Senior / Lead IOS Engineer

Say hello to possibilities.

It’s not everyday that you consider starting a new career challenge.

RingCentral, Inc. (NYSE : RNG) is a global leader in cloud-based communications and collaboration software. We are fundamentally changing the nature of human interaction—giving people the freedom to connect powerfully and personally from anywhere, at any time, on any device. The company provides unified voice, video meetings, team messaging, digital customer engagement, and integrated contact center solutions for enterprises globally. RingCentral's open platform integrates with leading business apps and enables customers to easily customize business workflows.

We’re a $2 billion company that’s growing at 30+% annually and we’re expanding our Engineering Team to make sure we stay ahead of the competition. RingCentral is headquartered in Belmont, California, and has offices around the world.

About RingCX : RingCX is

RingCentral’s next-generation AI-powered Contact Center solution , designed to deliver seamless, intelligent, and personalized customer experiences across digital and voice channels. Built with a modern microservices architecture and deep AI integrations, it empowers businesses to automate, analyze, and act in real-time. Join us in shaping the future of customer engagement — where speed, empathy, and intelligence converge. Be part of a team that’s redefining how the world connects.

We’re currently looking for : Senior iOS Application Developer

Responsibilities

Architect, build, and maintain complex, feature-rich iOS applications.

Drive the adoption of modern iOS frameworks, best practices, and design patterns.

Collaborate closely with product managers, designers, and backend teams to craft seamless user experiences.

Ensure optimal app performance, memory management, and responsiveness.

Lead by example—mentor team members, conduct code reviews, and uphold engineering standards.

Continuously evaluate emerging iOS technologies and advocate for improvements in app architecture and tooling.

Create the detailed design of mobile applications, components and key implementation technology.

Review the software design and implementation done by the team.

Resolve tough technical issues.

Effectively communicate and articulate the design and technology to the management and engineering teams.

Qualifications :

7+ years of experience developing native iOS apps.

Expert-level proficiency in Swift, with working knowledge of Objective-C for legacy support.

Deep understanding of iOS frameworks : UIKit, CoreData, CoreAnimation, Combine, SwiftUI, and Foundation APIs.

Strong grasp of architectural patterns (MVVM, VIPER, Clean Architecture).

Experience with asynchronous programming, concurrency, and multithreading (GCD, async / await).

Proven expertise with unit testing, UI automation, and CI / CD (Fastlane, Bitrise, or GitHub Actions).

Strong debugging and profiling skills using Xcode Instruments.

Prior experience publishing and maintaining apps on the App Store.

Nice to have :

Experience building modular app architectures or multi-target frameworks.

Knowledge of Reactive programming ( RxSwift or Combine ).

Familiarity with

GraphQL, WebSockets , or real-time data streaming.

Hands-on experience with

Firebase, Analytics, and Performance Monitoring .

Exposure to

Swift Package Manager

or

CocoaPods

customization.

Familiar with

OpenGL ES

Prior exposure to Contact Center or Telecommunications systems

What we offer : Mediclaim Benefits

Paid Holidays

Casual / Sick Leave

Privilege Leave

Bereavement Leave

Maternity Leave

Paternity Leave

Wellness Coaching

Employee Referral Bonus

Professional Development Allowances

Night Shift Allowances