~/ Hello, I'm Onur!

Architecting Cross-Platform Mobile Ecosystems

I am a Senior Full-Stack Architect with 15+ years of professional experience. I specialize in building high-performance, cross-platform mobile apps with React Native — backed by scalable microservices, hardware-integrated IoT solutions, and modern SaaS platforms, all grounded in maintainable clean architecture.

My Projects Get in Touch

TS onur-sevik.ts

TypeScript

export const engineer = {
  name: 'Onur Şevik',
  role: 'Senior Full-Stack Architect',
  basedIn: 'İzmir, TR',
  experience: '15+ years',
  languages: ['TypeScript', 'PHP'],
  stack: {
    mobile:  ['React Native'],
    backend: ['NestJS', 'Laravel'],
    web:     ['Next.js', 'React'],
    data:    ['PostgreSQL', 'MongoDB', 'Redis'],
    search:  ['Meilisearch', 'Elasticsearch'],
    async:   ['RabbitMQ'],
    infra:   ['Docker', 'CI/CD'],
  },
  principles: [
    'Clean Architecture', 'DDD',
    'Microservices', 'SOLID', 'DRY',
  ],
  available: true,
} as const;

ready UTF-8 · LF · main

Years of Experience: 15+
Projects Completed: 100+
Working Hours: 20K+
Clients Served: 30+

React Native
Redux
TanStack Query
MMKV
Laravel
Symfony
NestJS
React
Next.js
PostgreSQL
MySQL
MongoDB
Redis
Docker
Meilisearch
ElasticSearch
RabbitMQ
Feature Testing
Unit Testing
RFID SDK
TCP/IP
Payment APIs
CI/CD
GIT

React Native
Redux
TanStack Query
MMKV
Laravel
Symfony
NestJS
React
Next.js
PostgreSQL
MySQL
MongoDB
Redis
Docker
Meilisearch
ElasticSearch
RabbitMQ
Feature Testing
Unit Testing
RFID SDK
TCP/IP
Payment APIs
CI/CD
GIT

01About

Senior Full-Stack Architect

Based in İzmir, I engineer production-ready platforms that span web, mobile, and hardware-integrated environments. My core strength lies in backend architecture and end-to-end full-stack development, building resilient, scalable systems with Laravel, NestJS, Next.js, React, and React Native.

Tarlamapp · Founder 2026 – Present
Think Smart Media · CTO 2026 – Present
Takipsan A.Ş. · Senior Software Architect 2025 – 2026

More About Me

Onur Şevik İzmir, Türkiye Available for Projects

02Services

Core Expertise

All Services

iOS & Android

Mobile App Development

Cross-platform iOS and Android apps built with React Native, from the first prototype to App Store and Google Play release and ongoing maintenance.

Portals, Panels & Marketplaces

Custom Web Software Development

Custom web applications, portals, admin panels and marketplaces built with React, Next.js and Inertia on top of Laravel or NestJS backends.

From MVP to Scale

SaaS Product Development

Multi-tenant SaaS products with subscriptions, plan limits, background jobs, search and observability, built to go from MVP to a growing customer base.

Fast, SEO-ready, Custom

Corporate Website Development

Custom-coded corporate websites that load fast, rank well and are easy to manage from your own admin panel, in one language or several.

Custom Online Stores

E-commerce Development

Custom e-commerce stores with campaigns, bundles, virtual POS integration, ERP and stock sync, and an order panel built around how you sell.

APIs, Systems, Consulting

Backend & Software Architecture

Scalable APIs, clean architecture, event-driven systems, code audits and fractional CTO support for products that need to grow without breaking.

Hardware to Cloud

IoT & RFID Solutions

RFID traceability, reader and printer integration and kiosk software from a freelance IoT developer in Izmir, connecting devices to your ERP and dashboards.

ERP, POS & APIs

ERP & Payment Integrations

Nebim V3 and MS-Shop ERP, virtual POS, marketplace and third-party APIs, connected through reliable, queued integrations that keep your systems in sync.

AI in Real Products

AI Integration

Image-based diagnosis, natural-language search, assistants and document data extraction, added to your product production-ready, with guardrails and cost control.

03Portfolio

Featured Projects

Products I’ve designed and shipped — AI SaaS, fintech, marketplaces, mobile apps, municipal kiosks and RFID traceability. Each card shows what the product does, who it serves and what it makes possible.