Oleksandr L.

🟢 An experienced (10+ years) and reliable Angular web apps, AI Integrations, SaaS, MVP, Proof of Concept, prototypes developer to build clean UIs, implement modern, upgrade or scale your existing Web app. • Web developer with a proven track record of 77+ completed jobs and a 100% Job Success Score. 🔥🔥🔥 𝗟𝗲𝘁’𝘀 𝗴𝗲𝘁 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗯𝗮𝗰𝗸 𝗼𝗻 𝘁𝗿𝗮𝗰𝗸. 𝗖𝗹𝗶𝗰𝗸 𝘁𝗵𝗲 "𝗜𝗻𝘃𝗶𝘁𝗲" 𝗯𝘂𝘁𝘁𝗼𝗻, 𝗮𝗻𝗱 𝗹𝗲𝘁'𝘀 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝘆𝗼𝘂𝗿 𝘁𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗰𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲𝘀! 🟢 How I Can Help You 🔹Web Apps & PWA & Hybrid Mobile & AI Integration & SAAS Apps prototype build: • Design and build robust Web Apps solutions entirely from scratch, setting up a clean and scalable foundation from day one. Seamlessly upgrade and modernize your existing legacy applications to current web standards, fix critical bugs, and provide long-term maintenance. 🔹 AI Features Integration & Smart Applications: • Leverage cutting-edge AI technologies to build and embed intelligent features into your applications. Whether you need to integrate powerful Large Language Models (LLMs), build custom AI assistants (like the NIA assistant in my portfolio), implement smart search, or connect to AI Chat agents and MCP servers to build highly automated workflows, I ensure your application is smart, predictive, and future-proof. 🔹Mobile & Cross-Platform Extensions (Android & PWA): • Rapidly scale your SaaS MVP or web ecosystem into the mobile market with high-performance Android applications and progressive web architectures. I specialize in bridging cloud backends and AI-powered workflows into smooth, responsive mobile apps 🔹Feature Development & UI Implementation: • Build reusable, clean, and pixel-perfect UI components from scratch using Angular Material, Bootstrap, and Tailwind CSS. 🔹State Management & Async Data: • I implement reliable data-flows using RxJS, NgRx, or Signal-based stores to keep your frontend perfectly synchronized with your backend APIs. 🔹Third-Party Integrations: • Deep experience integrating REST APIs, payment gateways (PayPal/Stripe), authentication flows and external platforms (Google Drive, YouTube, Maps APIs, Chart.js). 🔹AI-Assisted Efficiency: • Utilize modern AI workflows and coding agents to speed up routine tasks, boilerplate generation, and prototyping, delivering solid results within short timelines. 🟢 𝗛𝗼𝘄 𝗜 𝗖𝗮𝗻 𝗛𝗲𝗹𝗽 𝗬𝗼𝘂𝗿 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀: 𝗚𝗿𝗲𝗲𝗻𝗳𝗶𝗲𝗹𝗱 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 & 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: • I design and build robust, clean Angular/React applications from scratch. By setting up a future-proof architecture (Signals, Standalone Components, Clean Architecture) from day one, I ensure your product is scalable, easy to maintain, and ready for rapid feature deployment. 𝗘𝘅𝗽𝗮𝗻𝗱 𝘁𝗼 𝗠𝗼𝗯𝗶𝗹𝗲 & 𝗢𝗳𝗳𝗹𝗶𝗻𝗲 𝘃𝗶𝗮 𝗣𝗪𝗔 & 𝗛𝘆𝗯𝗿𝗶𝗱 𝗔𝗽𝗽𝘀: • I build and convert Angular applications into high-performance PWAs and Hybrid mobile apps. This gives your users offline access and a native-like experience on iOS and Android—all managed from a single, cost-effective codebase. 𝗔𝗰𝗰𝗲𝗹𝗲𝗿𝗮𝘁𝗲 𝗧𝗶𝗺𝗲-𝘁𝗼-𝗠𝗮𝗿𝗸𝗲𝘁: • Need a feature yesterday? I leverage advanced AI coding workflows (MCP servers, AI agents) to architect, prototype, and deploy complex modules at maximum speed without sacrificing quality. 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗦𝗲𝗮𝗺𝗹𝗲𝘀𝘀 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻: • Eliminate communication gaps between front-end and back-end teams. With deep ASP.NET Core expertise, I build flawless, secure integrations between your user interface and APIs. 𝗙𝗶𝘅 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 & 𝗦𝗰𝗮𝗹𝗲 𝗜𝘀𝘀𝘂𝗲𝘀: • Optimize complex routing, guards, state management (NgRx/Signals), and heavy data loads to ensure a lightning-fast user experience. ✅ 𝗠𝘆 𝗖𝗼𝗿𝗲 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮 𝗦𝘁𝗮𝗰𝗸: 𝗙𝗿𝗼𝗻𝘁-𝗘𝗻𝗱: • Angular (Signals, Signal Forms, Signal-based Store, RxJS, PWA, Material) 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲: • SOLID, Clean Architecture, Design Patterns, OOP, Docker, Ubuntu, CI/CD 𝗔𝗜 𝘁𝗼𝗼𝗹𝘀 • AI-Augmented Engineering: Proficient in using AI coding agents, prompt/context engineering and MCP protocol integration to accelerate software delivery Secondary: 𝗕𝗮𝗰𝗸-𝗘𝗻𝗱: • ASP.NET Core, Web API • MS SQL, PostgreSQL, MySQL, MongoDB • NodeJS 🟢 𝗪𝗵𝗮𝘁 𝗜𝘁’𝘀 𝗟𝗶𝗸𝗲 𝘁𝗼 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲: 𝗭𝗲𝗿𝗼 𝗚𝗵𝗼𝘀𝘁𝗶𝗻𝗴: • Self-managed, highly communicative, and punctual. You won't have to micromanage me. 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀-𝗙𝗶𝗿𝘀𝘁 𝗔𝗽𝗽𝗿𝗼𝗮𝗰𝗵: • I don't just write code; I focus on your product goals, user experience, and long-term maintainability.