Android App Developer (Java/Kotlin)

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

Role: ANDROID DEVELOPER

What you’ll do?

• Design and build advanced applications for the Android platform
• Collaborate with cross-functional teams to define, design, and ship new features
• Work with outside data sources and API's
• Unit-test code for robustness, including edge cases, usability, and general reliability
• Work on bug fixing and improving application performance

What Makes You A Great Fit?

• Have published one or more android apps on the Play store
• At least 3 years of experience in Android app development
• Strong knowledge of Android SDK/ NDK, different versions of Android, and how to deal with different screen sizes
• Familiarity with RESTful APIs to connect Android applications to back-end services
• Solid understanding of Object Oriented programming, data structures, algorithms and relational database
• Strong knowledge of Android UI design principles, patterns, and best practices
• Experience with offline storage, threading, performance tuning and firebase services
• Ability to design applications around natural user interfaces, such as touch
• Knowledge of the open-source Android ecosystem and the libraries available for common tasks
• Proficient with Java and Kotlin (including coroutines)
• Preference for good experience in the gaming industry, but experience in the B2C app is a must
• Knowledge of code versioning tools, such as Git, Bit bucket
• Familiarity with continuous integration
• Excellent work ethic and attention to detail
• Collaborative mind set

At Cityflo, we are solving the problem of commuting to the office which affects employees in big, populated Indian cities every day. Cityflo provides a bus experience like no other - we run premium AC buses for daily commuters.  We’re changing the way urban Indians commute and enabling everyone to reclaim hours of their time every day. Before the imposed lockdown due to coronavirus, we were serving about 7500 commuters per day. We plan to scale to 5,00,000 rides per day in the next 4 years in a profitable and sustainable manner.

We're looking for people who are passionate about creating great Android applications.
You've been around for a few API levels and you know how to delight Android users. You’ve got an eye for the beautiful Android design our users expect and an attention to detail down to the very last dpi. You know your way around the View hierarchy and are eager to partner with Product and Design to craft efficient, performant, and delightful user experiences. You like building for the long term and value patterns and structures that allow for maximum flexibility in a constantly evolving product.

You can read more about our engineering and culture on our blog: https://blog.cityflo.com/tag/engineering/" target="_blank">https://blog.cityflo.com/tag/engineering/

What you should have:

• At least three years of engineering experience, a large portion of which in a team environment
• Bachelors/Masters degree in Computer Science, Engineering, or a related subject.
• Strong computer science fundamentals: data structures, algorithms and programming languages
• Experience working closely with product teams, designers, and other developers to create a truly delightful mobile experience
• Familiarity with design concepts and constraints on mobile platforms.
• Extensive understanding of Android framework components and their respective lifecycles
• Experience developing highly performant Kotlin code and view layouts and the ability to diagnose performance bottlenecks
• A disciplined approach to development, testing, documentation and code structure in a team environment
• Familiarity with the Android tool ecosystem for development, testing, debugging, and performance benchmarking
• An excellent understanding of best practices for concurrency and threading
• MVVM design architecture pattern for android.

Preferred skills:

• Open Source contributions & participation in programs like Google Summer of Code are a plus.
• Have published one or more Android apps on the Play Store.
• Dependency injections: Dagger, Koin.
• Multi-threading and coroutines in Kotlin/Rxjava.

Mandatory: Hands on experience working with Java or Kotlin. Very strong logical skills. Good hold on operating system concepts and data structure. Experience with web services , SQL Lite , camera kit , image caching concepts, keychain , past experience working with one of the design patterns like MVC / MVVM / MVP , network check implementation.

Good to have:  Rx-Swift experience , video / image filter experience , media player usage , complex UX effects , couch-db , RealM.Knowledge of GIT management , Continuous Integration and Continuous Development practices.

Soft Skills: Strong communication skills , high spirited , eager to learn , able to perform in a high pressure environment