Hello. I'm an AI engineer, full-stack iOS/Android/PHP/JavaScript/TypeScript/React/React Native developer and problem solver with more than 17 years of experience iOS/Android/PHP/JavaScript/TypeScript/React/React Native developer and problem solver with more than 17 years of experience. Specializing in MERN and LAMP stacks, artificial intelligence (AI). I embrace modern AI-powered development workflows using tools like ๐ค Claude Code, ๐ง Cursor and ๐ Windsurf IDEs.
What I do: ๐ฑ Mobile apps, ๐ฅ๏ธ Desktop apps, ๐ Websites, โ๏ธ Web services, ๐จ๐ปโ๐ป Admin Backends, ๐งฉ API for them, ๐ค ChatGPT integrations. I embrace modern AI-powered development workflows using tools like ๐ง Cursor IDE and ๐ค Claude Code.
Kinds of software I've created: ๐๏ธ Shopping & online stores, ๐ Sports, ๐ฎ Games, ๐ง Medicine & well-being, โ๏ธ Travel, ๐ฐ Bank systems, ๐ฃ Ad networks, ๐ก๏ธ Insurance, ๐ฌ Landing pages.
I have strong skills in the following programming languages: ๐ TypeScript, โ JavaScript, ๐ฆ Swift, ๐ฏ Objective-C, ๐ PHP, ๐ฑ Kotlin, โ Java.
Frameworks and technologies: ๐ฆ Deno & Node, โ๏ธ React, โ๏ธ React Native, ๐ค ChatGPT API, ๐ฎ Anthropic AI API, ๐ป Zustand, โ๏ธ Electron, ๐ Redux, ๐ Redux Toolkit, ๐ Nest js, ๐ ฝ Next js, ๐ Vue, ๐ Fastify, ๐ฅค Fresh, ๐ ฐ Apollo GraphQL Client and Server, ๐ Relay, ๐ ผ MobX, ๐ณ Koa, ๐ ด Express js, ๐ GraphQL, ๐ Swagger, ๐จ Tailwind, ๐ฆ SwiftUI, ๐ฅ Lottie Files, ๐ฅค Cocoa Touch, ๐ฅฅ Cocos2D, ๐ ป Laravel, ๐ต Symfony, ๐ YII and YII2, ๐ฅ CodeIgnitor, ๐ Zend Framework, ๐ CoreLocation, ๐ฅ CoreAnimation, ๐ Apple HomeKit, โค๏ธ Apple HealthKit, ๐ฐ Superwall.
Databases: ๐ Mongo, ๐ฌ MySQL, ๐ชถ SQLite, ๐ Watermelon DB, โก๏ธ Supabase, ๐ฅ Firebase, ๐ Postgres, ๐ TypeORM, โก๏ธ Doctrine, โช DynamoDB/PartiQL, ๐ด Oracle, ๐ ฒ CoreData, ๐ฃ Realm.
Cloud Computing: ๐ณ Docker, โธ๏ธ Kubernetes, โธ๏ธ Google Kubernetes Engine, ๐ DigitalOcean Cloud, ๐ ท Heroku, ๐ Render, โ๏ธ Netlify, ๐ ฐ Microsoft Azure, ๐บ AWS Lambda.
I have developed over 20 iOS apps, 15 React Native apps, several Android apps, APIs for some of them, over 20 websites.
I'm proficient in problem-solving and have solid track record of success in solving complex problems for teams that have struggled to do so on their own.
I like to explore modern technologies, build amazing user interfaces, develop software of any complexity. I always strive to create apps and sites according to the best practices, thoroughly test them and provide the best user experience. It's important to me to write clean and readable source code which is easy to understand and maintain for any other developer.
Hybrid App Development
Objective-C
Swift
PHP
Java
MongoDB
React Native
Firebase
API Integration
iOS Development
Laravel
Database Development
Yii
UX & UI
Alexey D.
Warsaw, Poland
$83/hr
4.9
58 jobs
Highly skilled software developer with over 12 years of experience delivering exceptional solutions to clients. I specialize in full-stack development, including expertise in back-end, front-end, and DevOps, making me well-equipped to tackle complex projects. I have a proven track record in developing robust, scalable, and user-friendly applications across various industries, including finance, healthcare, and e-commerce. With excellent communication skills and a strong commitment to collaboration, I ensure smooth project delivery and successful outcomes. I am ready to bring my expertise to your next project on Upwork
Back-end technologies and languages:
- Java, Spring Boot, JPA/Hibernate + Spring Data
- Scala, Play Framework, Akka
- Node.Js, Express, Nest.Js, TypeScript
- Maven/Gradle/SBT/NPM
- Mysql, PostgreSql, MongoDB, Redis
- GRPC, Protobuf
DevOps and Microservices:
- Linux/Unix
- Docker
- Nginx
- Kubernetes
- Prometheus
- ELK stack
Front-end technologies:
- HTML/CSS/JavaScript
- Angular
- React
JavaScript
Amazon Web Services
React
Java
PostgreSQL
Scala
TypeScript
Angular
Node.js
MongoDB
API
Microservice
Spring Boot
Kubernetes
NestJS
Dmitry T.
Warsaw, Poland
$30/hr
5.0
15 jobs
Hello,
Im a developer with 15 years of working experience. I have been working for companies from Russia, USA, Canada, Australia, Philippines. Have created applications for desktop, mobile and web. Main specialization - .NET stack (WPF, ASP.NET, Avalonia, MAUI), but also have experience in other areas.
Have bachelor degree in applied math and computer science.
Have rich expirience of using Selenium for automatization work with websites or data crawling.
Main skills:
Back-end: Asp.Net MVC, basic knowledge of NodeJS.
Desktop: WPF, Avalonia.
Mobile: MAUI, Xamarin.
Front-end: Angular, Typescript, JQuery, AngularJS, Bootstrap, Chrome extensions
Testing: Selenium, NUnit, Moq
Infrastructure: Teamcity, Octopus, Azure Devops, gRPC, Git, SVN, JIRA
Have worked with different DB: mostly MS SQL, but also MySQL, SQLite, Postgres. Have experience using ORM (EF Core, NHibernate) and directly accessing DB (Dapper).
Could work both in team and as a separate developer. I have good learning ability - if I don't know something, usually it doesn't take much time to understand it.
I have good skills in understanding code written by other developers, know how to write unit tests.
I'm working with AI-tools: Claude code, Gemini, QWEN code.
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