraries is preferred
• Familiarity with cloud message APIs and push notifications
• Knack for benchmarking and optimization
• Proficient understanding of code versioning tools (such as Git, Mercurial or SVN)
• Familiarity with continuous integration

Education Qualification:

• Undergraduate in Engineering related to Computer Science and Information Technologies and Postgraduate in Computer Science
• Shouldn’t have Backlog or Arrear.
• Must have completed at least 3 month course.

What WE have

• A small, well-knit team with a bunch of self-driven aces who love their work as well as working here!
• A top notch product spanning web app, mobile app, chatbot and artificial intelligence tech stack
• An enviable client portfolio that includes known names such as LG, Biba, W, HPCL, Costa Coffee (to name a few), who depend on us to track their compliances and efficiencies.
• An open door culture
• An environment to push your boundaries and expand your skillsets
• A newer challenge every day!

What YOU must have

• 3-5 years’ experience with native mobile App development on both Android as well as iOS platforms.
• Bachelor’s degree or above in information systems or computer science
• Excellent knowledge of Android SDK, different versions of Android, iOS framework
• Strong knowledge of Android & iOS UI design principles, patterns, and best practices
• Familiarity with RESTful APIs to effectively integrate Android applications
• Should have worked on Apps using local resources (like camera, GPS, Speech recorder, settings etc) and having local storage capability using SQLite, xml, firebase etc.
• Proficient understanding of code versioning tools such as Git
• Familiarity with various testing tools
• Team player with strong communication, documentation  and collaboration skills

• Strong analytical and problem solving skills
• Ability to productively function under pressure and within a deadline oriented atmosphere
• Self-motivated and high-initiative taking
• Organized and detail orientated with strong work ethic
• Ability to thrive in a dynamic and fast-paced environment

What will you do

• Translate designs and wire frames into high quality code

• Develop AI/ML based mobile apps for both Android and iOS
• Resolve bugs as reported by the QA team.
• Maintain code quality, organization, and automation
• Share weekly and monthly development plans and build releases schedule.

Impress us with your skill, self-drive and work ethics, and we will go any length to make you part of the growth journey!