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.

Introduction :

iOS is one of the world’s leading mobile platforms, which makes Aertrip’s iOS app supremely important. Millions of users worldwide shall access Aertrip via the iOS app. You will have the opportunity to build one of the most amazingly designed apps in the world. The app shall be a benchmark - not just in the field of travel but for app developers worldwide across categories. So far, we've built a reasonably-sized, high-powered team and are always striving to be the best place to work we can be.

Our Tech Deck :

Architecture

Linux

Docker

HAProxy

Nagios

Munin

Backend & Servers

PHP

MySql

MongoDB

Redis

Memcached

Frontend

JavaScript

jQuery

Sass/Less

GruntJs

Bower

NPM

Repositories

Git

Collaboration

Slack

Evernote

Google Drive

Your Part :

You would be responsible for the complete development and continuous improvement of our iOS app.

Preferred Qualification & Experience :

Bachelor's Degree in Computer Science or equivalent experience/knowledge

5+ years of software engineering

3+ years of IOS platform experience, with strong background in algorithms.

Proficient with Swift, Objective-C, and Cocoa Touch

Experience with iOS frameworks such as X Code, Core Data, Core Animation, etc.

Familiarity with RESTful APIs to connect iOS applications to back-end services

Understanding of Apple’s design principles and interface guidelines

Knowledge of third party SDK integrations.

Hands-on technical experience with scalable Architecture.

Unit-test code for robustness, including edge cases, usability, and general reliability

Experience with performance and memory tuning

Familiarity with cloud message APIs and push notifications

Knowledge of other web technologies and UI/UX standards

Proficient understanding of code versioning tools such as Git

Preferred Skills & Abilities :

As a Developer:

Write clean, manageable code and maintain proper documentation

Capable of designing large applications with stabllity and performance

Continuously discover, evaluate, and implement new technologies and frameworks to maximise development efficiency

Excellent command over Data Structures and Algorithms

Familiarity with continuous integration

Strong problem solving and analytical skills

Knack for benchmarking and optimization

Passion for quality and innovation

An eye for detail

As a team player

Collaborate with cross-functional teams to define, design, and ship new features

Ability to manage and drive small teams

Ability to work independently in small teams

Estimate timelines and deliver as per schedule

Responsible and capable of meeting tight deadlines

Thrive in a variable and demanding startup environment

Collaborate with multiple disciplines like product, engineering, marketing, research and support, and enjoy working in a collaborative environment

Understand technical and business needs and fulfil them

JOB DESCRIPTION:

Design and build application for iOS platforms

Writing well designed, testable, efficient code by using the best software development practices

Responsible for working on iOS frameworks, Xcode, Swift, Rxswift, Xcode SDK Platform tools

Responsible to work on bug fixing and improving application performance

Create and maintain software documentation

Stay plugged into emerging technologies/industry trends and apply them into operations and activities

About Upaz:

UPAZ is a Farmer First approach agri-fintech team working on a panchayat-level Community Commerce & Financing model enabling B2C delivery of financial and agriculture-related services and products to smallholder farmers right at their doorstep.

Upaz is part of the financial inclusion lab at IIM Ahmedabad and the winner of the Social Alpha Agritech Challenge. Upaz is funded by July Ventures, IIM Ahmedabad, Mr. Kapil Mehan (ex MD of Tata Chemicals, ex CEO of Coromandel International Limited, ex Group CEO Zuari Agrochemicals), Mr. Devrajan Nathan (Founder of Arya.ag) others

We firmly believe that serving smallholder farmers in India presents one of the greatest opportunities for scale and impact in both agricultural and financial inclusion today.

For future information please visit: Grey Matter Technologies Pvt Ltd. | Agro Fintech | India

We are seeking a skilled Mobile Application Developer with knowledge of Agile and Waterfall methodologies for software development to join our dynamic team. As a Mobile Application Developer, you will be responsible for developing innovative Android and iOS applications, utilizing your expertise in various technologies and tools.

Responsibilities:

• Design, develop, and maintain high-quality Android applications that our requirements and specifications.
• Apply Agile and Waterfall methodologies as appropriate to ensure effective project management and timely delivery of high-quality software solutions.
• Utilize knowledge in SQLite to design and implement efficient and reliable database management systems for Android applications.
• Use Git to manage version control and collaborate effectively with other developers working on the project.
• Employ Dart and Getx to write clean, modular, and efficient code that follows industry best practices and coding standards.
• Continuously improve the development process by actively seeking feedback, participating in brainstorming sessions, and implementing innovative solutions to enhance productivity and efficiency.
• Collaborate with UI/UX designers to create visually appealing and user-friendly interfaces, ensuring a seamless user experience across different devices and screen sizes.
• Demonstrate a good understanding of Android Studio, Xcode, and Visual Studio, including their features, tools, and capabilities, to efficiently develop and debug applications.

Requirements:

•  Bachelor's degree in Computer Science, Software Engineering, or a related field 
•  Proven experience of 2 to 4 years developing Android applications.
•  Proficiency in Dart programming language and familiarity with the Getx framework.
•  Strong knowledge of Agile and Waterfall methodologies.
•  Experience with SQLite database management.
•  Proficiency in Git version control system.
•  Familiarity with design principles and user experience (UX) concepts.
• Understanding of Android Studio, Xcode, or Visual Studio.
• Excellent problem-solving and analytical skills.
• Strong communication and collaboration skills.
• Visual Studio, and ability to work with their respective tools and features.

Compensation:

• Based on experience and skills we will offer the best salary.

Why Work with us - 

• Upaz is a fast-growing agri-fintech start-up with a unique farmer financing model. 
• It has very high acceptability among its farmers, clients, and other stakeholders. 
• A chance to be part of an ever-growing team and to understand and be part of the organisation building core team

Is your next career move to lead a team of iOS developers and spearhead the development of cutting-edge iOS applications to enhance user experience and advance DAZN's OTT platform?

DAZN is a tech-first sport streaming platform that reaches millions of users every week. We are challenging a traditional industry and giving power back to the fans. Our new Hyderabad tech hub will be the engine that drives us forward to the future. We’re pushing boundaries and doing things no-one has done before. Here, you have the opportunity to make your mark and the power to make change happen - to make a difference for our customers. When you join DAZN you will work on projects that impact millions of lives thanks to your critical contributions to our global products

This is the perfect place to work if you are passionate about technology and want an opportunity to use your creativity to help grow and scale a global range of IT systems, Infrastructure and IT Services. Our cutting-edge technology allows us to stream sports content to millions of concurrent viewers globally across multiple platforms and devices. DAZN’s Cloud based architecture unifies a range of technologies in order to deliver a seamless user experience and support a global user base and company infrastructure.

This role will be based in our brand-new Hyderabad office. Join us in India’s beautiful “City of Pearls” and bring your ambition to life.

Lead IOS Developer

Responsibilities

• Work in a fun and fast-paced environment.
• 2-3 years’ experience in leading development teams
• Participate in requirements gathering, design, development, QA, support.
• Communicate with different stakeholders such as QA, Project Managers and Product Owners
• Discover, evaluate, and implement new technologies to maximize development efficiency.
• Groom, mentor and upskill team members with modern technologies and development practices
• 
  

Key Competencies:

• 6-8 years of experience in IOS Development using Objective-C/Swift
• Strong knowledge of IOS frameworks such as Core Data, Core Animation etc.
• Strong command over Apple’s design principles, Interface guidelines, platform's advantages & limitations.
• Strong knowledge of design patterns
• Experience with consuming RESTful web services
• Experience with offline storage, threading, and performance tuning
• Experience with the latest development paradigms like functional and reactive programming

Good to have skills:

• Knowledge of cloud-based services like AWS and GCP.
• Working knowledge of Video streaming and playback
• Knowledge of modern programming paradigms like functional and reactive programming.

At DAZN, we bring ambition to life. We are innovators, game-changers and pioneers. So if you want to push boundaries and make an impact, DAZN is the place to be.

We are looking for an iOS developer who possesses a passion for pushing mobile technologies to the limits and will work with our team of talented engineers to design and build the next generation of our mobile applications.

Requirements

-BS/MS degree in Computer Science, Engineering or a related subject

-1 to 4 years of work experience

-Proven working experience in software development

-Working experience in iOS development

-Have published one or more iOS apps in the app store

-A deep familiarity with Objective-C and Cocoa Touch

-Experience working with iOS frameworks such as Core Data, Core Animation, Core Graphics and Core Text

-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

Responsibilities

-Design and build advanced applications for the iOS platform

-Collaborate with cross-functional teams to define, design, and ship new features.

-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.

Requirements:

• Engineers with 1-6 years of experience in shipping consumer-facing Android apps with the large user base, ideally currently available on the Google Play Store

• Top-notch programming skills in Java, Kotlin and Android along with MVVM, Dagger2, Room, LiveData, Coroutine & JetPack-Components

• Command of memory management, view hierarchy, battery optimisation and in-depth experience with multi threaded and networked applications

• Worked with Restful APIs, third-party SDK Integrations and common technologies like HTTPS, JSON, OAuth, and SQL

• Thorough working knowledge of Android Studio with the Gradle build system
• Understanding the quirks of the fragmented ecosystem of Android OS versions and devices
• Focus on Material Design principles and pixel-perfect implementation of the design into code
• Solid experience with Git Care for quality with an obsession for performance and willingness to spend time testing the team's work as well as yours