Mamikon K.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Need a senior developer who can understand a complex system, design the right architecture, and deliver a maintainable solution? I have 16+ years of commercial software development experience. I work with Laravel, ASP.NET Core, Angular, WooCommerce, enterprise APIs, databases, and AI-powered systems. My work ranges from custom eCommerce functionality and API integrations to enterprise platforms with complex business logic, large datasets, authentication, caching, background processing, and integration with legacy systems. I do not just implement individual tasks. I analyze the complete workflow, identify technical risks, and build solutions that remain reliable as the system grows. ## What I do best 🚀 Laravel & PHP Development Custom Laravel applications, REST APIs, admin panels, database architecture, background jobs, queues, authentication, legacy modernization, debugging, and ongoing development. 🏦 ASP.NET Core & Enterprise Systems Backend services and APIs using ASP.NET Core, C#, PostgreSQL, and Oracle. I also work on enterprise banking platform architecture involving Angular frontends, ASP.NET Core Web APIs, YARP API Gateway, JWT authentication with refresh tokens, server-side caching, large Oracle datasets, and performance-sensitive operations. 🅰️ Angular Development Modern Angular applications using standalone components, RxJS, Signals, Reactive Forms, route guards, API services, reusable components, and large data grids. I can build complex forms, dashboards, internal systems, and data-heavy interfaces with filtering, sorting, pagination, virtualization, and persistent selection. 🛒 WooCommerce & WordPress Custom plugins, themes, checkout customization, payment and shipping integrations, product imports, marketplace synchronization, performance optimization, and advanced WooCommerce functionality. 🤖 AI, RAG & Local LLM Integration AI assistants, semantic search, document and code search, RAG pipelines, embeddings, vector databases, structured AI output, automation workflows, and private local AI systems. I work with OpenAI-compatible APIs, Ollama, local language models, prompt engineering, ChromaDB, model evaluation, and AI systems that use private business data. 🔗 API & Third-Party Integrations Payment gateways, shipping providers, CRMs, ERPs, accounting systems, marketplaces, authentication services, webhooks, and custom REST APIs. ⚡ Performance & Database Optimization Application profiling, SQL optimization, indexing, caching, background processing, large imports, API response optimization, server-load reduction, and Core Web Vitals. ## Core technologies **Backend:** PHP, Laravel, ASP.NET Core, C#, CodeIgniter, Yii **Frontend:** Angular, TypeScript, RxJS, Signals, JavaScript, HTML5, CSS3 **AI:** OpenAI APIs, Ollama, local LLMs, RAG, embeddings, ChromaDB **eCommerce:** WooCommerce, WordPress, Shopify, Shopify Plus **Databases:** PostgreSQL, MySQL, Oracle **Architecture:** REST APIs, YARP API Gateway, JWT, caching, queues **Testing:** Playwright, API testing, automated end-to-end testing **Integrations:** Payments, shipping, CRM, ERP, marketplaces, and webhooks ## Typical projects • Laravel and ASP.NET Core applications • Angular dashboards and enterprise interfaces • Banking and financial software architecture • REST API development and modernization • WooCommerce plugins and advanced store functionality • AI assistants and RAG-based search systems • Local AI solutions using Ollama • Payment, shipping, CRM, and ERP integrations • PostgreSQL, MySQL, and Oracle optimization • Large data processing and product synchronization • Legacy PHP application modernization • Debugging complex production issues Clients work with me when they need someone who can quickly understand an existing system, find the real cause of a problem, and implement a practical solution without unnecessary complexity. If you are building a new platform, improving an existing application, or trying to solve a difficult technical problem, send me the details. I can review the requirements and recommend the best next step.