
Profile - iOS Developer
Exp- 3+ Years
Company Profile:
Saffron Tech Private Limited
Saffron Tech is a result driven digital transformation company in New Jersey (NJ) &
New Delhi. We are known for transforming businesses to digitisation. We are
providing development services and IT solutions to its clients across the globe. Being
in the field of IT for more than 10 years now, the company has successfully executed
over 1500 projects for its clients. Saffron Tech Pvt Ltd is a multi-faceted IT firm
adept at providing Web and Mobile Application Development, IT Offshore Staffing
and Digital Marketing Services.
We are servicing over 500 clients from across the globe. We are a strong 150+
member family at the moment working from state of the art office premises close to
Saket, South Delhi. Our primary operational markets are USA, UK, APAC and
Middle East. To know more about us and our brands please visit
Role Purpose:-
iOS App Design and Development
Detailed Responsibilities description:-
Analysis of requirements and specifications
Understanding of standard specification like Bluetooth® LE and other IoT
standards.
Analysis of project requirements, estimation of effort required for various tasks.
Design, Development, Enhancement and Maintenance of iOS App
Software design including architecture and UI design of iOS App in an Agile
environment.
Development of iOS App in Swift 5 using XCode for iOS platform.
Write code suitable for concurrent execution / multi-threaded environment.
Deep debugging / troubleshooting of iOS Apps both in development and
production environments across Swift.
Profiling and optimization of iOS applications
Use crash logs / analytics to find issue on customers’ device.
Use XCode instruments / other tools to profile software, find bottlenecks.
Optimization of code, use of appropriate data structure and application of proper
algorithms.Must have skills:
Good Team Player having ability to work independently with minimal
supervision.
Hands-on programming knowledge of Swift & Objective-C on iOS platform.
Basic knowledge of Core Bluetooth (BLE)
Working knowledge of Core Data
Extensive experience in using various architectures, frameworks and design
patterns in designing/refactoring highly optimized.
Good knowledge of C, C++ and objective oriented programming.
Hands-on knowledge of source control tools like GIT.
Knowledge of creating frameworks and libraries / SDK on iOS platform.
Experience in debugging and profiling iOS Apps.
Understanding of Apple Coding, UI Design and API Guidelines.
Experience of iOS App submission, distribution and review process.

Similar jobs
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.
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.
• 3+ years of experience building mobile applications.
• Proficient with React Native.
• Experience in developing and delivering large scale Android and iOS mobile applications
via React-Native.
• Ability to work through new and complex React Native issues and contribute to libraries
as needed.
• Engineers who are obsessed with optimizations and are ready to go the extra mile to
deliver the best app experience to the customers.
• Firm grasp of the JavaScript language and its nuances, including ES6+ syntax and
Typescript.
• Experience in writing unit testing code with libraries like Jest, Enzyme, Jasmine, Mocha,
etc.
• Experience in at least one native language, Android or iOS(Swift/Objective C).
• Good knowledge of monitoring and tracking down app crashes and bugs using advanced
tools.
• Worked in a startup environment with high levels of ownership and commitment.
• A growth mindset and passionate about building things from the ground up, and most
importantly, you should be fun to work with
Roles and Responsibilities
- You will be building and shipping robust apps to Android/ iOS devices using a single codebase.
- You will be writing readable and clear code using Dart that will be extensively documented for future use and upgrades.
- You will be sharing feedback and brainstorming ideas with teams to improve the development process.
- Understand basic concepts of design for developing user friendly applications.
- Stay up to date with the latest technologies.
Skills and qualifications
- Experience in development of Android/iOS applications and have deployed them on Google Play/App Store.
- 1+ years knowledge in mobile app development.
- In depth understanding of front end languages like HTML, CSS3 and JavaScript.
- In depth understanding of Object Oriented programming languages like Java and C++.
- Familiarity using version control tools like Git, Subversion etc. and IDEs like Android Studio, VS Code etc.
- Understanding of the Agile Software Development Life Cycle and been exposed to Scrum projects.
- Knowledge of Dart programming language, Rest APIs and integration of various APIs from third parties.
- Comfortable using test cases for debugging code, enhancing performance and reliability.
Required Candidate profile
- Ability to handle and build integration of mobile apps with third-party systems,
- developing Android and iOS apps
- using Flutter, Dart, Rest APIs, Angular, jQuery, Ionic
Perks and benefits
- 5 days working
- Flexible Office Hours
- Health Insurance
Job Role : Software Developer (Android)
Job Location : Delhi
Note: As of now WFH
Experience Required : 3+ years’ experience
Qualification: B. Tech CS / IT from tier 3 above
Job Description
We are looking for a results-driven Android Developer who will work with team members to build, troubleshoot and improve current Android applications. The Android Developer will use his or her understanding of programming languages and tools to analyze current codes and industry developments, formulate more efficient processes, solve problems, and create a more seamless experience for users. You should have excellent communication, computer, and project management skills.
To succeed as an Android Developer, you should be focused on building a better, more efficient program and creating a better end-user experience. You should be knowledgeable, collaborative, and motivated.
Responsibilities
- Designing layout and developing applications for Android that are compatible with multiple screen resolutions and different versions of OS.
- Complete ownership of problem-free execution of owned modules and solutions.
- Focus on code optimization, code quality, maintainability etc.
- Debug and Optimise Android applications to work on multiple Android versions and devices.
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
Skills And Qualifications
- 2-4 years of experience in development of Android apps-Android Studio, kotlin, JAVA environment, GIT.
- Exposure to Product Development.
- Ability to understand business requirements and translate them into technical requirements.
- In depth Understanding of Android recommended design principles, interface guidelines and best practices for coding.
- Should have understanding of software development life-cycle.
- Experience with performance and memory tuning of complex Apps.
- Hands on experience in Multi-threaded programming, and good knowledge of networking concepts.
- Experience with AB testing, Analytics, offline syncing, GCMs, deep-linking, notifications etc.
Design patterns: MVVM
Platform: Android Kotlin
IOS: Swift
- Publishing application on App Store.
- Maintaining the code and atomization of the application.
- Extensive experience with iOS Frameworks such as Core Data and Core Animation.
- Proficient in Objective-C, Swift, and Cocoa Touch.
- Knowledge of iOS back-end services.
- Familiarity with push notifications, APIs and cloud messaging.
Mandatory: Hands on experience working with Swift 3 , Swift 4. Very strong logical skills. Good hold on operating system concepts and data structure. Experience with web services , core-data , camera kit , image caching concepts, keychain , past experience working with one of the design patterns like MVC / MVVM / Viper , network check.
Good to have: Rx-Swift experience , video / image filter experience , media player usage , complex UX effects , couch-db , RealM.Knowledge of GIT management , Continuous Integration and Continuous Development practices.
Soft Skills: Strong communication skills , high spirited , eager to learn , able to perform in a high pressure environment









