Hello, I'm Onur!

Senior Software
Architect

With 14+ years of experience, I architect and deliver production-grade solutions across Laravel, IoT systems, mobile applications, and enterprise ERP integrations — built on clean architecture principles.

My Projects Get in Touch
14+
Years of Experience
100+
Projects Completed
20K+
Working Hours
4+
Municipal Projects
About

Senior Software Architect

With over 14 years of professional experience, I am a Senior Software Architect specializing in high-traffic web applications, IoT solutions, mobile application development, and enterprise ERP integrations.

I adhere to Layered Architecture principles and Domain-Driven Design methodologies throughout the software development lifecycle, building maintainable and scalable codebases. In database design, I implement normalization, table indexing, relational schema design, and partitioning strategies for high-volume data systems, prioritizing performance and data integrity. On the frontend, I leverage the ReactJS ecosystem with Redux for centralized state management, enabling structured and manageable application workflows.

Throughout my career, I have led critical projects involving RFID technologies, Socket Programming (TCP/IP), and hardware-software communication. I bring extensive experience in architecting mobile applications with React Native, transforming complex business processes into modern, user-centric platforms.

Location
Izmir, Türkiye
Experience
14+ Years
Education
Ege University
Freelance
Available ✓
Freelance
2026 – Present
Senior Software Architect
Delivered end-to-end freelance solutions spanning ERP integrations, CRM development, e-commerce & marketplace platforms, mobile applications, and RESTful APIs — consistently applying Layered Architecture principles across all engagements.
Takipsan A.Ş.
2025 – 2026
Senior Software Architect
RFID-based traceability solutions and IoT product architectures. Nebim V3 and MS-Shop ERP integrations, Virtual POS systems.
Grafiket
2015 – 2025
Software Developer
E-commerce platforms, municipal projects, high-performance and scalable mobile applications with React Native.
Corpus AD
2012 – 2015
Software Developer
E-commerce, Facebook applications, and corporate web project development.
Services

What I Do

I develop scalable, secure, and performance-oriented solutions using modern technologies.

Web Application Development

I build scalable, secure, and performance-driven web applications using modern web technologies.

Laravel Symfony ReactJS PostgreSQL MongoDB

Mobile Application

I architect mobile applications with React Native, bringing complex business processes to mobile platforms.

React Native Expo iOS Android

API Development

I design robust, scalable, and secure APIs to ensure seamless data flow between systems.

REST API Redis RabbitMQ ElasticSearch

IoT & Hardware Integration

I develop mission-critical systems involving RFID technologies, Socket Programming, and hardware-software communication.

RFID TCP/IP 3RD PARTY SDK/API

ERP Integration

I build deep integrations with enterprise ERP systems such as Nebim V3 and MS-Shop.

Nebim V3 MS-Shop Virtual POS

SEO & Performance

I enhance organic traffic through technical SEO, content optimization, and site speed improvements.

Technical SEO Core Web Vitals
Laravel •  Symfony •  CodeIgniter •  Lumen •  ReactJS •  React Native •  Redux •  Expo •  PostgreSQL •  MySQL •  MongoDB •  Redis •  Docker •  ElasticSearch •  RabbitMQ •  RFID SDK •  TCP/IP •  GIT •  jQuery •  Laravel •  Symfony •  CodeIgniter •  Lumen •  ReactJS •  React Native •  Redux •  Expo •  PostgreSQL •  MySQL •  MongoDB •  Redis •  Docker •  ElasticSearch •  RabbitMQ •  RFID SDK •  TCP/IP •  GIT •  jQuery > • 
Portfolio

Featured Projects

A diverse range of projects spanning enterprise solutions, startups, municipal platforms, and mobile applications.

+RESTful API
SaaS - IoT
Kilit Grup - RFID & Nebim ERP
Hardware-level communicating traceability software with RFID tag reading/printing capabilities.
RFID SDK Laravel MySQL RabbitMQ Redis Nebim V3
+RESTful API
Visit Project
SaaS - FinTech / CRM
OneBill (Ireland)
Government-backed automated invoice tracking and profit optimization web platform based in Ireland.
Laravel MySQL RabbitMQ Redis ElasticSearch JavaScript CSS
+RESTful API
SaaS - Mobile App
Gonn Community Mobile App
Community management and engagement-focused mobile application built with React Native.
React Native Expo Laravel Redis
+RESTful API
SaaS - Mobile App
HeyGuide Mobile App
Mobile platform developed with React Native for the tourism and tour guiding industry.
React Native Expo Laravel Redis
+RESTful API
Municipality
Izmir Metropolitan Municipality - Hikayematik
Statistics and data management platform featuring Socket Programming and custom API integrations for kiosk management.
Laravel MySQL Socket JavaScript
+RESTful API
Municipality
Istanbul Metropolitan Municipality
QR code-based information page management system integrated with Galata Tower kiosks.
Laravel MySQL QR Code JavaScript
+RESTful API
Web App
ArtXSpace Miami
Kiosk-compatible online ticket sales and tracking system for the Miami experience center.
Laravel MySQL RabbitMQ Redis JavaScript CSS
+RESTful API
Visit Project
SaaS
Yaka.la
High-performance web platform built on Symfony and deployed with Docker.
Symfony PostgreSQL RabbitMQ Redis Docker
+RESTful API
SaaS
212 Stüdyo
Enterprise platform built on Laravel and PostgreSQL with Redis caching support.
Laravel PostgreSQL RabbitMQ Redis
+RESTful API
SaaS
Ebsis - Electronic Ticketing Systems
Electronic ticket management system running on Docker with Redis caching support.
Laravel MySQL Redis Docker JavaScript
+RESTful API
Municipality
Nevsehir Municipality
Municipal service platform supported by API integrations.
PHP MySQL JavaScript
+RESTful API
Municipality
Mersin Metropolitan Municipality
Municipal service platform supported by API integrations.
PHP MySQL JavaScript
Visit Project
Corporate
Söke Un
Laravel-based corporate website and admin panel.
Laravel MySQL JavaScript CSS
+RESTful API
SaaS
Touristalia
Tourism platform built on Lumen and deployed with Docker.
Lumen MySQL Redis Docker
+RESTful API
Visit Project
SaaS
İzmir Mekan Rehberi
Venue discovery and guide platform for locations in Izmir.
PHP MySQL JavaScript CSS
+RESTful API
Visit Project
SaaS
İyi Masa
Reservation and corporate donation platform.
PHP MySQL JavaScript CSS
+RESTful API
Visit Project
SaaS
Ye Ticaret
Laravel-based SaaS online food ordering platform.
Laravel MySQL Redis RabbitMQ JavaScript
+RESTful API
Visit Project
SaaS
Supplio
Laravel-based SaaS platform.
Laravel MySQL Redis RabbitMQ JavaScript
+RESTful API
Visit Project
E-commerce
1924 Gönen Shop
PHP-based e-commerce and product management platform.
PHP MySQL JavaScript CSS
+RESTful API
Visit Project
E-commerce
Dermocade
PHP-based e-commerce and product management platform.
PHP MySQL JavaScript CSS
Visit Project
Corporate
Salados
CodeIgniter-based corporate presentation website.
CodeIgniter MySQL JavaScript CSS
Visit Project
Corporate
Tunç Tarım Makina
Laravel-based corporate presentation website.
Laravel MySQL JavaScript CSS
Visit Project
Corporate
İki Çiçek
Laravel-based corporate presentation website.
Laravel MySQL JavaScript CSS
Visit Project
Corporate
GMT Food
CodeIgniter-based corporate presentation website.
CodeIgniter MySQL JavaScript CSS
Visit Project
Corporate
Mentor Lojistik
CodeIgniter-based corporate presentation website.
CodeIgniter MySQL JavaScript CSS
Visit Project
Corporate
Cumhuriyet Sucukları - Sucuk Müzesi
Laravel-based corporate presentation and museum website.
Laravel MySQL JavaScript CSS
Visit Project
Corporate
SACC Pro
Laravel-based corporate solutions platform.
Laravel MySQL JavaScript CSS
Visit Project
Corporate
Dülger İnşaat
CodeIgniter-based corporate presentation website.
CodeIgniter MySQL JavaScript CSS
Visit Project
Corporate
u'Two Coffee & Sandwich
Laravel-based corporate business website.
Laravel MySQL JavaScript CSS
Visit Project
Corporate
Çubukçuoğlu Mühendislik
Laravel-based corporate engineering firm website.
Laravel MySQL JavaScript CSS
Contact

Let's Work Together

Feel free to reach out to discuss your project or explore freelance collaboration opportunities.

Phone
(+90) 546 685 1925
E-mail
onursevik@yandex.com
LinkedIn
linkedin.com/in/onursevik
Instagram
instagram.com/onursvik
Location
Konak, Izmir / Türkiye