Software Engineer- iOS

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 Description

About:

Market network for digital creators. The platform provides a marketplace for YouTubers, twitch streamers, Instagrammers. It provides tools to creators to build their brand, business, and unlock new revenue streams while growing existing revenue streams.

Creators today find themselves at the mercy of social media platforms to get their content out in front of their fans. Its is a seed funded startup building a platform to encourage more creators to take full control of their growth, become self-sufficient, and not get exploited.Softwares have streamlined other industries to great benefit in the last 25 years. We think it’s inevitable that it will also happen in our ecosystem. In the last decade, we saw Shopify do that for e-commerce entrepreneurs and AngelList empower tech entrepreneurs. We want to do the same for media entrepreneurs. How do we plan on doing this? By helping creators globally to engage deeply with their fans and communities; monetize much earlier into their journeys of being successful independent businesses and empower them to effectively manage their business. The founding team of CreatorStack is a diverse mixture of seasoned technology entrepreneurs, musicians, content creators, and artists. We love solving problems. And we love solving them as a team. If you believe that chasing your creativity should be financially rewarding, then come join us.

Roles & Responsibilities:

• Work on a disruptive product that’s still in its early stages
• Be responsible for the development and maintenance of the CreatorStack mobile app aimed at iOS and Android
• Translate designs and wireframes into high-quality code
• Ensure the best possible performance, quality, and responsiveness of the CreatorStack app
• Mentor other engineers, define our technical culture and help to build a fast-growing team.

Must Have:

• Have experience in product development, architecture, and design for a 2 to 5 years
• Are proficient in Flutter language
• Have the ability to learn and look for ways to improve yourself and the processes around you
• Have strong knowledge of iOS and Android frameworks and the ability to deal with different screen sizes
• Are proficient with RESTful api's to connect mobile applications to back-end services
• Experience with storage, threading, and performance tuning
• The ability to mentor and support other team members by doing code reviews and applying your experience in process and technical leadership
• Experience working with agile team environments and if you are a self-starter, conscientious member of the team
• Good knowledge in pixel-perfect implementation of designs

Nice to have:

• If you have worked in a fast product-driven culture and have the ability to build an experience that solves users' problems - we like to work with team members who have a solid hold on product and design thinking
• If you have led teams in your past experiences
• If you also have experience in working with languages like React and Swift

Benefits :

• It is a market network platform for internet native digital content creators turns their passion into a profitable venture. Our products help them accelerate growth and increase direct monetization for creators around the globe

We are a health-tech company looking for smart iOS developer with atleast 2 years of experience. The roles and responsibilities will include –

Key Skills:
Core data – database; core animation; sql lite; swift 5.1; architecture - mvc/ mvvm

Technology

1. Primary Skills: Swift(4 and above)
2. iOS Tools: Xcode, source control(git, Bitbucket), JIRA 
3. Framework: Excellent with MapKit, Core location, Offline data storage (CoreData, Realm, SQLite ), Networking(Url Session, Almofire), Graphs, XCtest, UI, and Foundation frameworks
4. Good to have: Objective C, Any other cross-platform technologies

 
Responsibilities

1. Must have hands-on experience with maps and should understand the basics of GIS.
2. Should understand data visualization techniques on a map.
3. Understand requirements around functionality and translate those requirements into elegant functional solutions.
4. Working along with the other developers to create and maintain a robust framework to support the app's concept, design, build, deploy and test.
5. Excellent debugging and optimization skills.
6. Should understand app deployment process, preferred to have released applications on iTunes before.
7. Should understand iOS design patterns.
8. Should be familiar with the concepts of localization and multilingual support.
9. Keep up to date on the latest industry trends in mobile technologies.
10. Good communication skills to explain technologies and solutions to technical and non-technical stakeholders.

Desired Candidate Profile

• HTTP APIs 
• SQLite
• Firebase
• Git

• AWS
• MQTT
• IoT
• AWS Cognito 
• Knowledge about Hardware IoT, ESP32, ESP8266, NodeMCU etc.

1. Minimum 4+ years of mobile application development experience in native and excellent coding skills in Swift, RxSwift, RxCocoa, Objective-C
2. Any experience on MVVM, VIPER
3. Should have deep knowledge of the iOS SDK and IDE development tools.
4. Experience developing client-server applications using technologies and web services APIs such as JSON, REST.
5. Has hands-on experience with unit testing.
6. Extensive experience in using various architecture, frameworks, and design patterns in designing/refactoring a highly optimized mobile is a must.
7. Solid understanding of the agile development process and experience.
8. Experience working in TDD (Test Driven Development) and CI/CD (Continuous Integration/Deployment) environment is a plus.
9. Implement clean and manageable code incorporating best practices on security
10. Collaborate with cross-functional teams from both offshore and onsite to define, design, and ship new features.
11. Unit-test code for robustness, including edge cases, usability, and general reliability.
12. Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
13. Review code, bug triage and execute multiple releases as per business demand
14. Involvement with API team to design request / response contract
15. MVVM & VIPER is a must
16. Background fetch
17. Swift latest or minimum version 4 and Swift basics