Lead iOS Developer and Video Expert
Responsibilities:
- Develop, improve, and maintain the Rumbl iOS app.
- Ensure the performance, quality, and responsiveness of the app.
- Work closely with designers, backend developers, and QA.
- Define, design, specify, develop, test and ship new features in a timely manner.
- Proactively identify design.
- Implementation errors, performance issues, and bugs.
- Work with the team and fix them e2e.
- Follow process workflows to ensure a smooth operation on a daily basis.
- Work as part of a cohesive and friendly team.
- Build and Release management.
- Exceptional work ethic and enthusiasm to work in a fast-paced development environment.
- Team players with a can-do attitude.
- Efficient Storage Management (Realm.io), State Maintenance, and Memory Management
Requirements:
- Excellent knowledge of iOS dev architecture and platforms.
- Expertise in UI/UX/Motion design transfer to code.
- Proficiency and experience in Swift and Objective C.
- Expertise working with cameras, sensors, low-level 2D and 3D graphics development.
- Experience with Core Data and Core Animation.
- Deep Knowledge of REST APIs, API call processing, and Client back end management.
- Familiarity with Facebook, Snapchat, Twitter, analytics, and other external SDK integration.
- Familiarity with Push notifications, Firebase, and GCM.
- Familiarity with Sketch+Zeplin.
- Experience with benchmarking and optimization.
- Proficient in using Git.
- Working knowledge of Jira integration.
- Proficient in TDD.
- Experience leading a feature to completion and release.
- API processing/Performance optimization.
Shubham Vishwakarma
Full Stack Developer - Averlon
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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.
Responsibilities:
- Design, build, and maintain high-performance, reusable, and reliable code.
Requirements:
- Strong knowledge of swift.
- iOS app architecture.
- REST API Integration.
- Experience in creating fluid animations using UIKit animations and transitions
- Proficient understanding of code versioning tools, such as Git.
- Familiar with APN and Firebase Push notifications.
Years of Experience:4-6 Years
Work Location: Bangalore
Notice:Immediate to 15 Days(Max)
Responsibilities:
-
4+ years of experience in IOS Development.
-
Strong 3 Years of experience in Swift.(Mandatory)
-
Good knowledge in Flutter.
-
Strong analytical skills combined with experience in Object Oriented Programming (OOPS) concepts and Cocoa touch and iOS SDK.
Required skills:
-
Proficient with Objective-C and Swift (depending on project requirements)
-
Experience with iOS frameworks such as Core Data.
-
Familiarity with Restful APIs to connect iOS applications to back-end services.
-
Understanding of Apple's design principles and interface guidelines
-
Experience with performance and memory tuning with tools (such as Instruments and Shark, depending on project needs).
-
Familiarity with cloud message APIs and push notifications.
-
Proficient understanding of code versioning tools such as Git, SVN, bit bucket.
-
Familiarity with continuous integration.
-
Universal application development for both iPhone and iPad.
-
Be able to build mobile applications to connect to middleware and applications through web services.
-
Have excellent knowledge about the performance optimization of mobile applications.
Job Profile: Software Development Engineer IV - iOS - StoreFront team
Location: Bangalore | Karnataka
ABOUT THE TEAM & ROLE:
Swiggy's StoreFront Engineering team helps customers enjoy personalized discovery and purchase experience across multiple product lines (Stores, Food, Genie and Instamart). The team is enabling this by developing thoughtfully crafted applications, smart cataloging, relevance-based search & intent-driven merchandising, checkout management solutions, and payment systems.
We are looking for engineers who have hands-on experience in building highly reliable distributed systems and have deep expertise in database design & performance tuning. Knowledge of Machine Learning and other Predictive Modeling techniques will be added strength. Few interesting problems we are solving include:
1. Client-facing Applications
2. Smart Catalog & Category Intelligence
3. Personalized Search & Merchandising experience
4. Payments
5. Pricing
6. Order Management System
At Swiggy, SDE IV(s) play an integral role in owning end-to-end Design/Architecture of complex systems. They co-own the technology vision of the respective team and significantly contribute to the overall success of the team. They partner with the product/business teams to understand the product features and specifications, translate them into high level and low-level design thereby facilitating the team in design and development of mission critical applications.
What qualities are we looking for?
- Hands on experience in mobile application development for at least
- Hands on working experience in Swift
- Experience in multithreaded programming and memory optimization
- Ability to learn and grow in a fast paced setup
- Working knowledge of iOS Architectural Components and Design Patterns
- Very good debugging skills
- Good knowledge in implementing Pixel Perfect designs
- Good in Data Structures and Algorithm
What will you get to do here?
- Coming up with best practices to help the team achieve their technical tasks and continually thrive in improving the technology of the product/team
- Driving the adoption of best practices & regular Participation in code reviews, design reviews, architecture discussions
- Experiment with new & relevant technologies and tools, and drive adoption while measuring yourself on the impact you can create
- Implementation of long term technology vision for your team
- Responsible for complete architecture of your product
- Creating architectures & designs for new solutions around existing/new areas
- Decide technology & tool choices for your team & be responsible for them
• No of Vacancy: 2
• Reporting To: CTO
• Work Experience: 2 to 4 years of experience in MAC OS and iOS Development
• Educational Qualification: Graduate in IT & above
Required Skills:
• Experience in creating applications for Mac OS X and iOS Applications
• Excellent in Objective-C and Swift
• Exposure working with C++ programming language for Mac application
• Integrate apps with authentication APIs
• Proficient understanding of code versioning tools like GitHub, firebase and Xcode so on.
Job Description:
• Execute full software development life cycle (SDLC)
• Develop flowcharts, layouts and documentation to identify requirements and solutions
• Write well-designed, testable code
• Produce specifications and determine operational feasibility
• Integrate software components into a fully functional software system
• Develop software verification plans and quality assurance procedures
• Document and maintain software functionality
• Troubleshoot, debug and upgrade existing systems
• Deploy programs and evaluate user feedback
• Comply with project plans and industry standards
• Ensure software is updated with latest features
Experience: 7 - 11 years
Talents from eComms Only
Role: Director Engineering (Mobile)
Key Skills: Java/Python, Android, iOS, Design Patterns, AWS, OOP, SDLC,Kotlin, Swift, Objective C, Cocoa
As a technical leader, you own the engineering vision and oversee the technical standards your team thrives on. As a manager of engineers, you coach and develop our promising, young talent and ensure their collective energy is applied effectively and efficiently to accomplish not only the organizational goals, but also their individual career goals.
- Own the development practices and standards for your team
- Own the technical architecture, drive engineering design and shoulder critical decisions
- Interface with Architects and technical leads to steer them to continuous Feature Improvements
- You have experience in managing, coaching software developers to help them level up
- You are able to weigh several and often conflicting constraints and make rapid decisions in a fast-moving and quickly-growing company
- You have a strong technical background, with 7+ years of experience with software engineering predominantly working on mobile applications (Android, iOS)
- Should have worked on at least one of these programming languages (Python/Java)
- You possess strong knowledge of Android, Java, JSON, Kotlin, Objective-C
- Excellent understanding of Android design patterns, Data Structures, Algorithms, iOS
Excellent OO programming skills in Swift
Knowledge of Common Cocoa touch design patterns, Storyboards, Auto layout & Multithreading
Strong analytical and debugging skills
Comfortable working through the entire iOS stack from UI and animations to network and storage
Excellent understating of all iOS Tools including: Xcode, Instruments, etc.
QUALIFICATION:
A Bachelor’s degree in Computer Science (or equivalent experience)
M-Tech or advanced degree a plus
Hackathon participation and accolades are a plus
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon