Flutter Developer

Position Responsibilities:

Experience as a mobile App developer with Flutter coding experience.

Qualifications:

Bachelor's degree in computer science/engineering/related fields or equivalent industry experience.

4+ years of software development experience in building and shipping production software or services with code in languages such as Nodejs or C#.

Adopt industry best practices in all your projects - TDD, CI/CD, Infrastructure as Code, linting.

3 years of experience Build abstractions and contracts with separation of concerns for a larger scope.

Extensive programming experience in anyone programming language like Nodejs or C#. Strong object-oriented programming skills.

Experience with multi-threading and concurrency programming Ability to work with complex business flows and dealing with huge amounts of data.

Prior work experience in an agile environment or continuous integration and continuous delivery (CI or CD) Experience of building robust and scalable web-application is good to have.

Good communications skills, both verbal and written. 

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

We are looking for a skilled Flutter Developer with a minimum of 2+ years of experience and expertise in the BLoC (Business Logic Component) architecture to join our development team. You will be responsible for building high-quality mobile applications for both Android and iOS, ensuring robust performance, and providing a seamless user experience.

Responsibilities

- Design, develop, and maintain mobile applications using Flutter and Dart.

- Implement and manage state using the BLoC architecture.

- Collaborate with cross-functional teams to define, design, and ship new features.

- Ensure code quality by writing clean, maintainable, and testable code.

- Optimize application performance, identify and fix bugs, and enhance application responsiveness.

- Integrate RESTful APIs and other backend services.

- Participate in code reviews and provide constructive feedback to team members.

Requirements

- Minimum of 2+ years of experience as a Flutter Developer.

- Strong knowledge of Dart and Flutter framework.

- Proficiency in using the BLoC architecture for state management in Flutter applications.

- Experience with third-party libraries and APIs.

- Familiarity with RESTful APIs, JSON, and web services.

- Understanding of the mobile development lifecycle and app store guidelines for both iOS and Android.

- Proven experience in publishing a minimum of 2 mobile applications to the Apple App Store and Google Play Store.

- Knowledge of version control systems like Git.

- Strong problem-solving skills and attention to detail.

Preferred Skills

- Experience with Flutter for the web.

- Familiarity with other state management techniques in Flutter, like Provider, Riverpod, etc.

- Experience with CI/CD tools and practices.

- Knowledge of agile development methodologies.

- Strong communication and teamwork skills.

Job Title: IOS Engineer (Remote)

Remote Working | Engineering Team | Full-time

The Impact you will create on the Job:

Developing SDKs on IOS with support for cross-platform technologies like ReactNative, Flutter along with hybrid development over platforms like Cordova.

Apply data structures and algorithms to optimize the code for a lower memory, battery, and processing footprint - all with the goal to build plug-and-play SDKs that don’t expect the app developers to write any supporting code in the app.

You will be liaising with the cross-functional teams to get an in-depth understanding of the functional requirements and propose scalable solutions.

As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.

You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.

You will get an opportunity to work with some of the best talent while learning from various highly-functional teams in the company.

You will collaborate with your team and set an example by delivering high quality and innovative engineering solutions for complex use cases.

Plan and execute the roadmap with the engineering team to build and deliver next-generation systems.

What we look for?

Bachelor’s/Master’s degree in Computer Science/IT from premier institute.

2-4 years of industry experience in iOS development, with at least one live app on App Store.

Good knowledge of Objective-C, Swift 5, data structures and algorithms.

Fair understanding of Native Frameworks, specifically concurrency handling, data persistence (User Defaults, Keychain, Core Data), and background tasks.

Good understanding of iOS Frameworks related to UI and network.

Fair understanding of Apple’s concurrency handling, Core Data, and NS Operation classes.

Familiarity with developing UI with both XIB/Storyboard and code.

Good understanding of SDK integrations, debugging, and troubleshooting.

Interested in exploring mobile app development ecosystems like React Native, Cordova and Flutter.

Comfortable with tackling ambiguous problems and unblocking yourself.

Fair understanding of Push Notification ecosystem.

Who are we looking for?

1. Someone who is annoyed by the build time it takes for an application to build and has done something to optimize it

1. Has good experience in building Android applications
2. Experience with the flutter ecosystem is a great plus.
3. Who likes to think in terms of software and data architecture before opening an Android studio. Comfortable with managing

1. the development and deployment of applications.
2. Open and more importantly excited about learning the new technologies.

Roles and responsibilities

1. Participate and contribute to the design and development of the core

components of the service.

• Design and Build sophisticated and highly salable apps using Flutter.
•  Translate and Build the designs into high-quality responsive UI code.
•  Write efficient queries for core Data.
•  Use of Model-View-Controller (MVC) and Model-View-ViewModel-Controller (MVVM) architecture and develop maintainable, testable and functional software that meets product requirements.
•  Resolve any problems existing in the system and suggest and add new features in the complete system.
•  Follow the best practices while developing the app.
•  Use CI/CD for smooth deployment.
•  Document the project and code efficiently.
•  Manage the code and project on Git to keep in sync with other team members and managers.
•  Suggest new features and/or enhancements.
•  Maintaining software through product life cycle including design, development, verification and bug fixes.
•  Write tests for the App.
•  Knowledge of different state management libraries like BloC,  GetX, Provider will be a plus point.

Responsibilities:

● Support the entire application lifecycle (concept, design, test, release and support)

● Produce fully functional mobile applications writing clean code

● Gather specific requirements and suggest solutions

● Write unit and UI tests to identify malfunctions

● Troubleshoot and debug to optimize performance

● Design interfaces to improve user experience

● Liaise with the Product development team to plan new features

● Ensure new and legacy applications meet quality standards

● Research and suggest new mobile products, applications and protocols

● Stay up-to-date with new technology trends

Requirements and skills:

● Proven work experience as a Mobile developer

● Demonstrable portfolio of released applications on the App Store or the Android market

● In-depth knowledge of at least one programming language like Flutter Java

● Experience with third-party libraries and APIs

● Familiarity with OOP design principles

● Excellent analytical skills with a good problem-solving attitude

● Ability to perform in a team environment

● BSc degree in Computer Science or relevant field

Hi,

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)

• HTTP APIs 
• SQLite
• Firebase
• Git

• AWS
• MQTT
• IoT
• AWS Cognito 
• Knowledge about Hardware IoT, ESP32, ESP8266, NodeMCU etc.