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.

Flutter JD:

Key Responsibilities:

Collaborate with project managers and designers to understand project requirements and translate them into technical specifications.

Develop, test, and maintain Flutter-based mobile applications that are responsive, performant, and reliable.

Write clean, maintainable, and well-documented code.

Troubleshoot and debug application issues, ensuring smooth and efficient performance.

Continuously research and stay up-to-date with the latest trends and best practices in mobile application development.

Collaborate with cross-functional teams to define and implement new features and improvements.

Participate in code reviews and provide constructive feedback to peers.

Ensure the security and data privacy of the applications you develop.

Requirements:

Proven experience as a mobile app developer, with a strong portfolio of Flutter-based applications.

Proficiency in the Dart programming language.

Experience with the Flutter framework and its ecosystem, including state management and third-party libraries.

Knowledge of mobile app architecture patterns (e.g., MVC, MVVM, Redux).

Familiarity with RESTful APIs and integration of third-party services.

Strong problem-solving and debugging skills.

Excellent communication and collaboration skills.

Ability to work both independently and as part of a team.

Knowledge of version control systems (e.g., Git) is a plus.

Hello 

Desired Candidate Profile

• Should have 5+ years of professional work experience designing outstanding Mobile App on iOS Platform
• Have worked on an outstanding iOS App before
• Proficient understanding of iOS Concepts
• Proficiency in Objective-C and/or Swift
• Excellent problem-solving skills
• Excellent interpersonal skills and the ability to build good working relationships.
• Must be self-motivated to prioritize and manage workload and meet critical project milestones and deadlines.
• Able to effectively collaborate with a team as well as take initiative and work independently to solve problems
• Should have min 65% in B.E./ B.Tech/ M.Tech

• Full-stack developer with extensive knowledge of software development and agile methodologies, building native applications using JavaScript, and a portfolio of apps already published in-app store or self-hosted.
• Minimum 2-3 years experience working on Flutter projects/products.
• Good to have Healthcare domain experience.
• Ability to clearly understand requirements and translate them to software.
• Review business requirements, identify gaps, and assist in authoring functional design documents.
• Analytical mind with problem-solving aptitude.
• Proactive and self-starter requiring minimal supervision, who can collaborate with multiple stakeholders in the company.
• Good to have or awareness of Artificial Intelligence and Machine Learning algorithms and Python framework.
• Proficiency in relational databases like SQL Server and Oracle.
• Knowledge of cloud technologies (AWS, Azure, Google cloud), container, and virtualization will be a big plus.
• Familiarity with Continuous integration (Jenkins/Hudson), automated testing, and version control (GitHub, SVN).
• Knowledge of 3 rd party libraries and APIs, modern frameworks and design patterns, and test automation tools for Unit and Performance testing.
• Awareness of secure coding practices and standards. Page 2 of 3 Above all, you should love to build and ship products that real people use every day!

Roles and responsibilities:

• An ideal candidate will exhibit the following traits:
• Adapt and work on distributed technology stacks.
• Work with BAs to define or elaborate business software requirements.
• Design and build responsive and usable interface (UI/UX) for mobile applications through appealing, visual design.
• Take ownership of product features and work closely with stakeholders to ideate and rapidly release minimum viable product or mobile app solutions across healthcare products.
• Extensive experience with SDLC phases including Agile methodologies.
• Assist in designing client-side and server-side architecture.
• Perform code reviews, validation, and verification testing.
• Knows the use of version control software (GIT).
• Document technical design and unit test plans.
• Must have experience in working with multiple & small teams.
• Evaluate security and regulatory requirements.
• Proactively communicate in providing status reports and report blockers.
• Debug code, solve incidents and defects.
• Develop well-managed, high-quality, scalable, and reusable code.
• Should have excellent English (both verbal and written) skills.
• Should have excellent interaction and client communication skills.
• Solve technical challenges and take pride in their solutions and code.

Advantageous

• Java/Swift experience
• Understanding of Android Keyboard API
• Experience with optimizing applications for better performance and response

• A minimum of 3yrs of coding as an iOS Developer.
• In-depth experience with Swift and Xcode.
• Up to date with the latest Cocoa and iOS trends.
• Understanding of UI Kit, Core Animation, Interactions, GCD & Networking.
• Excellent understanding of design patterns & Object Oriented Programming.
• Understanding of analytics, remote reporting and measurements.
• Experience of working with Continuous Integration (CI) and Unit Testing on iOS.
• Experience with API’s and core data.
• Excellent debugging skills.
• Experience working with Git.
• Knowledge of socket based networking desirable.
• Understanding of the iOS ecosystem (APNs, Code signing, iTunes Connect, TestFlight).

What you’ll do:

• Will have a unique and rewarding opportunity to shape and design an app with a huge impact on the Automotive industry
• Write highly scalable software in Swift ad Kotlin with a focus on reusability and efficiency
• Work with some of the best people in the industry to build and maintain compelling user experiences
• Working with iOS Frameworks such as AVFoundation/video streaming, CoreML
• Work with open-source multimedia projects, such as FFmpeg

What you’ll bring:

• 5+ years of iOS/Android development.
• Strong background in software engineering with large-scale apps
• Experience with iOS/Android SDKs
• Expert knowledge of XCode/AppCode IDE, build and distribution processes
• Experience writing multi-threaded/asynchronous code
• Creative and innovative problem-solving skills with a passion for new technologies
• Strong team player and ability to work without many directions when needed

Bonus points for:

• B.Sc./M.Sc. in Computer Science or related fields
• Knowledge of C/C++
• Background/experience in AI (e.g. deep learning, computer vision)
• Contributions to community software

Note: We are looking for immediate joiners. Selected/Offered candidates can ready to join within 15 to 30 days of time can apply.