IOS Developer

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.

• Experience 4 to 10 years
• Location - Hyderabad (work from Office)
• NP- Immediate to 30 days
• Need experience in Swift / OOP's concept, API & SDKs, Mapkit, Firebase, and Payment Gateways.

Responsibilities: -

• Design and build applications for the iOS platform (Prefer Swift Language)
• Ensure the performance, quality, and responsiveness of applications
• Collaborate with a team to define, design, and ship new features
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality and organization.
• Should have basic knowledge of the application submission process

Skills

• Proficient with Swift, and Cocoa Touch
• Experience with iOS frameworks.
• Experience with offline storage, threading, and performance tuning
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Knowledge of UI/UX standards.
• Understanding of Apple’s design principles and interface guidelines
• Familiarity with cloud message APIs and push notifications
• A knack for benchmarking and optimization
• Proficient understanding of code versioning tools such as Git

Job Description:

• Strong working experience in IOS application development is a must. First-hand experience of native mobile apps using Swift must.
• Experience with Swift, RxSwift, 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'sand 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.
• Leveraging community libraries to efficiently complete development tasks.
• Debugging apps using simulators and related tooling.
• Persisting data for offline-first apps using databases such as Realm.
• Localizing apps to support multiple languages and regions, vernacular libraries and fonts.
• Familiar with Version control system such as GIT.

• Design and build advanced applications for the Android 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

• BS/MS degree in Computer Science, Engineering or a related subject
• 3 years Proven software development experience and Android skills development
• Proven working experience in Android app development and
• Have published at least one original Android app
• Experience with Android 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
• Solid understanding of the full mobile development life cycle.

Roles and Responsibilities for Android Developer(2-4yrs)

• Creating Android Apps using native technologies set Java, Kotlin, Android studio.
• Developing, releasing, and maintaining Android Applications and also coordinate and participate in the backend coding, API development, and testing.
• Ability to participate in the design process also, be able to understand user experience and work with design team accordingly.
• Good understanding of the latest Android features and libraries such as Retrofit, Volley, SQLite, RxJava.
• Good understanding of designing architecture such as MVC, MVP, MVVM.
• Familiarity with RESTful APIs, SDK integration, Firebase, and Analytics platforms.
• Good Knowledge in OO design, JAVA, Kotlin, RESTful APIs, JSON, Android SDK, Eclipse and Android Studio and also AWS.
• Knowledge of SQLite, Graph & Chart API and other Google APIs and UI & UX designing.
• Optimizing performance for the apps and keep up to date on the latest industry trends in the mobile technologies.
• Good grasp of algorithms, design patterns, memory management, and multithreaded programming.
• An experience with other technologies like iOS development, swift, react native, php, APi development, DB programming can be a big plus.
• Experience in dealing with Google play store communication, app rejection, iTunes Apple store.

Desired Candidate Profile

• Must have at least 3 years of experience in native android development.
• Must be graduate with computer science subjects or MCA.
• Must be good in both written and verbal English.
• Must have research skills, ability to troubleshoot and work on exceptions is top priority.

Hood is a new-age anonymous social network.

Hood has recently raised $3.2Mn seed funding and is backed by top VCs, 16+ unicorn founders including Vijay Shekhar Sharma - PayTM CEO, Ritesh Agarwal- OYO CEO, Kunal Shah - Cred CEO and outstanding management team.

WE EXPECT YOU TO WIN:Everyone at chargeMOD is given the tools and resources they need to succeed at their job. We offer a flexible and positive work environment so you have the autonomy to build amazing software for our customers and add to our team of industry leading visionaries. You will build a compelling and easy to use interface, ensure its maintainability and ease of use, and suggest ways to improve the look and feel of the application. We are lean, which means we reflect on what we learn and use that new knowledge to quickly make better products. Your job is to keep learning, contribute your knowledge back to the rest of the team, and apply what you learn to make chargeMOD and our clients even greater.

YOUR OPPORTUNITY:

chargeMOD’s engineering team is looking for an Android Developer to join our growing team. You are highly motivated, collaborative, and technical, with the passion to help shape the delivery of software products for our customers. You are passionate about web development and interested in helping to shape the future of our web services team.You are always seeking new and diverse challenges to grow your skill set and broaden your experience.

WHAT YOU WILL DO:

• You will join development on a mobile SDK, in use by tens of thousands of users around Pan India.
• You will join the weekly team meetings with the client and communicate progress to the client, as well as work closely with our development team in Slack/Gmeet.
• You will be responsible for development, do a portion of the testing, and be responsible for the release of the application

RESPONSIBILITIES: As a developer, you are responsible for delivering valuable software to your clients while adhering to technical standards, company values, and industry best practices. Your success in this position will require you to set and meet appropriate expectations with customers and delight customers by anticipating their needs. You will be accountable for meeting commitments and producing quality, tested software. High output, driven developer, able to work in a team setting.
Here are some tools we use in our Android development process:

• Slack
• Atlassian Tools (Jira, Confluence, etc)
• Android Studio
• Jenkins
• Github

YOUR QUALIFICATIONS:

• You have ability to write and test SDKs for use by other developers
• Here are some of the skills we expect you to possess:
  • Java and Kotlin
  • Client and team communication
  • Material design
  • Action bar/toolbar
  • Support libraries/Android X/Jetpack
  • Understanding of the activity and fragment lifecycle
  • Efficient layout design
  • Resource/asset management
  • Multi-threading, background processing
  • Networking
  • Functional / UI Testing (Espresso)

WE CONSIDER IT A PLUS IF YOU HAVE EXPERIENCE WITH:

• Significant UI experience (one of the primary SDKs is UI-related – so although you will not be developing a user interface for the application, knowledge on UI is important)
• Significant push notification experience (one of the primary SDKs is push-notification related)