Mobile 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.

Requirements:

• Experience building and deploying high-scale production mobile apps in Flutter.
• Resource should have experience in both Flutter and ios development.
• Translating UI/UX designs into code.
• Firebase.
• Advanced debugging/testing/optimization skills.
• Knowledge of Location Services, Maps, and other common Android/IOS libraries.
• Analyze and maintain existing software applications.
• Design highly scalable, testable code.
• Discover and fix programming bugs.

• Proficient in React, JavaScript (ES6+), and TypeScript.
• Expertise in state management libraries (Redux, Zustand, etc.).
• Hands-on experience with react-navigation and deep linking.
• Solid understanding of Expo (both managed and bare workflows).
• Knowledge of native development (Swift/Objective-C for iOS, Java/Kotlin for Android).
• Experience with custom native module bridging and native UI integration.
• Strong debugging skills using tools like Flipper and Chrome DevTools.
• Familiarity with Jest, React Native Testing Library.
• Experience with REST APIs, GraphQL, and real-time data (WebSockets).
• Ability to manage OTA updates with EAS Update and configure EAS Build.
• Experience in app publishing and release lifecycle on both Play Store and App Store.
• Knowledge of secure storage, token handling, and app-level security practices.

Years of Experience:3-7 Years
Notice:Immediate joiners
What are we looking for?

• BTech, MTech in Computer Science or a related technical discipline (or equivalent). Or high technical acumen and rich technical experience.

• Experience of 3-7 years building Android Applications.
• Strong expertise on building consumer-facing Android Apps with either Java or Kotlin, with strong programming constructs.

• Worked on building two or more Android apps
• Experience of managing E2E life cycle of Android Apps including play store deployments and post-deployment support.

• Experience of working with ReactNative would be a plus.
• The ability to independently lead problem-solving and build elegant, maintainable solutions to complex problems.

• Experience mentoring junior engineers
• Prior experience in working with Agile software methodologies ( Scrum, Kanban), TDD and Continuous  

   Intégration(CI/CD) a plus.

• Track record of building and delivering mission critical, 24x7 production software systems

We are looking for an experienced Android developer for the development and maintenance of an Android app aimed at drone pilots to execute drone flights. The application will have to be intuitive, robust and work offline.

You will be working along-side other mobile and web developers to develop a full-stack drone flight solution that enables drone service providers, pilots, and enterprises to execute fast, accurate, and seamless drone missions. You will work with cross functional product development team and will be responsible to design and build drone applications.

Qualification:

• Tech/M.tech/BCA/MCA Degree in computer Science/IT/Electronics.

Duties & Responsibilities:

• Design, build and maintain efficient, reusable, and reliable android code.

• Collaborate with cross-functional teams to define, design, and ship new features
• Work on bug fixing and improving application performance
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency

Skills:

• Hands-on experience in developing Android apps

• Experience with offline storage, threading and performing benchmarking and tuning.
• Well versed with the latest android jetpack libraries (AndroidX, ViewModels etc)
• Understanding of Android design principles and interface guidelines
• Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes.
• Proficient understanding of code versioning tools like Git
• Work with outside data sources and APIs (Familiar with frameworks like Retrofit, Volley, OkHTTP, etc.)
• Familiarity with cloud message APIs and push notifications.
• Good knowledge in programming concepts OOPs, design & coding patterns
• Experience in writing & executing UI Unit Tests for robustness, usability, and reliability.
• Experience with Google Play console and publishing apps on the play store

Soft Skills:

• Understanding of database structure, algorithms, and processes
• Familiar with database management and design
• Good communication and management skills
• Ability to adapt to new technology, concept, approaches, and environment faster
• Problem-solving and analytical skills
• Must have a learning attitude and improvement mindset
• Knowledge of non-functional aspects of the app/product such as security, automation, testing, performance, optimization
• Leadership and resource management skills

Responsibilities:

• Write high quality code & unit tests, builds, tests as per agreed timelines.
• Follows and promotes SDLC best practices: Coding standard, testing, code reviews, code comments etc.
• Keeps key stakeholders informed about progress and problems; avoids surprises.
• Organises and expresses ideas clearly and concisely.
• Exhibits excellent teamwork and helps achieve team goals.

Requirements:

• Exhibits strong problem solving skills.
• Strong grasp of computer science fundamentals and excellent problem solving skills.
• Good understanding of software engineering practices, Data Structures & Algorithms.
• Solid programming skills in Java/Kotlin.
• Good communication skills.
• Strong sense of ownership and accountability.
• Experience in Reactive programming, Asynchronous programming and Unit Testing will be an added advantage.
• 0-3 years of experience in product driven organisation.
• A Bachelors or Masters degree in engineering from a reputed institute (preferably IITs, NITs, or other top engineering institutes)

Technologies we're working with:

• MVP, JAVA and Kotlin, Realm, Firebase Real-time Database, RxJava, Kotlin, Coroutines, Dagger and Retrofit.

 Proven working experience of minimum 3+ Years in Android app development (Min 2Yrs. experience in Kotlin)

- Have strong knowledge in Kotlin and Java.

- Strong knowledge of Android UI design principles, patterns, and best practices

- Experience with offline storage, threading, and performance tuning.

- Experience working with remote data via REST and JSON.

- 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.

Anju Siima Technologies Pvt Ltd. is a leading software company seeking creative and skilled developers to join our fast growing team. Our mission is to design and develop technology that improves the lives of its users, while providing an exceptionally high level of service to our clients.

We are looking for experienced developers who want to be part of a fast-paced, dynamic environment, where everyone’s opinions and efforts are valued. We hire outstanding professionals and give them the opportunity to thrive in a collaborative atmosphere that values learning, growth, and hard work.

Our team of 16+ professionals is working on Guntur and Hyderabad branch, Additionally, many of our team members who aren’t located near one of our offices, work remotely. We provide a highly competitive compensation and benefits package.

Job Description

We are looking for a Dart/Flutter Developer responsible for creating multi-platform apps for iOS and Android using Google’s Flutter development framework. The primary focus will be on creating new experiences and maintaining existing apps. Deep experience contributing to and managing high-scale production mobile apps. You must have previous experience in Flutter and Dart development.

Responsibilities

• Design & implement new app modules based on the product requirements using Flutter framework
• Maintain existing codebases
• Build reusable code and libraries for future use
• Integrate user-interfaces elements developed by other developers
• Build user interfaces designed by UI/UX designers
• Integration of data storage solutions
• Integrate various APIs from third parties
• Debug existing apps components, fix issues and avoid regressions
• Collaborate closely with the teams of UI/UX designers, PMs, QAs, and other developers
• Participate in software architecture, design discussions and code reviews
• Optimize application for maximum speed and scalability
• Follow the company guidelines and best practices

Skills And Qualifications

• You have a bachelor’s degree in computer science or related discipline
• Must have built at least two Android and/or iOS apps with Flutter 
• Proficient in Java/Kotlin programming
• Knowledge and experience in Flutter Framework and DART programming
• Hands on experience in using RESTful APIs
• Hands on experience in designing and developing micro-services architecture and containers
• Experience with third-party libraries and APIs
• Hands on experience in designing and developing micro-services architecture and containers
• Object oriented analysis, UML and design using common design patterns.
• Hands on experience in development IDE Android Studio, Android SDK, Firebase Test Lab.
• Experience with offline storage, threading, and performance tuning.
• Experience with Mobile design patterns e.g MVVM, GoF, Bloc, Provider & etc.
• Experience in writing secure mobile applications (OWASP Mobile Top 10)
• Familiarity with push notifications
• Familiarity with IOS integration with Flutter
• Experience using GitHub or similar environment
• Complete understanding of SDLC
• Experience with Agile development
• Experience with Material Design and Android UI design principles, patterns and best practices
• Good knowledge of adding third-party libraries
• Ability to understand business requirements and translate them into technical requirements
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
• A track record of delivering successful complex consumer product apps (finance apps, e-commerce apps)