Description

Senior Full-Stack Developer | .NET, React, SaaS & AI Products

I am a Senior Full-Stack Developer with 5+ years of experience building scalable web applications, SaaS platforms, APIs, admin dashboards, payment integrations, and AI-powered products.

My main expertise is in .NET / C# backend development, React / TypeScript frontend, SQL Server / PostgreSQL, and cloud-based production systems. I have worked on large-scale B2C platforms, internal business applications, travel systems, dashboards, payment flows, and AI-related web products.

I can help with:

- Custom SaaS platform development

- .NET Web API development

- React / TypeScript frontend development

- Admin panels and dashboards

- Payment integrations

- Database design and optimization

- AI API integrations

- Bug fixing, refactoring, and performance improvements

- Deployment on Windows Server, IIS, cloud, or VPS environments

I focus on clean architecture, maintainable code, clear communication, and delivering reliable production-ready solutions.

Languages

English
Native or bilingual
Turkish
Native or bilingual

Workplace preferences

Can work on-site

Izmir (up to 50km)

GenderPrediction.ai
Founder & Lead Developer
HEALTH AND WELLNESS
August 2025 - Today (1 year)
Türkiye
• Designed and developed the full platform using .NET 8, ASP.NET Core, and PostgreSQL on the backend, with React and multilingual support (i18n) on the frontend.
• Integrated a Python/Flask-based AI inference service to process ultrasound images and de liver application results through a production workflow.
• Implemented JWT-based authentication, role-based access control, and secure backend APIs.
• Built and maintained the product architecture, deployment flow, and core business logic as an independently operated AI-enabled software venture.
.NET Fullstack C# Next.js OpenAI
Odeon Software & Technology
Senior Software Engineer
TRAVEL AND TOURISM
January 2024 - Today (2 years and 7 months)
Türkiye
• Contributed to the software development of Coral.ru and supported product launches in multiple additional countries.
• Designed and implemented scalable .NET-based solutions focused on performance, reliability, and maintainability.
• Worked on API development, database optimization, and backend architecture for high-traffic production systems.
• Improved system security, automation, and monitoring to support operational stability.
• Participated in code reviews and supported engineering quality across the team.
.NET C# Web development CMS React.js
Odeon Software & Technology
Software Engineer
TRAVEL AND TOURISM
October 2022 - January 2024 (1 year and 3 months)
Türkiye
• Played a key role in backend development for Coral.ru and supported international product expansion efforts.
• Designed and developed APIs, microservices, and database-oriented backend solutions using .NET technologies.
• Collaborated with product and business teams to translate operational requirements into technical implementation.
• Improved security, performance, and error handling using production-oriented engineering practices.
.NET C# Back-End development React.js CMS

Check out Gokhan's experience

Be the first to recommend Gokhan

Help this freelancer shine by sharing your experience working together.

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

Baptiste Duhen

Fullstack developer

4.6

(4)

Amed Hamou

Senior Lead Developer

(2)

Audrey Champion

Web developer

4.3

(3)

Signup to reveal

B.S. in Electrical and Electronics Engineering
Dokuz Eylul University
2018
B.S. in Electrical and Electronics Engineering

Gokhan A.

Senior Developer | SaaS, Payment & AI Integrations

About Gokhan

Experience

Recommendations

These freelancer profiles also match your criteria

Education

Skill set

Categories