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Andrei S.

@RedOctober

5.0
45

7.7

7.7

100%

PHP/SQL/Delphi Developer

$40 USD / Hour

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Flag of

Bulgaria (4:28 AM)

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Joined on January 28, 2011

$40 USD / Hour

・

Hi, I'm Andrey. I've been developing web and desktop applications since 2010, bringing over 15 years of hands-on coding experience to every project. My portfolio showcases a diverse range of applications I've built from the ground up. I pride myself on creativity, reliability, and always meeting deadlines. My top priority is understanding your unique requirements and delivering solutions that exceed expectations. I believe in clear communication throughout the development process, ensuring we're aligned on your vision from day one. I'd love to discuss your project and show you how I can bring your ideas to life. Here are some of the technologies I work with: Web Development - Backend: PHP 8+, Laravel, Symfony, Node.js - Frontend: HTML5, CSS3, JavaScript (ES6+), Vue.js, React - APIs: REST, GraphQL, JSON Desktop Development - Cross-platform: Electron, Qt, Tauri - Native: C# (.NET 6+), Python (PyQt/Tkinter) - Database Integration: ORM frameworks, direct SQL Database Technologies - Relational: PostgreSQL 12+, MySQL 8+, SQL Server 2019+ - Design: Database architecture, normalization, indexing - Performance: Query optimization, stored procedures Additional Skills - Version Control: Git, GitHub/GitLab workflows - Cloud Platforms: AWS, Azure basics - Development Tools: Docker, VS Code, modern IDEs - UI/UX: Responsive design, modern interface development What I Deliver - Clean, maintainable code following best practices - Comprehensive testing and documentation - Scalable solutions built for growth - Regular progress updates and transparent communication Thank you for taking the time to review my profile. Ready to start your next project? Let's connect and discuss how I can help you achieve your goals.

Verifications

On time

98%

On budget

100%

Accept rate

95%

Repeat hire rate

35%

Portfolio

Portfolio

4773745
4773718
4580808
4580736
4580682
4580652
4773745
4773718
4580808
4580736
4580682
4580652
5.0 · 45 Reviews
45 Reviews
D
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Frank L.

5.0

€100 EUR

7 years ago

Project for Andrei S. -- 2

it was my pleasure to work with you again. i am looking forward to further projects with you.

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Frank L.

5.0

€611 EUR

7 years ago

IBAN / BIC algorithm (PHP / SQL)

I've never worked with anyone so capable. Andrei always immediately understood what I wanted. And he did this in a very short time. His quality is outstanding. He put more time into the project to make it perfect. It did a perfect job. I'll keep working with him.

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S D.

5.0

$50 USD

7 years ago

Project for Andrei S.

Very quick to understand the requirements and helpful in developing ideas to create a successful project.

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Crinu-Marian S.

4.8

$2,200 USD

7 years ago

Project for Andrei S.

Very creative and intelligent! Andrew has easily understood the details of my project and has done great! I will re-engage him!

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Jean S.

5.0

€250 EUR

8 years ago

web based file browser (archived)

Andei is a very good developer. He quickly understood the project and knew how to help us. He was autonomous and gave us a project that perfectly matches our expectations. I highly recommend Andrei for your projects.

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Experience

Self Employment

Jan, 2002 - Present

•

24 years, 5 months

PHP/SQL Programmer

Jan, 2004 - Present

•

22 years, 6 months

Desktop App Programmer

Jan, 2002 - Present

•

24 years, 5 months

Desktop App Programmer

Jan, 2002 - Present

•

24 years, 5 months

Education

Czech Technical University in Prague

1999 - 2004

•

5 years

MSc

Flag of

Czech Republic

1999 - 2004

•

5 years

Certifications

Freelancer Orientation

Freelancer Orientation

PHP - Level 1

PHP

HTML 4 - Level 1

HTML 4

US English - Level 1

US English

HTML - Level 1

HTML

MySQL - Level 1

MySQL

F

Foundation vWorker Member

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