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.

Requirements:

• Design and develop scalable IONIC applications using open source technologies.
• Develop a hybrid application with IONIC, cordova.
• Experience in HTML5 CSS, JQuery and Javascript.
• Experience in hosting application on Appstore.
• Work as part of an agile team on leading edge technologies.
• PHP & Apache stack with JavaScript, JQuery.
• Responsive Web design with HTML5 CSS3 Bootstrap.
• Social media APIs and third party widgets integration.
• Web services Integration - JavaScript and XML (Ajax), Representational state transfer (REST), Javascript Object Notation (JSON).
• End to End Role - Analyze Design, Develop, Deploy, Monitor, Enhance
• Experience on database systems.

Job Description

We are looking for anmobile iOS developer. The ideal candidate needs to be able to hit the ground running in our fast-paced environment, and be comfortable to iterate quickly and push new code every day.

Responsibilities

• Design, develop, test, deploy, maintain and improve software and processes
• Integration with a number of third-party services
• Write high quality, high-performing and well-tested code
• Turn design requirements and prototypes into a working app
• Work closely with the technology and design teams
• Excellent communication, collaboration, and documentation

• Highly motivated, adaptable and passionate learner with a strong work ethic ethic

Requirements

• Proficiency with Objective-C and Swift

• Deep knowledge of the iOS SDK, OO, data modelling, design patterns, TDD/BDD, JSON/RESTful APIs, clean code and UX

• Analysis, profiling and optimization techniques
• Agile methodology

Rejolut is one of the award winning fastest growing emerging tech company which is working on leading technology like Blockchian, ML & AI, Complex mobile & web apps, IoT etc.

The ideal candidate will be responsible for developing highly scalable and secure code.

Responsibilities:-
-Able to take the Extreme Ownership of modules/product/projects
-Able to learn & implement new technology/framework/library at God Speed
-Able to come with optimal solution for the business problem
-Can handle calls with the client & customer to know their feedback
-Writing clean code & able to dig into other's code or open source code
-Build pixel-perfect, buttery smooth UIs across both mobile platforms.

-Leverage native APIs for deep integrations with both platforms.

-Diagnose and fix bugs and performance bottlenecks for performance that feels native.
-Maintain code and write automated tests to ensure the product is of the highest quality.
-Transition existing native apps to Flutter

Desired Candidate Profile:-

-Strong knowledge & experience in Dart is mandatory.
-Strong attention to detail in UX & interactions.
-Strong experience with Flex CSS styling.
-Strong experience in SQLfLite & Firebase messaging is required.
-Experience in releasing Android and iOS App store

Culture

- Fast-paced, intellectually stimulating, steep learning, and growth

- Close-knit, hardworking, supportive colleagues

- Challenging work

- Flat organization with no hierarchy

- If you like problem solving, and love latest technology, there are very few better places

How we are different 
 -We are young and dynamic team who are obsessed with solving business problem at scale -We are a technology agnostic company who focus more on finding the optimal solution to business problem rather than technology

 Why to join us
 -We provide huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career
-We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
-There are two technology Co-founder in the company ho are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of time and are in leadership position in copanies like Samsung, Purplle, Loylty Rewardz
-Get mentored by the best in the industry
-Flexible working hours
-Perks best in the industry

Qualification Required:

• Minimum 2 year of work experience
• Graduate or Diploma in related field
• Relevant experience candidates will be highly preferred

Skills Required:

• Objective c and Swift language Mandatory
• Strong knowledge of Fundamental, Design Pattern,
• iOS framework - Core Data, Core Animation,
• Offline Storage, Threading
• Knowledge of UI / UX Standards, Apple Design Principles and Interface Guidelines
• Understanding of code versioning tool Git
• JSON, Xml Reading, Rest API calling, Push Notification, cocoa pods, cocoa-touch

What to Expect:

• Flexible Approach when working in a team
• Time management skills and ability to do multitasking
• Accuracy and attention to details
• Candidates with self-motivation & Dedicated towards work
• Should be able to handle iOS Development projects from the first day

Benefits:

• Enjoying and friendly work environment
• 21 paid leaves in a year
• Good career growth opportunities and can a long-term association with the organization
• Fixed yearly appraisals based on performance
• No Formal dress code policy (Decent Casuals is ok with us)
• Company follows Flexi hours Policy

We are looking for skilled iOS developers who are passionate about solving digital payment problems for over a billion Indians.

Requirements:

• At least 4 years of experience in developing, releasing, and maintaining iOS mobile applications.
• Ability to write efficient, reusable, and maintainable code in Swift.
• Excellent expertise in iOS SDK frameworks and fundamentals.
• Amazing debugging skills with the ability to write unit test cases Strong computer science fundamentals.
• Startup friendly i.e self-starter, quick learner, hard-working, and passionate.

About the role: One key differentiator of FabHotels brand for our asset partners is bestin-class returns. While our online & offline demand teams drive higher occupancies for our partners, this role entails ownership of developing and work on react native side of application development.

Key responsibilities:

• Knows how to embed React-Native in a native (iOS/Android) component and vice versa.
• Firm grasp on JS/CSS fundamentals
• Build pixel-perfect, battery smooth UIs ((layouts, animations, etc.))across both mobile platforms
• Good understanding of Design and Architecture Patterns
• Strong focus on app performance
• Familiarity with native build tools, like XCode, Grade (Android Studio, IntelliJ)
• Good in debugging
• Experience in iOS app development is preferable.

Individuals who would connect best with the job requirements are those who:

• Are excited to be part of a young, dynamic team that is building a disruptive, sustainable business
• Are willing to go the extra 100 miles it takes to win in a super competitive market
• Are innovative, resourceful and comfortable with dynamic business requirements
• Fulfil below minimum criteria:

- 1+ years experience in React-Native based app development  

- 1-2 years experience in Mobile app development(React-Native + iOS).         

- Hands on experience in Redux