Koray Kural

Hi, I'm

Koray Kural

Software Engineer

Backend-focused engineer building scalable systems and high-performance APIs. Based in Istanbul, crafting solutions that serve thousands of users.

01.

About Me

Passionate software engineer with a strong focus on building scalable backend systems, developing web applications, and solving complex technical challenges.

I've worked across various industries — from freelancing on Upwork and Toptal to my current role at Seller Systems Software, where I develop high-performance backend systems serving large datasets to thousands of users, leveraging AWS services for scalability and reliability.

Always eager to learn and improve, I enjoy tackling new challenges, optimizing performance, and building solutions that make an impact.

Istanbul, Turkey
Backend-focused Full Stack Engineer
Turkish · English
ITU Computer Engineering

02.

Work Experience

Fullstack Developer

Nov 2021 — Present

Seller Systems Software · Data Dive

Working on Data Dive, a platform that helps businesses leverage data-driven insights. Built and maintained a backend that efficiently serves vast amounts of data to thousands of customers, utilizing a range of AWS services to ensure scalability, reliability, and performance.

Node.js TypeScript NestJS AWS PostgreSQL React

Freelance Fullstack Developer

Sep 2020 — Mar 2022

Upwork & Toptal

Worked on many small to medium-sized projects across various technologies and industries, resulting in valuable experience. Improved communication skills with non-technical clients. Active on two top freelancing platforms.

Backend Developer

Apr 2020 — Sep 2020

Teamfluencer

Sole backend developer at this startup. Created a Node.js backend server for web and mobile applications from scratch, and was responsible for deploying and monitoring it. The original implementation is still maintained and built upon today.

Node.js Express MongoDB Docker

03.

Projects

04.

Education

Istanbul Technical University

BSc Computer Engineering

Istanbul, Turkey · GPA: 3.25 / 4.0

Sep 2017 — Jan 2025

University of Alcalá

Exchange Program · Computer Engineering

Madrid, Spain

Feb 2021 — Jun 2021

Adana Fen Lisesi

High School

Adana, Turkey

Sep 2013 — Jun 2017

05.

Skills

Languages

JavaScript TypeScript Python C/C++ HTML CSS

Backend

Node.js Express NestJS

Frontend

React Next.js Angular Ionic TailwindCSS

Databases

PostgreSQL MongoDB DynamoDB Redis

Cloud & DevOps

AWS S3 ECS Lambda SQS EventBridge Docker GitHub Actions Jenkins

Tools & Design

Git Figma Adobe XD

Soft Skills

Communication Ownership Problem Solving Fast Learner Collaboration

Hobbies

🐱 Cat Owner
🏍️ Motorcycles
🏓 Table Tennis

Human Languages

Turkish Native
English Fluent
Spanish B1

06.

Get in Touch

I'm open to new opportunities and interesting projects. Whether you have a question or just want to say hi, feel free to reach out.