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Full-stack C# .NET developer specializing in Unity game development and cross-platform applications. I can deliver: - Custom Unity games and interactive applications using C#, SOLID principles, and design patterns - Backend systems with .NET Core, REST APIs, and SQL databases - Performance-optimized code with clean architecture and efficient algorithms - Real-time multiplayer functionality and networking solutions - UI/UX implementation with Unity UI system and custom shaders Technical expertise: - C#, .NET Core, Unity3D - Git, CI/CD, Azure DevOps - REST APIs, SQL, MongoDB - Unity Physics, Animation, UI - Cross-platform development (Windows, Android, iOS) Available for part-time collaboration (10-15 hours per week). Committed to: - Clean, maintainable, and well-documented code - Meeting deadlines and regular project updates - Fast response time and professional communication - Continuous learning and staying updated with latest technologies

Hello! I am a student from Ukraine currently studying to become an IT specialist and looking for part-time work. I am motivated, responsible, and always strive to provide the best possible service to every client. I have experience working with files, documents, image creation, and basic website development. I can assist with file formatting, document editing, image processing, content preparation, and various technical tasks. I am also interested in photography and translation. In addition, I have experience with VPS servers, including server setup, deployment, configuration, and basic administration. I can help with Linux server installation, website deployment, Docker setup, VPS configuration, and related technical tasks. I speak four languages: Ukrainian, Russian, English, and German, which allows me to communicate with clients from different countries and assist with translations when needed. While I am still building experience with larger projects, I have successfully completed several small websites and various university IT projects. I am always eager to learn new technologies and take on new challenges. I am committed to delivering quality work, meeting deadlines, and helping each client achieve their goals. I look forward to working with you!

I’m a Startup Partner combining product strategy, UX/UI design, and AI-powered workflows. 🤝 Clients from USA 🇺🇸, Canada 🇨🇦, UK 🇬🇧 and Europe 🇭🇷🇺🇦 👩🏻‍💻 7+ years in design & development 🥇TOP RATED PLUS FREELANCER 💎 100% Job Success MY TOOLS & AI WORKFLOW: 🎨 Figma, Figma AI, Claude Design — UI/UX design, design systems, interactive prototypes 🤖 Claude Code — frontend implementation, code generation, technical validation 🧠 ChatGPT — product research, UX ideation, feature planning, copywriting, brainstorming ⚛️ React, HTML, CSS, JavaScript, TypeScript 🧩 Material UI, Ant Design, HeroUI PRODUCT EXPERIENCE: 🔸 AI-powered products 🔸 SaaS platforms 🔸 Cybersecurity 🔸 Fintech & trading 🔸 Insurance 🔸 Education HOW I HELP: 🔹 Product discovery & idea validation 🔹 UX research, wireframing 🔹 SaaS platforms & AI product design 🔹 Web & mobile application design 🔹 Landing pages 🔹 Design systems & developer-ready Figma files 🔹 Frontend development (React) when needed

 🚀 Need a full product team? I also run A.sential, a startup-focused agency combining product design, development, DevOps, and business analysis. As your product grows, we can support the entire journey If you're looking for a partner who thinks beyond UI and helps shape better products, I'd love to hear about your idea. 🤝 Let's build something great together! ---------------------------------------- Keywords: Startup Partner, Product Design, Product Strategy, UI/UX Design, UX Design, UI Design, SaaS Design, AI Products, AI Design, Dashboard Design, Web Application Design, Mobile App Design, Landing Page Design, Design Systems, Figma, Figma AI, User Experience, User Interface, UX Research, Wireframing, Prototyping, Product Discovery, MVP Design, Startup, B2B SaaS, AI UX, React, Frontend Development, Material UI, Ant Design, HeroUI, HTML, CSS, JavaScript, TypeScript, Responsive Design, Product Thinking, Web Design, Mobile Design

WordPress Speed Optimization Expert with 5+ years of experience. ⚡ I specialize in WordPress performance optimization, Core Web Vitals, PageSpeed Insights, and GTMetrix optimization, delivering real, measurable speed improvements. 🚀 WordPress speed optimization expert at your service. My name is Serge. For the last 5 years, I’ve been focusing exclusively on WordPress speed optimization and WordPress performance optimization. With over 300 WordPress websites optimized, I’ve gained hands-on expertise that I use to improve WordPress website speed, Core Web Vitals, and PageSpeed Insights scores. ⚡ A well-optimized website helps with WordPress SEO and, most importantly, improves user experience, which leads to lower bounce rates and higher conversions. No business can afford a slow website anymore, and no WordPress SEO strategy is complete without proper WordPress speed optimization. 🧩 A well-planned WordPress speed optimization and performance optimization process consists of the following steps: ⚪ WordPress performance audit using PageSpeed Insights and GTMetrix optimization benchmarks. This helps identify weak points in Core Web Vitals (FCP, LCP, CLS, TTFB). ⚪ Website cloning and optimization environment setup: safe testing environment, server comparison, WordPress caching strategy, and CDN setup (Cloudflare, Bunny.net, or similar). ⚪ WordPress caching configuration: choosing and configuring the right caching solution - WP Rocket, LSCache, or server-side Varnish cache, resulting in improved TTFB and overall WordPress performance. ⚪ Asset cleanup and WordPress optimization: image optimization for WordPress, font optimization, lazy loading, database cleanup, and removal of unused assets. ⚪ WordPress performance configuration: core WordPress tuning and Elementor speed optimization, Divi speed optimization, or other page builder performance optimization. ⚪ Testing phase: Nothing goes live until everything is verified. WordPress speed improvements must never break website functionality. Attention to detail and real performance optimization (not cosmetic tweaks) is key here. ⚪ Implementation and reporting: The outcome is improved Core Web Vitals, higher PageSpeed Insights scores, and better GTMetrix benchmarks, while the website functions exactly the same — only faster. 🛠 Tools & plugins I use for WordPress speed optimization: There is no single tool or plugin that fits all WordPress websites; otherwise, WordPress performance optimization would be trivial. WordPress caching: WP Rocket, LSCache, Varnish, W3 Total Cache Asset optimization: Asset CleanUp Pro or similar Image optimization WordPress: Imagify, Hummingbird, EWWW CDN services: Cloudflare, Bunny.net, Amazon S3 This is not a complete list; tools are selected based on what works best for each WordPress website. 🎯 What kind of WordPress speed improvement can you expect? It depends on what WordPress optimization has already been done. * Previously optimized WordPress websites: ~2× performance improvement * Non-optimized WordPress websites: 4–9× speed improvement 📈 PageSpeed Insights scores typically range from 70 (heavy WordPress websites) up to 95+. A precise WordPress performance estimate is provided after the initial speed audit. No guesswork — you know the performance targets before the work begins. 🔧 Do you work with WordPress page builders? Yes. While builders add overhead, Elementor speed optimization and Divi speed optimization can significantly improve WordPress performance. I work with Elementor, Divi, and other WordPress builders. 📍 Do you work with Shopify or other platforms? No. I intentionally focus exclusively on WordPress speed optimization and WordPress performance optimization. I currently do not offer Shopify speed optimization or Webflow speed optimization services. 📌 What other services do you provide? While I don’t build WordPress websites from scratch, I’m proficient in most WordPress-related tasks, including: 🔹 No-downtime WordPress migrations 🔹 Critical error (500x) recovery 🔹 WordPress backup & maintenance services 🔹 Malware removal and security fixes 🔹 Other WordPress optimizations and troubleshooting 🏆 Why choose me for your WordPress speed optimization project? ✓ WordPress speed optimization is my core specialization ✓ I deliver real, measurable WordPress performance improvements ✓ Tool-agnostic approach — I implement what works best for your WordPress website You’re in experienced, reliable hands when trusting me with WordPress performance optimization. 📋 How does the optimization process start? Every project starts with a technical WordPress performance audit (Core Web Vitals, TTFB, caching, assets). Based on real data, I define clear performance targets and an optimization strategy before any changes are applied. 📩 Message me and let’s make your WordPress website fast, stable, and conversion-ready.

𝐃𝐞𝐬𝐢𝐠𝐧𝐢𝐧𝐠 𝐰𝐞𝐛𝐬𝐢𝐭𝐞𝐬 𝐭𝐡𝐚𝐭 𝐡𝐞𝐥𝐩 𝐬𝐦𝐚𝐥𝐥 𝐚𝐧𝐝 𝐦𝐞𝐝𝐢𝐮𝐦 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬𝐞𝐬 𝐬𝐭𝐚𝐧𝐝 𝐨𝐮𝐭, 𝐝𝐞𝐥𝐢𝐯𝐞𝐫 𝐠𝐫𝐞𝐚𝐭 𝐮𝐬𝐞𝐫 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞𝐬, 𝐚𝐧𝐝 𝐛𝐨𝐨𝐬𝐭 𝐜𝐨𝐧𝐯𝐞𝐫𝐬𝐢𝐨𝐧𝐬. 🚀 Health & Beauty • Luxury Brands • AI SaaS • Legal 𝐈𝐟 𝐲𝐨𝐮 𝐧𝐞𝐞𝐝 𝐡𝐞𝐥𝐩 𝐰𝐢𝐭𝐡: 🖥️ Landing Page Creation 🛍️ Product Page Design 🖊️ Wireframing 🚀 MVP Design 🎮 Interactive Prototypes 🔄 Website Redesign 🛠️ UI Kit & Design Systems I can help you complete your project 𝐨𝐧 𝐭𝐢𝐦𝐞 ⏰ and with 𝐡𝐢𝐠𝐡 𝐪𝐮𝐚𝐥𝐢𝐭y ⭐. 💪 This is my personal competency, which will 𝐫𝐞𝐢𝐧𝐟𝐨𝐫𝐜𝐞 𝐭𝐡𝐢𝐬 𝐜𝐥𝐚𝐢𝐦: • I listen actively to understand different viewpoints. • I quickly adjust to changing priorities and handle complexity with ease. • I never let important details slip through the cracks. • I act autonomously, bringing new ideas to the table. • I continuously learn to stay up to date with the latest design trends. • I am happy to discover your niche to ensure the final result will be competitive. I have worked in the following industries: 𝐇𝐞𝐚𝐥𝐭𝐡 & 𝐁𝐞𝐚𝐮𝐭𝐲 | 𝐇𝐞𝐚𝐥𝐭𝐡𝐲 𝐅𝐨𝐨𝐝 𝐁𝐫𝐚𝐧𝐝𝐬 | 𝐋𝐮𝐱𝐮𝐫𝐲 𝐁𝐫𝐚𝐧𝐝𝐬 (𝐂𝐚𝐭𝐞𝐫𝐢𝐧𝐠 & 𝐉𝐞𝐰𝐞𝐥𝐫𝐲) | 𝐀𝐈 𝐒𝐚𝐚𝐒 | 𝐋𝐞𝐠𝐚𝐥 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 If you've never worked with a web designer before or don't have much experience planning these projects, 🤔 I will ask the right questions to guide you through the process. I have questionnaires that I use for most of my projects to gather the information I need from my clients upfront. 📝 I generally do 𝟑 rounds of revisions, but I can do more if needed 🔄. After we finish a project, I'll offer 𝟑𝟎 days of 𝐟𝐫𝐞𝐞 𝐬𝐮𝐩𝐩𝐨𝐫𝐭 to ensure everything runs smoothly. Just contact me once it's live to let me know. 𝐌𝐲 𝐏𝐫𝐨𝐜𝐞𝐬𝐬: 𝟏. I analyze your needs and goals – I take the time to understand your business, target audience, and objectives to create a website that aligns with your vision. 𝟐. I define the most-wanted action – I identify the key actions users should take on your site, ensuring the design guides them toward conversions and engagement. 𝟑. I craft intuitive wireframes and prototypes – I design the structure and layout, ensuring a user-friendly experience before development begins. 𝟒. I design and refine every detail – I bring the visuals to life, fine-tune the aesthetics, and optimize for performance, usability, and engagement. 𝟓. I collaborate with developers and team members if needed – I ensure seamless communication with developers and other stakeholders to guarantee a stunning final result. 🎓I hold UX/UI and Web Design certificates, which allow me to deliver high-quality designs with attention to detail. As a 𝐟𝐮𝐥𝐥-𝐭𝐢𝐦𝐞 𝐟𝐫𝐞𝐞𝐥𝐚𝐧𝐜𝐞𝐫, I'm available throughout the day and can respond within 𝟒 hours ⏰. I invite you to explore my portfolio and reviews to experience the quality of my work firsthand. As a Top-Rated freelancer on Upwork, I take pride in my 𝐜𝐨𝐦𝐦𝐢𝐭𝐦𝐞𝐧𝐭 to delivering outstanding results. 🚀 If you're ready to achieve an 𝐞𝐧𝐠𝐚𝐠𝐢𝐧𝐠 and 𝐮𝐬𝐞𝐫-𝐟𝐫𝐢𝐞𝐧𝐝𝐥𝐲 website, let's start a conversation! Thanks for your time and consideration, Tetiana Last updated: March 2025 KEYWORDS: Web Design Services, UI/UX Design, Landing Page Design, Wireframing and Prototyping, Interactive Web Design, Website Redesign, Clickable Prototype, Color Theory, Typography, MVP Design, Design Systems, Website Optimization, User-Centered Design, Conversion Optimization, Digital Product Design, Full-stack Design, Freelance Web Designer, Professional Web Design, Custom Web Development, Responsive Web Design, High-Quality Web Design, Design Thinking, Creative Web Design, Web Design Solutions, Website User Experience, Figma, GUI, UX/UI, A/B Testing, Google Analytics, CRO, Conversion Rate Optimization, Lead Generation, UX Audit, Mobile-First Design, E-commerce Design, SaaS Design, No-Code Tools, Webflow, Client-Centered Design, Branding, Visual Hierarchy, Minimalist Design, Webflow, Webflow Designer, Webflow Expert, Webflow Developer, Webflow Specialist, Webflow CMS, Webflow UI/UX, Webflow Website Design, Webflow Landing Page, Figma to Webflow, Adobe XD to Webflow, Framer vs Webflow, Webflow eCommerce, Webflow Interactions, Webflow Animations, Webflow Membership, Memberstack, Outseta, Webflow SEO, Webflow Accessibility, Webflow Custom Code, Webflow Responsive Fix, Webflow Mobile Optimization, Webflow Speed Optimization, Webflow Bug Fixing, Webflow CMS Setup, Webflow Zapier Integration, Webflow Form Integration, Webflow Website Redesign, No-code Web Design, UI/UX Web Designer, Figma Web Designer, Web Design Consultant, Webflow Developer for Startups, Conversion-Optimized Design, Creative Landing Page Design, Webflow expert for SaaS landing pages, Figma to Webflow responsive website, Webflow designer for startup MVP, Webflow CMS and SEO optimization, Webflow freelancer for eCommerce project

Are you ready to start working with me? I’m not just a programmer. I take the time to understand your business domain, how your processes actually work, and what your users need. This allows me to create a strong connection between your business requirements, our collaboration, and the software we build. For 17+ years, I’ve been building software professionally, including 13+ years working on real products across multiple companies and industries — from ERP and education to monitoring, healthcare, SaaS, and enterprise systems. I’ve worked on products throughout their lifecycle — understanding business requirements, designing architecture, writing code, integrating systems, optimizing performance, fixing legacy problems, and continuously improving software used by real businesses and users. At the same time, I’ve built a strong freelance career, delivering 66+ successful software projects worldwide and maintaining a 100% Job Success Score on Upwork. My clients have consistently been satisfied with the results, and many projects have grown into long-term cooperation. This combination gives me two perspectives that are valuable to my clients: As a product engineer, I understand what it means to work on a product every day, deal with real users, business processes, technical debt, architecture, and long-term product evolution. As a freelancer, I understand that your time and money matter. I take responsibility for understanding the problem, communicating clearly, and delivering a solution that actually works for your business. How I Work With Clients ⭐ I don’t simply wait for specifications — I dive into the business domain and ask questions when something doesn’t make sense. ⭐ I provide a transparent real-time development process with active Kanban tasks, planning, progress tracking, and continuous communication. ⭐ You can always understand what I’m working on now, what is planned next, and how the product is progressing. ⭐ I use AI-powered development tools for research, coding, debugging, refactoring, documentation, and problem-solving to make development faster and more efficient. Why Clients Hire Me ⭐ 17+ years of professional software development experience ⭐ 13+ years working on real products across multiple companies and industries ⭐ 66+ successful freelance projects delivered worldwide ⭐ Top Rated Upwork Developer with a 100% Job Success Score ⭐ Senior C# / .NET Full Stack Developer experienced in SaaS, enterprise software, ERP systems, complex business logic, and legacy modernization ⭐ Experience building and maintaining software used by 250,000+ users ⭐ Led development for enterprise SaaS platforms with 20+ engineers ⭐ Reduced page load time from 30 seconds to 1 seconds ⭐ Reduced deployment time from several minutes to under one second ⭐ Optimized high-load systems and reduced infrastructure costs by 66% ⭐ Strong expertise in software architecture, backend, frontend, databases, cloud integrations, and system optimization My goal is not simply to write code that matches a specification. My goal is to understand your business, your product, and the problem we are solving — and then work with you to build the right solution. Full Stack .NET Development Services SaaS Development • Full Stack SaaS Development • Senior .NET Developer for startup MVPs and enterprise platforms • Multi-tenant SaaS architecture • REST APIs • Authentication & Authorization • Subscription systems • Admin dashboards • Cloud-ready applications Full Stack Development • Full Stack .NET Development • C# Development • ASP.NET Core • Blazor Server • Blazor WebAssembly • Razor Pages • SQL Server • Entity Framework Core • JavaScript • HTML • CSS • API integrations Software Engineering • Software Architecture • System Design • Domain-driven application design • Performance optimization • Refactoring • Code reviews • Technical leadership • Scalable software solutions Legacy Modernization • ASP.NET WebForms → ASP.NET Core • WinForms → Blazor • .NET Framework → .NET • ASP.NET MVC → Razor Pages • Database modernization • Performance optimization • Cloud migration Desktop Application Development • WinForms • Windows Services • Enterprise desktop software • Background services • Hybrid desktop/web solutions Workflow Discovery • Analyze business requirements • Review existing systems • Define scalable architecture Architecture • Design maintainable software • Define service boundaries • Choose appropriate technologies • Plan long-term scalability Development • Senior C# Development • Full Stack Engineering • Backend development • Frontend development • API integrations • Database design • Third-party integrations Optimization • Performance tuning • SQL optimization • Memory optimization • Infrastructure optimization • Cost reduction Technologies C# .NET ASP.NET Core Blazor Blazor Server Blazor WebAssembly Razor Pages Entity Framework Core SQL Server JavaScript TypeScript HTML5 CSS3 REST API Microservices Azure WinForms