Enhancing App Performance for Increased Revenue: A Verified Technical Optimization Guide
In today's competitive digital landscape, the success of a mobile application heavily relies on its performance. Users have increasingly high expectations when it comes to app responsiveness, speed, and overall user experience. A slow or poorly optimized app not only frustrates users but also impacts revenue potential, as users are more likely to abandon sluggish applications in favor of faster alternatives. Therefore, optimizing app performance is not just a matter of user satisfaction but also a crucial aspect of maximizing revenue.
This article aims to provide a verified technical optimization guide to help app developers enhance performance and, subsequently, increase revenue.
Identify Performance Bottlenecks: The first step in optimizing app performance is to identify the areas that need improvement. This can be achieved through comprehensive performance testing and analysis. Tools like Firebase Performance Monitoring, New Relic, or custom-built performance monitoring solutions can help track key performance indicators (KPIs) such as app launch time, response time, CPU usage, memory usage, and network latency.
Optimize App Architecture: A well-designed app architecture can significantly impact performance. Utilize architectural patterns like Model-View-ViewModel (MVVM) or Model-View-Controller (MVC) to ensure separation of concerns and efficient data flow. Consider implementing lazy loading techniques to load resources only when necessary, reducing initial load times.
Minimize Network Requests: Excessive network requests can slow down app performance, especially in scenarios with poor network connectivity. Minimize unnecessary API calls by implementing caching mechanisms to store frequently accessed data locally. Utilize techniques like batch processing and prefetching to optimize network utilization and reduce latency.
Optimize Images and Media: Images and media assets are often significant contributors to app size and loading times. Use image compression techniques to reduce file sizes without compromising quality. Implement lazy loading for images to defer loading until they are visible on the screen, thus improving initial load times. Consider using next-generation image formats like WebP to further reduce file sizes.
Memory Management: Efficient memory management is crucial for maintaining optimal app performance, especially on resource-constrained devices. Identify and eliminate memory leaks by using memory profiling tools provided by platforms like Android Studio or Xcode. Implement strategies such as object pooling and lightweight data structures to minimize memory footprint.
Optimize UI Rendering: Smooth and responsive user interfaces are essential for a positive user experience. Optimize UI rendering by minimizing layout complexity, reducing view hierarchies, and utilizing hardware acceleration where applicable. Implement techniques like RecyclerViews on Android or UICollectionViews on iOS for efficient handling of large datasets.
Background Processing Optimization: Background processing tasks, such as syncing data or performing computations, should be optimized to minimize impact on foreground app performance. Utilize platform-specific background processing APIs and prioritize tasks based on their importance and resource requirements. Implement strategies like job scheduling and batch processing to optimize background task execution.
Continuous Monitoring and Iterative Improvement: App performance optimization is an ongoing process that requires continuous monitoring and iterative improvement. Set up performance benchmarks and regularly track KPIs to identify performance regressions. Actively solicit user feedback and monitor app reviews for performance-related issues. Incorporate performance optimization tasks into the app development lifecycle to ensure consistent improvement over time.
By following this verified technical optimization guide, app developers can enhance app performance, resulting in improved user satisfaction and increased revenue. In today's competitive app market, investing in performance optimization is not just a best practice but a strategic imperative for long-term success.
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Android Developer resume in Danbury, CT
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Professional Summary
* ***** ** ******* *** software/IT.
* **** ** **** *****.
* **** ******* ** ********/IT within a corporate setting.
Kotlin programming development experience.
Java programming skill.
Develop rich application UIs with strong UXs that follow Android design guidelines.
Hands-on with middleware and integration with different web services and message exchanges (e.g., SOAP, REST, XML, JSON) Experience with all the usual stuff (multi-threading, integration with REST APIs, view animations, custom transitions, multi-threading).
Ability to ask the right questions, provide feedback to stakeholders, break down tasks, and create a plan to achieve the intended result.
Architectures include MVVM, MVP, MVC.
Strong understanding of the Android framework, best practices, and design patterns.
Knowledge and experience using payment gateways/systems.
Apply OOP design patterns such as Façade, Abstract Factory, Builder, Singleton, Observer, Protocols, Delegation, etc.
Keep abreast of industry trends and technologies, being prepared to apply them quickly.
Experience with Android apps with networked data from content management systems.
Experience with Android Media Player API and ExoPlayer in streaming audio and video.
Strong knowledge in Android multithreading frameworks: AsyncTaks, IntentServices, Handlers, Threads, Runnables, Loopers.
Experience using GIT/GitHub for Source Control.
Work with various integrated development environments (IDE)/frameworks, including Dagger2, Bluetooth, Android Studio, Eclipse, Android Annotations, Robotium test framework, Espresso test framework, Mockito, SpongyCastle cipher suites, Jenkins, JUnit unit testing, and Visual Studio App Center.
Experience working with tablets, phones, smart TVs and more recently Android Smart Watches.
Experience with messaging in Android apps.
Practical implementation of Android Life Cycle, Fragments, Intents, Threads on Android, binding services, Implicit and Explicit Intents, background processes, sync adapters, Activity, Activities for Result, WebView, ImageView, TextView, RecyclerView, ListView, etc.
Technical Skills
Android Tools – Push Notifications, Mixpanel, Services, Loaders, Ion, Urban Airship,ORMLite, ButterKnife, MediaPlayer, RxCache, Spork, Runtime, JUnit, ZXing, EventBus, RecyclerView Animator, Mockito, Espresso, CoordinatorLayout, Content Providers, Support Libraries, Robolectric, Retrofit, XmlPullParser, RoboGuice, Glide, Picasso, RxJava, Volley, Gradle, Logger, animations, VidEffects, Retrolambda, MonkeyRunner, Dagger, JobScheduler, GreenDAO, Otto, AndroidAnnotations, Protobuf, Answers, MPAndroidChart
Languages – Java, Kotlin
Authoring IDE – Android Studio, Eclipse
Content Integration – REST, SOAP, JSON, XML, GSON, Jackson, Moshi, Content Providers, Android Media Player API, ExoPlayer for Streaming Audio/Video
Architectures – MVC, MVP, MVVM
Dependency Injection – Hilt, Dagger
Databases – SQLite, SQL, Oracle, Firebase
Team Tools – JIRA, Jenkins, Git, SVN,
Old Android – Intents, Loopers, Loaders, NineOldAndroids, ListView, AsyncTask, Volley
Tuning – Leak Canary
Google – Google Analytics, Google Maps, Google API, Google Cloud Messaging
Professional Android Work Experience
08/2021
– Present
Android Software Application Developer
Union Savings Bank, Danbury, CT
https://play.google.com/store/apps/details?id=com.mfoundry.mb.android.mb_957&hl=en_CA&gl=US
Available to all Union Savings Bank consumer online banking customers. Union Savings Bank Mobile allows you to check balances, make transfers, pay bills, make deposits, and find locations.
Used Hilt for dependency Injection.
Used Postman to interact with client custom APIs.
Implemented recycler views with cardviews to display data in the most efficient way.
Interacted with the whole Jetpack library.
Programmed code in Kotlin language to perform Restful API calls for bank transfers, budgeting, and digital receipts user stories using Coroutines, Retrofit, and Data Binding in MVVM clean code architecture.
Implemented Jetpack Compose to create small reusable composables to describe UI by calling a series of functions that transformed data into a UI hierarchy and defined Data flow principles in Compose.
Refactored Android Support libraries to be compliant with Android 11 and JetPack, such as android.preference to androidx.preference.
Integrated multiple third-party libraries like: Glide, Retrofit, RxJava and Dagger 2.
Used Slack and Microsoft Teams for communication
Implemented Safety Net Attestation API and SafetyNet reCAPTCHA API to determine if it is rooted/tampered, and implemented strong DRM checks and protect app from spam.
Improved login feature of the app using OAuth library for token-based authentication and Biometric API.
Wrote instrumentation tests and UI tests using Espresso.
05/2020
– 08/2021
Android Application Developer
Coldwell Banker Real Estate, Madison, NJ
https://play.google.com/store/apps/details?id=com.myzap.cb&hl=en_CA&gl=US
With the Coldwell Banker® app, you’re not just choosing a home. You’re choosing a lifestyle. We know that’s a big decision. So we bring you the most up-to-date and accurate information on homes in your area, instant updates when new homes hit the market, and details about local neighborhoods – and we connect you with a real estate professional who’s prepared to help you find just what you’re looking for.
Used Jetpack navigation graph, pagination and Jetpack compose to develop view model, view and data domain layers for the tickets to complete full feature development.
Utilized a MVVM architecture using Android Jetpack Components.
Incorporated Facebook SDK and Twitter API for logging, posting and share experiences of the Android app and the service for marketing.
Implemented analytics using Firebase analytics framework to track user behavior in app.
Implemented Google Maps for location search with the Google Location APIs.
Integrated multimedia material and live streaming video, decoding, and playback
Profiled the app using instruments to see performance leaks, memory optimizations and battery use.
Wrote instrumentation tests and UI tests using Espresso.
Ensured code quality writing Unit Tests using JUnit, Mockito and PowerMock frameworks.
Created custom UI components for consistent UX across companies’ internal Android applications and for reusability making the development process faster and smoother.
Created custom libraries for internal network calls for security purposes.
Used recycler views & populated lists to display the lists from database using recycler view adapters as the most efficient method.
Used Bitbucket as the version control tool to commit and update the project from the server.
06/2018
– 05/2020
Android Developer
Prudential Financial – Newark, NJ
https://play.google.com/store/apps/details?id=com.prudential.android.RetirementParticipant&hl=en_CA&gl=US
Take control of your financial future – anywhere, any time with the Prudential app. Enroll in your 401(k) or 403(b) to easily manage your money, track your savings progress, access insights and tips designed to help you achieve financial wellness, and much more.
Generated build on MVVM architectural base.
Worked in Android Studio with Kotlin coding in the development of Android mobile app features and functions.
Added encrypted environment configuration with sessions and user login using SharedPreferences.
Utilized AndroidPlot API in different places to chart multiple data from server.
Implemented Kotlin coroutines to perform asynchronous operations as part of the Network Api layer.
Used Intents and Intent Filters to initiate activities and pass information between Activities and Fragments.
Debugged code to support multiple screen sizes and created multiple layout qualifiers.
Created custom views to reduce project overhead can increase reusability of code in multiple places.
Created push notifications message from Firebase console and debugged message received from Firebase console.
Implemented Kotlin scope functions to perform serialization process and increase readability in the code.
Used Git for version control for managing and integrating source code with other team members.
Modularized the existing customer payment authentication flow and integrated/implemented an additional external SDK which helped authenticate customer’s payment details.
04/2017
– 06/2018
Android Developer
Victoria’s Secret, Columbus, OH
https://play.google.com/store/apps/details?id=com.victoriassecret.vsaa
Welcome to the Victoria’s Secret app, your on-the-go destination for the world’s most famous bras, panties, lingerie, sportswear, swimsuits, beauty, accessories and more.
Implemented new features in Kotlin and converted some existing Java classes to Kotlin.
Implemented observable data patterns using JetPack LiveData to make server data observable.
Participated in code review and reviewed code carefully before approving.
Practiced pair programming as part of collaborative project development/delivery strategy.
Utilized Android SDK and supporting development devices.
Utilized Charles Proxy to understand and detect issues in payload or provide feedback to engineers and QA.
Applied a MVVM architectural base.
Added a new credit card with camera card scanner for quickest checkout, push notifications to alert as soon as sales start and remind when they’re ending.
Included Stripe Billing APIs to create and manage invoices and recurring payments and create fixed-price subscriptions with Elements.
Performed code migration from Java to Kotlin and implemented null safety checks, higher order functions, extension functions, coroutines support and KMM.
Worked with testing libraries and frameworks Junit, Espresso, and Mockito.
Created Repository pattern to abstract connections between local databases and On-Site endpoints.
Created abstract classes to define common behavior across the application and utilizing extension function from Ktx plugin to consolidate common operations like getCurrentTime and parseDate.
Used Coroutines and Schedulers for long running and background tasks.
Integrated with Google Maps.
Encrypted and decrypted the shared preference data with the AndroidX Security Library.
Utilized Room database for shared preferences for storage and caching.
04/2016
– 04/2017
Software Developer
Emerson Electric, St. Louis, MO
Analyzed and interpreted business requirements to define and develop technical requirements.
Programmed in Java and C++.
Wrote scripts using JavaScript.
Modified multiple scripts written in JavaScript.
Wrote new functions and modified existing functions.
Interfaced directly with customer technical personnel to support and service installed systems.
Contributed towards product/process improvements, both from a technical perspective and user experience/functional perspective.
Supported post-implementation issue resolution and deployment within the production environment.
Established communications interfacing between software programs and database backends.
Education
Kettering University (Bachelor’s in Computer Science)
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