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I’m a software developer specializing in trading systems, market data, and algorithmic trading infrastructure. Over the years I've worked with professional traders and quantitative teams, building execution systems, market data pipelines, back-testing tools, analytics platforms, and trading dashboards across crypto, FX, and traditional markets. -C++ (17/20), C#, Python for ultra-low-latency trading infrastructure -Sub-microsecond execution paths, lock-free/zero-copy pipelines, custom allocators, CPU pinning... -FIX 4.x/5.x, FIX-FAST, ITCH/OUCH — full protocol implementation & certification -Cross-venue arbitrage, market making, synthetic orderbooks, fast cancel/replace loops, burst execution -Execution & connectivity: PrimeXM, LMAX, IBKR (TWS & FIX), TT, FX/CFD brokers, Binance/Bybit/OKX/Coinbase, custom FIX hubs, Databento, Polygon, dxFeed, Alpaca, SIAC/OPRA -Trading platforms: MetaTrader 4/5, TradingView (Pine Script), Trading Technologies (TT), QuantConnect, Interactive Brokers TWS, Polymarket, HummingBot.

I am a game developer specializing in Godot, Roblox, and Unreal Engine with years of experience collaborating with indie studios, content creators, and startups across global markets. My focus is on transforming concepts into polished, performant, and engaging games from rapid prototypes to full scale releases on mobile, PC, and web. · GDScript, C#, 2D/3D · Luau, Roblox Studio, Roact · Unreal Engie, UnrealScript

✔️ 15+ Years Programming | ✔️ 11 Years Unity | ✔️ Mobile 2D Games | ✔️ AR/VR Senior Unity developer specializing in mobile 2D games and immersive AR/VR applications for iOS and Android. I deliver complete, production-ready products — from architecture to store submission. 🎮 What I build: 2D mobile games — casual, hyper-casual, puzzle, arcade AR apps — ARKit, ARCore, Vuforia, EasyAR, ARFoundation VR apps — Oculus / Meta Quest, Dream VR Cross-platform builds — iOS & Android (App Store + Google Play) Multiplayer — Photon PUN/Fusion Monetization — AdMob, Unity Ads, in-app purchases 🛠 Tech Stack: Unity3D · C# · C++ · Java · ARKit · ARCore · Vuforia · EasyAR · Oculus SDK · Photon · Firebase · Git ✅ Why work with me: Full-cycle development — concept to live on store Mobile-first optimization — smooth on mid/low-end devices Clean, maintainable code — easy to extend after delivery Fast communication, reliable deadlines

I’m a Top Rated full-stack mobile developer with 10+ years of experience building production apps for iOS, Android, and web. I help founders, agencies, and product teams turn ideas, designs, and existing codebases into reliable, scalable apps. My strongest work is mobile-first products: marketplaces, SaaS platforms, fintech, health/wellness apps, IoT/BLE apps, AI-powered tools, and app rescue/takeover projects. Core development: - iOS: Swift, SwiftUI, Objective-C - Android: Kotlin, Java - Cross-platform: Flutter, React Native - Backend: Node.js, Firebase, Supabase, PostgreSQL, REST APIs - Payments/subscriptions: Stripe, RevenueCat, Apple/Google IAP - App launch: TestFlight, App Store, Google Play AI and automation: - OpenAI / ChatGPT API, Claude, Gemini - AI assistants, RAG, workflow automation, internal tools - Claude Code, Codex, Cursor, Copilot - n8n and agentic workflows How I work: - Clear daily communication - Weekly demos - Clean Git workflow - Practical architecture - Fast iteration without sacrificing maintainability - Honest feedback when a feature is too expensive, risky, or should be simplified If you need someone who can think through the product, build the app, connect the backend, integrate AI where it makes sense, and help ship to production, I’d be happy to talk.

Send your architecture for a free code review! I’m a Senior Full Stack Developer & Software Architect with 20+ years in custom software development. I use modern engineering strategies to build high-performance, enterprise-grade platforms. 🎯 What I bring to your brand as a Senior Full Stack Developer: ✔️ Over 20 years of commercial software engineering experience, leading .NET framework, C# development, and Node.js architectures for global enterprises. ✔️ Results-focused Full Stack Development: As a .NET Expert, I create scalable microservices architectures and API development plans that boost performance and handle high user concurrency. As a Software Architect, I ensure your custom software development is always ROI-driven and infinitely scalable. ✔️ Technical & Architecture Audit Mastery: As a Senior Full Stack Developer, I develop a detailed code audit, database audit, and technical architecture audit to map out your system structure. My cloud infrastructure expertise allows me to refine backend systems before scaling. I’ve delivered 150+ architecture audits and system performance reports, helping streamline software development workflows. ✔️ API Integration & Webhooks Expertise: As an API Specialist and backend developer, I prioritize REST APIs, GraphQL, and third-party integrations. My approach as a Software Architect focuses on secure authentication, OAuth2, and custom API architecture. ✔️ Frontend & Modern UI Solutions: As a Senior Full Stack Developer, I use React.js development and Vue.js optimization for high-performing user interfaces. As a .NET Expert, I handle Angular setups, UI component architecture, and frontend-to-backend integration to ensure your web application performs flawlessly. ✔️ Cloud Deployment & CI/CD Innovation: As an Azure developer and DevOps consultant, I use Docker containerization, Azure App Services, and Azure Functions to scale deployments. ✔️ Database & Performance Optimization: I am a database specialist and SQL Server developer. My technical data skills include PostgreSQL optimization, Entity Framework, and complex SQL queries. As a Software Architect, I ensure your database design is flawless using the best indexing and scaling strategies. ✔️ AI Integrations & Tooling: As an AI integration developer, I build C# and Python solutions for AI-driven services. My expertise includes pragmatic implementation of LLM APIs, OpenAI/Claude integrations, and utilizing the Model Context Protocol (MCP) to securely connect AI agents with backend systems and custom data sources without unnecessary over-engineering. 📊 My Achievements in Numbers: 🔶 Software Architect for a Global Enterprise (SaaS / B2B): ▪️ Improved API response times by 200% through technical code audit and query optimization. ▪️ Reduced cloud infrastructure costs by 50% via enhanced microservices architecture and Docker deployment. ▪️ Accelerated feature delivery by 30% using automated CI/CD pipelines and agile workflows. 🔶 Senior Full Stack Developer for a FinTech Platform: ▪️ Achieved 99.99% uptime through .NET migration and Node.js backend optimization. ▪️ Reduced database deadlocks by 100% with a technical database audit and SQL Server optimization. 🔶 API Specialist for an E-commerce Engine: ▪️ 2x checkout speed by redesigning the REST API and payment gateway integration (Stripe). ▪️ 3x faster user onboarding through architecture audit insights and Auth0 security implementation. Why should you hire me as your Senior Full Stack Developer and Software Architect? ▪️ 20+ years in software engineering, backend architecture, API development, and cloud infrastructure. ▪️ Senior Full Stack Developer in React.js, Vue.js, Angular, and modern JavaScript. ▪️ .NET Expert in C#, ASP.NET MVC, Web API, and .NET. ▪️ Delivered enterprise backend services and microservices architectures for B2B and SaaS platforms. ▪️ Node.js Specialist support for high-concurrency event-driven applications. ▪️ Database architecture specialist for SQL Server, PostgreSQL, and MySQL growth. ▪️ Expert in Azure DevOps, Docker containerization, and CI/CD pipelines. ▪️ Practical experience in AI integrations, delivering C# and Python solutions for AI-driven services, including LLMs and MCP. ▪️ Software Architect and CTO with a proven track record of zero-downtime, secure deployments. Specialized Development Services: 🔹 Architecture Audit: From database performance audit to technical code audit. 🔹 API Integration: From third-party API integrations to custom REST/GraphQL APIs. 🔹 Backend Development: From Node.js microservices to .NET Core enterprise systems. 🔹 Frontend & UI: React.js and Vue.js scalable applications. 🔹 Cloud & DevOps: Optimization for Azure App Services, Docker, and GitHub Actions. 🔹 AI Integrations: solutions for AI-driven services, LLM API endpoints, and MCP (Model Context Protocol) implementation. Looking for an experienced Senior Full Stack Developer and Software Architect? Let’s connect!

Senior Unity Engineer (10+ years) shipping games and interactive apps across mobile, PC, and WebGL, with C# software architecture and performance optimization as daily practice. I thrive on complex problems and have a keen eye for detail—whether that's refactoring tangled codebases into clean architectures, removing performance bottlenecks, or integrating production features like MediaPipe and LLM APIs. Recent work: • Gamified Music Learning App — VContainer dependency injection, MessagePipe pub/sub events, TDD with 1.7:1 test-to-code ratio, zero-allocation performance patterns • Mosquito Coast — multi-screen interactive framework (patented) • Ablizmo / "OVERLODE" — real-time RTS/deck-building UI overhaul + systems work • Atomic Starman — narrative tooling pipeline (Articy + Dialogue System), Git LFS workflow setup as tech lead • Earlier: WebGL 3D medical visualization, mobile simulation apps, gameplay systems & bug fixing What I do best: 🧩 Gameplay / UI Systems • Modular C# systems, state machines, event-driven architecture • UI architecture (MVC/MVVM), responsive UX, tooltips, menus, data-driven UI 🚀 Performance & Stability • Profiling CPU/GPU, reducing GC/memory spikes, smoothing frame time • Pragmatic refactoring that improves stability without risky rewrites 🛠 Architecture, Testing & Tools • DI frameworks (VContainer, Zenject) for decoupled, testable systems • Unit testing discipline — extracting game-critical logic into pure C# classes for high-confidence refactoring • Turning large/legacy code into maintainable modules; Git workflow setup (LFS, branching, code review) • Editor tools + workflow improvements to speed up teams 🤖 AI / LLM Integrations (when useful) • Integrating APIs (OpenAI/Claude), prompt + data flow design, guardrails • I also use modern coding assistants to speed up delivery while keeping code production-ready How I work: I'm MVP-first: identify the highest-impact tasks, prototype quickly to de-risk, then build scalable solutions. I'm comfortable in distributed teams, communicate directly, and I'm not afraid to dive deep into debugging. What I'm looking for: • Gameplay programming, UI & systems development • Optimization, stabilization, refactoring legacy projects • Mobile & WebGL projects • Internal tools development • AI-assisted features, AR prototypes If you want a senior Unity developer who can ship fast, improve code quality, and make your project stable and scalable — I'd love to help.