Jobs · cutshort
Senior iOS Developer
Keystone AI · Indexed today
About the role
Develop and maintain commercial-grade iOS applications, focusing on performance and user experience.
Qcentum Technologies LLC is hiring Senior iOS Developer job in San Francisco | Cutshort
Senior iOS Developer
Senior iOS Developer
10
\- 25 yrs
$150K - $200K / yr (ESOP available)
San Francisco
Skills
iOS App Development
Swift
Objective C
Xcode
IOS
Expert experience developing multiple commercial-grade mobile applications iOS using native languages (Objective-C / Swift, Xcode or Java).
\- Demonstrated knowledge of best practices for IOS or Android. Strong experience developing multithreaded applications.
\- Solid knowledge of mobile OS architecture - in areas of: UI, memory management, data storage, application management by OS and cybersecurity.
\- Experience with charting of data (scientific or medical data is preferred), either custom-developed or third-party charting libraries.
\- Experience with UI development of mobile application (scalable for different screen resolutions and localization).
\- Demonstrate initiative in all areas of work - proactive in identifying shortfalls in requirements, design or code.
\- Experience working with continuous integration.
\- Experience working with cross-functional teams.
\- Excellent communications skills (verbal and written). High-quality SDD/design and implementation documentation skills a must.
\- Experience with unit-testing and test automation preferred.
\- Must have apps published in either Apple/Google store.
Requirements and Qualifications:
\- Bachelor’s degree or higher in computer science, information technology or related field
\- Evidence of continuing education, such as technical certifications, a plus
\- Minimum 7 years’ experience in Information Technology field
\- Minimum 4 years’ experience in mobile application development
\- Prior experience working in an FDA regulated environment, a plus
\- Ability to work in high-pressure, deadline driven environment
Note : Please do share link of the Mobile App developed on Live in Apple store.
Read more
Users love Cutshort
Read about what our users have to say about finding their next opportunity on Cutshort.
Shubham Vishwakarma
Full Stack Developer - Averlon
I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
Companies hiring on Cutshort
Founded
:
2013
Type
:
Products & Services
Size
:
20-100
Stage
:
Bootstrapped
About
Qcentum Technologies LLC has been connecting top companies around the globe with the expert talent that drives their success. We work to ensure that the professionals we deliver have the distinct skills clients are looking for to reach their specific goals. Our deep industry expertise and full-service capabilities-IT staff augmentation, Temporary -permanent placement, project services, and ERP capabilities enable organizations to be agile, productive, and ahead in the field. With our wide network of specialists and flexible solutions, we're always ready to help clients achieve their latest objective and provide them with what they require to reach the next one
Read more
Connect with the team
Company social profiles
Similar jobs
Posted by
Janhavi Yadav
Remote only
4
\- 7 yrs
₹10L - ₹15L / yr
React Native
Swift
Kotlin
TypeScript
Position: Senior React Native Developer (4- 7 years)
Location: Remote (Company in Mumbai)
Company: Big Rattle Technologies Private Limited
Immediate Joiners only.
Summary:
We're looking for a seasoned React Native developer who has shipped production-grade mobile apps on both iOS and Android — ideally in the high-traffic, high-stakes world of e-commerce. You'll own the mobile experience end-to-end: architecture, performance, and flawless UX across devices.
Note: We are looking for a senior expert who has delivered multiple apps that are built from scratch and hosted on Apple Store/ Play Store i.e. e2e lifecycle.
KEY RESPONSIBILITIES
– Design and build scalable React Native apps for both iOS and Android from scratch to App Store / Play Store deployment.
– Architect complex e-commerce flows — product catalogues, cart, checkout, payment gateway integration, and order tracking.
– Optimize app performance: reduce TTI, maintain smooth 60fps animations, and manage memory on low-end devices.
– Integrate REST and GraphQL APIs; manage state with Redux Toolkit, Zustand, or React Query.
– Implement push notifications, deep linking, in-app navigation, and offline-first strategies.
– Write clean, well-tested code; maintain CI/CD pipelines using Fastlane, GitHub Actions, or Bitrise.
– Collaborate with designers, backend engineers, and product managers in Agile sprints.
– Conduct code reviews and mentor junior mobile developers.
Required Skills:
Core Mobile
▸ React Native CLI & Expo
▸ TypeScript
▸ React Navigation v6+
▸ iOS (Swift basics) & Android (Kotlin basics) ▸ Xcode & Android Studio
E-commerce & Integrations
▸ Product / Cart / Checkout flows
▸ Razorpay, Stripe, PayPal SDKs
▸ Wishlist, search UX, filters
▸ Order tracking & delivery status
▸ Push notifications & deep linking
State & Data
▸ Redux Toolkit / Zustand
▸ React Query / SWR
▸ REST & GraphQL APIs
▸ AsyncStorage / MMKV
▸ Firebase Realtime DB / Firestore
DevOps & Tooling
▸ Fastlane & GitHub Actions / Bitrise
▸ Jest (unit) & Detox (E2E)
▸ Firebase Crashlytics & Sentry
▸ Flipper / Reactotron
▸ App Store & Play Store deployments
Nice to Have skills: New Architecture · RN Web · AR try-on · RTL support · Shopify SDK · WCAG · Maps SDK
– React Native New Architecture (JSI / Fabric / TurboModules)
– React Native Web or monorepo setups (Nx, Turborepo)
– AR product try-on experiences (ARKit / ARCore)
– Shopify Storefront API or WooCommerce SDK experience
– Accessibility (WCAG mobile) implementation
– Live order-tracking maps (Google Maps / Mapbox)
Required Qualifications:
– Bachelor’s degree in Computer Science, Engineering, or a related technical field.
Why should you join Big Rattle?
Big Rattle Technologies specializes in AI/ ML Products and Solutions as well as Mobile and Web Application Development. Our clients include Fortune 500 companies. Over the past 13 years, we have delivered multiple projects for international and Indian clients from various industries like FMCG, Banking and Finance, Automobiles, Ecommerce, etc. We also specialise in Product Development for our clients.
Big Rattle Technologies Private Limited is ISO 27001:2022 certified and CyberGRX certified.
What We Offer:
– Opportunity to work on diverse projects for Fortune 500 clients.
– Competitive salary and performance-based growth.
– Dynamic, collaborative, and growth-oriented work environment.
– Direct impact on product quality and client satisfaction.
– 5-day hybrid work week.
– Certification reimbursement.
– Healthcare coverage.
Read more
Top startup of India - News App
Agency job
Noida
5
\- 10 yrs
₹30L - ₹65L / yr
Swift
Objective C
iOS App Development
Xcode
Model-View-View-Model (MVVM)
+3 more
Responsibilities:
● Ability to design and implement and maintain highly complex systems and
subsystems.
● Writing well-designed, testable and efficient code.
● Designing and developing advanced applications for the iOS platform.
● Troubleshoot, debug and optimize existing applications.
Requirements:
● Bachelor's degree in Computer Science or equivalent
● Proficient with Objective-C and Swift, Core Data, Core Animation, Networking
● Experience with performance and memory tuning with tools
● Familiarity with push notifications, MVVM
Read more
Posted by
Harsha J
Bengaluru (Bangalore)
3
\- 7 yrs
Best in industry
iOS App Development
Swift
Objective C
Xcode
We know what it feels like to build an iOS app, you must be proud of yourself if you're one.
Telyport is looking out for you
Here are the requirements:
– You've worked on building iOS apps from scratch
– You've got the skills of actively maintaining it and testing it
– Your apps are production-ready and are actively used
– Your apps are bug-free
– You've never given a reason saying it is Apple who did it
If you feel you're the one, put your favorite operating system in the note and apply it.
Read more
Posted by
tithi muk
Remote only
1
\- 2 yrs
₹3L - ₹6L / yr
Android Development
![skill icon](https://cdn.cutshort.io/public/image
Read the full posting on cutshort →
FAQ
Is the Senior iOS Developer role at Keystone AI remote?+
This Senior iOS Developer position is listed as onsite.
What is the salary for the Senior iOS Developer role at Keystone AI?+
The listing states 167000-222000 USD.
What seniority level is this Senior iOS Developer role?+
This is a senior level position.
How do I apply for the Senior iOS Developer role at Keystone AI?+
Use the "Apply on cutshort" button to open the original posting on cutshort, where you can submit your application directly to Keystone AI.