Dacian Florea

The client, one of the biggest pillars in the robotics industry, was slowly losing users and implicitly experiencing considerable financial losses due to a dissatisfactory UI interface, an unorganized UI architecture, and critical bugs.

• Increased credibility in front of the end-user three times and implicitly increased revenue by implementing new, highly requested features by creating the UI, integrating it with a video playback SDK, and getting the information from the server to enhance the AI training.

• Increased the number of users by 17% by optimizing the user interface by actively researching the material design guidelines and using the Android UI components to refresh the UI.

• Ensured 100% stability of the application by building a rock-solid front-end infrastructure by active bug fixing and code rewriting.

Skills: Kotlin, Android, MVVM, RxJava, Dagger, Retrofit, background services, SharedPreferences, Android Navigator, JUnit, ExoPlayer, Jira, Agile, and Git.

The client, an Australian company that keeps users informed about fire danger zones through an app, dealt with decreasing user numbers and implicitly low revenue due to a terrible UI experience, lack of reliability, and various critical bugs.

• Drastically increased the profit margin by 47% and the user reach from 350 to 500 active users per month by developing a highly intuitive user interface by creating an interactive map of Australia where users could easily choose their regions of interest.

• Successfully increased the reliability of the fire danger zones by 67% by creating a rock-solid infrastructure by doubling the number of data servers that provide details about the fire zones and creating an efficient algorithm for fetching data.

Skills: Java, Spring Boot, AWS, MVC, Android, Kotlin, iOS, Swift, MVVM, App Store, Google Play, Google Maps API, data scraping, cron jobs, premium features, and Git.

A cross-platform application made in Flutter for rewarding employee loyalty. Users can join campaigns, follow them, and add proof of the requirements. If what they did was commendable, they would get reward points on their virtual card. I developed the entire mobile application myself.

The client, an outsourcing company looking to create its product, decided to optimize the workflow of food delivery drivers to help with order management. However, the company lacked knowledge in background location tracking on cross-platform frameworks.

• Assured a 100% successful application release by validating it with clients in Bucharest and Cluj-Napoca. I promptly built an easy-to-use, cross-platform mobile application by leading a fast-paced, front-end team consisting of one more developer and two QAs. I kept a close relationship with the client and the back-end team.

• Reduced bug incidents by more than 83% by designing a rock-solid testing infrastructure. I created rules to unit-test each piece of code before merging it and set up GitHub to only allow merges after all unit-tests passed.

Skills: Flutter, platform channels, Painters, animations, unit testing, Flutter Driver, GitHub Actions, Bash, Fastlane, App Center, iOS, Objective-C, Android, Kotlin, CI/CD, Google Maps SDK, and Scrum.

PlaySpot was created to help people earn more money by watching ads and playing games. While the user plays the recommended games, they collect more points, and when they reach the required amount, it can be withdrawn.

My work focused on bug fixes and changing the UI based on an API response.

The client, an up-and-coming entrepreneur, was looking to turn his idea of an emotion-based dating app into reality but lacked the necessary technical skills to make it happen.

• Assured a 100% successful release on iOS and Android by creating a catchy front-end mobile application. I kept a strong relationship with the client and back-end team to accurately implement the design.

• Secured a spot in the top 50 startups at the US Techcrunch by developing a unique application based on emotions by creating a solid database with client data and a custom matching algorithm to connect the users.

Skills: Flutter, Dart, MVVM, DIO, dependency injection, Bash, Fastlane, App Store, Google Play, TestFlight, particle effect, app lifecycle, Sockets, Pusher, instant messaging, UXCam, Firebase Analytics, and Firebase Crashlytics.

The client, a German company heavily involved in the cycling industry, faced severe financial losses due to severe bugs in their mobile application regarding location tracking service and a lack of support for integration with other products from the sports industry.

• Assured 100% reliability of the mobile application cycling data by successfully building a custom solution that integrates a background location tracking library by customizing it for the project's needs.

• Increased user numbers by 2,000 in the first month by thoroughly researching the industry solutions and implementing a custom-tailored solution to integrate Apple Health and Google Fit inside the application.

Skills: Android, Kotlin, background services, location tracking, Flutter, platform channel, iOS, Objective-C, Dart, Swift, local persistence, push notifications, Jira, and Git.

The client, having a strong interest in personal development, wanted to create a lifestyle app with students as their main target but lacked the technical skills to turn it into reality.

• Assured a 100% successful launch by being in a close relationship with the client and back-end team to deliver the best solution by implementing a custom text editor and sliders.

• Reduced handover time from three to ten days to less than two hours by preparing thoroughly detailed documentation and developing a well-structured and clean solution, using the MVVM architectural pattern and a single responsibility principle.

• Reduced development costs by 40% by proposing and succeeding in developing a cross-platform solution for iOS and Android using the Flutter framework.

Skills: Flutter, MVVM, REST API, Swagger, App Store, Google Play, Firebase Analytics, Firebase Crashlytics, Flutter Painter, and Git.

The client, a well-known German media company, was struggling to develop an innovative, video-based news application but could not fulfill such a vision due to lacking the technical expertise required to make it happen.

• Enabled three-time better visibility over statistics than the initial plan by integrating a highly accurate tracking and statistics overview board by integrating a tracking library compatible with every UI screen.

• Increased app stability by over 73% in the released version compared to the alpha version and assured zero failure points by designing a rock-solid codebase by following MVVM architecture, clean code principles, unit-testing patterns, and carefully managing the memory usage.

Skills: Kotlin, Android, MVVM, Leak Canary, Coroutines, Flows, Live Data, Hilt, Retrofit, Secured Shared Preferences, ROOM, Android Navigator, JUnit, BitMovin Player, Background playback, Tealium Tracking, Google payments, Multi-module architecture, Clean code, Jira, Agile, Git

The client, having a strong interest in teaching children financial education, wanted to build a mobile application where children could browse for actual products and ask their parents to buy them. Still, they could not produce it due to their lack of technical expertise.

• Increased the list of available products by two times, designing a custom-tailored solution that successfully integrates both Amazon and Walmart products list specific to children's needs.

• Increased the speed of displaying the product data on the devices by three times, developing a well-structured caching solution by linking multiple data sources and user searches for a custom-made solution.

Skills: Flutter, Dart, MVVM, RxDart, Dio, Retrofit, Dependency Injection, JSON, Bash, Fastlane, AppStore, Google Play, TestFlight, Firebase, Jira, Swagger, RestAPI, Java, Spring Boot, MySQL, OAuth2, Amazon API, Walmart API, Caching

The client, one of the biggest pillars in the logistics industry in Germany, was
struggling to create a solution to help their employees remotely via their mobile devices but could not fulfill their vision due to the lack of technical knowledge.

• Led a team of four developers

• Delivered a reliable solution for remote controlling any device that reduced user interaction by 99% by integrating the WebRTC library with push notifications and accessibility service.

Skills: Android, Kotlin, MVVM, Leak Canary, Coroutines, Flows, Hilt, Retrofit, Secured, Shared Preferences, Background services, Push Notifications, Jira, Agile, Git, Android, Enterprise Management, Google MDM, WebRTC, Screen Sharing, Unattended, Remote Control, Unattended File Synchronization, Accessibility Service