iOS Developer

Strong early-career iOS Developer Profile with hands-on Swift and UIKit experience

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Mandatory (Experience 1) – Must have 0–2 years of experience building iOS apps, with at least 6 months of hands-on experience (internship experience counts for freshers).

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Mandatory (Experience 2) – Must have built two or more apps; anything live on the App Store is a strong plus.

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Mandatory (skill 1) – Must have a solid grip on Swift and UIKit.

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Mandatory (skill 2) – Must be familiar with iOS fundamentals — Core Data, URLSession / networking, JSON parsing, multithreading (GCD), and Auto Layout.

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Mandatory (skill 3) – Must be comfortable with an app architecture pattern (MVC / MVVM) and Git.

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Mandatory (Company Background) – Must come from a strong B2C product company.

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Mandatory (Education) – Must have a B.Tech from a Tier-1 college — IITs, NITs, BITS Pilani, IIITs, DTU and NSUT

About Flutter Developer: 

We are looking for a Flutter and NodeJS developer with experience in building and publishing apps for iOS 

and Android. 

Your primary focus will be the development of mobile applications and the development / integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design and the creation of quality products is essential. 

We are a fluid organization, and there will sometimes be expectations of tasks beyond the stated job description. For instances, you may be asked to assist with testing other functionalities, or to assist with a production support incident. Changing customer priorities will also mean switching out of an unfinished task to focus on a higher- priority task. 

Roles & Responsibilities: 

* Designing and building mobile applications using Flutter frameworks. 

* Working closely with other technical specialists for the technical architecture of features.

* Collaborating with and guiding other team members to define app features and dependencies. 

* Ensuring the quality and performance of the application to specifications.

* Identifying potential problems and resolving application performance bottlenecks.

 * Publishing application on Apple App Store and Google Play Store. 

* Designing and implementing application updates.

Prerequisites: 

* Experience in development of Android/iOS applications and have deployed them on Google Play/AppStore. 

* In depth understanding of Object-oriented programming languages like Java and C++. * Experience in the Flutter framework. 

* Experience in Dart programming, developing and integration of Rest APIs, GetX state management, Firebase Cloud Messaging API, working with Map APIs, Caching Data using Hive and integration of payment gateways. 

* Comfortable using test cases for debugging code, enhancing performance and reliability.

* Experience in developing Rest APIs using NodeJS and MongoDB. 

* Familiarity using version control tools like Git and IDEs like Android Studio, VS Code etc.

About UpSolve:

UpSolve is a cutting-edge AI company specializing in providing sophisticated solutions for business decision-making. Our AI solutions cover a wide spectrum, including Video, Image, and Text analysis, empowering businesses to make quicker and more precise choices.

Role Description:

We are seeking highly motivated Hybrid App Developers to join our dynamic team in Mumbai. As an App Developer, you will play a crucial role in developing top-notch applications for both iOS and Android platforms. Your expertise will be essential in delivering high-quality, user-friendly applications that align with our company's mission and vision.

Key Responsibilities:

• Collaborate with cross-functional teams to design, develop, and deploy hybrid applications for iOS and Android platforms.
• Implement user-friendly interfaces and engaging user experiences using application development frameworks and programming language.
• Ensure application performance, responsiveness, and efficiency across various devices.
• Work on UX/UI designs and translate design concepts into functional app interfaces.
• Conduct thorough code reviews, identify bugs, and implement solutions to maintain code quality.
• Stay updated with the latest industry trends, technologies, and best practices in hybrid app development.

Qualifications:

• Minimum 1.5 years of hands-on experience in hybrid app development.
• Strong understanding of mobile app architecture and UI components.
• Familiarity with RESTful APIs and integration of third-party libraries.
• Ability to work collaboratively in a fast-paced environment, with excellent communication skills.
• A portfolio of previous app projects demonstrating your expertise and creativity.
• Bachelor's degree in Computer Science or related field is preferred.

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 Flutter Developer, you will be responsible for designing and developing high-quality mobile applications using the Flutter framework. Your primary focus will be on creating elegant, performant, and responsive user interfaces (UIs) that deliver a seamless user experience across multiple platforms. You will collaborate with a team of software engineers, designers, and product managers to transform requirements into fully functional mobile applications.

Key Responsibilities:

• Develop mobile applications using Flutter framework and Dart programming language.
• Design and implement user-friendly, responsive UI components and screens.
• Collaborate with cross-functional teams to gather and analyse requirements, and translate them into technical specifications.
• Write clean, maintainable, and efficient code following industry best practices and coding standards.
• Optimise application performance for various devices and screen sizes.
• Conduct thorough testing and debugging to identify and fix issues, ensuring high-quality deliverables.
• Integrate RESTful APIs, third-party libraries, and services to enhance application functionality.
• Stay up-to-date with the latest trends and advancements in mobile application development and Flutter framework.
• Continuously improve development processes, tools, and methodologies to enhance productivity and efficiency.
• Collaborate with designers and product managers to refine and iterate on application designs and user experiences.

Qualifications and Skills:

• Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent work experience).
• Proven experience in developing mobile applications using the Flutter framework.
• Strong proficiency in Dart programming language and object-oriented design principles.
• Solid understanding of mobile app architecture patterns (such as MVVM or Redux) and state management solutions.
• Proficiency in UI/UX design principles and the ability to create visually appealing and intuitive interfaces.
• Familiarity with RESTful APIs and integration of third-party libraries and services.
• Experience with version control systems (e.g., Git) and agile development methodologies.
• Strong problem-solving and debugging skills to identify and resolve application issues.
• Excellent communication and collaboration abilities to work effectively in a team environment.
• Self-motivated with a passion for staying updated on emerging technologies and trends in mobile app development.

Preferred Qualifications:

• Experience in developing cross-platform mobile applications for iOS and Android using Flutter.
• Knowledge of native mobile development (Swift, Kotlin) and familiarity with platform-specific APIs and features.
• Familiarity with backend technologies and server-side development (e.g., Node.js, Firebase, or GraphQL).
• Understanding of software testing methodologies and automated testing frameworks.
• Contributions to open-source projects or personal app development portfolio.

Requirements:

• Minimum 3 years of experience in React Native.

• Integration of Rest APIs in react native.

• Firm grasp of the JavaScript and Typescript language and its nuances, including ES6+ syntax

• Knowledge of functional and object-oriented programming

• Ability to write well-documented, clean JavaScript code

• Rock solid at working with third-party dependencies and debugging dependency conflicts

• Familiarity with native build tools, like XCode, Gradle, Android studio and IntelliJ

• Proficient understanding of releasing and monitoring apps on IOS App store, Play store.

• Should be able to communicate to backend developers on API building and modifications needed.

• Testing and releasing builds Experience in application testing software’s Appium is preferable.

• Understanding of REST APIs, the document request model, and offline storage

• Experience with automated testing suites, like Jest or Mocha

• Experience with handling production mobile apps.

• Experience with performance testing and optimization.

Responsibilities:

You’ll

• We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms.

• You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure.

• Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

• 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.

• Reach out to the open-source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.

• Maintain code and write automated tests to ensure the product is of the highest quality.

• Transition existing React web apps to React Native.

We are looking for an iOS application 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.

MUST BE ABLE TO WORK AT OUR OFFICE IN : Sec. 63, Noida, UP 201301

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.
• Very good experience with Objective-C and iOS SDK
• Good working knowledge in Cocoa Touch
• Experience with memory management and caching mechanisms specific to mobile devices.
• Experience working with iOS frameworks such as Core Data, Core Animation, Core Graphics, and Core Text.
• Experience in Payment gateway integration in mobile apps.
• A portfolio of iOS in the app store is a plus.
• Git & Gerrit.
• UI & UX experience.
• Experience in Swift4 and above version of Swift.
• REST API association, Locations, and Map API.

Required Candidate profile

• A minimum of 3 years of experience in iOS app design and development
• Experience working with iOS frameworks such as Core Data, Core Animation, Core Graphics and
  Core Text
• Experience in imaging/pdf manipulation sdk will be preferred.
• Working experience with PDFTron sdk
• 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

Role & Responsibilities:

• Design and build advanced applications for the iOS platform
• Collaborate with cross-functional teams to define, design, and ship new features
• Work with outside data sources and APIs
• Integrate features with wearables and other IoT devices
• 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

Education & Qualification Requirement:

• Bachelor of Engineering, preferably in Computer Science of Information Technology

Desired Skills and Experience:

• You have 3+ years of iOS app development experience using Swift.
• Published apps in the App store
• Have a good sense of how networked applications (Web services/REST APIs and JSON) work
• Well versed with server side syncing, database handling etc.
• Sharp analytical skills - find out edge cases both in code and usability/product.
• Ability to learn and adapt fast.
• Collaborate with cross-functional teams to define, design, and ship new features.
• 2+ years experience in any UNIX environment
• Experience implementing and maintaining unit tests
• Interest in privacy and the protection of personal information
• Good grasp of the fundamentals of UI layout designing, mobile UI components, using common themes and styles.
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies.
• Strong understanding of design patterns, or an opinion on why they're overrated.