Projects

Few of my projects, I have done these past years working with amazing people

see

about me

My Skills, Experiences and education

Name: Onur Kayahan

Email: [email protected]

Senior Frontend Developer and Full Stack Developer with 7 years of experience in TypeScript, JavaScript, React, and Node.js. Expert in crafting innovative solutions to complex web programming challenges, building high-performance applications, and 3D projects with Three.js. Passionate about creating scalable software with innovative design, a focus on user experience, and a collaborative approach to teamwork.

Skills

React

React Native

Three.js

Next.js

GraphQL

Tailwind

Vue

Angular

Ionic

Vite

Vitest

Nest

Node

Spring Boot

Postgres

MongoDB

Redis

Elasticsearch

RabbitMQ

Kafka

Docker

Kubernetes

AWS

GCP

Education & experience

05/2024 – Current

Senior Frontend Developer - (Contract) Visetra

Visetra is transforming the way users experience and collaborate with 3D content through its innovative platform. Our solution empowers users to design, review, and provide feedback on 3D models seamlessly, combining cutting-edge visualization tools with real-time collaboration features. With support for AR technology, Visetra bridges the gap between the physical and digital worlds, enabling teams to make more informed decisions and streamline their creative workflows, all while delivering a next-generation design experience.

https://www.visetra.com

◦ Built an advanced 3D editor application with React Three Fiber and TypeScript, delivering exceptional rendering performance.

◦ Utilized Effector for state management and TailwindCSS for responsive, maintainable UI design.

◦ Improved build processes with Vite, reducing development cycle times by 30%.

◦ Designed comprehensive unit tests using Vitest, ensuring high code reliability.

05/2022 – 04/2024

Full Stack Software Developer - Coolbet

Coolbet provides its customers with a unique player experience through innovation, top class products, transparency and customer care in iGaming area. I was Full Stack Developer in casino features team.

https://www.coolbet.com/en/casino/slots/lobby

◦ Developed new features and enhanced gaming experiences using Next.js, Node.js, and PostgreSQL.

◦ Utilized Styled-Components, React Context, and Joi for dynamic styling, state management, validation, unit tests using Jest to ensure code quality and reliability.

◦ Integrated Redis, Kafka, and Elasticsearch for caching, messaging, data retrieval.

◦ Awarded at a company-wide hackathon for an innovative project idea. project.

03/2021 – 05/2022

Javascript Game Developer - Playin

Playin's mission is to perform the best Playable Ad in the market. Focusing mainly on the performance, they provide stunning visuals to acquire new users for your games.

https://playin.com.tr/projects/

◦ Developing panel for game ads that aim to change properties of developed game ads and build them for different platforms to publish with React.js, MongoDB and Node.js

◦ Developing and designing playable game ads with Three.js, Cannon.js and Phaser.js

◦ I developed a Chrome Extension for recording playable ads from browser with much more configuration,sizing and .mp4 format with ffmpeg, WebAssembly

02/2020 – 03/2021

Full Stack Software Developer - Innova

Innova is a leading software developer and integrator in Turkey which provides innovative software solutions and services, covering the entire project lifecycle from consulting, design, application development and integration to support. It belongs to one of most 3 telecommunication company of Turkey which is Turk Telekom and Innova is the development company of Turk Telekom..

https://innova.com.tr/en/nova

◦ Software Engineering and Full Stack Development in a React.js, Spring Boot, RabbitMQ and MongoDB in NOVA project.

◦ Software Engineering and Full Stack Development in a Vue.js, Spring Boot, Spring Batch, PostgreSQL and Time-Scale DB in PostgreSQL in Single MPLS project.

◦ Reactive Spring Application with RabbitMQ for develop multiple and reproducible microservices.

02/2019 – 02/2020

Full Stack Software Developer / Team Lead - Beam Teknoloji

Supporting its customers in producing safe and high quality products, and they offers various solutions to ensure that products are developed in preparation for threats.

https://www.beamteknoloji.com/products/#stap

◦ Good organizational skills through leading a software development team and managing a project pretty much with Agile Methodology for 8 months in STAP project.

◦ Full Stack Development in Spring Boot, MongoDB, Elasticsearch, ActiveMQ, Angular, Angular.js and Ionic, JWT

◦ Software Security Testing with methods of Application Security OWASP code analyses

02/2018 – 02/2019

Full Stack Software Developer - ALKAMANAS

◦ Developed a management platform which has different layers like SSO, media orginatization, project management which is called Yon that build with Angular 6, Spring Framework, JWT and MongoDB.

Product examples: https://www.instagram.com/hexori/

◦ Developed a cloud based color grading mobile application which is called Hexori. Project created with Spring Framework, MongoDB and Ionic with Cordova.

09/2012 - 02/2018

Computer Engineering Çankaya University

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