Senior 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.

Job Description: React Native App Developer

Company: Arroz Technology Private Limited

CTC: 3.5-5 LPA

ESOP

Working Hours : 9:30 AM to 6:30PM

Working Days : 6 Days a Week (1 day Work from Home in a week)

Location : 4thFloor ,TMR Tower ,Whitefield, Thubarahalli, Bengaluru, Karnataka 560066, India

Google Map Links :  https://goo.gl/maps/YbhYeNy8ahLqVykS7

Responsibilities:

- Develop and maintain high-quality mobile applications using React Native.

- Collaborate with cross-functional teams to gather requirements and translate them into high-level designs.

- Write clean, reusable, and well-structured code following industry best practices and coding standards.

- Conduct code reviews and provide constructive feedback to ensure code quality and adherence to standards.

- Mentor and guide junior developers, providing technical expertise and promoting professional growth.

- Collaborate with backend developers to integrate APIs and ensure smooth data flow between the app and server.

- Stay updated with the latest trends and advancements in React Native and mobile app development.

- Work in a 9:30 AM to 6:30 PM, six-day office role, maintaining regular attendance and punctuality.

Required Skills and Qualifications:

- Strong proficiency in React Native development.

- Experience with Redux or similar state management libraries.

- Proficiency in integrating APIs and working with backend services.

- Sound knowledge of JavaScript, ES6+, and modern web technologies.

- Familiarity with Git version control system and agile development methodologies.

- Good problem-solving and debugging skills.

- Excellent communication and teamwork abilities.

- Bachelor's degree in Computer Science or a related field (preferred).

Join Arroz Technology Private Limited as a React Native App Developer and be part of an innovative team driving the development of cutting-edge mobile applications. This role offers competitive compensation and growth opportunities within a dynamic work environment.

●      2+ Years of experience of Android native development with Java and Kotlin

●      Experience in Android Studio IDE and tools like Android Device Monitor, Logcat

●      Hands-on experience on MVVM architecture pattern

●      Solid experience/understanding of OOPS concepts and Design patterns.

●      Knowledge on cross platforms like Flutter, React Native is an added advantage

●      Thorough knowledge of Android APIs and platform capabilities (location-based capabilities within apps)

●      Experience with offline storage, threading, and performance tuning

●      Proven knowledge of Android UI design principals, patterns, and best practices

●      Experience with publishing applications on Google Play Store and app signing process

●      Expertise in payment gateway and social media integration

●      Proficient understanding of code versioning tools, such as Git

●      Familiarity with CI/CD

●      Provide technical leadership and functional help working closely with team members

●      Design, implement and maintain application within all phases of the software development life cycle (SDLC) on Microsoft Azure (or AWS)

●      Independently carry out the activities without much of guidance

●      Create, understand, and validate design and estimates and be able to justify them

●      Applies knowledge of principles and techniques to solve technical problems.

●      Works closely with other functions to understand customer needs and to develop product roadmaps.

●      Translate design and wireframes into high-quality mobile applications.

●      Strong troubleshooting and analytical skills and detail oriented

●      Comprehensive understanding of OOPS concepts, data structures, algorithms and product development techniques and theories

●      Should be able to design schema for enterprise level applications

●      Should be able to apply design patterns

●      Should be open to face new challenges and learn new technologies

●      Experience with debugging, performance profiling and optimization

Must Good to Have Details :

- Must have at least 1 year of experience on React Native along with architecture experience in Mobile Applications.

- Have strong knowledge of App UI design principles, patterns, and best practices

- Familiarity with native build tools, like XCode, Gradle, Android Studio IntelliJ, VsCode

- In-Depth Knowledge of React, React Native, TypeScript or JavaScript Redux, Hooks, ECMAScript (ES6, ES7 etc.), Node, NPM and iOS & Android Build systems

Must have :

- Understanding of REST APIs, the document request model, and offline storage and must have on React Native chart Library

- Working knowledge on Sending Notifications with APNs & FCM

- Experience working with Backend Web Services (like REST etc), Fetch API, and Axios and knowledge of Databases (Relational, Distributed etc.)

- Experience in integrating libraries like React Navigation, React Native, Firebase, Social Logins (Facebook, Google, Apple etc.), Push Notifications etc.

- Responsive layouts in both platforms in reactive native using Media Query & Flexbox

- Sound knowledge of Design Patterns like Creational, Structural, and Behavioral

Good to have :

- Working experience on third-party dependencies and debugging - dependency conflicts

- Must be able to integrate native code in react-native and expo Modules

- Able to generate builds for both IOS(.IPA) and Android (APK) Platforms and experience in hosting apps on respective Stores(AppStore, PlayStore).

- Professional Communication (written, verbal presenting)

- Open to learn and adapt to new technologies

- Go-getter, Result oriented Creative & Innovative approach

- Excellent Communication Skills

Who are we and what do we do?

Digio is a fast growing,profitable product startup founded in 2016 by ex-Flipkart, Twitter folks, playing a key role in India’s Digital story.

The company is building software platforms and products to power business processes, to go paperless and digital in order to bring down cost overheads, time involved in erstwhile offline business processes, thereby being instrumental in increasing operational efficacy and human productivity along with enabling presence-less digital reach and super rich end user experience.

Digio is the market leader in India for Digital onboarding and has played a key role so far in enabling Digital Transformation in India by empowering a large part of the Indian eco-system specifically Fintech sector of India. Digio has been honored as the world's 100 most innovative Regtech companies by the World Fintech Forum.

You can view their website at http://www.digio.in/">https://www.digio.in or find them on Twitter, Facebook, and LinkedIn.

Roles & Responsibilities:

As a Senior Android Engineer at Digio your responsibilities will be:

• Drive Digio SDKs, Libraries, App development in Java, Kotlin and Flutter.
• Take care of performance and security Android level.
• Keep it crash free, modular, perfectly memory managed for mass level usage.
• Usage of Java based REST APIs and backend level developments.
• Drive Android level development as well around available AI, ML and Vision Android libraries.

Requirements:

• Education: B.Tech. (CS/IT) / B.Sc. (CS) / M.Tech. / MCA.
• Experience suitable to above mentioned requirements around Android. IOS experience is plus.
• Experience in creating Android Apps from scratch.
• Experience with Kotlin, Flutter. Experience with Dagger. 
• Experience in dealing with WebViews - Javascript and Native android communications.
• Good low level and High level software design and architecture skills, experience of working with distributed environments.
• Have good understanding on Android and IOS internals and memory management.
• Fast learning abilities.
• 3-5 years of experience and at least 2 years working with product company.

We enable humans & machines with internet connectivity at a price that they can afford.

The inspiration for Wifi Dabba came from the founders working together for the last decade in the mobile application industry and realising the biggest reason for user churn being access to cheap and affordable internet access. From having worked on ground onboarding users and facing poor connectivity issues all the time, we took it on ourselves to fix the internet access problem for the common citizen.

At Wifi Dabba (YC W17), we are building a low cost, scalable & distributed Wi-Fi infrastructure to connect next billion users online. We do this by deploying a grid of lasers (Free Space Optics) over the cities & town and bring cheap and fast internet for everyone. We enable anyone to buy 1 gig of data access at a time at a price they can afford. Sachetization of internet access is the foundation to rebuilding internet for all. We do this by leveraging crypto and blockchain to truly make internet infrastructure ownership distributed — our vision is to be connectivity layer for the Web3 world.

• You will get the chance to be an early team member at a fast-growth YC startup.
• You get to define the future of telecom infrastructure ownership and operations.
• We’re a tight-knit team where you'll learn a ton and have ownership.
• Opportunity to build for the next billion users.

• Strong engineering background preferably in Computer Science
• Experience architecting, developing, and testing android application code end-to-end
• Strong knowledge of Android UI design principles, patterns, and best practices
• Experience with AWS services
• Experience working with remote data via REST and JSON
• Experience working with mobile analytics
• Knowledge of code versioning tools like GIT, SVN.
• Experience in building user interfaces for mobile apps.
• Participate in design discussions with business users, web producers and engineering teams.
• Perform requirements analysis, high-level design, effort estimation for new business requirements and feature enhancements.
• Write clean, concise, and sustainable code.
• Team player who enjoys collaborative effort.

• Entrepreneurial mindset (we encourage all employees to be future founders and this can be a great stepping stone towards that)
• Customer-centric and passionate about working in a small & focused team
• Previous experience building/working in telecom software or infrastructure
• Previous experience building web3 project - DeFi / Blockchain infrastructure
• Previous experience at a high-growth, fast-paced startup

What you need to have:

• Translate product designs and features into high-quality code within project constraints through diligent planning and attention to detail.
• Design and develop efficient reusable components. Follow SDLC best practices by ensuring coding and testing standards.
• Take the lead to maintain and refactor code and remedy performance bottlenecks.
• Collaborate with different tech teams, product teams, and QA. Exhibit excellent teamwork and help achieve team goals. Keep key stakeholders informed about progress and problems; avoid surprises.
• Work to architect simple, reliable, and elegant applications. Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
• Identify and communicate improvements to development tools, processes & workflows. Contribute to a collaborative work environment and a culture of ownership.
• Participate in understanding problems for our specific target and finding solutions for them.

• Strong knowledge of Android design principles, patterns, and best practices.
  Good problem-solving skills and verse with OOPs fundamentals.
• Proficiency in Java, Kotlin, and a solid understanding of Android SDK and other components (MVP/MVVM, Architecture components, Jetpack, Dagger, RxJava, Coroutines, Data binding, Retrofit, etc).
• Knowledge of clean architecture and its implementation.
• Proficient with developing apps optimized for different android versions and devices of varying performance.
• Strong system design and architecture skills.
• Experience with multi-threading, memory management, databases.
• Experience in working with REST APIs, JSON, XML, etc.
• Experience/Knowledge of unit testing and integration testing.
• A knack for profiling, performance tuning, and optimization.
  Skills that will give you an edge
• Hands-on experience with supporting payments and integrating payment gateways
• Experience with progressive web apps, service workers
• Strong grasp over frontend unit and end-to-end testing frameworks