Oleksii Sen

Senior

Registration: 28.10.2022

Specialization: Flutter Developer

— I am a Senior Flutter Developer with over 7 years of experience in mobile application development. — Throughout my career, I have consistently taken the lead in developing applications from scratch, ensuring robust architecture and seamless user experiences. — Additionally, I have mentored and guided junior developers, helping them to grow and contribute effectively to projects.

Firebase rest api Flutter Swift http Objective-C

Portfolio

Customertimes

● Development and maintenance of a project that serves the combined health information technology and clinical research industries using Bloc architecture and Salesforce CRM.

Bvblogic

● Development of a mobile application from scratch for the inspection of real estate for iOS and Android platforms using Bloc architecture. Enterprise mobile application in the field of Real Estate: ● The application was developed by me from scratch using Flutter framework and Bloc architecture for two platforms iOS and Android. ● This mobile application is designed to inspect a property before selling it. ● This is a corporate application and is not available to everyone in the App Store and Play Market.

Otakoyi

● Development of a mobile auction application from scratch for US lawyers with validation of their licenses for iOS and Android platforms used BLOC architecture. Auction for lawyers from the USA: ● The application was developed by me from scratch using Flutter framework and Bloc architecture for two platforms iOS and Android. ● The mobile application has a complex form of registration and validation of licenses from the open API of the registry of lawyers. ● All lawyers who have been registered can participate in cases in all states of America for a certain fee. ● This app is only for verified lawyers.

Skills

Bloc

Dio

Firebase

Flutter (Dart)

Hive

Http

Provider

REST API

Swift

Work experience

Senior Flutter Developer

since 12.2022 - Till the present day |HBM

Flutter, Dart

Senior Flutter Developer

06.2021 - 09.2022 |Customertimes

Flutter, Bloc, Provider, Firebase, Dio, Http, Hive

● Development and maintenance of a project that serves the combined health information technology and clinical research industries using Bloc architecture and Salesforce CRM.

Flutter Mobile Developer

02.2021 - 06.2021 |Bvblogic

iOS, Android,Flutter, Bloc, Provider, Firebase, Dio, Http, Hive

Flutter Mobile Developer

02.2020 - 09.2020 |Otakoyi

iOS,Android,Flutter, Bloc, Provider, Firebase, Dio, Http, Hive

Mobile Developer

06.2017 - 02.2020 |NDA

iOS , Swift , Flutter, Bloc, Provider, Firebase, Dio, Http, Hive

● The complete development cycle of mobile applications for iOS in the Swift programming language, including the creation of a design in Sketch, the writing of code using the MVC and Clean Swift pattern and publication of the application in the AppStore. ● Moved on the cross-platform development on Flutter (Dart). Family Flowers. Floristic Studio with delivery in Kharkiv: ● A mobile application was developed for two platforms in Flutter framework: Android and IOS. ● Including development of design, architecture, coding and publication in the Play Market and App Store. ● The application belongs to the field of e-commerce, and has a full basket functionality with an intuitive interface. ● The project was implemented using the technologies of iCloud Functions, Firestore, Firebase Storage, Firebase Cloud Messaging and other advanced technologies. Cyprus Travel Audio Guide: ● The application was created with localization in two languages. ● It contains audio tours for tourists as well as an offline map and routes with geolocation. ● The design was created in the Sketch and the following technologies were used: Firebase, CoreData, geoJson,GPX, Mapbox… ● The Cyprus Guide was published in the AppStore.

iOS Developer

01.2017 - 04.2017 |Soft Group

Objective-C, Swift

● Development of mobile applications for iOS in the programming language Objective-C and Swift. Delivery of food and flowers in Ukraine: ● A mobile application where you can order food or flowers with delivery. ● The application was published in the AppStore and Play Market.

Sales Manager

2014 - 2016 |Alsen water technology

Sales

● Sales of water purification equipment.

SEO Manager

2012 - 2014 |Alsen water technology

SEO, Optimization

● Optimization and promotion of sites.

Software Engineer

2008 - 2012 |Alsen water technology

Software Development

● Website development. ● Programming of water purification controllers.

Head of Sales Division

2008 - 2008 |Sales

New oil and gas technologies

● Supply of equipment for the automation of technological processes and commercial accounting of oil and gas.

Software Engineer

2007 - 2007 |Plant JBK

Programming, Maintenance

● Programming of SIEMENS logic controllers. ● Maintenance of automated process control systems.

Educational background

Computer Enineering And Management (Masters Degree)

2002 - 2007

Harkiv National University Of Radio Electronics

Languages

RussianAdvancedEnglishUpper IntermediateUkrainianAdvanced