
• Strong working experience in IOS application development is a must. First-hand experience of native mobile apps using Swift must.
• Experience with Swift, Swift UI, Unit test.
• Strong system design and architecture skills - specifically for IOS. Curiosity to tinker around, explore new paradigms and strongest for continuous improvement. Strong problem-solving skills.
• Understanding of network connections, Rest API's and scheduling. Strong knowledge about security standards (e.g. HTTPS) and privacy standards.
• Idea/experience of the unit and instrumentation testing in IOS. Optimizing app performance and memory consumption.
• Excellent code data knowledge, socket programming & debugging skills.
• Debugging apps using simulators and related tooling.
• Design and build advanced applications for the iOS platform, Swift and Objective - C.
• Integrate and consume web services (JSON, XML, etc.)
• Familiar with Version control system such as GIT.

About Antino Labs Private Limited
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Required Skills: Advanced Flutter & Dart Expertise, Scalable Mobile Architecture Design, Performance Optimization & Profiling, OTT & Media App Engineering, Code Quality, Leadership & Cross-Functional Collaboration
Criteria:
- 6+ years of total software development experience with minimum 3+ years in Flutter
- Product-based company experience is mandatory (B2C scale preferred)
- Proven ability to own end-to-end Flutter mobile architecture for high-scale apps
- Strong expertise in Dart, Flutter SDK internals, and advanced state management (Bloc / Riverpod / Provider)
- Hands-on experience with platform channels and native integrations (Android & iOS)
- Deep knowledge of performance optimization: app startup time, FPS, memory leaks, widget rebuilds, rendering pipeline
- Experience with profiling tools (Dart DevTools, Android Profiler, Xcode Instruments)
- Strong skills in offline-first architecture, caching layers, and API integrations
- Ability to optimize video playback, downloads, DRM, and OTT workflows
- Strong command of clean code, SOLID principles, and scalable mobile system design
- Experience reviewing code and mentoring engineers (Senior IC role)
Description
Role Overview
We are looking for an experienced Flutter SDE III who can take complete ownership of architecture, performance optimization, and app scalability for our OTT mobile applications. This is a senior individual contributor role requiring deep technical expertise and the ability to influence design decisions at a product level.
Key Responsibilities
1. Architecture & Design (High-Impact IC Role)
• Own the end-to-end architecture of company’s Flutter mobile applications.
• Design scalable, modular, testable app ecosystems aligned with OTT-specific performance constraints.
• Lead decisions around state management, navigation hierarchy, API structure, offline capabilities, and security.
2. Performance & Device Optimization
• Diagnose and resolve mobile performance bottlenecks, including:
o App startup time, FPS drops, memory leaks.
o Heating issues, over-rendering, and expensive widget rebuilds.
o Battery optimization, efficient network calls, caching strategy.
• Run in-depth profiling using tools like Dart DevTools, Android Profiler, and Xcode Instruments.
3. OTT-Specific Engineering
• Optimize video playback workflows for low-latency streaming.
• Implement efficient background processes for downloads, DRM, content sync, and push notifications.
4. Product & User Experience Ownership
• Collaborate closely with Product, Backend, and Video Engineering teams.
• Convert business/product requirements into high-performance technical solutions.
• Ensure UI/UX consistency across platforms while maintaining performance budgets.
5. Code Quality & Leadership
• Write clean, extensible, and maintainable code with strong adherence to SOLID and reactive programming principles.
• Review code for mid-level and junior engineers; act as a mentor across teams.
• Establish engineering standards, internal frameworks, and reusable components for long-term scalability.
Required Skills & Experience
Technical Must-Haves
• 6+ years of total experience with 3+ years in Flutter for large-scale products.
• Mandatory product-based company background (B2C scale preferred).
• Strong expertise in:
o Dart, Flutter SDK internals
o Bloc, Riverpod, Provider, or other state management approaches
o Custom animations, rendering pipeline, shader-based optimization
o Platform channels (Android/iOS) and native integrations
o API integration, caching layers, offline-first architecture
• Strong understanding of mobile system design, scalable architecture, and low-level performance engineering.
Good to Have
• Experience with video streaming apps, OTT platforms, or media-heavy applications.
• Understanding of analytics frameworks (Firebase, Segment, Mixpanel).
• Exposure to CI/CD pipelines, automated testing, and fastlane.
Personality & Mindset
• Product thinking, not just feature-building.
• Ownership-driven with strong ability to take strategic technical decisions.
• Comfortable working in a fast-paced 0→1 and scale-up environment.
Why Join company?
• Work on a high-growth OTT app with millions of users.
• Opportunity to own the core mobile experience end-to-end.
• Build impact-heavy features at scale with a lean, highly skilled engineering team.
About the Role
We are looking to hire a talented iOS developer to design, build, and maintain the next generation of iOS applications. Your primary focus will be developing high-end iOS applications for the latest Apple mobile devices. Your duties may include collaborating with the product team and Tech team for new application features, identifying and fixing application bottlenecks, maintaining the core code, and updating applications published on the App Store.
To ensure success as an iOS developer, you should have a strong working knowledge of iOS Frameworks, be proficient in Swift, and be able to work as part of a team. Ultimately, an outstanding iOS developer should be able to create functional, attractive applications that perfectly meet the needs of the user.
Job Responsibilities
- Proficient in Swift, and Objective-C
- Design and implement new features, improvements, ensuring high performance, responsiveness, and a seamless user experience
- Providing implementation detail of feature and documentation
- Experience with iOS frameworks such as UIKit, SwiftUI
- Familiarity with RESTful APIs and networking libraries
- Knowledge of version control systems (e.g., Git)
- Identifying potential problems and resolving application bottlenecks.
- Maintain and enhance the existing codebase while adhering to best practices and coding standards.
- Understanding of Apple’s design principles and interface guidelines
- Developing and implementing architecture to support user interface concepts.
- familiarity with App Approval and Submission procedure
- Knowledge of Push notifications
- Implement secure coding practices to ensure data protection and user privacy
Experience & Skills Requirements
- Bachelor’s degree in computer science or software engineering.
- Minimum 3 years of experience in iOS development.
- Proficient in Objective-C, SwiftUI, and Cocoa Touch.
- Extensive experience with iOS Frameworks such as Core Data and Core Animation.
- Knowledge of iOS back-end services.
- Knowledge of Apple’s design principles and application interface guidelines.
- Proficient in code versioning tools including Mercurial, Git, and SVN.
- Knowledge of C-based libraries.
- Familiarity with push notifications, APIs, and cloud messaging.
- Experience with continuous integration.
About TrueFan
TrueFan is a celebrity-fan experience platform that enables fans to connect with their favorite celebrities. The business runs on a mobile application where fans compete in an online quiz contest designed on the life of their favorite celebrity (their movies, trivia, facts, etc.) and the winners get a personalized video message from them. The idea is to provide millions of fans an opportunity to fulfill their lifelong dream of interacting with their favorite celebrity while keeping it simple, passion oriented, and engaging for them.
TrueFan is founded by ex-IIT-SRCC alumni and is backed by marquee investors including Ronnie Screwvala, Mayfield Fund, and Saama Capital.
For more details: visit https://www.truefan.in/" target="_blank">https://www.truefan.in/
Job Description
Job: Full time
Location: Gurugram(Delhi NCR)
Budget: 10 - 30 LPA
We are looking for a React Lead interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as leading and coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.
Responsibilities
- Build pixel-perfect, buttery-smooth UIs across both mobile platforms.
- Leverage native APIs for deep integrations with both platforms.
- Diagnose and fix bugs and performance bottlenecks for performance that feels native.
- Reach out to the open source community to encourage and help implement mission-critical software fixes -React Native moves fast and often breaks things.
- Maintain code and write automated tests to ensure the product is of the highest quality.
- Transition existing React web apps to React Native.
What does the core role include?
- Leading a team of Developers to discuss user interface ideas and applications.
- Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
- Designing stateless components in React Native
- Contributing in all phases of the development lifecycle
- Working with the developers to create and maintain a robust framework to support the apps
- Working with the developers to build the interface with a focus on usability features
What else can you expect in the role?
- Prepare and produce releases of software components
- Optimizing performance for the apps
- Problem-solving skills, analytical mind, and positive attitude
- Ability to think from end users perspective and focused on improving the overall product experience.
- Deliver across the entire app life cycle concept, design, build, deploy, test, release to app stores and support
What can fetch you brownie points?
- Hands on experience with React Native is required
- Hands-on experience in React Native APIs, ReactJS, Javascript, ECMAScript (OOJS) and JSX.
- Strong understanding of JavaScript ecosystem
- Hands on experience on Android in creating Hybrid / Native applications
- Demonstrable UI/UX experience on a large-scale app.
- Thorough understanding of React Native development tools like IDEs (Nuclide, Atom, Sublime Text, or Visual
- Good knowledge of JS frameworks like ReactJS is a plus.
Hybrid Apps,React Native, Native iOS and Android Architecture understanding.
Visit Us - https://www.truefan.in/" target="_blank">https://www.truefan.in/
Do Your Thng
About us:
DYT - Do Your Thng, is an app, where all social media users can share brands they love with their followers and earn money while doing so! We believe everyone is an influencer. Our aim is to democratise social media and allow people to be rewarded for the content they post. How does DYT help you? It accelerates your career through collaboration opportunities with top brands and gives you access to a community full of experts in the influencer space.
- 2-4years of experience as an iOS developer.
- Must have Working Experience in a product based organization at least 18 months.
- Good Communication skills must.
- Understanding the project requirement intuitively and providing proper time estimation.-Always read for troubleshooting in all important projects. ● Experience in accessing data as JSON/XML using REST API.
- Candidate should have good knowledge of iOS, Swift, xCode and Git. ● Ability to build complex iOS standalone client applications & user interfaces, design & implementation.
- Experience with iOS Frameworks such as UIKit, Auto-layout using storyboards, etc. ● Knowledge of Apple's design principals, application interface guidelines, and experience with
- AutoLayout.
- Good communication skills with the ability to work in a highly-collaborative, agile team
- Strong analytical and problem-solving skills
- Flexibility to learn, and work with new technologies
Skills Required
- Very good knowledge of building iOS Apps.
- Experience in developing iOS SDKs will be preferred
- Very good knowledge of Swift is mandatory
- Knowledge of Objective C will be an added advantage.
- Good knowledge of interface builder, Core animation, and Object-oriented concepts.
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies.
- Experience with third-party libraries and APIs.
- The familiarity with frameworks & web technologies.
- Android experience is an added advantage.
- Team handling experience is an added advantage
Roles & Responsibilities
- To design and build advanced SDK for cross-platform.
- Client Interaction
- To collaborate with cross-functional teams to define, design, and ship new features.
- To RnD for new features
- To generate wireframes
- To design, develop, test, and implement a custom iOS framework as well as continuous production of new versions of the application.
- To design solutions independently.
- Unit-test code for robustness, including edge cases, usability, and general reliability.
- Work on bug fixing and improving application performance.
- Operates effectively in a fast-paced, deadline-driven, collaborative and iterative programming environment.
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
Soft Skills:
- Pleasant in communication
- Very good in interdepartmental coordination
- Innovative and out of box thinking
- Self-motivated and creative problem-solving skills
Benefits
- Work from anywhere(remote)
- Internet Allowance
- Medical Insurance Cover
-
Writing clean and efficient codes for iOS applications
-
Supporting the entire application lifecycle from concept to design, testing, release and support
-
Troubleshooting and bug fixes for applications, to ensure that codes are clean and secure
-
Recommending changes and enhancements
-
Staying up to date with new mobile technology trends, applications, and protocols
- Proven software development experience and iOS skills development
- Proven working experience in iOS app development and
- Have published at least one original iOS app
- Experience with iOS SDK
- Experience working with remote data via REST and JSON
- Experience with third-party libraries and APIs
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
- Experienced in SWIFT Language
Job 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
- 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
➢ Degree from top engineering college, or equivalent technical background is preferred
➢ Be a self-starter who thrives in a rapidly growing organization
➢ Agility and ability to adapt quickly to changing requirements and scope and priorities
➢ 2-4 years of industry experience in iOS Mobile Application design and development, with minimum 2 app deployed in App Store
➢ A deep familiarity with Swift. Experience working with iOS frameworks such as Maps, core Location, core Bluetooth and Core Animation
➢ Strong UX/UI design exposure and experience in making apps work intuitively
➢ Ability to identify issues and improve application performance
➢ Experience in usage of instruments to detect memory leaks for performance optimization
➢ Develop unit and functional test cases
➢ Familiar with the following – Git repository, Restful API, MVC, MVP, MVVM
➢ Strong CS fundamentals (with competencies in algorithms and data structures). Highly accountable and takes ownership, with collaborative attitude, and a lifelong learner.
➢ Experience with third-party libraries and APIs Solid understanding of the full mobile development life cycle
- Minimum 4+ years of mobile application development experience in native and excellent coding skills in Swift, RxSwift, RxCocoa, Objective-C
- Any experience on MVVM, VIPER
- Should have deep knowledge of the iOS SDK and IDE development tools.
- Experience developing client-server applications using technologies and web services APIs such as JSON, REST.
- Has hands-on experience with unit testing.
- Extensive experience in using various architecture, frameworks, and design patterns in designing/refactoring a highly optimized mobile is a must.
- Solid understanding of the agile development process and experience.
- Experience working in TDD (Test Driven Development) and CI/CD (Continuous Integration/Deployment) environment is a plus.
- Implement clean and manageable code incorporating best practices on security
- Collaborate with cross-functional teams from both offshore and onsite to define, design, and ship new features.
- Unit-test code for robustness, including edge cases, usability, and general reliability.
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
- Review code, bug triage and execute multiple releases as per business demand
- Involvement with API team to design request / response contract
- MVVM & VIPER is a must
- Background fetch
- Swift latest or minimum version 4 and Swift basics







