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I build and stabilize Laravel + Vue SaaS applications that need to scale, perform, and remain maintainable long term. With 13+ years of freelance experience and nearly 20 years in tech, I work with founders and product teams who need architectural thinking, not just feature delivery. WHAT I DO • Build SaaS platforms from scratch • Refactor and clean complex Laravel codebases • Improve performance and reduce technical debt • Design scalable REST API architecture • Take ownership of full-stack systems end to end BACKEND EXPERTISE Laravel REST API design Authentication systems (Sanctum, Passport) Queues, background jobs, caching Payment integrations Complex business logic Database optimization FRONTEND EXPERTISE Vue.js Nuxt Tailwind CSS Component-driven architecture State management API integration INFRASTRUCTURE Docker CI/CD pipelines AWS DigitalOcean Linux server administration HOW I WORK I prefer long-term collaborations where I can contribute at the architectural level and take real ownership of the system. If you need a developer who understands both system design and product thinking, and can operate independently without constant supervision, we will work well together.

I help startups and SaaS founders turn rough ideas into high-converting UI/UX designs in Figma — fast. My work focuses on: • landing pages that increase click-throughs • MVP dashboards with clear user flows • reusable design components for faster development You get: ✔ UI flows that reduce revisions ✔ clean, developer-ready files ✔ short Loom walkthroughs Let’s build designs that users love and developers thank you for.

R̶U̶S̶S̶I̶A̶ → THAILAND🌴 I'm .NET Developer with more than 14 years of commercial development experience. I can work with everything where .NET CLR can be run. According to the web I'm full-stack developer with emphasis on the server-side. It's been pretty long way from junior developer to self-organized senior developer/team lead/architect. My portfolio contains 50+ projects: WinForms, WPF and ASP.NET (from WebForms to Core). I started projects from scratch and got the existing code base. Welcome to boring list of buzzwords I have experience with: ✓ OOP and System Design; ✓ Theoretical knowledge and practical experience with design patterns; ✓ Asynchronous and multithreading development (TPL); ✓ Rest API design, architecture and implementation; ✓ 3rd party API integration using existing packages or from scratch; ✓ Microservices and monolith architectures; ✓ GIT (Azure DevOps, github, bitbucket), SVN and TFS version control systems; ✓ .NET | .NET Core | .NET Framework C#; ✓ TypeScript; ✓ JavaScript (jQuery, linq.js, lodash, underscore, moment, HighCharts); ✓ CSS/LESS/SASS, Bootstrap, Bootswatch; ✓ XML, XSLT, Serialization/Deserialization (XML, Binary, JSON); ✓ ASP.NET Core; ✓ ASP.NET MVC / Web API; ✓ AngularJS 1.x, Angular 6; ✓ React (basic); ✓ Kendo UI (JS and ASP.NET MVC wrapper) and DevExtreme; ✓ Bootstrap, Bootswatch; ✓ SMS integration (Twilio, Plivo, SMSru); ✓ PayPal (Express Checkout (REST API) with Basic Client and Advanced Server integrations); ✓ Square integration; ✓ Stripe integration; ✓ Email integration (SendGrid, MailGun, Gmail, custom SMTP); ✓ SignalR; ✓ Microsoft Azure (Azure SQL, Azure AD, MobileApp, WebApp, ApiApp, Azure Storage, EventHub, Stream Analytics, Application Insights and others); ✓ AWS (EC2, Load balancer, ECS, S3, DynamoDB, Redis); ✓ MS Bot Framework and MS Teams integration; ✓ Telegram Bot .NET Framework; ✓ WCF and WebServices; ✓ Entity Framework (Full and Core) (DB-first, code-first and model-first approaches). Deep knowledge of T4 template modifications, DbContext improvement, performance improvement, SQL profiling and others; Also Entity Framework Core; ✓ T4 templates (reach code-generation experience); ✓ Roslyn Source Generators ✓ LINQ and Dynamic LINQ Expressions; ✓ Database architect and optimization including Microsoft SQL/T-SQL; ✓ NoSQL (Azure Table Storage, CosmosDB, DynamoDB, MongoDB); ✓ Caching (Redis); ✓ Messages (RabbitMQ, Kafka); ✓ Azure DevOps CI/CD configuration; ✓ GitHub CI/CD configuration; ✓ Docker; ✓ .NET Desktop (WPF: MVVM, MVP, WinForms); ✓ Windows 8.1 and 10 universal application development (UWP); ✓ Prism, MVVM Light; ✓ WebView2 + local Kestrel for JS-based UI; ✓ Telerik and DevExpress frameworks for WinForms and WPF; I'm not a "rock star" or "ninja", just a person who knows how to work hard and can be part of the team.

Hi, I’m Jonathan. I’ve spent the last several years working at the intersection of long-form content, technical research, and AI-assisted writing workflows. I started out writing and editing content the traditional way (SEO blogs, research articles, guides), then transitioned into evaluating, rewriting, and training AI-generated outputs for large language models. That experience changed how I approach writing: I focus less on volume and more on clarity, structure, factual accuracy, and intent. Today, I help clients who need: Human-level editing of AI-generated content Long-form articles that don’t read like generic AI output Research-driven writing in crypto, fintech, and technology Clear explanations of complex topics for non-technical readers I’m comfortable working from rough drafts, outlines, AI outputs, or legacy content that needs updating. I’m also happy to act as a second pair of eyes; reviewing content for accuracy, tone, and credibility before it goes live. My background includes published work in cryptocurrency and personal finance, large multi-article writing projects, and extended contracts evaluating chatbot responses and training data for AI systems. If you’re looking for someone who understands both how content should read and how AI tends to get it wrong, I can help. You can find examples of my published work in the portfolio section below.

Dear Client, For over 15 years, Becoming proficient with object-oriented programming and Pattern & Practice. Developer are no trivial undertaking!. I am a .NET developer myself and I am building a number of projects for a wide range for clients in Line of Business field. I can work with large scale!. - Millions of users - Hundreds of thousands of operations per second - Thousand of cores - Hundreds of databases -C++/CX, COM Component -DirectX -Windows Azure -Microsoft .Net Framework, C# -Silverlight (MVVM using Prism) WCF Ria Service -WPF (MVVM using Prism)WCF -Windows 8 and Windows Phone 8 -XAML -WF -QA -Threading Model -Bitcoin -Entity Framework -ASP.NET Web APIs(RestFull Service) -MSSql Server 2005, 2012 -business analytics -Live Smooth Streaming(HD) -Real time communication -Single Page Web Based Application(Only AJAX call) -Advance on SAAS(SoftWare As Service) -Kendo UI Widget -Video Encoder -Design NetWork Application -Design Software Architecture that support more than 100 modules. -algorithm -3D Animation -3D Design -3D Composite -Mudbox -Motion Builder

✓ Blockchain solution developer. Tokens, Smart contract, Serpent, Solidity, Complex linked contracts and so on. ✓ Reactjs/Redux expert. ✓ Node.js backend. Express, Sails, Koa. ✓ Python with Flask, Django and aiohttp on the web, Pandas and Numpy on the math, Qt and GTK on desktop and a lot of other tool for other goals. ✓ Frontend works. React, Redux, Vue, Bootstrap, SASS/SCSS. ✓ ICO from the idea to the real users. I always looking forward for challenges and new kind of task.