Hi, I'm Ertuğrul Bayraktar

I'm a software engineer specializing in ASP.NET Core Web API and React; passionate about software development, finance, and entrepreneurship. I focus on building scalable and maintainable digital products by combining strong engineering principles with a product-oriented mindset. My experience spans backend development, modern web technologies, and creating end-to-end solutions that solve real-world problems.

I previously worked as a Software Engineer at SunExpress Airlines within the Business Airline Solutions team, contributing to enterprise-scale internal applications.

Ertuğrul Bayraktar

Beyond Engineering

While engineering is my core expertise, I'm passionate about diverse fields that shape my perspective and drive innovation.

Financial Markets & Trading

Passionate about financial markets, trading, and long-term investing. For over six years, I have been actively involved in trading as an individual investor, building a disciplined and consistent investment approach.

Entrepreneurship

Driven by a passion for creating digital products and bringing ideas to life. I founded LLux during university, gaining hands-on experience in product development, operations, and business management — my first real step into the entrepreneurial world.

Athlete

Professional licensed kickboxer with a long-standing background in multiple sports. I value discipline, consistency, and an active lifestyle, believing they contribute to both personal well-being and professional performance.

Experiences

SunExpress Airlines logo
August 2025 - October 2025 (3 months)

Software Engineer Intern

SunExpress Airlines

At SunExpress, I worked with a modern enterprise tech stack that included .NET Core, REST and GraphQL APIs, Entity Framework Core, MSSQL, and Redis wi...

LLUX logo
September 2023 - October 2024 (1 year 2 months)

Founder

LLUX

I founded LLUX as a small e-commerce business specializing in home appliances and small electronics. I managed product sourcing, inventory, pricing, a...

BFRC - Bahcesehir University Financial Research Center logo
September 2021 - June 2023 (1 year 10 months)

Technical Analyst

BFRC - Bahcesehir University Financial Research Center

Conducted technical analysis on financial markets, examining price movements, patterns, and indicators to provide insights and forecasts. This role en...

Tech Stack

Backend

C#
ASP.NET Core
Python
Django
GraphQL APIs
SQL Server
MongoDB
Redis
RabbitMQ

Frontend

React
React Native
TypeScript
JavaScript (ES6+)
HTML5
CSS3

Cloud & DevOps

Azure DevOps
Docker
Git
GitHub
CI/CD Pipelines
Linux

Observability & Quality

SonarQube
Prometheus
Grafana
Serilog
Postman
Swagger / OpenAPI

Languages

Turkish
Native
English
Professional Working Proficiency
German
Beginner

Featured Projects

Some of my recent work

View all projects →
Machine-Learning-Based Cryptocurrency Price/Movement Prediction and Trading Signal Generation Model preview

Machine-Learning-Based Cryptocurrency Price/Movement Prediction and Trading Signal Generation Model

An AI-powered cryptocurrency trading platform that generates real-time trading signals using machine learning algorithms.

PythonLSTMRandom ForestReact+6 more
LLUX E-Commerce Platform preview

LLUX E-Commerce Platform

A modern full-stack e-commerce application developed to provide a seamless online shopping experience with ASP.NET Core Web API and React TypeScript.

ASP.NET Core Web API.NET 8ReactTypeScript+6 more
Ticketly - Flight Ticketing System preview

Ticketly - Flight Ticketing System

A full-stack web application designed to streamline the process of airline ticket sales and management with ASP.NET Core Web API and React TypeScript.

ASP.NET Core Web API.NET 8ReactTypeScript+6 more
TaskMaster Project Management Tool preview

TaskMaster Project Management Tool

A comprehensive project management web application that enables teams to collaborate effectively through task tracking and project coordination.

DjangoPythonJavaScriptHTML/CSS+5 more