Найкращі фрилансери
610
Android developer
Jetpack Compose · Custom UI components · Kotlin Coroutines · Model-view-viewmodel (MVVM) · Firebase Cloud Messaging · Android Development · REST APIs · Kotlin · Android Jetpack · Unit Testing · Hilt · Dagger2 · Koin · Room · Realm · MVVM · MVI · MVP · Clean
Розробка під iOS (iPhone та iPad) · Гібридні мобільні додатки
Київ, Україна
Розробник мобільних додатків: створюю нативні, багатоплатформні та крос-платформні мобільні рішення
537
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Java · Розробка під Android
Львів, Україна
Do you want the best? - Here I'm.
246
Back-end Engineer | Android Engineer | Computer Vision | Machine Learing | Kotlin | Java | Python | C# | GCP | AWS | Spring | KMP | SQL/NO SQL | Jetpack Compose
Versatile Software Engineer with an extensive and diverse skill set spanning GCP, Java/Kotlin, Spring Boot, Rest API, SQL/NoSQL DB, Kotlin Multiplatform Mobile, and Jetpack Compose. Proficient in a wide array of programming languages, including Java, Kotlin, Python, and C#. Well-versed in frameworks and libraries such as Spring, Hibernate, ASP.NET, Entity Framework, KTOR, KMP, Retrofit, Dagger, Apache Spark, Coroutines, and many others, showcasing expertise in backend, mobile, and web development.
Backend Kotlin/Java developer, designing API solutions for healthcare applications and implementing efficient data processing using TimeScaleDB. Accomplished in both backend and Android development, contributing to Kotlin Multiplatform Mobile applications and Java/Kotlin desktop/web applications with cloud platform integration and machine learning with Python and TensorFlow.
Proficiency in testing methodologies, including TestNG, JUnit, Mockito, and TDD. Adept at managing databases such as SQL and No SQL.
Open-source contributor on GitHub repositories.Technical SkillsPrimary skills: GCP, Java/Kotlin, Spring Boot, Rest API, SQL/NO SQL DB, Kotlin Multiplatform Mobile, Jetpack Compose Programming Languages: Java, Kotlin, Python, C# Frameworks & libraries: Spring (core,boot,mvc,data,security), Hibernate, ASP.NET, Entity Framework, Kotlin Multiplatform Mobile, KTOR, KMM, Jetpack Compose, Retrofit, Dagger, RXJava 2, Coroutines , Flow, OpenCV, Android-Webview, Tesseract, Apache Spark, Hadoop, Power BI, Flux, Angular CLI Testing skills: Test metrics, test automations approaches, loggers, web services and bug reports (TestNG , Junit, Mockito), TDD and others developer approaches for building a projects, Selenium IDEA, Web Driver Databases Management: MySQL, MSSQL, PostgreSQL, Firebase, JDBC, Influx DB, MongoDB, TimeScaleDB Systems: Windows Servers, Linux/Unix, Mac OS X , Android SDK, Jira GitHub repo: https://github.com/DVBLEX Cloud : Docker, Docker Compose, Kubernetes, Amazon S3 , Heroku and GCP - https://www.cloudskillsboost.google/public_profiles/f1c327e5-cb66-4689-bf79-03d1d7a375c2Work experience
Back-end Kotlin developer at Capgemini Engineering (https://www.capgemini-engineering.com.ua/), June 2023 – Present Provided the full specter of solution for API on Spring Boot with PostgreSQL on Kotlin for Health Care. Created the solution using TimeScaleDB that helps increase data processing on the amount of time and space complexity. Recreated and helped to find a solution for the problem of removing loops that contain complex ices in business logic using Kafka,Keycloak and Fhir Back-end and Android developer at Globallogic (https://www.globallogic.com/ua), January 2022 – May 2023 Kotlin Multiplatform Mobile application for healthcare department of https://www.samsung.com/ The application was built with the latest Android guidelines used to have Jetpack Compose components also Firebase components to manage DB and use Rest API for communicating with other parts of the infrastructure. For the best product was used also Amazon S3 and GCP with ML and voice assistant inside. Developed application on Java/Kotlin - JavaFX/TornadoFX for https://www.verizon.com/ All cores and features were supported in Java and Kotlin Full stack development for desktop and web applications with testing and etc. Client-side communication and fast improvement of product Back-end Java developer at Telclic Ireland(https://telclic.net), April 2021 – December 2021 Developed several applications with Spring stack. My responsibilities were the MVC approach to build business logic and Rest-API for communicating with the front-end. In development, I used to use different approaches for building apps like TDD and others. Also had different ways about projects like: from zero to hero and develop new features for a ready platform like this: https://www.bikeshare.ie Last but not least is the write Unit and other testing and write a little bit of documentation statement. Web, Database, engineer at BMW, July 2019 – March 2021 Managing algorithms and sorting clients and car spare parts. Developing an Android application for local using in company on Java and Kotlin. Backend database using Java and C# for sale used cars: https://ariagroup.com.ua. Developing a DB developed by managed forms 1C and WEB services. Web engineer at Glory to the Nation Foundation, January 2019 – April 2019 Managed forms on C# and connection with MSSQL database. Database engineer at Estella, July 2018 – January 2019 Development of a database for furniture warehouse. Development of three types of applications: computer version, web version and Android application using technology: SQL , C# ,Java, Firebase, ASPNet.Education Bobocode Java Ultimate – August 2023 – March 2024 The leading group of professionals that created the Dependency Injection Container and HTTP Server https://github.com/hoverla-team-2023/HoverlaBring DeepLearning.AI TensorFlow Developer – July 2023 Lviv Polytechnic National University, 2013-2019 Bachelor Degree Field of study “Software engineering” – BS : 72 of 100, Master Degree Program Subject Area “Software engineering” – MS : 75 of 100. English Skills : Intermediate ||B1|| 55 of 100.
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152
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142
Vladyslav Ripskyi
Java Developer
Student of IFNTUOG, also finished three semesters in ITStep Academy and whole fee-based online course javarush.ru. Java is my favorite and mostly self-taught, knowledge gained from previously mentioned course and books "Head First Java", "Effective Java (3rd edition)".
Ivano-Frankivsk, Ukraine
linkedin.com/in/vladyslavripskyi
github.com/vladrip
EDUCATION
Software Engineering IFNTUOG 01/2020 - Present, Ivano-Frankivsk, 15 Karpatska Street Basics on C, C++. Java, PostgreSQL. Software Engineering ITStep Academy 12/2020 - Present, Ivano-Frankivsk, Novgorodska, 49/406 Cisco IT Essentials v7.0. C++, C#, WPF. TSQL, MS SQL server. Web (HTML, CSS, JS...). SKILLS
Java SE 11 Core ★ ★ ★ ★ ★
Java Files and I/O, Collections ★ ★ ★ ★ ★
Java Multithreading ★ ★ ★ ☆ ☆
Swing, JavaFX, Android Studio ★ ★ ★ ☆ ☆
SQL, PostgreSQL, TSQL ★ ★ ★ ★ ☆
PERSONAL PROJECTS
EZCounter for exams (12/2021 - 02/2022)
My first experience in Android development using Java. Main achievement - using activities with result launcher
Deep Rock Galactic Assistant (02/2022 - 04/2022)
More complex UI, used RecyclerView, Webview, factory pattern, inner classes, fragments, navigation panels
CERTIFICATES
IT Essentials v7.0 (Cisco) (05/2021 - Present)
MS SQL Server Programming (Microsoft Imagine Academy) (05/2022 - Present)
FCE level B2 (Cambridge) (01/2020 - Present)
LANGUAGES
Ukrainian Native or Bilingual Proficiency
Russian Native or Bilingual Proficiency
English Full Professional Proficiency
INTERESTS
Android Development
ML/AI Development
Kotlin
Python · Пошукове управління репутацією (SERM)
Київ, Україна
⭐⭐⭐⭐⭐ SaaS | Web Development | Mobile Development | ChatBot Development
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Що ми можемо для вас розробити?
· Mobile development (Android & iOS)
· Web development
· SEO, ASO, SERM (ORM)
· SaaS
· CRM
Які технології ми Використовуємо?
Веб-розробка бекенд:
Python, Django, PHP, Laravel, Yii2, Go, Flask, Node.js, Розробка ботів (Telegram, Discord, Viber, WhatsApp)
Веб-розробка фронт:
JavaScript, JQuery, Vue.js, React Native, HTML5, CSS3, Cross Browser, Adaptive/Responsive,
База Даних:
MongoDB, PostgreSQL, MySQL
Інші технології:
Memcached, Celery Redis, RabbitMQ, Rest API, XML-RPC, WebSocket, WebRTC, Long Polling, Server Side Event, Data Science, Machine Learning
Робота з АРІ:
Google API, Fb API, Tw API, Linkedin API, Instagram API, Telegram API
Робота з платіжними системами:
PayPal, MultiCards, Statutory Sick Pay (SSP), CoinGate, CoinPayments
DevOps:
Docker, Ansible, Google Cloud, AWS, CI/CD, Kubernetes, Розробка Архітектури
Контроль версій:
GitHub, GitLab
Маркетинг:
SEO (Profit & loss, ROI, KPI), Product SEO, Affiliate SEO, E-Commerce, SEO SaaS, SEO B2B, SEO B2C, SEO Project Management, SEO Interviewing, Strategic planning, SERM, ASO, SEO Audit, SEO Optimization, SEO Consultant, PBN, LinkBuilding, Outreach, Copywriting (eng) )
Location WorldWide, Search Engine - Google, Language All.
Niches: Amazon Affiliate, Parental control, E-commerce, Binary Options, Hack, GPS tracking, Trading, Casino, Payday Loans, Medicine, 21+
Деплой проекту в інтернет (повний цикл)Також по всьому що написано вище надаємо консультації.А також, координація фронту і бека, допомога в скриптуванні всього, архітектура і технічне дослідження і налаштування.
Зацікавило? Пишіть в ЛС, будемо обговорювати співпрацю
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Сертифікований Спеціаліст по Платформі 1С 8.2
Розробка програмних рішень для малого та середнього бізнесу на базі Платформи 1С 8:
Управлінський і складський облік, ціноутворення, валютні розрахунки; Розробка конфігурацій для продажного бізнесу, інтеграція з сайтом на Opencart, Magento. Написання API; Впровадження обліку для бізнесу з надання послуг; Розробка складних аналітичних звітів; Розробка конфігурацій рівня підприємства та інтеграція з мобільними додатками;Професіонал по типових рішеннях:
Бухгалтерія 8 для України; Управління Торгівлею для України; Управління Торговим Підприємством; Управління Виробничим Підприємством; Зарплата і Управління Персоналом;
Android App development:
1. Java, Kotlin; MVP, MVVM, Clean Architecture;
2. RxJava2, Loaders, Coroutines;
3. Room, Realm, SugarORM, SQLite;
4. Retrofit, GSON, SimpleXMLConverter;
5. Custom Views, Material Design;
6. Firebase Cloud Messaging, Realtime DB, OAuth, Firestore, Firebase Hosting;
7. Integrating apps with Magento, Opencart, WooCommerce, 1C via SOAP & REST API;
8. WebRTC client, Wowza;
9. Arduino, BLE devices connect&manage implementation;
Java powered Enterprise and Web Applications:
Enterprise Java Beans, Servlets, JSP, JSF, JMS, CDI, AJAX; Spring Boot, Spring MVC, Spring Data; Hibernate; Developing SOAP and RESTful Web-Services, XML and JSON processing; Bootstrap, responsive Web; PrimeFaces; Glassfish, Apache Tomcat; Intellij IDEA, NetBeans.
230
Academic Background
National Technical University, Vinnitsa, Ukraine
Specialty: Telecommunication Systems and Networks
Degree: Bachelor’s degree
Experience
03.04.19 – Present – Android Developer in ”Smart.Exe”
Skills
· Good knowledge of the OOP;
· Knowledge of the collections;
· Good knowledge of the activity lifecycle;
· Good knowledge of the SOLID principles;
· Good knowledge of the Android application development platform (intents, broadcast receivers, content providers);
· Good knowledge of the User Interface principles for Android;
· Good knowledge of the principles of organization of resources for Android apps;
· Good knowledge of the networking and Web Services;
· Knowledge of the architecture patterns (MVC, MVP, MVVM);
· Understanding of the Material Design principles for Android;
· Creation of applications for different screens resolutions / sizes;
· Experience with server Json / Xml REST API.
Technologies: Java, Kotlin, Android SDK, JSON, XML, REST API, Retrofit2, MVP, MMVM, Gradle, Realm, Room, RxJava, JWT, Sentry tracking, Firebase, LiveData, Flow, Coroutines, adapter delegate, WebView getting and transfer data to JS. ATM device API
Languages
Ukrainian - native
Russian - native
English – intermediate
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Intelligent and hardworking Android Developer with background of 5 years of programming training and 2 years of commercial experience. Experienced in C, C++, C#, Python, JavaScript, Desktop Java Development before Android Java/Kotlin. Skilled in working under pressure and with deadlines (two times participated in All-Ukrainian Programming Olympiad and been freelancer for a while). Back in high school I succesfully tried work in team (programming team olympiads and programming tournaments). The most important character trait is desire to learn.
Some of my projects: https://play.google.com/store/apps/details?id=com.binaryoptions.marketsignals https://play.google.com/store/apps/details?id=pl.audiotour.cet