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.

Job Title: iOS Developer

Location: Noida Sector 63

Experience - 1+ Years

About the Role:

We are seeking a talented and motivated iOS Developer with 2+ years of experience to join our growing mobile development team. In this role, you will be responsible for designing, developing, and maintaining high-quality iOS applications that deliver an exceptional user experience.

Qualifications:

B.Tech in Information Technology or Computer Science, or

M.Tech in Information Technology or Computer Science, or

MCA (Master of Computer Applications).

Key Skills & Experience:

Proven experience in Swift and Java programming.

Strong hands-on knowledge of SwiftUI, UIKit, and Apple’s core frameworks.

Proficiency with Xcode IDE and iOS app architecture.

Experience integrating and working with Firebase services.

Good understanding and implementation of MapKit.

Strong background in integrating third-party dependencies, libraries, and SDKs

Solid problem-solving and debugging skills.

Familiarity with RESTful API integration and mobile app design best practices.

Experience with the entire App Store submission process is a plus.

Responsibilities:

Design and develop robust, scalable, and reusable iOS applications.

Collaborate closely with designers, product managers, and other developers to deliver high-quality features on schedule.

Write clean, maintainable, and efficient code following industry best practices.

Perform unit and UI testing to ensure application performance, quality, and responsiveness.

Identify and correct bottlenecks, fix bugs, and continuously discover, evaluate, and implement new technologies to maximize development efficiency.

Integrate and manage third-party libraries and dependencies as needed.

Ensure the performance, quality, and responsiveness of applications across various iOS devices.

Participate in code reviews and contribute to team knowledge sharing.

What We’re Looking For:

A proactive, self-motivated developer with strong analytical and problem-solving skills.

A team player with excellent communication and collaboration abilities.

A passion for staying up-to-date with new trends and advancements in iOS development.

A commitment to delivering high-quality, user-centric products.

Location      : Baner, Pune

Notice period : Immediate to 30 Days

• Proven software development experience
• Proven working experience in iOS development
• A deep familiarity with Objective-C and Swift
• Experience working with iOS frameworks such as Core Data, Core Animation, Core Graphics and Core Text
• Have published at least one app in the Store
• Experience working with remote data via REST and JSON
• Experience with third-party libraries and APIs
• Knowledge of JNI, security algorithms
• Experience with offline storage, threading, and performance tuning
• Ability to design applications around natural user interfaces
• Knowledge of the open-source iOS ecosystem and the libraries available for common tasks
• Proficient understanding of code versioning tools such as Git, SVN
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies.
• Solid understanding of the mobile development life cycle
• Good to have: Experience in working on cross platform UI framework such as React Native or Cordova.

• Should have programming experience on the iOS native platform.
• Adept in Swift language.
• Familiarity with RESTful APIs to connect iOS applications to back-end services.
• Strong coding, data structures and algorithms.
• Should have a working knowledge on various libraries available for iOS.
• Familiarity with XCode and other Developer tools.
• Deep understanding of software engineering practices, Object Oriented Analysis.
• Obsession with quality and customer experience.
• Understanding of design and architecture is an added advantage.

Company Introduction 
Crumb Software is a Design Studio seeking creative and skilled developers to join our fast-growing team. Our mission is to design and develop technology that improves its users' lives while providing an exceptionally high level of service to our clients.

We are looking for experienced developers who want to be part of a fast-paced, dynamic environment, where everyone's opinions and efforts are valued. We hire outstanding professionals and allow them to thrive in a collaborative atmosphere that values learning, growth, and hard work.

If you have the desire to be a part of an exciting, challenging, and rapidly-growing software development consultancy, and if you are passionate about software development and creating the finest apps in the market, please consider applying.

Job Description 
We are looking for React Native developers 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 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.

This is a contract-based position and we're looking for immediate joiners. 

Responsibilities

• Work as a part of a small team to build React Native iOS / Android applications
• Collaborate closely with designer(s) to build the envisioned user experience
• Architect, build, and maintain excellent React Native applications with clean code
• Implement clean, modern, smooth animations and transitions that provide an excellent user experience
• Build pixel-perfect, buttery smooth UI's across both mobile platforms that match designs
• Integrate with the backend and other third-party APIs
• Work with native modules if required
• Leverage native APIs for deep integrations with both platforms
• Diagnose and fix bugs, performance bottlenecks for performance that feels native

Requirements

• 3+ years of professional, non-internship experience working with React Native
• Firm grasp of the JavaScript language and its nuances, including ES6+ syntax
• An understanding of React Native best practices and a commitment to following them
• Knowledge of functional programming and React Hooks
• Ability to work through new and difficult React Native issues and contribute to libraries as needed
• Familiarity with native build tools, like XCode and Gradle
• Familiarity with Expo and related libraries
• Excellent verbal and written communication skills
• Experience and desire to work with a remote, distributed team

• Translate designs and wireframes into high quality code for TV, tablets and mobile
• Design, build, and maintain high performance, reusable, and reliable Kotlin code
• Ensure the best possible performance, quality, and responsiveness of the application
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality, organization, and automatization

Android Developer Requirements:

• Proven experience as an app developer (2 - 4 years).
• Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
• Familiarity with RESTful APIs to connect Android applications to back-end services
• Strong knowledge of Android UI design principles, patterns, and best practices
• Experience with offline storage, threading, and performance tuning
• Ability to design applications around natural user interfaces, such as “touch”
• Familiarity with the use of additional sensors, such as gyroscopes and accelerometers
• Knowledge of the open-source Android ecosystem and the libraries available for common tasks
• Ability to understand business requirements and translate them into technical requirements
• Familiarity with cloud message APIs and push notifications
• A knack for benchmarking and optimization
• Understanding of Google’s Android design principles and interface guidelines
• Proficient understanding of code versioning tools, such as Git
• Familiarity with continuous integration

Be part of Floatr's Founding Team Member. As a Tech Sr/Lead developer at this early stage you will get opportunity to work as well as shape up the product to a world class AI driven tech solution. Opportunity to learn, drive, mentor and be part of the success. An attractive stock options plan will ensure you are well rewarded for your contribution.

A strong candidate for this role will be responsible for all aspects of mobile and web development, and expected to work closely with the team to shape and evolve our core products. You will be encouraged to come up with innovative ideas to help build a robust solution.

Key Responsibilities

• Develop high-performance, scalable software for mobile and the server-side to deliver interfaces and APIs.
• Work with team to prioritise, scope, and deliver on key initiatives and features

Requirements

• 5+ years’ experience in Hybrid Mobile App development
• Expert in React Native & NodeJs development
• Web fundamentals like HTML, JavaScript, and CSS
• Skilled in Database technologies like MySQL, NoSQL and Postgres
• Excellent analytical and problem solving skills
• Willing to work from office in Bangalore (HSR Layout)