I'm a skilled developer with 10+ years of experience in the software industry, especially within Microsoft, cloud & mobile app solutions. Tell me your needs and I will do my best to help you. Having previously worked with large enterprises as well as many smaller start-ups, I have a broad range of experience and knowledge of the full software delivery lifecycle. Why should you hire me: ✅ I work fast and achieve your goals on time ✅ My total programming experience is 10+ years ✅ 200+ successful projects delivered ✅ Solid logic reasoning and problem-solving skills ✅ Responsiveness and high-quality delivery ✅ Best software development practices using ✅ Highly skilled Full Stack Developer and Mobile Developer team for enterprise solutions I am not interested in "one-hour" or "one-day" jobs. I establish long-lasting relationships with my clients. I always consider a commitment to the result as the first priority. Since 2015, I've been working as CEO at Lvivity - a boutique dev shop that I founded. My team will deliver you the best service, communication, and also reliable, and scalable code that will fulfill your business needs. Here is a list of technologies I have experience with: 🔸 Programming - .NET C# Architect, PM, BA, CEO @ Lvivity.com 🔸 Databases - MSSQL, MySQL, MongoDB, Oracle, Flat files (CSV, XML) 🔸 Source Control - TFS, GIT, SVN 🔸 API's - Google, eBay, Facebook, LinkedIn, Twitter, Amazon 🔸 And much more: ASP.NET MVC / Core2 / WPF / Xamarin / SWIFT, React.Native, Flutter, Azure, AWS So, I guarantee my enthusiasm for work and fulfilling my project with inexpressible efforts.

🚨 AVAILABLE TODAY! Let's launch or scale your online store this week. I build fast, high-converting ecommerce platforms from custom Shopify stores to headless architectures 📌 Book a FREE 15-30 minute consultation to discuss your project and strategic goals. 💬 Let's Create Together! 📈 Why Partner With Me? → Platform-agnostic expertise - I match the right technology to your business needs. → Full-stack ownership - From UI/UX design to backend logic and third-party integrations. → Ecommerce-focused results - Every decision is made to improve conversion, AOV, and scalability. → Clear, reliable process - Regular updates, on-time delivery, and thorough documentation. 🚀 What I Build for Your Business ✅ Custom Online Stores - Scalable Shopify, WooCommerce, and Magento stores optimized for user experience and conversion. ✅ High-Performance Frontends - Fast, mobile-responsive storefronts using React, JavaScript (ES6+), HTML5, and CSS3 with a focus on Core Web Vitals. ✅ Robust Ecommerce Backends - Custom Node.js and PHP backend systems, REST API integrations (payment, shipping, CRM), and secure database architecture. ✅ Mobile-First Shopping Experiences - Cross-platform mobile apps with React Native for iOS and Android to extend your store’s reach. ✅ SEO & Performance Optimization - Search Engine Optimization, technical SEO, and speed optimization to improve rankings and user engagement. ✅ Full-Stack Project Leadership - End-to-end development, from web design and graphic integration (Adobe Photoshop) to software testing, deployment, and maintenance. 🔧 Ecommerce Platform Expertise Shopify Development Custom theme & template development using Liquid, Shopify SEO optimization, custom app creation, and headless storefronts with React and Next.js. I build fast, conversion-focused stores tailored to your brand. WordPress & WooCommerce Custom WordPress development, complex WooCommerce integrations, custom plugins, and headless setups. I treat WordPress as a powerful CMS framework to deliver flexible, high-performance ecommerce sites. Magento & Custom Ecommerce Solutions Enterprise-level Magento development and scalable custom platforms. I build marketplace systems, subscription models, and complex product configurators with robust backend logic. 🛠 Technical Toolbox Platforms: Shopify, WooCommerce, Magento, Headless CMS Frontend: React, Next.js, JavaScript (ES6+), HTML5, CSS3, jQuery, Tailwind CSS Backend: Node.js, PHP, REST API Development, Custom Plugin/App Development Mobile: React Native, Expo Design & SEO: Adobe Photoshop, Graphic Design, Web Design, SEO Optimization, Shopify SEO Tools: Git, Docker, Software Testing, Content Management Systems Let’s build an ecommerce store that grows with your brand. 💬 Message me to discuss your project vision, platform choice, and launch goals.

I'm Andrey — a Senior С# and .net Engineer with over 8 years of professional experience and 60+ successfully delivered projects. I specialize in building enterprise-grade systems where Azure cloud infrastructure and Angular frontends meet robust ASP.NET backends. My expertise in Javascript and modern web standards allows me to design architectures that withstand 3M+ monthly users while passing rigorous security audits. 🏆 CORE STRENGTHS & IMPACT 🔹 Enterprise Backend: Architecting stable ASP.NET Core and .net services with 99.9% uptime. By leveraging С# for mission-critical logic, I ensure that every Azure deployment is optimized for high-load performance and military-grade security. 🔹 Modern Frontend: Developing fast Angular interfaces with 95+ Google PageSpeed scores. I bridge the gap between complex Javascript logic and seamless UI, ensuring that my ASP.NET integrations remain responsive and user-friendly. 🔹 Cloud & Data: Optimizing Azure SQL and MongoDB databases, reducing query latency by 45%. My deep knowledge of the .net ecosystem and С# allows me to handle complex migrations from legacy platforms to modern Angular applications. 🔹 Full Stack Integration: Seamless API integration for distributed services. I use Javascript to build interactive dashboards and ASP.NET to process heavy data, ensuring that your С# codebase remains maintainable and scalable. ⚡ COLLABORATIVE LEADERSHIP I thrive in environments where I can lead engineering teams as a Senior .net Architect. I frequently coordinate the transition of corporate ERP portals to Azure, ensuring that the Angular frontend and ASP.NET backend are perfectly synchronized through clean Javascript communication layers. My mastery of С# and the broader .net framework allows me to achieve a 40% reduction in operational costs for my clients. Whether it’s a high-performance Angular portal or a secure Azure environment, I focus on delivering a comprehensive ASP.NET solution. I ensure that every line of Javascript and С# code I write is extensible and ready for future growth. 🛠 TECH STACK: 💻 Backend: С#, .net, ASP.NET Core, Web API, SignalR, Python. 🌐 Frontend: Angular, Javascript, TypeScript, HTML5, CSS3, React. ☁️ Cloud/DB: Azure, ASP.NET Identity, SQL Server, PostgreSQL, Docker. 🛠 Tools: Azure DevOps, Angular CLI, Git, CI/CD pipelines. ⭐ If you need a Senior .net Developer who confidently masters С#, ASP.NET, and Angular to deliver real business value via Azure and Javascript — let’s connect!

I am an ambitious professional modern WEB and SPA developer with expertise in React and Node.js. So can develop both front-end and back-end. I`m highly involved, add my special touch to everything I do, though my customers' desires are a priority #1. I have worked on a huge amount of projects, with a lot of companies. Now I decided to discover UpWork. I hope that you will look at the experience and skills, but not for the current account creation date or working hours. I keep developing every day and looking for incredible projects and ideas to bring them to life. Also, I have launched a few startups and know not only business needs, but UX/UI too. Looking forward to making a great job!

I'm a CEO of a development team and entrepreneur with a passion for ideas and creative problem solving. My successful experience in creating web projects is backed with high-level skills of my team. Our primary strengths is e-Commerce solutions and information portals. We excel at creating highly functional, good-looking solutions from the ground up. As a developer, I have a full understanding of the technical side. As an entrepreneur, I'm best known how to get results and create an amazing experience for you, and your customers. My key responsibilities are to perform infrastructure project management activities, which include project scope planning, requirement gathering, project planning, task planning, and execution. Since I've started my own company from zero, I know how to organize successful product. I'm a business minded person, first of all. So, I hope to be useful for you. My success is built on your success. So let's do what it takes to make us both achieve greatness.

👋 Tired of outrageously overpriced design looking like 2010 themes? I make SaaS companies and startups look like they've already raised $10M - without burning a dime. 🚀 What you actually get: - UX/UI & Web Design based on real user-oriented trends (not Dribbble nonsense) - Simplistic, high-converting layouts based on what actually converts - Experience working with Enterprise Clients in Marketing, Architecture & Medical niches - A good pre-sale process to establish scope, remove surprises, and reduce "client therapy" sessions 🧠 Skills & Services (SEO-friendly and legit): - Web development, design & QA testing - Product design for web applications - Branding & graphic design - WordPress, WooCommerce, and Shopify design & development - SEO-friendly website structure - Custom CMS with Node.js for "big" guys. 📦 Reasonable price. Bespoke quality. No buzzwords (apart from this one). 💎 Design Skills: Expertise in UX Design, UI Design, website design, WordPress website design, e-commerce UX/UI design, wireframes, web design, landing page design, SaaS design, product design, and creating websites from scratch. 💎 Development Skills: Proficiency in WordPress website development, frontend and backend development, Figma to WordPress conversion, ReactJS, JavaScript, jQuery, VueJS, Laravel, PHP, and MySQL. 📈 Want to boost your customer base? Click the "Invite" button at the top of my profile. 🌍 Location: Based in Kyiv, Ukraine (Local time: GMT +3)

✅ 5000+ hours worked on Upwork ✅ 50+ happy clients ✅ 70+ projects completed successfully Experienced web developer with core expertise in WordPress/Elementor development. Specializing in both Back/Front end development. With my expertise in WordPress, I can provide a wide range of services, including plugin customization, theming, Gutenberg blocks, PSD to WordPress conversion, REST API and WooCommerce. Proficiency: − Programming Languages and Tools: PHP, JavaScript, CSS, MySQL − PHP Frameworks: Laravel, − CMS: WordPress, Woocommerce, Elementor PRO − JavaScript Frameworks: jQuery, Vue.js, React − Databases: MySQL, MSSQL, SQLite − Technologies: PHP 5.6+, MySQL 5+, XHTML/HTML/HTML5, JavaScript, CSS/CSS3, SASS/SCSS, MVC (Model View Controller), ORM Doctrine 2, Gulp, Webpack. As a goal-oriented, diligent, responsible, and communicative person, I'm committed to delivering high-quality work that meets your needs. Whether you need a custom web development project or help with an existing website, I'm dedicated to providing the best possible service.

I help founders to build SaaS, MVP and grow from 0 to first $10k MRR and more. Also I develop Chrome Extensions, Adobe UXP, CEP extentions, AI agents, site scraping tools, integrate with Stripe using TypeScript, JavaScript, NodeJs, React, AWS Playwright and PHP For the healthcare and fintech domain I use Java, Spring Boot I am 13 years in a code. I am Ukrainian I have my own IT products (SaaS, mobile app and Chrome Extension) I know how to built software fast and be prepared for x10 scale I don't care about the money, though it is an important part of it. If I don't like you idea/product I won't do it Below is for Upwork search engine: ✅ (Domains): Logistics, Mobility, Travel, IT Security, Banking, HealthCare, RealEstate, CRM, LMS, EdTech, Automation ✅ (Backend) - JavaScript, TypeScript, NodeJs, Express, Nest, Java, Spring Boot, Spring MVC, Spring Data Jpa, Spring Data Quarkus, Mongo, Python, Django, Flask, Spring Security, Hibernate, Quartz API, Jersey, Jackson, Gson, Swagger, Http, Https, SOAP, REST, ActiveMQ, AWS EC2, AWS ECS, AWS S3, AWS Cognito, Lambda, SQS, Aurora, Event Bus, Cloudformation, Firebase, Tomcat, Glassfish, Jboss, Wildfly, Payara, Ant, Maven, PostgreSQL, MySQL, h2, Netsize, Datalex, Keycloak, Camunda, Kafka, Kubernetes, Docker, Docker Compose, Protobuf, gRPC, Chat GPT, Stripe, PayPal, Apple Pay, Google Play, ✅ (Something non-standard): DrawIO customization, Thales, Gemalto integration, Adobe Illustrator Extension, Jira Plugin, Confluence Plugin, Chrome Extension, Telegram Chatbot, WhatsApp Chatbot, Facebook Chatbot, Browser Automation Studio (BAS), RAG, Retrieval Augmented Generation, Adobe Developer, CEP Developer, UXP Developer, Photoshop Scripts, Photoshop Actions, PSJS, NIFI Apache Dashboard, Cursor IDE, lovable, create.xyz, Shopify Store, shopify developer ✅ (Frontend): HTML/CSS, JavaScript, JQuery, ReactJS, Vue JS, D3.js, npm, webpack, babel. plasmo

I'm the Founder & CEO of two AI companies - UppLabs (Top 1% AI development agency on Clutch & Upwork) and OpsWorks Co. (DevOps and Cloud consultancy, AWS, GCP amd Azure Partner) - with a combined team of 50+ certified engineers. BY THE NUMBERS: 🏆 100+ AI, DevOps, and software projects delivered 🏆 $2M+ combined earned on Upwork, 100% Job Success Score 🏆 $100M+ in client revenue generated 🏆 100+ certifications across the team 🏆 60,000+ hours logged, 200+ completed contracts TWO THINGS WE DO BETTER THAN ALMOST ANYONE ON UPWORK: 🤖 1. BUILD AI-POWERED SOFTWARE Custom AI agents, RAG pipelines, production ML models, and full-stack platforms for Fintech, Healthcare, and PropTech. Not ChatGPT wrappers - real systems that process transactions, automate clinical workflows, and make business decisions. Clients include Deloitte, Citibank, Disney, and TimelyCare. ⚙️ 2. BUILD INFRASTRUCTURE THAT RUNS ITSELF AI-augmented DevOps, AWS/GCP/Azure architecture, and intelligent monitoring that self-heals, auto-scales, and cuts cloud costs. ETX Capital cut infrastructure spend by 50%. Syndigo cut costs by 92%. Vodafone improved efficiency by 40%. HOW WE WORK - AI-NATIVE FROM DAY ONE: We don't just build AI products - we use AI agents and modern automation internally to deliver faster and better than traditional teams. 🛠️ On the development side: - AI-assisted architecture design and code generation to ship features 3x faster - Agentic code review pipelines that catch bugs and security issues before humans do - LLM-powered test generation and documentation — zero manual overhead - AI pair programming across the entire engineering team as standard practice 🔁 On the DevOps side: - AI agents that monitor infrastructure 24/7, detect anomalies, and self-heal before incidents occur - Intelligent CI/CD pipelines with LLM-powered deployment gating and rollback triggers - Agentic cost optimization that continuously rightsizes resources and eliminates waste - AI-driven incident response that diagnoses, escalates, and resolves issues autonomously 💡 The result: your product gets built faster, your infrastructure costs less, and your team spends zero time on problems that machines can handle. WHAT YOU GET: ✅ Production-ready AI: agents, LLM pipelines, fraud detection, clinical AI, compliance automation ✅ AI-native web and mobile apps built to scale (React, Next.js, React Native) ✅ Zero-downtime infrastructure on AWS, Azure, GCP with Kubernetes and Terraform ✅ Full compliance: HIPAA, SOC2, PCI DSS, ISO 27001, GDPR, OWASP ✅ Cloud cost reduction of up to 90% using AI-driven optimization ✅ MVPs shipped in weeks, not months - 3x faster time-to-market Whether you need an intelligent product built from scratch or infrastructure that stops costing you sleep - let's talk. 🚀

🚀 Senior Full-Stack TypeScript & AI Engineer with 8+ years of experience building production web applications, APIs, automation systems, internal tools, and AI-powered products. I help startups and businesses design, build, and scale modern software using Next.js, React, Node.js, and TypeScript — from SaaS platforms and customer-facing products to workflow automation, AI applications, and complex integrations. My background combines strong frontend engineering, scalable backend architecture, API development, automation systems, and AI-powered workflows. I deliver clean, maintainable, and well-tested software from architecture and implementation through deployment and long-term support. ✅ 8+ years commercial experience ✅ Full-stack ownership from frontend to infrastructure ✅ AI integrations, automation, and API expertise ✅ Technical consulting and architecture guidance ✅ English communication & async-friendly collaboration 🛠 What I Build • SaaS platforms and custom web applications using Next.js, React, Vue.js, and TypeScript • Backend services and APIs using Node.js, NestJS, Express, GraphQL, and REST • AI-powered applications using OpenAI, Claude, and modern LLM technologies • AI assistants, chatbots, and agent-based systems • Workflow automation using n8n and custom backend services • Internal tools, dashboards, and operational systems • API integrations, webhook systems, and third-party platform connections • Admin panels and business management platforms • Full-stack architectures designed for performance and scalability • End-to-end product development from architecture to deployment 🤖 AI & Automation • OpenAI API integrations • Claude API integrations • AI-powered application features • LLM-powered SaaS products • AI assistants and chatbots • Prompt engineering and tool-calling workflows • Agent orchestration and multi-step automation • Workflow automation with n8n • Mastra agent development and orchestration • Retrieval-Augmented Generation (RAG) • Embeddings and vector search • Document processing and knowledge systems • AI-powered internal tools • AI consulting and architecture guidance 🧱 Recent Work • Built production SaaS applications using Next.js, React, Node.js, GraphQL, and PostgreSQL • Developed scalable REST and GraphQL APIs powering customer-facing platforms • Built complex frontend applications using React, Vue.js, TypeScript, and modern UI frameworks • Integrated OpenAI-powered features into web applications and internal tools • Developed workflow automations and API integrations using n8n and custom backend services • Built reusable UI systems and shared component libraries across products • Improved application performance through bundle optimization, caching, and Webpack tuning • Delivered end-to-end software solutions from architecture and implementation to deployment and maintenance ⚙️ Stack Frontend • Next.js • React • TypeScript • Vue.js 2 & 3 • TailwindCSS • ShadCN UI • Material UI • Vuetify • Bootstrap • React Query • Apollo GraphQL • Redux / Redux Toolkit • Vuex / Pinia • JavaScript • HTML5 • jQuery Backend • Node.js • NestJS • Express.js • GraphQL • REST APIs • Webhooks & API Integrations • PHP • PHP 8 • Laravel • Yii2 Data • PostgreSQL • MySQL • MongoDB • Redis AI & Automation • OpenAI API • Claude API • AI Applications • AI Assistants • Tool Calling • AI Workflow Automation • n8n • Mastra • RAG • Embeddings • Vector Search • AI Integrations Dev Tools • Webpack Optimization • Code Splitting • Vite • GitHub Actions • Storybook Legacy & CMS Experience • Magento • OpenCart 👤 How I Work Detail-oriented, proactive, and focused on long-term maintainability. I write code I'd be comfortable maintaining a year later, communicate clearly throughout the project, and prioritize reliability, scalability, and clean architecture. I also leverage modern AI development tools and automation technologies to accelerate delivery without compromising quality. 💪 Key Strengths • AI application development, integrations, and workflow automation • API architecture, third-party integrations, and backend systems • Frontend and backend ownership in a single engineer • Technical consulting for architecture, scalability, and implementation strategy • Experience working with startups, SaaS products, and growing teams 📩 Tell me about your project, AI application, API integration, automation workflow, or technical challenge — I’ll help you evaluate the scope, trade-offs, and the best path to implementation.