I’m a Senior Full Stack Developer and Software Architect with 13+ years of experience building scalable web applications using .NET, ASP.NET Core, Angular, C#, TypeScript, SQL Server, Azure, and modern cloud technologies. I specialize in full stack development with ASP.NET Core and Angular, developing enterprise-grade SaaS platforms, business applications, CRM systems, ERP systems, dashboards, REST APIs, and cloud-native solutions. My core stack includes: • .NET / .NET Core / .NET 6 / .NET 7 / .NET 8 / .NET 9 • ASP.NET Core • C# Development • Angular 12 / Angular 13 / Angular 14 / Angular 15 / Angular 16 / Angular 17 / Angular 18 / Angular 19 • TypeScript / JavaScript • Full Stack Development • Web API / REST API Development • Entity Framework Core • SQL Server / PostgreSQL / MySQL • Azure Cloud / Azure App Services / Azure DevOps • Microservices Architecture • Docker / Kubernetes • CI/CD Pipelines • SignalR • Clean Architecture • Domain-Driven Design (DDD) • Software Architecture • SaaS Development • Enterprise Application Development • Performance Optimization • API Integration • Authentication & Authorization • JWT / OAuth • Redis / Caching • Agile / Scrum As a Full Stack .NET Developer and Angular Developer, I help businesses build fast, secure, maintainable, and scalable applications with modern UI/UX and robust backend architecture. I have experience leading development teams, designing scalable .NET architectures, modernizing legacy ASP.NET applications, and building Angular frontends integrated with ASP.NET Core APIs. I can help with: - Full Stack .NET & Angular Development - ASP.NET Core Web Applications -Angular SPA Development -SaaS Product Development -Enterprise Software Development -REST API Development -Cloud Migration & Azure Solutions -Legacy System Modernization -Team Leadership & Code Review -Software Architecture Consulting -Performance Optimization -AI-assisted Development Workflows I focus on clean code, scalable architecture, fast delivery, and long-term collaboration. If you need a Senior .NET Developer, ASP.NET Core Developer, Angular Developer, or Full Stack Engineer who understands both business and technology - let’s connect.

AI Developer specializing in Generative AI, Computer Vision, and Audio AI systems. I design and deploy production-grade AI solutions built from scratch for image, video, audio, and multimodal applications. My work focuses on system-level development: from architecture design and model training to optimization and deployment, delivering scalable AI components ready for real-world environments. Core Expertise Generative AI Systems ▪️ Diffusion-based image and video generation (SDXL, FLUX, ControlNet) ▪️ Controlled generation, inpainting, style transfer ▪️ Text-to-video and 3D generation pipelines ▪️ Neural speech synthesis and AI audio generation ▪️ Synthetic data generation for model training Computer Vision ▪️ Object detection, tracking, and segmentation ▪️ OCR, pose estimation, face recognition ▪️ 3D reconstruction and depth estimation ▪️ Real-time and edge-optimized vision systems Audio AI & DSP ▪️ Audio segmentation and source separation ▪️ Spectrogram-based modeling and transformer audio embeddings ▪️ Speech recognition and synthesis systems ▪️ Feature-driven audio analysis pipelines ▪️ Cross-modal (audio–vision–text) modeling Machine Learning & Architecture ▪️ Custom neural network architecture design (CNNs, U-Nets, Transformers) ▪️ End-to-end ML lifecycle: data strategy → training → validation → deployment ▪️ Performance optimization for accuracy, latency, and hardware constraints Deployment & Edge Systems ▪️ Cloud, on-premise, and edge deployment ▪️ Dockerized inference services ▪️ ONNX / TensorRT optimization ▪️ Mobile and embedded AI systems What I Deliver ▪️ Custom AI system development (from scratch) ▪️ Structured R&D and technical validation ▪️ Production-ready ML / CV / multimodal pipelines ▪️ Scalable architecture aligned with product and business goals

Startup developer with 12 years of experience, hundreds of projects, and $60M raised. I write code, build architecture, manage people, participate in UX and product design, and research competitors. CTO, Developer, UX Designer, Product Designer, Senior (Principal) Engineer, problem solver, PM, playboy, and billionaire 😂 Like Tony Stark, but a bit cooler. Come with an idea and money — I’ll handle the rest. In a startup, a reliable technical partner is crucial. Believe me, I’ve seen many startups go bankrupt because of foolish people burning through the budget. I know more about your idea than you do. Technical execution is on me — the rest depends on you. Contact. === Available for US, Canada, Europe, and worldwide projects. Digital nomad with flexible working hours across time zones. Portfolio and CV in the first portfolio item below "Portfolio, Info, CV". Keywords: React, Next.js, JavaScript, TypeScript, Node.js, Full-stack developer, Frontend developer, Web development, Senior developer, 12 years experience, 200+ projects, Top 0.5% Upwork, $60M+ raised, Startup specialist, MVP development, SaaS development, AI integration, UI/UX design, API development, Mobile development, Cross-platform, Cloud development, React Native, Angular, Vue, Nuxt.js, Remix, Astro, Gatsby, Svelte, Redux, Zustand, Mobx, Recoil, Context API, React Query, HTML5, CSS3, SASS/SCSS, PostCSS, WebSocket, Socket.io, WebRTC, SSG, SSR, ESLint, Husky, Zod, Yup, react-hook-form, Formik, Monorepo, pnpm, Nest.js, Fastify, AWS, Google Cloud, Azure, Supabase, MongoDB, PostgreSQL, TypeORM, Prisma, RabbitMQ, REST, GraphQL, Apollo, Express, Axios, Stripe, Hubspot, Cloud APIs, Tailwind CSS, ShadCN, Radix UI, Material UI, MUI, MUI X, Magic UI, Bootstrap, Ant Design, Chakra UI, Mantine, Storybook, Design Systems, Figma in Code, Code in Figma, NativeBase, React Native Paper, React Native Elements, Ionic, Electron, GlueStack, Vite, Webpack, Gulp, Rollup, Turbopack, Vercel, Netlify, Heroku, Strapi, Contentful, Sanity, Storyblok, GraphCMS, Netlify CMS, OpenAI, ChatGPT, Replit, Cursor AI, Lovable, Vercel v0, Figma to Code, make.com, n8n, Custom web applications, E-commerce development, Dashboard development, Data visualization, Performance optimization, Code refactoring, Technical consulting, Fractional CTO, FinTech, HealthTech, EdTech, GovTech, E-commerce, Real estate, Travel, Entertainment, React Next.js developer for hire, Senior full-stack JavaScript engineer, Startup MVP development expert, AI-powered web application developer, Custom SaaS platform development, Enterprise web application developer, Cross-platform mobile app developer, UI/UX design and development, API integration specialist, Cloud architecture consultant, Hire React developer, Web development services, Custom software development, Rapid prototyping, Technical consulting, Code review, Performance optimization, Scalable architecture, Responsive design, Mobile-first development, Remote developer, US Canada Europe, Worldwide available, Digital nomad, Flexible hours, Time zone flexible, Fast delivery, Cost-effective, Direct communication, No intermediaries, Quality guaranteed, Deadline compliance, Proven track record, Client-focused

Are you in search of a dynamic and highly skilled developer to supercharge your projects? Look no further! 🚀 Hey there, I'm Volodymyr, your go-to Full-stack developer with a passion for creating cutting-edge software solutions. With 7 years of hands-on experience, I specialize in taking ideas from concept to full-fledged software with unwavering dedication. Here's a snapshot of what I bring to the table: 📌 Mastery of JavaScript/TypeScript 📌 Expertise in Node.js, Nest.js, and Next.js 📌 Python experienced 📌 Proficiency in crafting stunning user interfaces with React.js and Angular 📌 A knack for selecting the perfect framework to match your project's unique needs But that's not all! Let's dive deeper into my skill set for an even more impressive lineup: - React.js, Next.js, Angular, Nest.js, Express.js - TypeORM, Redux (toolkit/hook forms), JSX, MUI, Bootstrap, Tailwind CSS - SQL and WebSockets - FastAPI, Flask, Django/DRF, SQLAlchemy; - NoSQL databases like MongoDB and Firebase - HTML, CSS, LESS, Sass - Experience with SQLite, MySQL, and PostgreSQL - Cloud expertise with AWS - Version control with Git, GitHub, and GitLab - Agile, Scrum, Kanban, Waterfall, Pair Programming, Feature Driven Development I'm all about excellence, and I thrive on tackling projects of any complexity. I'm a fast learner and a tech enthusiast, always eager to stay ahead of industry trends by adapting to new technologies and frameworks. Communication is key in a successful collaboration, and I'm committed to providing timely, effective solutions that will benefit your project in the long run. I'm confident that my experience and skills are a valuable asset to your company. I'm ready and excited to dive into your project and help you achieve your goals. Let's create something amazing together! 📈 If this sounds like a fit for you, I’d love to chat – invite me to interview and grab some time.

Create and support frontend and backend commercial client-server programs. Develop data synhronyze with main database or corporate web site. Bring webview on you desktop/mobile app with all powerfull of web UI and native. Working with stack: Delphi,Lazarus,Firebird,Sqlite,MsSQL,Vue3,React,Tailwind

Algorithmic development (3D geometry, image processing, 15 years). C++ development (16 years of experience). Understanding user needs and improving given requirements. Consulting on algorithms.

$2.4M+ impact ✅ Webflow Certified Partner & WordPress expert 😉 YOU GET ✔️ 11+ yrs, 15,000+ hours - Senior Webflow Developer, Webflow Designer, Web Developer & Web Designer ✔️ 400+ builds - premium design, conversion-focused, pixel-perfect website development ✔️ $2.4M+ impact as a Webflow Developer, WordPress & Shopify website developer ✔️ 18-24% conversion lift as a Web Designer & Webflow Designer - high-converting, built to convert ✔️ 30-45% faster load as a Webflow Developer and Web Developer - fast loading, mobile-first 🔥 ACHIEVEMENTS ✔️ 11+ yrs, 400+ projects of website development - Webflow Developer, Webflow Designer, Web Developer, WordPress website developer ✔️ 150+ Webflow sites - Figma to Webflow implementation, CMS Collections, custom Figma designs ✔️ 200+ design systems, 50,000+ users Webflow Designer & Web Designer, scalable website development by a senior Web Designer ✔️ 120+ WordPress builds as a website developer - responsive design, clean layouts, full website development ✔️ 80+ WooCommerce stores - €380K+ revenue, Stripe payment integration, built to convert ✔️ 30+ Shopify stores, £8M+ volume - conversion-focused, premium brand ✔️ 1,200+ CMS Collections - clean structure, clean scalable Webflow build, Finsweet ✔️ 5,000+ components - pixel-accurate, responsive layouts, mobile responsive ✔️ 25-35% more traffic, 40% lower bounce - technical SEO, on-page SEO, SEO-friendly ✔️ 99%+ on-time · 100% JSS · <4h response - premium look, feel premium website development 🚚 WHERE I DELIVER ✔️ Webflow Developer & Web Developer - 150+ B2B SaaS websites, 18-24% more leads, premium design, Figma to Webflow ✔️ Webflow Designer & Web Designer - 200+ custom Figma designs, pixel-perfect, responsive layouts ✔️ WordPress website developer — 120+ website redesigns, refresh & rebuild, WordPress to Webflow migration, basic SEO setup ✔️ Website development: landing pages (coming soon, conversion landing pages), course & membership platforms (LMS, gated content, tiers - Memberstack) 🏆 WHAT I BUILD 🟢 B2B SaaS websites - 18-24% lift, premium look, conversion-focused, technical SEO, mobile-first 🟢 Ecommerce - 110+ stores, €380K+ revenue, Stripe payment integration, high-converting, premium brand 🟢 Membership - Memberstack, 4-tier gated content, 90%+ retention, easy to update for non-technical teams 🟢 Landing pages - fast loading (sub-1s), built to convert, feel premium, mobile responsive 🟢 AI-powered builds - AI tools & AI-native workflows, 60% faster website development 🟢 Website redesign / refresh / rebuild · audit & cleanup · WordPress to Webflow migration ⚒️ HOW I BUILD ✔️ Webflow Developer - 500+ blocks, clean structure, scalable Webflow build, CMS Collections, SEO-friendly, Finsweet ✔️ Webflow Designer & Web Designer - pixel-perfect, pixel-accurate, premium design responsive designs in Figma product designer ✔️ WordPress website developer - clean structure, clean layouts, responsive design, basic SEO setup, on-page SEO ✔️ Web Developer - AI tools, AI-native, AI-powered builds (Claude Code, Lovable, LLM APIs) ✔️ Make, Zapier, Airtable - automations saving 10+ hrs/week ✔️ Mobile responsive, mobile-first, responsive layouts everywhere - no generic templates 🔗 TOOLS Webflow Developer & Webflow Designer: CMS Collections · Figma designs · Memberstack · Finsweet · Airtable · Make · Zapier WordPress & Web Developer: ACF · WooCommerce · Stripe payment integration · WP Rocket SEO: Google Search Console · GA4 · Google Tag Manager · technical SEO · on-page SEO · basic SEO setup · SEO-friendly AI: AI tools, AI-native, AI-powered - Claude Code, Lovable, LLM APIs 💡 WHY IT WORKS Senior Webflow Developer, Webflow Designer, Web Developer, Web Designer & WordPress website developer: ✔️ Premium look - feel premium, premium brand, no generic templates, no generic AI-style content ✔️ Clean structure, clean layouts, scalable - 50% faster edits, easy to update without a developer ✔️ Conversion-focused, high-converting - 18-24% lift on responsive, fast loading builds ✔️ Make, Zapier, Airtable on any build ✔️ Take ownership, work independently ✔️ Web Designer who communicates clearly - excellent skills ✔️ Loom video walkthroughs · portfolio examples (3-5 projects) ✔️ US/UK/Eastern Time availability - confirm timeline & availability ✅ WHAT YOU GET ✔️ Webflow Developer & Web Developer - premium, responsive, fast loading website development; long-term partner ✔️ Webflow Designer & Web Designer - pixel-accurate Figma to Webflow, custom Figma designs, mobile responsive, no generic templates ✔️ WordPress website developer & Web Developer - 120+ builds, responsive design, WordPress to Webflow migration ✔️ Long-term partner - retainer & maintenance, ongoing role, long-term relationship; easy to update UI/UX designer full redesign SaaS website and key landing pages SaaS directory builds WordPress Membership & LMS Platform Build (LearnDash, PMPro/MemberPress, GeoDirectory, Stripe) Paid Memberships Pro MemberPress

Greetings! I have been working as a Java developer for more than 14 years, my main clients are from Europe, Israel, India, China and USA. I am developing both desktop software and web applications, RESTful microservices etc. You can safely entrust me with the work on your project and will never be disappointed in our cooperation, I can guarantee the high responsibility and quality of the tasks that I carry out, which you can be sure of when you take me to your team. Main skills: Java technologies: - Java 8, 9, 11, 17 - JavaFX - Zuul, Ribbon, Eureka - Spring: Core, MVC, Web-flow, Integration, Batch, Boot, Social, Data, Config - Quarkus - Maven 2/3, JUnit 4 - JMS: RabbitMQ, ActiveMQ - JDBC, Hibernate 3.x, Neo4j - ESB, JNDI, JSP - WebDriver - JHipster NodeJS development: assisting libraries: express, async, soap, log4js connectivity: mongodb, redis, stomp-client, socket-io testing, building: should, mocha, grunt deployment: PM2, npm publishing and related activities promises, some EcmaScript 6 thingies Front-end development: Angular HTML 5, CSS 3, JavaScript (ES 5/6) JQuery, Bootstrap Other: pug (jade) Datastores: MySQL, MongoDB, PostgreSQL Other: AWS, Google Cloud, Azure services: Compute Engine, Cloud Storage, Data Store, SQL regular usage of Linux-based systems (anything necessary to develop and support software) infrastructure: Jenkins, SVN, git - commit/push/pull level ActiveMQ, Camel Elasticsearch

Are you looking for a professional software developer who can solve unsolved tasks, is highly organized, and has deep knowledge and experience developing optimized and robust code? I'm an experienced and dedicated professional with over 16 years of experience in designing, developing, implementing, and supporting software solutions. My aim is to create fast, lightweight, and highly optimized solutions that perform well with minimal use of system resources. My favorite kind of work is solving unsolvable problems. My main skills are fast learning and ongoing professional development. Last two years I made mostly cross-platform desktop/mobile applications on the Qt framework using C++, QML, and CMake. Difficult unsolvable problems are my favorite job. And I am sure that my experience, knowledge, and enthusiasm will help to solve any of your problems.

I've got over 10 years experience in macOS and iOS development and 3 years in android. Over the last 4 years I've been working on retail, voip, geolocation, messanger, business and utility apps. My experience involves developing key features of the client app as part of team as well as a designing apps from scratch as a stand-alone developer. My other areas: asynchronous Unit testing, TDD, reviewing the UI and user mechanics, security and cryptography, continuous integration and deployment, app store/google play submission. Cross-platform experience includes xamarin, phonegap/cordova, appcelerator. List of major iOS android technologies I'm dealing with: iOS: Core Data: modelling, testing, designing Data Access Layer Concurrency: (GCD, NSOperationQueue, concurrent core data) Networking frameworks(REST, SOAP, Protobuf APIs. NSURLSession, Socket.IO) Core Data, Core Media, Mobile Security, Core Audio, Core Graphics, Core Video: video filters, https livestreaming iOS extensions WatchKit Photos Framework Webkit : javascript to native bridges Analytics and crash reporting: Google analytics, Crashlytics, Flurry, Mixpanel), MapKit PushKit, push notifications libSVG, vector graphics frameworks iAd, PDF Kit, UI kit, autolayouts, Quartz core, xCode profiling tools, external profiling tools. Asynchronous unit tests (xCode 7,8) jenkins Android: Google+ API Calendar API Google maps API v2 Google drive API Gmail API Contacts API Media projection API Other: EWS/Exchange Instagram, Facebook, Linkedin , Twitter APIs all popular MBaaS stacks