Open to projects /Istanbul, Türkiye /
OnurKınay.
Full Stack Developer & Linux System Administrator
With over 15 years of experience, I build websites and software that make everyday business easier. From systems that manage customer messages, appointments and paperwork in one place to online stores, I create fast, secure and easy-to-use solutions, and look after the servers behind them so they keep running smoothly.
- years
- 11+
- projects
- 27
- Istanbul time
Web Development, CRM & DevOps Services
- 01
Custom Web Application & API Development
Tailor-made web applications, dashboards and REST APIs built with Laravel, Node.js and .NET. From a Google Ads API dashboard for ad spend and profit share to real-time integrations with Meta Graph API, webhooks, Redis and Socket.IO.
- 02
CRM Software & Messaging Platforms
Role-based SaaS CRM software such as Esteforce and Chatmatic, running many customers from a single codebase with each customer’s data fully isolated: unified inboxes for WhatsApp, Instagram, Messenger, email and Google reviews, with appointment and conversion tracking. Also a claim file and document tracking CRM for law and insurance workflows.
- 03
Business Websites & SEO-Friendly Frontend
Fast, mobile-friendly, SEO-ready business websites and landing pages with Next.js, React and Vue. Server-side rendering, structured data and Core Web Vitals tuning for 95+ Lighthouse scores.
- 04
WordPress, WooCommerce & E-Commerce
Fast WordPress and WooCommerce online stores using custom PHP instead of third-party plugins, with virtual POS and payment integrations, plus package builder and calculator tools (Medart projects).
- 05
Linux Server Management & DevOps
Deployment with Docker, Kubernetes and Nginx; server hardening with SELinux and WireGuard, monitoring, backups and CI/CD automation, so your website stays fast, secure and online.
- 06
RPA & Process Automation
UiPath RPA that automates repetitive manual work, backed by SAP ABAP experience for enterprise system integration.
Where I’ve worked
- Sep 2025 - now
Senior Software Engineer
Arsol Dijital
Building SaaS/CRM products such as Esteforce and Chatmatic, plus server and infrastructure management.
- Oct 2024 – May 2025
Senior Web Developer
Medart Health Tourism
E-commerce, calculator tools and landing pages with Next.js and WooCommerce.
- Jun 2022 – Aug 2022
SAP ABAP Developer
Spor Teknoloji A.Ş
Development work in ABAP on SAP.
- Jun 2021 – Jan 2022
RPA Developer
Native Business Solutions
RPA bots automating repetitive business processes.
- Jun 2015 – Aug 2015
Web Developer
Atılım Medya IT Services
Developing corporate websites (summer internship).
- Since 2015
Web Developer
Freelance
Client projects with Laravel, WordPress and Node.js.
Education
- 2020 – 2025
Computer Engineering, B.Sc.
Fatih Sultan Mehmet Vakıf University
Software development, algorithms, databases and system design.
- 2018 – 2024
Electrical & Electronics Engineering, B.Sc.
Fatih Sultan Mehmet Vakıf University
Engineering fundamentals in circuits, signals and embedded systems.
- 2013 – 2017
Database Programming
Abdurrahman Nermin Bilimli Anatolian Technical High School
Technical high school track focused on database design and programming.
Selected web projects
⤢Esteforce
A CRM for healthcare clinics that brings WhatsApp and social conversations, appointments and pipelines into one place.
⤢Erkan Aydın
The personal website of Erkan Aydın, Deputy Chairman for Culture, Arts and Tourism Policies of the Türkiye İttifakı Partisi, with biography, events, press statements and contact forms.
⤢Vassan
A WooCommerce theme built for a clothing and home textile store, with campaigns and popups, abandoned carts, shipping and delivery tracking, returns, contracts, newsletters, webhooks and SEO managed from a Turkish admin panel.
⤢Google Ads Paneli
A dashboard powered by the Google Ads API that shows clients their ad spend, clicks and conversion rates in one view, and calculates profit share automatically.
⤢Chatmatic
A messaging platform that merges WhatsApp, Instagram, Messenger, email and Google reviews into one inbox.
⤢Chatmatic CRM
The CRM module inside Chatmatic: contacts, pipeline stages, branch/department/role-based team management, product-service catalog and permissions.
⤢Esteforce & Chatmatic Sunucu Altyapısı
Server setup, security and ongoing maintenance for Esteforce and Chatmatic. Details in the image.
⤢Demirkaya Hukuk
A CRM that tracks vehicle damage claim files and manages the preparation and status of documents sent to insurance companies.
⤢Graft Calculator
A web application for calculating graft needs in hair transplantation.
⤢Package Creator
A tool for creating and managing hair transplant packages.
⤢Hair Landing Page 2
A second landing page for Medart Health Tourism.
⤢Medart E-Commerce
An e-commerce platform for hair transplant services.
⤢Medart Landing Page
A landing page for Medart Health Tourism.
⤢LevelIT Web Site
The official LevelIT website.
⤢Yahtzee
A browser version of the Yahtzee dice game written in JavaScript. Multiple players can take turns on the same screen.
⤢LaradockSites
A Windows Forms panel that manages Laradock without touching the terminal: setup, container start/stop and nginx site add/remove in one screen.
⤢Yahtzee Java
A Java and TCP version of the Yahtzee dice game that can be played over the internet.
⤢Chat Program
A chat application built with C# and WPF, prepared for FSMVU.
⤢ÜLDER
A design and WordPress theme project for the Üreten Liderler Engineering Association (ÜLDER) (2020). The live link is a static HTML copy of the theme.
⤢GraphPy
A Dash/Plotly app I wrote as an FSMVU Fall 2019 physics project that live-plots a car’s velocity, acceleration and position graphs in linear motion from speed data received over HTTP.
⤢Bilimli Pano
A WPF desktop application I built for a high school that displays the school’s announcements, duty roster and break countdown.
⤢Hecem
An educational app I built to help children learn letters, syllables and words and improve their reading, with visual and audio lessons, listening exercises, scored tests and a student and backup admin panel.
⤢Nakliyat Web Sitesi
A WordPress site connecting people who are moving with moving companies, with quote requests, live chat and reviews (2014).
⤢E-Okul Windows Phone
A Windows Phone app that automatically calculates the year-end grade from E-Okul scores.
⤢81Araba
A website bringing car rental companies from all 81 provinces together, with city-based vehicle search and reservation requests.
⤢Backlinkagi
A backlink network and admin panel where website owners join a network and link to each other’s sites (2014).
⤢GitHub
A collection of my personal projects on GitHub.
Technologies & tools
Backend
- Laravel / PHP
- Node.js / NestJS
- C# / .NET
- Python / Django
Frontend & CMS
- Next.js / React
- Vue.js
- WordPress / WooCommerce
Infrastructure
- Linux / DevOps
- Docker / Kubernetes
- Nginx
- AWS / Azure / Vercel
- CI/CD
Data & Automation
- MySQL
- PostgreSQL
- MongoDB
- RPA (UiPath)
Contact
Got a project, a server or an automation idea? Write to me.
ben@onurkinay.com