Hire the Best Surpass Software Surpass Specialists

With 15+ years of experience delivering enterprise software solutions, I help startups, SMBs, and Fortune-level organizations build scalable, secure, and high-performance applications that solve real business problems. Throughout my career, I have successfully delivered 150+ enterprise projects, built applications serving 5M+ users, designed 1,000+ APIs and integrations, and led engineering teams of up to 24 software professionals. I specialize in modernizing legacy systems, designing cloud-native architectures, integrating AI capabilities, and building enterprise platforms that scale. I don't just write code—I design technology solutions that create measurable business value. Core Expertise ✅ Enterprise Software Development ✅ Full Stack Development (React, Node.js, .NET, Next.js) ✅ AI Solutions & LLM Integration (OpenAI, Claude, Gemini, Azure OpenAI, AI Agents, MCP) ✅ Enterprise Architecture & System Design ✅ Cloud Architecture (AWS) ✅ REST APIs & Microservices ✅ SaaS Platforms & Multi-Tenant Applications ✅ Performance Optimization ✅ Security & Authentication (OAuth2, OpenID Connect, JWT, MFA) ✅ Database Design & Optimization ✅ Technical Leadership & Agile Delivery Technologies Frontend React • Next.js • Angular • JavaScript • TypeScript • HTML5 • CSS3 Backend Node.js • C# • .NET • ASP.NET Core • REST APIs • GraphQL AI & Automation OpenAI • Claude • Gemini • Azure OpenAI • AI Agents • MCP • AI Chatbots • AI Voice • OCR • Intelligent Document Processing • Prompt Engineering Cloud AWS (EC2, ECS, EKS, Lambda, API Gateway, S3, CloudFront, Route53, RDS, DynamoDB, Aurora, SNS, SQS, SES, IAM, WAF, ALB, CloudWatch) Databases SQL Server • MongoDB • PostgreSQL • MySQL • Redis Industries ✔ Insurance ✔ Healthcare ✔ LMS & EdTech ✔ CRM ✔ Enterprise SaaS ✔ E-Commerce ✔ Real Estate ✔ Franchise Management ✔ FinTech Notable Experience Modernized a multi-tenant insurance platform serving 1M+ users through a complete migration from ASP.NET/.NET to React. Led the architectural evolution of the Edible Arrangements global franchise platform supporting 1,300+ stores across 8 countries. Designed and implemented 1,000+ enterprise APIs. Built cloud-native applications and AI-powered enterprise solutions for US-based organizations. Why Clients Hire Me Clients work with me because I combine technical depth with business understanding. I take ownership from architecture and planning to development, deployment, optimization, and long-term scalability. Whether you need to build a product from scratch, modernize a legacy application, integrate AI capabilities, or architect a cloud-native enterprise platform, I focus on delivering solutions that are secure, maintainable, and built for growth. Let's build software that scales—both technically and commercially.

✅ 𝗠𝘂𝗹𝘁𝗶𝗽𝗹𝗲 𝟳-𝟴 𝗳𝗶𝗴𝘂𝗿𝗲 𝘀𝘂𝗰𝗰𝗲𝘀𝘀𝗲𝘀 & 𝗦𝗮𝗮𝗦 𝗰𝗹𝗶𝗲𝗻𝘁𝘀/𝗮𝗽𝗽𝘀 𝗮𝗰𝗾𝘂𝗶𝗿𝗲𝗱. ✅ 𝟳𝟱+ 𝗮𝗽𝗽𝘀 𝗯𝘂𝗶𝗹𝘁. 𝟭𝟭+ 𝘆𝗲𝗮𝗿𝘀 𝗽𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲. ✅ 𝗔𝗰𝗰𝘂𝗿𝗮𝘁𝗲 & 𝗴𝘂𝗮𝗿𝗮𝗻𝘁𝗲𝗲𝗱 𝗾𝘂𝗼𝘁𝗲𝘀 𝘄𝗶𝘁𝗵 𝟯𝟬-𝟰𝟬% 𝗹𝗼𝘄𝗲𝗿 𝗰𝗼𝘀𝘁𝘀 𝗮𝗻𝗱 𝗱𝗲𝘃 𝘁𝗶𝗺𝗲𝘀 𝘁𝗵𝗿𝗼𝘂𝗴𝗵 𝗽𝗿𝗼𝗽𝗿𝗶𝗲𝘁𝗮𝗿𝘆 𝗳𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸 𝘂𝘀𝗲(prebuilt-SaaS code). ✅ 𝗣𝗵𝗲𝗻𝗼𝗺𝗲𝗻𝗮𝗹 𝗰𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗮𝗻𝗱 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗺𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝘀𝗸𝗶𝗹𝗹𝘀. 𝗜𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝘁 𝗱𝗲𝘃 𝗽𝗿𝗼𝗰𝗲𝘀𝘀 𝗳𝗼𝗹𝗹𝗼𝘄𝗲𝗱 𝗯𝘂𝗶𝗹𝘁 𝘁𝗵𝗿𝗼𝘂𝗴𝗵 𝗼𝘁𝗵𝗲𝗿 𝗽𝗿𝗼𝗱𝘂𝗰𝘁 𝘀𝘂𝗰𝗰𝗲𝘀𝘀𝗲𝘀. ✅ 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀, 𝗲𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲-𝗿𝗲𝗮𝗱𝘆 𝗳𝗿𝗼𝗺 𝗹𝗮𝘂𝗻𝗰𝗵. ✅ 𝗨𝗦 𝗰𝗹𝗶𝗲𝗻𝘁 𝘀𝗽𝗲𝗰𝗶𝗮𝗹𝘁𝘆. Hi, I’m Andrew! I specialize in delivering polished SaaS apps consistently focused on earning revenue. 𝗜𝗻𝘃𝗶𝘁𝗲 𝗺𝗲 𝘁𝗼 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 𝗼𝗿 𝘀𝗲𝗻𝗱 𝗺𝗲 𝗮 𝗱𝗶𝗿𝗲𝗰𝘁 𝗺𝗲𝘀𝘀𝗮𝗴𝗲 𝗮𝗻𝗱 𝗶𝗳 𝘁𝗵𝗲𝗿𝗲’𝘀 𝗮 𝗹𝗶𝗸𝗲𝗹𝗶𝗵𝗼𝗼𝗱 𝗼𝗳 𝗮 𝗴𝗼𝗼𝗱 𝗳𝗶𝘁 𝘁𝗼 𝘄𝗼𝗿𝗸 𝘁𝗼𝗴𝗲𝘁𝗵𝗲𝗿, 𝗜’𝗹𝗹 𝗶𝗻𝘃𝗶𝘁𝗲 𝘆𝗼𝘂 𝘁𝗼 𝗯𝗼𝗼𝗸 𝗮 𝗰𝗼𝗺𝗽𝗹𝗶𝗺𝗲𝗻𝘁𝗮𝗿𝘆 𝗰𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻 𝗰𝗮𝗹𝗹 𝘁𝗼𝗴𝗲𝘁𝗵𝗲𝗿. 🗣 𝗝𝗼𝗵𝗻 𝗠𝘂𝗹𝗹𝗲𝗻𝗵𝗼𝗹𝘇 - 𝗛𝗲𝗮𝗱 𝗼𝗳 𝗦𝗮𝗹𝗲𝘀, 𝗦𝘁𝗿𝗮𝘁𝗲𝗴𝗶𝗰 𝗘𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 - 𝗨𝗯𝗲𝗿 𝗘𝗮𝘁𝘀 ❝ Andrew is the most skilled freelancer and developer I have ever worked with, and I have worked with a lot. He was able to take very broad ideas and turn them into actionable insights and plans in a way I could never imagine was possible. Andrew is the best possible thing to happen to our business and the definition of a true professional. I could not recommend him enough. Anyone who has the opportunity to work with Andrew should consider themselves extremely lucky. ❞ I excel at expertly guiding the app dev process to max out your revenue-earning potential in contrast to your costs, and to steer you away from common SaaS app pitfalls. Client Outcome Examples: ⚡ amzalert.com (8-Figure Acquisition - Rebuilt In 4 Months) ⚡ launchcontrol.us (8-Figure Annual Recurring Revenue - ARR) ⚡ GuestBan.com (Concept-To-Live in 5 Months - 1M+ Monthly App Checkins) My support is based on hard-won successes built through more than a decade of SaaS app obsession. Most of my clients are: ☑️ Existing Businesses - Post-revenue ☑️ Solopreneurs & Small Teams - Wanting to build an MVP app ☑️ Funded Startups - Focused on turning funding into MRR ☑️ Existing Early Stage SaaS - Want to rebuild and scale up I’m the founder of a small, hand-picked team of talented humans. I’m personally involved in all projects, and we only employ senior developers and native English speakers from the US for project management and communication. My team and I are able to consistently reduce dev costs by about 30-40% by leveraging pre-built development frameworks for common app experiences like the user login or checkout, for example, while reserving valuable dev hours for truly custom functionality. Every project we build delivers: 📱Cross Device Compatibility - Desktop - Mobile - Tablet 📈 App Speed Optimization 🧩 Scaleable - Cost-Effective Feature Addition Potential 🛡️ Security 📊 User Analytics & Internal Dashboards 🌐 Multi-Language Localization 🤖 Quality Assurance - QA 📜 Paid User Subscription, Billing & Renewal Management Thanks for taking the time to learn more about me. Invite me to your project or send me a direct message if you’re interested in working together. Talk soon! Andrew Mace - Founder - Lean Engineering Highlights of the work I have extensive experience in includes: SaaS MVP • AI Automation • No-Code/Low-Code • Process Automation • RPA • .NET 8 • Python • AWS • Azure • Docker • Serverless • OpenAI / ChatGPT • Generative AI • Zapier • Make.com • UiPath • Power Automate • n8n • Bubble • Airtable • Stripe • PayPal • Twilio • Slack • Teams • REST APIs • Webhooks • SQL • PostgreSQL • Redis • Power BI • KPI Dashboards • ETL • Airflow • Real-Time Chat • Push Notifications • Subscription Billing • CRM Integration • Lead Generation Bots • Data Analytics • Digital Transformation • Workflow Automation • Rapid Prototyping

I'm a senior software engineer and tech lead with 8 years of experience building highly scalable systems at Amazon.com and Microsoft. I have a proven track record of delivering results at the highest standards. I also recently earned an expert-vetted badge on Upwork, which is only awarded to the top 1% of talent. Most recently, I founded and led the Bing Ads delivery engine team at Microsoft Egypt. I also co-founded Sahl, a successful payments startup in Egypt, where I scaled the product to serve millions of customers. Before that, I designed and scaled Amazon's demographic segment ingestion pipelines across the US and EU. I am here on Upwork on a full-time basis for a few months to build my online software services business.

Hi, I'm Ayush Kumar, a passionate Full Stack Web & Software Developer specializing in building modern websites, web applications, SaaS platforms, and custom business software solutions. I help startups, entrepreneurs, and businesses create powerful digital products that drive growth and improve efficiency. Whether you need a professional business website, an e-commerce platform, a custom CRM, or a complete software solution, I can deliver scalable and user-friendly applications tailored to your requirements. My focus is on clean code, responsive design, security, performance optimization, and delivering projects on time. What I Can Help You With ✅ Custom Website Development ✅ Full Stack Web Application Development ✅ SaaS Platform Development ✅ E-Commerce Websites ✅ CRM & ERP Solutions ✅ Admin Dashboards & Portals ✅ Startup MVP Development ✅ API Development & Integration ✅ Database Design & Management ✅ Business Automation Software ✅ Website Maintenance & Support ✅ Cloud Deployment & Hosting Setup Tech Stack Frontend: • HTML5, CSS3, JavaScript • React.js, Next.js • Bootstrap, Tailwind CSS Backend: • Node.js, Express.js • PHP, Laravel Database: • MySQL, MongoDB CMS & Tools: • WordPress • Git & GitHub • REST APIs • Cloud & VPS Hosting Why Work With Me? ✔ Professional Communication ✔ High-Quality Development Standards ✔ Scalable & Secure Solutions ✔ On-Time Project Delivery ✔ Long-Term Technical Support ✔ Client Satisfaction Focused Let's Connect If you're looking for a dedicated developer for your website, web application, SaaS platform, or custom software project, feel free to send me a message. I look forward to working with you and bringing your vision to life.

You don't just need a developer. You need someone who understands your goal, figures out the best path to get there, and actually delivers without hand-holding. That's what I do. I'm Usama, a Senior Software Developer with 5 years of experience building production-ready systems on .NET Core, C#, Angular, and Azure. I've taken products from zero to live and I hold 11 Microsoft certifications, including Azure Solutions Architect Expert and DevOps Engineer Expert, so the architecture decisions I make are grounded in real expertise, not guesswork. What I've actually built (not just worked on): 🚀 Ainssist: An AI-powered Chrome extension for LinkedIn that helps professionals engage smarter. Built end-to-end, live in production. 💪 FitsitePro: A multi-tenant SaaS fitness platform serving multiple gym businesses from a single codebase. Full architecture, backend, and deployment - mine. 🛍️ Evrenza: A complete e-commerce platform with product management, ordering, and payments. Shipped solo. 🌐 Evrensol: A corporate web platform built for a software company. What I can do for you: 🤖 Agentic AI & LLM Systems: Multi-agent orchestration, RAG pipelines, intent classification, dynamic function-calling, embeddable AI chat widgets with Azure OpenAI. I build custom, lightweight AI backends, no bloated frameworks. ☁️ Azure Cloud Architecture: Scalable, production-grade cloud systems using Azure Functions, SignalR, CDN, and SQL Server. Designed to grow with your business. ⚙️ .NET & Backend Development: Clean, maintainable APIs and services in .NET 10 / C#. Multi-tenant SaaS, real-time systems, complex business logic, handled. 🖥️ Full-Stack Delivery: Angular frontends, REST APIs, Chrome extensions, Shadow DOM embeds. I can take a feature from design to deployment. Why clients enjoy working with me: - I ask the right questions upfront so we're aligned before a single line of code is written. - I communicate proactively, you'll never be left wondering where things stand. - I treat your product like it's mine, because that's the only way I know how to work. If you're building something ambitious, an AI-powered product, a scalable SaaS platform, or a complex cloud system, I'd love to hear about it. Let's build something you're proud of.

🏆 𝗖𝘂𝘀𝘁𝗼𝗺 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 & 𝗔𝗜 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 | 𝗪𝗲𝗯, 𝗠𝗼𝗯𝗶𝗹𝗲 & 𝗦𝗮𝗮𝗦 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 | 𝗙𝗼𝘂𝗻𝗱𝗲𝗿 𝗼𝗳 𝗭𝗮𝗸𝗖𝗼𝗱𝗲𝗫 𝗟𝗧𝗗 I'm Zakawat Abbas, Founder & CEO of ZakCodeX LTD, a UK software development company that helps startups, SMEs, and enterprises build custom software, AI-powered applications, SaaS platforms, mobile apps, and scalable web solutions. My team delivers complete software solutions, from product strategy and UI/UX design to development, cloud infrastructure, deployment, and long-term support. We focus on writing clean, scalable code that grows with your business rather than creating quick fixes that need rebuilding later. ⚡ 𝗪𝗲'𝗿𝗲 𝗮 𝗴𝗿𝗲𝗮𝘁 𝗳𝗶𝘁 𝗶𝗳 𝘆𝗼𝘂'𝗿𝗲 𝘁𝗵𝗶𝗻𝗸𝗶𝗻𝗴: ● "I need a reliable software development partner who can own the project from start to finish." ● "I want to build an MVP that can scale into a successful SaaS business." ● "I need AI integrated into my application or business workflow." ● "I need experienced developers for both frontend and backend." ● "I want secure, scalable software built with modern technologies." ● "I need long-term technical support after launch." 💻 𝗖𝘂𝘀𝘁𝗼𝗺 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 Custom business software, SaaS platforms, CRM systems, ERP solutions, internal dashboards, workflow automation, enterprise applications, REST APIs, GraphQL APIs, third-party integrations, and cloud-native software built for long-term scalability. 🌐 𝗪𝗲𝗯 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 High-performance web applications using React.js, Next.js, Node.js, Laravel, Python, FastAPI, and modern cloud infrastructure. We build SEO-friendly, secure, scalable websites and web applications optimized for performance and user experience. 📱 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 Cross-platform mobile applications using React Native and Flutter for iOS and Android. We develop consumer apps, enterprise applications, booking platforms, ecommerce apps, healthcare solutions, AI-powered mobile apps, and startup MVPs. 🤖 𝗔𝗜 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 Generative AI, OpenAI integration, Claude AI, AI chatbots, business automation, machine learning, natural language processing, computer vision, intelligent workflows, AI assistants, and custom AI-powered business solutions. 🎨 𝗨𝗜/𝗨𝗫 𝗗𝗲𝘀𝗶𝗴𝗻 Modern user interfaces designed in Figma, including UX research, wireframes, prototypes, design systems, and developer-ready UI for web and mobile products. 🛒 𝗘𝗰𝗼𝗺𝗺𝗲𝗿𝗰𝗲 Custom ecommerce platforms, Shopify, WooCommerce, payment gateway integration, inventory management, API integrations, and conversion-focused online stores. 🛠️ 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 ◉ Frontend: React.js, Next.js, TypeScript, JavaScript, Tailwind CSS, HTML5, CSS3 ◉ Backend: Node.js, Express.js, Laravel, Python, Django, FastAPI, PHP ◉ Mobile: React Native, Flutter, Android, iOS ◉ AI: OpenAI API, Claude AI, GPT, Machine Learning, NLP, Computer Vision ◉ Cloud: AWS, Docker, Vercel, DigitalOcean, Firebase ◉ Databases: PostgreSQL, MySQL, MongoDB, Firebase ◉ APIs: REST API, GraphQL, Stripe, PayPal, Third-Party API Integration 🔢 𝗪𝗵𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝗰𝗵𝗼𝗼𝘀𝗲 𝗺𝗲 ✅ Founder & CEO of ZakCodeX LTD, UK software development company ✅ Complete product development from idea to launch ✅ Modern AI-first software development approach ✅ Clean, secure, scalable, production-ready code ✅ Transparent communication and on-time delivery ✅ Long-term technology partner focused on business growth 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀: • Healthcare • Real Estate • Ecommerce • AI • SaaS • Legal • Education • Travel • Hospitality • FinTech • Logistics • Startups • Enterprise Software 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: • Custom Software Development • Full-Stack Developer • Web Development • Mobile App Development • AI Development • Generative AI • AI Chatbots • React Developer • Next.js Developer • Node.js Developer • Python Developer • React Native Developer • Flutter Developer • SaaS Development • CRM Development • API Integration • AWS • Shopify Development • UI/UX Design • Ecommerce Development • Business Automation • MVP Development • OpenAI Integration • Claude AI • Machine Learning