iOS Developer

Job description

Job Title: Application Developer

Location: Gurugram Haryana India

Employment Type: Full-time (Immediate joiner preferred )

Experience : 2-5 years (In Android and iOS both)

About Aaizel Tech:

Aaizel Tech is a fast-growing technology company focused on building scalable web and mobile applications. We specialize in cross-platform development using React Native, delivering seamless user experiences across Android, iOS, and web.

Driven by innovation and efficiency, we create high-performance digital solutions that solve real-world problems. At Aaizel Tech, we foster a culture of ownership, creativity, and continuous learning, empowering developers to build impactful products.

Role Overview:

We are looking for an experienced App Developer with strong expertise in developing, deploying, and maintaining scalable applications. The candidate should have a proven track record in app development across platforms, hands-on technical proficiency, and the ability to lead and mentor development teams.

Key Responsibilities:

• Lead mobile application development (Android, iOS, and cross-platform).
• Architect, design, and deliver scalable and secure app solutions.
• Collaborate with product, design, and backend teams to deliver seamless apps.
• Write clean, efficient, and reusable code while ensuring code reviews and best practices.
• Integrate third-party APIs, payment gateways and authentication services.
• Manage deployments and app store releases.
• Mentor junior developers and conduct technical training sessions.
• Stay current with latest frameworks, tools, and certifications relevant to app development.

Required Skills, Qualifications and Experience:

● Educational Background: Bachelor’s/Master’s degree in Computer Science, Engineering, or related field.

● Experience: 2-5 years of hands-on mobile application development experience.

● Technical Skills:

• React Native, Native IOS & Andriod, React.js, AngularJS, Cordova, ExpressJS, ExtJS, Ionic, Java/J2EE, JMeter, JavaScript/jQuery, MongoDB/NoSQL DB, MySQL, PHP, PHP Yii, PL/SQL, React, Python, Dell Boomi, VB.NET.

Expertise in platforms/databases:

MySQL, MongoDB, Microsoft SQL, PostgreSQL, Redis, Docker.

Relevant Functional/Domain Expertise:

• API Integration & Authentication.
• Localisation of applications.
• Payment Gateway & SMS Gateway Integration.
• Digital Signature Integration, E-Sign, DigiLocker.
• Offline service capabilities, Single Sign-On (SSO).
• Interoperability and E-Commerce systems.

● Soft Skills:

○ Excellent problem-solving and analytical skills.

○ Strong communication skills with the ability to document and present technical information clearly.

○ Ability to work independently and as part of a multidisciplinary team.

What We Offer:

● Competitive salary aligned with industry standards.

● A collaborative and innovative work environment with access to advanced resources.

● Opportunities for professional growth and skill development.

● Engaging projects that challenge your technical expertise.

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.

As a Mobile Software Developer your primary objective will be to design and build mobile applications for iOS platforms while actively participating in application design discussions and decisions. You will be an integral part of the development and maintenance of numerous cutting edge mobile applications. You'll utilize your expertise and your familiarity with iOS and XCode. Additionally, experience with Agile or XP methodologies or related iterative development processes will be necessary to hit the ground running and make an immediate impact. You will also utilize your knowledge of Software Development Lifecycle Tools - source control (Git, SourceTree, SVN), issue tracking, and web service integration (REST, JSON and HTTP).

Our organization moves at light speed, so the ability to work with minimal supervision while delivering excellent results will be a priority. Strong communication and information gathering skills are required to capture and interpret business and functional requirements, fill in the gaps intelligently, interpolate designs and functionality as necessary, and identify opportunities for process improvements/efficiencies. This is your opportunity to work with our talented team to design and build the next generation of our mobile applications and server backend.

RESPONSIBILITIES

• Design and build advanced applications for iOS platforms communicating with our servers
• 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 and maintenance
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency

What does the core role include?

• Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
• Designing stateless components in React Native
• Contributing in all phases of the development lifecycle
• Working with the developers to create and maintain a robust framework to support the apps
• Working with the developers to build the interface with a focus on usability features
• 
  

What else can you expect in the role?

• Prepare and produce releases of software components
• Optimizing performance for the apps
• Problem-solving skills, analytical mind, and positive attitude
• Ability to think from end users perspective and focused on improving the overall product experience.
• Deliver across the entire app life cycle concept, design, build, deploy, test, release to app stores and support
• 
  

What can fetch you brownie points?

• Hands on experience with React Native is required
• Hands-on experience in React Native APIs, ReactJS, Javascript, ECMAScript (OOJS) and JSX.
• Strong understanding of JavaScript ecosystem
• Hands on experience on Android in creating Hybrid / Native applications
• Demonstrable UI/UX experience on a large-scale app.
• Thorough understanding of React Native development tools like IDEs (Nuclide, Atom, Sublime Text, or Visual
• Good knowledge of JS frameworks like ReactJS is a plus.

Desired Skills and Experience

Hybrid Apps,React Native, Native iOS and Android Architecture understanding

We are looking for an Android developer interested in building performant mobile apps on Android platforms. You will be responsible for architecting and building the applications, as well as coordinating with the teams responsible for other layers of the product infrastructure.

Requirements

• Build pixel-perfect, buttery smooth UIs Android platform.
• Leverage native APIs for deep integrations with Android platform.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open source community to encourage and help implement mission-critical software fixes.
• Maintain code and write automated tests to ensure the product is of the highest quality.

Skills

• Firm grasp of the Kotlin language and its nuances.
• Knowledge of functional or object-oriented programming Ability to write well-documented and clean code.
• Rock solid at working with third-party dependencies and debugging dependency conflicts
• Familiarity with native build tools, like Gradle , Android Studio, IntelliJ and Play console. Understanding of REST APIs, the document request model, and offline storage

Interpersonal Skills

• Self-motivated, team player, action--and-results oriented.
• Well organized, good communication and reporting skills.
• Ability to successfully work under tight project deadlines.

          Experience in Kotlin is mandatory .

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

• Developing new features and user interfaces from wireframe models
• Ensuring the best performance and user experience of the application
• Fixing bugs and performance problems
• Writing clean, readable, and testable code
• Cooperating with back-end developers, designers, and the rest of the team to deliver well-architected and high-quality solutions
• (Add any other relevant responsibilities here)

• Who thinks they are best on IOS Platform
• Who think they work independently with less supervision.
• Objective-C and Swift in-depth Knowledge
• Architecture Knowledge is Plus (VIPER Architecture)added Advantage
• Must have at least 3 good quality iOS apps in the portfolio to showcase
• Knowledge of Android Development will be a plus