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.

We are looking for a Mobile Lead (IOS & Android) for one of the leading TMT bar manufacturers & suppliers in Kolkata.

Role - Mobile Lead (IOS & Android)

Experience - 5+ years

Location - Kolkata

Job Description :-

As a Mobile Lead, your primary responsibility is to oversee the development and maintenance of mobile applications for our organization. 

Some of the key job responsibilities include :-

1. Leading the Mobile Development Team: You will lead a team of developers, designers who are responsible for building and maintaining mobile applications. You will be responsible for Coding, delegating tasks, setting goals and timelines, and overseeing the team's performance to ensure that the development process runs smoothly.

2. Developing Mobile Applications: You will be responsible for developing mobile applications for iOS and Android platforms, using a range of programming languages such as Swift, Java, Kotlin, and React Native. You will need to ensure that the application is scalable, user-friendly, and meets the specific requirements of the organization.

3. Collaborating with Stakeholders: You will be responsible for collaborating with various stakeholders in the organization, including product managers, project managers, designers, and other development teams to understand the requirements and objectives of the application. You will need to ensure that the application aligns with the overall product roadmap and meets the business objectives.

4. Ensuring Quality: You will be responsible for ensuring the quality of the mobile application, including testing, debugging, and fixing any issues that arise during the development process. You will need to

ensure that the application is free of bugs, runs smoothly, and meets performance and usability standards.

5. Keeping Up with Emerging Trends: You will need to stay up to date with the latest developments in mobile technology, and emerging trends in user experience and design. You will need to ensure that the mobile application is using the latest technologies and is in line with industry best practices.

6. Managing Project Budget: You will be responsible for managing the budget for mobile development projects, including resource allocation, vendor management, and contract negotiations.

Overall, the Mobile Lead is a critical role that requires a strong understanding of mobile development processes and the ability to lead a team to deliver high-quality mobile applications.

LogiNext is looking for a technically savvy and passionate Senior Mobile Application Developer to cater to the development and launch of core mobile product features. You will help the team in building an awesome product with your optimized code. You will make a humongous impact on design, architecture, implementation and enhancement of the applications that exceed client expectations in terms of value and benefit.

You have hands-on experience in building secure, high-performing and scalable mobile applications. Your design intuition inclines towards usability, elegance and simplicity. You are biased towards open-source tools and existing frameworks. You have assisted in shipping applications with beautiful front-end and intelligent back end. You have demonstrated strong interpersonal and communication skills.

Responsibilities

• Develop cutting edge native Android or iOS applications for the mobile platform
• Build, test, maintain and enhance mobile apps having elegant and efficient UI/UX to enhance client experience
• Own features from their ideation, design, development, test, release and maintenance
• Be a resident expert of new trends and implement the latest Android/iOS features to maximize application performance
• Maintain high standards of quality and responsiveness through technical design analysis, code reviews and test automation
• Collaborate with a talented team of product managers, engineers, and designers
• Demonstrate high level of ethics, dedication and teamwork

Requirements

• Bachelor’s degree in Computer Science, Information Technology or related field
• 4 to 7 years of experience in developing native Android or iOS mobile applications
• Strong knowledge of programming language in Swift or Java/Kotlin, SQLite and IDE like XCode or Android Studio
• Hands on experience in using Location Based Services, REST Web Services Integration, FCM, Firebase and Battery Optimization Techniques
• Strong experience in memory management, performance tuning and resource optimization
• Deep knowledge of mobile automation and unit testing frameworks
• Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership
• Experience in both Android and iOS applications is a plus
• Excellent written and oral communication skills, judgment and decision-making skills

Roles and Responsibilities:

● 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

Requirements:

● Firm grasp of the JavaScript / TypeScript / ClojureScript language and its nuances

● Knowledge of functional / 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, IntelliJ

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

● Experience with automated testing suites, like Jest or Mocha

We are looking for an experienced cross platform Mobile Developer with 2-5 years of building performant mobile apps on both iOS and Android platforms.  You are in top 5% of your field and are passionate about creating new products and innovative code.  We are building a solution that deploys elements of tokenization using block chain, ML driven portfolio selection and risk management, and a proprietary alternate secondary market for illiquid securities.  You would be developing and maintaining Cross platform Android and iOS applications. You will be working alongside other engineers and developers working on different layers of the infrastructure.

Key Requirements

• BE/ BTech or MTech/ Dual degree in Computer Science/ Software engineering or similar from a Tier 1 institute.
• Thorough understanding of Flutter and its core principles.
• Proficient in Dart6 Programming.
• Knowledge of Swift, Obj C, Xamarin & native build tools, like Xcode, Gradle (Android Studio, IntelliJ)
• Build pixel-perfect, buttery smooth UIs across both mobile platforms.
• Familiarity with RESTful APIs, JavaScript & React Native
• 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.
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Be extremely conversant in table stakes software engineering toolchain - Linux/Shell, IDE’s, Git, Debuggers, Profilers.
• Strong knowledge of UI design principles, architecture patterns, and best practices for development.
• Ability to write well-documented, clean code
• Experience launching and managing production mobile apps
• Ability to deep dive into problem-solving and build elegant, maintainable solutions to complex problems, in addition to excellent interpersonal skills.

• Manage high-level architecture and design data flows in the Android and iOS app in (Dart, Flutter framework)
• Add new features and automate functionalities in backend hosted on Firebase (Typescript, ReactJS framework)
• Setup Marketing and Analytics tools in the app to get relevant daily usage insights and target users in different campaigns. (3rd party tools, Mixpanel)
• Experiment with the live data stream from wearable IoT devices to generate insights using ML models in production.
• Deploying ML models in production to be used inside the app community section.

• Experience: 2+ year of software development experience

• Tinkerer - We are a team of builders and love to get our hands dirty on new ideas and technologies. If you love to spend your time working on side-projects, you’ll fit right in.
• Problem Solver - Software development could involve a constant stream of challenges. Confidence and skill to navigate through them is an essential skill to possess.
• Team Player - At iMumz, we believe in building in a strong and small A-Team. A drive to work and contribute towards the team’s overall success and progress is desired.
• Proactive Learner - Technologies change. Frameworks get disrupted every day. Adaptability and desire to stretch to be a constant learner is highly appreciated.

• Be a part of India’s fastest-growing platform for maternal health and get hands-on experience in the growth journey of a digital product.
• Get hands-on experience of building a product for 100,000+ and growing community
• Work on building the core offerings directly with the founders.
• Freedom to work from anywhere till the work gets done.