
Qualifications:
• 10+ years native mobile development (iOS Swift + Android Kotlin)
• Proven experience building mission-critical, offline-first applications
• Deep understanding of mobile architecture patterns (MVVM, Clean Architecture)
• Expert-level API integration and data synchronization strategies
• Experience with emergency services, healthcare, or field operations software (preferred)
• Strong debugging, performance optimization, and memory management skills
• Demonstrated leadership in establishing mobile development best practices
TECHNICAL EXPERTISE:
• iOS: Swift 5.x, SwiftUI/UIKit, CoreData, CoreLocation, Background Tasks
• Android: Kotlin, Jetpack Compose, Room, WorkManager, Location Services
• Tools: Xcode, Android Studio, Git, Figma, Firebase, TestFlight/Play Console
• CI/CD: Fastlane, GitHub Actions, or similar automation tools
• APIs: RESTful services, JSON parsing, authentication/authorization
• Testing: XCTest, Espresso, automated UI testing frameworks
Responsibilities:
CORE RESPONSIBILITIES:
• Architect mobile applications for First Due's emergency response platform serving Fire and
EMS agencies nationwide
• Lead mobile development initiatives for the Hyderabad development center
• Design offline-first architectures ensuring reliability in low-connectivity emergency
scenarios
• Collaborate with cross-functional teams across US and India time zones
• Establish mobile CI/CD pipelines, coding standards, and quality assurance processes
• Mentor developers on mobile best practices and First Due's technology stack
• Drive sprint planning, velocity tracking, and technical roadmap for mobile development
• Ensure HIPAA compliance and data security for patient care reporting features
Work Location: Hyderabad, India
Work mode: Work From Office

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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 Title: Senior Android Developer (Java/Kotlin)
Experience: 8–15 Years
Job Summary
We are seeking a highly skilled Senior Android Developer with extensive experience in building robust, scalable, and high-performance mobile applications. The ideal candidate will have deep expertise in Android development using Java and Kotlin, strong problem-solving abilities, and a passion for delivering high-quality user experiences.
Key Responsibilities
- Design, develop, and maintain advanced Android applications for mobile devices.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Integrate mobile applications with backend systems using RESTful APIs.
- Ensure the performance, quality, and responsiveness of applications.
- Identify and fix bugs, optimize performance, and improve application scalability.
- Write clean, maintainable, and efficient code following best practices.
- Participate in code reviews and mentor junior developers.
- Stay updated with the latest trends and technologies in Android development.
Required Qualifications & Experience
- Bachelor’s degree in Computer Science, Engineering, or a related technical field.
- 8+ years of experience in Android development using Java and Kotlin.
- Minimum 4 years of hands-on experience with Kotlin.
Technical Skills
- Strong understanding of the Android platform and Android SDK across multiple OS versions.
- Proficiency in consuming RESTful web services and API integration.
- Solid knowledge of Android UI/UX principles, design patterns, and best practices.
- Experience with popular Android libraries and open-source frameworks.
- Hands-on experience with build tools such as Gradle or Maven.
Testing & Quality Assurance
- Experience with testing frameworks such as JUnit, Espresso, or Robolectric.
- Familiarity with Test-Driven Development (TDD) or Behavior-Driven Development (BDD).
- Experience testing across multiple devices, screen sizes, and configurations.
- Understanding of CI/CD pipelines, automation, and static code analysis.
Performance & Optimization
- Experience in handling local data storage solutions.
- Strong understanding of multithreading and performance tuning.
- Ability to optimize applications for maximum speed and scalability.
Tools & Technologies
- Version control systems such as Git.
- Experience with Azure DevOps or similar lifecycle management tools.
- Knowledge of continuous integration and continuous delivery practices.
Soft Skills
- Strong communication and interpersonal skills.
- Ability to work effectively in distributed/global teams.
- Self-motivated and proactive with a strong learning mindset.
- Comfortable in fast-paced and dynamic environments.
Job brief
We are looking for a qualified Mobile developer to join our Engineering team. You will be working with our engineers to develop and maintain high-quality mobile applications.
If you’re passionate about mobile platforms and translating code into user-friendly apps, we would like to meet you. As a Mobile developer, you’ll collaborate with internal teams to develop functional mobile applications, while working in a fast-paced environment.
Ultimately, you should be able to design and build the next generation of our mobile applications.
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 Swift and 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
Presenting Bharat's first of its kind instant messaging app that is smart & secure - Buzz is an AI & machine learning powered - content-driven instant messaging app tailored to make you feel secure with more focus on privacy. At Buzz, we are on a mission - to help users be in control of the degree of their digital exposure, with a goal to create a space as India's first smart instant messaging platform among dominating foreign players.
And this is just the beginning :
With our eyes set on the future, we are looking for an exceptional iOS Developer with must have experience in Socket.IO, to help us realise, build and scale our offering, who possesses a passion for technologies to the limits and will work with our team of talented engineers to design and build the next generation of our application.
Most Important:
What you'll get :
- Compensation in terms of EQUITY ONLY, salary once we raise funds. This is more of a hands-on role especially in the initial stages of the company. Part-time would also temporarily work.
We are looking at passionate people with entrepreneurial spark and a hustler.
People who are deeply passionate of solving user problems in social networking space and vision of making an Indian product to be used by billions worldwide must only apply.
- A unique opportunity, unlike anything you have experienced before.
- Flexible timings & work from home
- A friend for life.
What matters to us :
1) Attitude>2) Skill >3) Experience > 4) Degree/College
Objective :
- Primarily software development of iOS.
- Do you want to create best-in-class instant messaging + video streaming applications, together with talented colleagues in a friendly work environment?
- Do you keep on top of all things iOS, and enjoy reading blogs and articles regarding the world of iOS development?
- Are you passionate about the Agile development process and improving the efficiency of the software development process?
-Collaborate closely with other UX designers and product managers, supporting each other to deliver a five-star product.
- Take responsibility for the end-to-end delivery of our mobile apps, APIs, data pipelines, third party integrations and serverless services.
- Take responsibility for the quality and stability of our services, through good testing and monitoring processes.
- Work in a highly iterative and data-driven development lifecycle, releasing MVPs to learn how a new feature is received and used before building on top of it.
- Engage in product and design discussions, contributing ideas for what you will be building.
- Constantly questioning. Why are you building this? How can it be improved? What can we learn from this?
- Adapt quickly to changing requirements and environments; respond to unexpected challenges with a cool head and a positive attitude.
If so, then this is the team you want to join. We care about software craftsmanship, constantly improving our work and ourselves while having fun doing it!
Responsibilities :
- Proficient with Swift and Cocoa Touch
- Experience with iOS frameworks such as Core Data, Core Animation, etc.
- Experience with offline storage, threading, and performance tuning
- Familiarity with RESTful APIs to connect iOS applications to back-end services
- Knowledge of UI/UX standards, Passionate about the product and always striving for great UX
- Understanding of Apple's design principles and interface guidelines
- Familiarity with cloud message APIs and push notifications
- Experience developing cloud applications on AWS, using services such as S3, Lambda, API Gateway, SQS, SQL/ MongoDB
- Strong experience with databases such as SQL, SQLite, MongoDB including how to design table schemas and write performant queries
- Proficient understanding of code versioning tools {GIT}
- Mobile App development using react native framework
- Expert in creating smooth UIs across both iOS & Android mobile platforms
- Leverage native APIs for deep integrations with both platforms.
- Should be able to solve complex technical, scalability or performance challenges
- Maintain code and write automated tests to ensure the product is of the highest quality.
- Follow coding standards, unit testing, code reviews etc.
Ivan Infotech is looking for talented Hybrid developer.
Job Responsibility :
- Develop hybrid mobile application using ionic or react native.
- Manage the complete app development life cycle, which includes Screen Layout development, API integration, Testing and Submission to app stores .
- Experience of building Apps using CLI for Android and iOS. Experience of interacting with Apple Store and Play Store.
- Capability to integrate with third party APIs .
- Should have experience in Front end design and back end coding.
Required Skilled:
- Minimum 1.5 year of year experience hybrid mobile application development.
- Experience with HTML5, CSS3, Angular js, jQuery and Responsive Web Design frameworks .
- Should have knowledge of developing Hybrid Mobile applications using Ionic or React native framework.
- Should have good knowledge in cordova.
Benefit:
- Monday to Friday working.
- Flexible working hour.
- Hassle free working environment.
A. Strong passion for Programming in general and Android App development in specific.
B. Strong problem-solving skills.
C. Strong system design and architecture skills - specifically for android.
D. Curiosity to tinker around, explore new paradigms and strong zest for continuous improvement.
E. Over 4+ years of Android App development experience with strong basics and complete exposure to Android development.
F. Idea/experience of unit and instrumentation testing in Android.
G. E2E App development and/or experience of developing SDKs is good to have.

Overall 0.6-3 years of development experience on Android with Kotlin.
Should have atleat one enterprise application on Google Play Store.
Should be willing to relocate to Pune.







