iOS developer

Senior Mobile App Developer (Android & iOS)

Location: Brookefield, Bangalore — Onsite

Engagement: Full-Time

Experience: 3+ Years

Job Description

We are seeking a highly skilled Senior Mobile App Developer/Consultant with strong hands-on experience in building, deploying, and maintaining mobile applications for both Android and iOS, with React Native as the primary development framework.

The ideal candidate must be proficient with React Native, Android Studio, Xcode, and the end-to-end iOS App Store deployment process. This is an onsite, full-time role suitable for professionals who can take ownership and deliver high-quality product-based mobile applications. Experience in product companies or the banking/fintech domain is a strong advantage.

Primary Tech Stack (Mandatory)

React Native (Primary Framework)

Android Studio (Java/Kotlin)

Xcode (Swift/Objective-C)

RESTful APIs & Integration Patterns

App Store & Play Store Deployment Processes

Key Responsibilities

Design, develop, and maintain mobile applications using React Native for both Android and iOS.

Work with native modules when required using Swift/Objective-C and Java/Kotlin.

Build and release iOS apps to the Apple App Store, including managing certificates and provisioning profiles.

Debug, troubleshoot, and enhance mobile applications.

Optimize app performance, stability, and responsiveness.

Collaborate with product, backend, and QA teams for smooth development workflows.

Apply best practices in UI/UX, security, and mobile architecture.

Prepare documentation and provide technical guidance as needed.

Required Skills & Qualifications

3+ years of hands-on mobile development experience.

Mandatory: Strong proficiency in React Native.

Hands-on experience with Android Studio and Xcode.

Expertise in Swift, Objective-C, Kotlin, or Java.

Proven experience in building and publishing iOS apps to the App Store.

Strong understanding of RESTful API integrations.

Good knowledge of mobile UI/UX principles.

Strong debugging and problem-solving abilities.

Ability to work independently and deliver within timelines.

Nice to Have

Experience with Flutter or native-only app development.

Product-based company experience.

Exposure to Banking / FinTech systems.

Understanding of App Store Optimization (ASO).

Work Details

Location: Brookefield, Bangalore (Onsite)

Working Days: Monday to Saturday (Alternate Saturdays Off)

Timings: 9:00 AM – 6:00 PM

Job Title: IOS Engineer (Remote)

Job Description

Remote Working | Engineering Team | Full-time

The Impact you will create on the Job:

Developing SDKs on IOS with support for cross-platform technologies like ReactNative, Flutter along with hybrid development over platforms like Cordova.

Apply data structures and algorithms to optimize the code for a lower memory, battery, and processing footprint - all with the goal to build plug-and-play SDKs that don’t expect the app developers to write any supporting code in the app.

You will be liaising with the cross-functional teams to get an in-depth understanding of the functional requirements and propose scalable solutions.

As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.

You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.

You will get an opportunity to work with some of the best talent while learning from various highly-functional teams in the company.

You will collaborate with your team and set an example by delivering high quality and innovative engineering solutions for complex use cases.

Plan and execute the roadmap with the engineering team to build and deliver next-generation systems.

What we look for?

Bachelor’s/Master’s degree in Computer Science/IT from premier institute.

2-4 years of industry experience in iOS development, with at least one live app on App Store.

Good knowledge of Objective-C, Swift 5, data structures and algorithms.

Fair understanding of Native Frameworks, specifically concurrency handling, data persistence (User Defaults, Keychain, Core Data), and background tasks.

Good understanding of iOS Frameworks related to UI and network.

Fair understanding of Apple’s concurrency handling, Core Data, and NS Operation classes.

Familiarity with developing UI with both XIB/Storyboard and code.

Good understanding of SDK integrations, debugging, and troubleshooting.

Interested in exploring mobile app development ecosystems like React Native, Cordova and Flutter.

Comfortable with tackling ambiguous problems and unblocking yourself.

Fair understanding of Push Notification ecosystem.

About Unolo

Unolo is a rapidly growing organization focused on providing innovative solutions to empower companies and their field executives. With an impressive client roster including industry leaders such as Amul, Reliance, Intel, and NoBroker, we are dedicated to delivering cohesive and efficient work experiences. As a dynamic company, we value teamwork, technological excellence, and a passion for problem-solving.

Position Summary

We are seeking an exceptional iOS Developer to join our esteemed team. As a key member of our organization, you will collaborate with existing Android developers to enhance and upgrade our flagship product, Unolo. Your primary responsibility will be to implement new features such as a collections or payments module. Additionally, your expertise will contribute to scaling our customer base and driving revenue growth. This role offers the opportunity to work closely with the founder and be an integral part of our close-knit team.

Responsibilities

• Collaborate with existing iOS developers to enhance and upgrade the Unolo product
• Implement new features, including a collections or payments module
• Contribute to scaling our customer base and driving revenue growth

Requirements

• Minimum of 2 years of professional iOS development experience including experience in Swift.
• Ability to work closely with the founder and contribute to a tight-knit team
• Passion for technology and a strong problem-solving mindset
• Demonstrated ability to work quickly and deliver high-quality results
• This is an in-office position based at our offices in Golf Course Road, Gurugram.

Join us and be a part of our exciting journey as we continue to revolutionize the way companies operate and empower their field executives. Apply now to unleash your potential as a rockstar iOS Developer!

1. Have you used Swift in production code ? If yes please share the duration
2. Have you used RxSwift in production code? What were the common scenarios for using it ?
3. Have you used Combine in production code? What were the common scenarios for using it ?
4. Have you used GCD or Operation queues in production code? What were the common scenarios for using it ?
5. Have you used CocoaPods or Swift Package Manager for dependancy handlings in any of the projects you have worked ? What were the common scenarios for using it ?
6. Have you used any of MVVM or VIPER or any other architecture in production code? Please specify which one.
7. What size team have you been a part of? Were there interactions with designers, Product Managers and/or testers?
8. Share links of your app/s on the App Store that you have contributed to.

Role & Responsibilities:

• Design and build advanced applications for the iOS platform
• Collaborate with cross-functional teams to define, design, and ship new features
• Work with outside data sources and APIs
• Integrate features with wearables and other IoT devices
• 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

Education & Qualification Requirement:

• Bachelor of Engineering, preferably in Computer Science of Information Technology

Desired Skills and Experience:

• You have 3+ years of iOS app development experience using Swift.
• Published apps in the App store
• Have a good sense of how networked applications (Web services/REST APIs and JSON) work
• Well versed with server side syncing, database handling etc.
• Sharp analytical skills - find out edge cases both in code and usability/product.
• Ability to learn and adapt fast.
• Collaborate with cross-functional teams to define, design, and ship new features.
• 2+ years experience in any UNIX environment
• Experience implementing and maintaining unit tests
• Interest in privacy and the protection of personal information
• Good grasp of the fundamentals of UI layout designing, mobile UI components, using common themes and styles.
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies.
• Strong understanding of design patterns, or an opinion on why they're overrated.

- Responsible to create and manage iOS Application for both iPhone and iPad using APIs, Third Party SDKs

Required – Swift (MVVM), Objective-C

iOS Developer Responsibilities:

• Designing and building mobile applications for Apple’s iOS platform.
• Collaborating with the design team to define app features.
• Ensuring quality and performance of the application to specifications.
• Identifying potential problems and resolving application bottlenecks.
• Fixing application bugs before the final release.
• Publishing application on App Store.
• Maintaining the code and atomization of the application.
• Designing and implementing application updates.

EXPERIENCE

iOS Developer Requirements:

• BE, B Tech, ME, M Tech, MCA in Computer Science with 3-9 years of experience

• Proven experience as an app developer.
• Proficient in Objective-C/ Swift/ Cocoa Touch.
• Knowledge of iOS back-end services.
• Knowledge of Apple’s design principles and application interface guidelines.
• Proficient in code versioning tools including Mercurial, Git
• Ability to work with crash analytics, CI/CD etc regarding iOS development
• Familiarity with push notifications, APIs, and cloud messaging.
• Experience with continuous integration.

• 5+ years’ experience in developing applications for iOS using Swift 5.
• Hands-on experience in developing and integrating mobile applications for iPhone & iPad (both orientations)
• Knowledge of JSON/REST API, web services and related technologies.
• Experience with design Guidelines, UI and UX design.
• Prior experience in submitting and maintaining iOS Apps on Apple Store & TestFlight would be a plus
• Hands-on experience working with 3rd party SDKs, Libraries and APIs
• Experience with offline storage, threading, and performance tuning.
• Familiarity with cloud message APIs and push notifications.
• Familiar with Apple Human Interface Guidelines
• Dynamic design handling
• Gamification
• Strong problem-solving skills

• Should also be proficient in using Adaptive Layouts

Responsibilities and Duties

• Understand project, strategise development plans and deliver on time with utmost quality.
• Maintaining and supporting multiple projects and deadlines
• Volunteer in creating new apps and improvise existing apps.
• Stay in touch with market trends and new technologies.

Job Type: Full-time