Android 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.

React Native Developer Job Description

We are searching for a brilliant, flexible React Native Developer to create novel Android / IOS apps that meet the needs of our target audience.

To this end, the React Native Developer's Responsibilities include writing and proofreading code, liaising with coworkers within and outside of their department, and monitoring customers' feedback. Over time, you will also be required to create app updates.

To ensure success as an React Native Developer, you should demonstrate proficiency in one of the mainstream programming languages, and a sound understanding of the traditional product life cycle.

An exceptional React Native Developer will be fearless but respectful in the pursuit of excellence, continually striving to shape the
ways in which Android/ IOS apps impact the world around us.

React Native Developer Responsibilities:

Conceptualizing and formulating apps that are suitable for use on all types of Android/lOS devices.
Implementing measures to safeguard users' data.
Ensuring that the construction and presentation of your apps are congruent with the company's standards.
Proofreading your code and correcting mistakes before each app is released.
Collaborating with Ul and UX Designers, as well as Software Testers, to ensure that each app is presentable and in perfect working order.

• Proven software development experience
• Proven working experience in Android
• Strong Java OOPs concepts and design patterns understanding 
• Hands-on experience on Kotlin.
• Good understanding of C and data structures, JavaScript
• Must have a good understanding of React Native or Cordova
• Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
• Have published at least one app in the Store.
• Experience in writing SDK frameworks
• Experience working with remote data via REST and JSON
• Strong knowledge of Android UI design principles, patterns, and best practices
• Experience with third-party libraries and APIs
• Knowledge of JNI, security algorithms
• Experience with offline storage, threading, and performance tuning
• Ability to design applications around natural user interfaces
• Knowledge of the open-source Android/iOS ecosystem and the libraries available for common tasks
• Must be proficient in code versioning tools such as Git, SVN
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies Solid understanding of the mobile development life cycle
• Good to have: Experience in working on cross-platform such as Flutter, Kony.

• Ionic: Ionic is a free and open-source framework certified by MIT that enables developers to use modern web technologies like HTML5, CSS3, and JavaScript. ...
• React Native: ...
• Flutter: ...
• Native Android: ...
• Xamarin: ...
• Native Script: ...
• jQuery Mobile: ...
• Framework7:

About 1K

1K is an early-stage start-up building India’s first network of small-format stores (kiranas) for smaller towns through an integrated offline-online immersive experiential model. We have started off with the aggregation of kiranas, developing a franchise network for the delivery of daily necessities. We plan to build on the entrepreneurial spirit and underutilized real estate pockets hiding in India’s smaller towns and fuel Bharat’s growth through them. We are funded by Info Edge Ventures, Falcon Edge, and Kae Capital.

At 1K, our objective is to build technology that serves the needs of our customers with utmost satisfaction. To help us in doing so, we are looking for an experienced product manager to own the full lifecycle of product development from conception through release. An ideal candidate should have a keen eye for gaps in consumer product offerings and the innovative mindset to fill them. You should have experience in guiding cross-functional teams in the successful creation of products that improve consumer experience and grow market share.

You'll be responsible for developing android applications for managing various working aspects of e-commerce, warehousing & supply chain systems while playing a critical role in the design, planning, development, and deployment and help develop best practices for future development.

Responsibilities:

• Developing, releasing, and maintaining native Android Applications and oversee mobile application development efforts
• Deliver across the entire app life cycle, design, build, code review, deploy, test, release to app stores and support
• Working directly with developers and product managers to conceptualize, build, test, and release products
• Carefully evaluate the technical trade-offs of every decision
• Work on bug fixing and improving application performance.
• Good to have experience in designing, implementing, and maintaining complex mobile applications
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency
• Optimizing performance for the apps and keep up to date on the latest industry trends in the mobile technologies
• Solid understanding of UI Design practices

Requirements:

• 3+ years of hands-on experience in writing and deploying production quality code.
• Familiarity with test-driven development (TDD)
• Familiarity with CI/CD
• Great understanding of Android development
• Solid understanding of MVI/MVP/MVVM architecture.
• Expertise in Kotin with solid OOD principles, design patterns, dependency injection (Hilt/Koin/Dagger)
• Good grasp of algorithms, memory management, and multithreaded programming
• Hands-On experience with Android’s debugging, unit/UI ­testing, memory, and performance optimization tools.
• Awesome to have exposure working in startups.
• Great people skills!

• Development and delivery experience in iOS, at least 2 apps should be in App Store
• Proficient in Swift 4.0 or later
• Experience with iOS frameworks such as UIKit, Maps, Core Location, Core Bluetooth and Core Animation etc.
• Familiarity with MVVM, Test driven development(TDD)
• Experience with third-party libraries such as Alamofire etc. and APIs Solid understanding of the full mobile development life cycle
• Proficient in RESTful APIs
• Proficient in Git
• Familiarity with push notifications and cloud message APIs etc.
• Experience with offline storage, threading, and performance tuning, optimisation
• Experience with performance and memory tuning with tools such as xcode Instruments and Shark
• Experience in writing unit and functional tests
• Perform bug fix and improve application performance
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
• Strong UX/UI design exposure and experience in making apps work intuitively and with pixel perfect interfaces. Understanding of Apple’s design principles and human interface guidelines
• Strong CS fundamentals (with competencies in algorithms and data structures)
• Highly accountable and takes ownership, with collaborative attitude, and a lifelong learner.

We are looking for someone having 4-7 years of experience in Android development with good work experience in writing & debugging Android applications, experience in OOPs fundamentals, Java, Kotlin, SQLite, MySQL database management system.

Responsibilities 

- Be involved in all aspects of development: playing a critical role in design, planning, development and deployment and help develop best practices for future development.

- Fast prototyping of proof-of concept features/applications based on a brief.

- Develop and maintain new features in Mobile Application development.

- Own the delivery of an entire piece of a system or application.

- Use technical knowledge and creative thinking to provide the most innovative solutions.

- Optimize the performance of the apps and keeping up to date with the latest industry trends in mobile technologies.

Technical Skills

- Comprehensive understanding of Android application architecture, Activities, Services, Intents, Content.

- Strong Kotlin development experience

- Strong OO design and programming skills in Java (J2EE/ J2ME)

- Familiar with the Android SDK and Studio.

- Experience in web service integration (SOAP, REST, JSON, XML) is desired.

- Architecture: MVP, MVC.

Non-Technical Skills

- Must have excellent oral and written communication skills

- Must be dedicated to delivering high-quality work and adhering to timelines

- Must be a good team player, good learner and a self-starter

- Must have the ability to work independently

- Must have good analytical and problem-solving skills

• 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)

What you need to have: