Hi, I'm Emre YILDIZ

Senior Software Engineer | Tech Lead | Software Architect

Senior Software Engineer and Tech Lead with 7+ years building backend and full-stack systems. Specialized in .NET 6/ASP.NET Core, Node.js/NestJS, Python (Django, FastAPI), and Rust (Axum). Expert in microservices, event-driven systems, and scalable cloud infrastructure. Track record of scaling platforms to 20,000+ users and shipping $25M+ exchange-volume projects.

Work Experience

2025 - Present

Software Engineer

ChessDuello Software Technologies Corporation

  • Developed iOS/macOS chess application with SwiftUI featuring unique trivia-based gameplay mechanics
  • Built Supabase backend with Deno 2 Edge Functions, Hono framework, and Drizzle ORM for PostgreSQL
  • Implemented real-time multiplayer system with WebSocket channels for live match synchronization
  • Designed complex match system with 8-phase architecture including AI bots and tournament support
SwiftUI Supabase Deno 2 PostgreSQL WebSocket
2025 - Present

Founder and Software Engineer

Medivizi

  • Architected multi-tenant OHS backend system using Rust with Axum framework
  • Implemented Row-Level Security (RLS) for tenant isolation with PostgreSQL and SQLx
  • Built real-time features with WebSocket support and S3-compatible storage
  • Developed admin dashboard with HTMX, Askama templates, and TailwindCSS
Rust Axum PostgreSQL HTMX WebSocket
2023 - 2024

Tech Lead

BergX Software

  • Led technical architecture for jrkripto.com, scaling to 20,000+ active users
  • Implemented event-driven architecture with Kafka and Redis Pub/Sub for real-time updates
  • Built DeFi dApps and swap platform across multiple blockchain networks
  • Developed CEX/DEX trading bots achieving $25M+ trading volume on MEXC
  • Authored smart contracts for staking, swap, token factory, and vesting systems
Next.js NestJS Kafka Redis Solidity Web3
2021 - 2023

Software Engineer

Gunkom Software

  • Developed Flutter iOS & Android app for Magmaweld with .NET 6 backend
  • Built B2B e-commerce platform processing 10,000 products for Altinyildiz Classics
  • Enhanced workflow management platform handling 65,000 workflows/year for Yasar Holding
  • Upgraded core framework from .NET Core 3.1 to .NET 6.0, improving development speed by 5%
.NET 6 Flutter Angular Swift Java
2017 - Present

Senior Software Engineer

Freelance / Contract

  • Built Chess Management Software with Angular and .NET for club analytics and education
  • Developed web scraping and analytics system with FastAPI Python backend
  • Created Django Python backend applications for various clients
Angular .NET Python Django FastAPI

Featured Projects

ChessDuello - Multiplayer Chess Game

iOS/macOS chess application with innovative trivia-based move unlock system. Features real-time multiplayer matches with 3-minute rounds and comprehensive backend with Edge Functions and Row-Level Security.

SwiftUI Supabase Deno 2 PostgreSQL WebSocket

Medivizi - OHS Management Platform

Multi-tenant SaaS platform for Occupational Health and Safety management. Built with Rust and Axum, featuring compile-time SQL verification and comprehensive RLS policies for tenant isolation.

Rust Axum PostgreSQL HTMX WebSocket

jrkripto.com - Crypto Platform

Crypto news, analysis, and education platform serving 20,000+ users. Built with Next.js and NestJS microservices, featuring event-driven architecture with Kafka and real-time updates via Redis Pub/Sub.

Next.js NestJS MySQL Kafka Redis React Native

DeFi dApps & Swap Platform

Comprehensive DeFi ecosystem across multiple blockchains. Includes smart contracts for staking, swaps, and token management. Trading bots achieved $25M+ volume on MEXC exchange.

Solidity Move Rust Web3.js TypeScript

Enterprise Workflow System

Enterprise-grade workflow management system processing 65,000+ workflows annually. Built with .NET Core and Angular, featuring comprehensive REST APIs and PostgreSQL optimization.

.NET Core Angular PostgreSQL REST API

Blockchain Web3 Application

Full-stack Web3 application for token transactions and market bot management. Deployed smart contracts on Ethereum, zkSync, and Arbitrum with real-time market analysis.

Next.js NestJS Solidity Web3.js

Blockchain & Web3 Expertise

Deep expertise in blockchain system internals with hands-on experience across multiple layers of the Web3 stack. From smart contract development in Solidity and Move to running full Ethereum nodes (Geth + Prysm), I've built and deployed production DeFi systems handling millions in trading volume.

Smart Contract Development

  • Solidity & Move language expertise
  • Deployed contracts on Ethereum, zkSync, Arbitrum, Sui, Aptos
  • Token factories, staking, vesting, multisender systems
  • Security-first development with comprehensive testing

Node Infrastructure

  • Deployed Ethereum full node (Geth + Prysm)
  • Linux server administration since 2012
  • Direct node interaction for dApp backends
  • Performance optimization and monitoring

Trading Bot Development

  • DEX bots: Uniswap, PancakeSwap, Cetus
  • CEX integration: MEXC exchange APIs
  • Arbitrage, volume making, market making strategies
  • TypeScript/Node.js/Bun implementation

Live Blockchain Applications

Production dApps running on my infrastructure with deployed smart contracts:

Technical Skills

Programming Languages

C# TypeScript JavaScript Python Java Rust Solidity Swift Dart SQL

Backend Technologies

.NET 6 ASP.NET Core Node.js NestJS Express Django FastAPI Spring Boot Axum

Frontend & Mobile

React Next.js Angular Remix Flutter React Native SwiftUI Android

Cloud & DevOps

AWS Docker Kubernetes CI/CD GitHub Actions Linux NGINX ELK Stack

Databases & Architecture

PostgreSQL MySQL Redis MongoDB Microservices Event-Driven Kafka RabbitMQ WebSocket

Blockchain & Web3

Ethereum Solidity Web3.js Hardhat zkSync Era Arbitrum Aptos Sui

AI/ML & Tools

LangChain LangGraph Pydantic AI Claude Code Cursor MCP TensorFlow PyTorch

Education

Master of Science in Computer Engineering

Ege University - Izmir, Turkey

Concentration: Distributed Systems | 2024 - 2026

Bachelor of Science in Computer Engineering

Celal Bayar University - Manisa, Turkey

GPA: 3.32/4.00 | 2020 - 2024

Bachelor of Science in Computer Engineering

Ahmet Yassawi University - Turkestan, Kazakhstan

GPA: 3.81/4.00 | 2019 - 2022

Associate's Degree in Computer Programming

Dokuz Eylul University - Izmir, Turkey

GPA: 3.40/4.00 | 2016 - 2018

Let's Connect

I'm always interested in new opportunities and collaborations. Feel free to reach out if you'd like to work together!