Looking for a developer who works as a Vibe Coder or AI-Assisted Engineer to reduce development cost, shorten delivery timelines, and solve common challenges in AI-generated code such as hallucinations, inconsistent architecture, and production instability? That’s exactly what I do. I’m Imtiaz, a Top Rated Plus AI & Full Stack Engineer, Top 3% on Upwork with 6 years of experience building SaaS platforms, AI-powered applications, automation systems, and startup MVPs for founders and growing businesses. I specialize in modern AI-assisted development workflows where tools like Cursor, Claude, Replit, Lovable, OpenAI, Make, Zapier, and n8n are used to accelerate development while still applying real engineering principles to ensure scalability, maintainability, and production readiness. The goal is not just speed with AI. The goal is building products correctly so they can survive real users, real scale, and real business growth beyond the prototype stage. Over the years, I’ve delivered 40+ SaaS products, MVPs, and AI-powered systems, helping startups and businesses turn ideas into fully working, production-ready products with significantly reduced development time and cost. 𝗪𝗵𝗮𝘁 𝗜 𝗰𝗮𝗻 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂 𝗯𝘂𝗶𝗹𝗱: ✔ AI SaaS Platforms ✔ AI Agents & AI Assistants ✔ Startup MVPs idea to production ✔ Workflow Automation Systems ✔ Internal Business Tools & Dashboards ✔ CRM & Lead Management Systems ✔ Multi-Tenant SaaS Applications ✔ API-Driven Scalable Web Applications ✔ Multi-Tenant SaaS Applications ✔ Custom Web Applications 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 & 𝗔𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄: ➡ Frontend: React.js, Next.js (App Router), TypeScript, JavaScript, Tailwind CSS, ShadCN UI, Ant Design ➡ Backend: Node.js, Express.js, Firebase, Supabase ➡ AI Development Tools: Cursor, Claude Code, OpenAI GitHub Copilot, Replit, Lovable, Bolt, Base44 ➡ Automation & Workflows: n8n, Zapier, Make, GoHighLevel (GHL) ➡ DevOps & Deployment: Vercel, Netlify, GitHub, CI/CD workflows ➡ SaaS & Payments: Stripe, Paddle ➡ UI → Production: Figma to fully responsive, production-ready frontend implementation 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲: Many founders work with me as a fractional CTO, getting senior-level technical guidance, architecture planning, and hands-on execution without the cost of hiring a full-time engineering team. Because I don’t just use AI tools. 𝐈 𝐤𝐧𝐨𝐰 𝐡𝐨𝐰 𝐭𝐨: - Turn AI-generated code into production-grade architecture - Fix inconsistent or unstable AI outputs - Design scalable backend systems from day one - Reduce unnecessary development cost and time - Ship faster without creating long-term technical debt If you're building a SaaS product, AI application, automation system, or startup MVP and want someone who can combine AI speed with real engineering discipline, 𝗹𝗲𝘁’𝘀 𝗰𝗼𝗻𝗻𝗲𝗰𝘁. Send me your 𝗶𝗱𝗲𝗮, and I’ll help you turn it into a working product. 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀 ( for better profile visibility ) Fractional CTO | AI Product Engineer | AI SaaS Developer | Full Stack Developer | Senior Full Stack Engineer | Startup MVP Developer | SaaS Developer | Custom Software Developer | Custom Web Application Developer | Custom SaaS Development | AI Agent Developer | AI Assistant Developer React Developer | Next.js Developer | Node.js Developer | TypeScript Developer | JavaScript Developer | Frontend Developer | Backend Developer | API Developer | Dashboard Developer | Admin Panel Developer AI Development | AI Integration | OpenAI Developer | Claude AI Developer | AI Workflow Automation | Business Process Automation | AI-Powered Applications | AI SaaS Products | Workflow Automation | AI Agents | RAG Applications Cursor AI Developer | Claude Code | Replit Developer | Lovable Developer | V0 Developer | Base44 Developer | Bolt.new | AI-Assisted Development | Vibe Coding | Rapid MVP Development n8n Developer | Zapier Developer | Make Developer | GoHighLevel (GHL) Developer | CRM Development | Internal Tools Development | Business Management Systems React.js | Next.js | Node.js | Express.js | Supabase | Firebase | PostgreSQL | MongoDB | Tailwind CSS | SaaS Architecture | Multi-Tenant SaaS | Scalable Web Applications

Trusted by 25+ global clients with 100% job success and Top Rated status. 8+ years shipping production SaaS, AI agents, and real-time systems. 1,200+ hours of hands-on coding. $100K+ in client results. Your Problem: You have a great business idea but traditional development takes 6-12 months and costs a fortune. You're losing market opportunity while waiting. Or you've got a prototype that's falling apart under real users. Or you need AI automation but don't know where to start. You're stuck between slow agencies and junior developers who disappear. My Promise: I turn your idea into a production-ready MVP in 2-4 weeks. Not a demo. Not a prototype. A real, scalable product your customers can use tomorrow. I handle everything end-to-end: architecture, design, development, testing, deployment. You get one person you can trust who actually ships. What You Get: 🏗️ Production Architecture : Scalable from day one. Built to handle growth without falling apart. ⚙️ Full Ownership : I don't hand you off halfway. I'm here from your first idea through launch and beyond. 📱 Web, Mobile, AI : React, Next.js, React Native, Python backends, real-time systems, AI agents, integrations with Stripe, Plaid, Apple HealthKit. 🚀 Real Speed : MVP in 2-4 weeks. Actual working product. ✅ Quality : Multiple testing sprints, performance optimization, security hardening. 98% user satisfaction. The Stack: Backend: Python, Node.js, NestJS | Frontend: React, Next.js, React Native | Real-time: WebSockets, event-driven systems | Databases: PostgreSQL, MongoDB, Vector DBs for AI | Cloud: AWS, GCP, Vercel, Firebase | Integrations: Stripe, Plaid, Airbnb, Apple HealthKit, Google Fit, Third-party APIs Proven Work : Built & Live Right Now: GYMYG - Fitness & wellness platform (USA). Live trainer + client iOS/Android apps, 1-on-1 video coaching, real-time workouts, subscriptions, analytics. Handling thousands of active users. We Step Together - Fitness fundraising app (Australia). Apple HealthKit + Google Fit integration, step-tracking donations, Stripe payments, real-time campaign tracking. Live on App Store and Play Store. Honest Dog - Pet marketplace (Germany). Multi-role marketplace (buyers, breeders, shelters), advanced search, real-time messaging, Stripe/PayPal payments, reviews, multi-language. Production marketplace with real transactions. Mile Matcher - Running & GPS app (Australia). Real-time GPS tracking, race matchmaking, AI bot races, friend challenges. Live app with active users. Property Portfolio SaaS - Subscription-based property management with Stripe billing, tenant tracking, financial analytics, Plaid bank sync, Airbnb integration. Production SaaS with paying customers. Alpha Insurance - Health claims platform. Secure document uploads, real-time claim tracking, role-based dashboards, compliance-ready. Live system handling sensitive data. Community Parking Hub (Denmark) - Multi-role marketplace with booking, payment processing, fraud monitoring, real-time notifications. Live in production. Plus: TapNFC (QR/NFC profile management), Certificate Management System, Zhapee (multi-vendor marketplace), Rec-X (macOS recording app), and more. How I Work: Real partnerships. Weekly check-ins. Async updates. You see working features every 2 weeks, not a big bang at the end. I answer questions, I adapt, I deliver. Risk Mitigation & Your Safety Net: Phase-Based Delivery Lock Phase 1 at 2-4 weeks fixed cost. See it works before Phase 2. Stop anytime, no trap. Money-Back Guarantee MVP doesn't meet scope by week 4? You pay nothing. Zero risk. You Own the Code 100% yours. Full documentation, deployment scripts. Move to another dev anytime. Two-Week Escape First two weeks don't work? Walk away, no penalty. Weekly Transparency Video calls every 7 days. Issues flagged by day 5, not day 20. Production-Ready & Tested Functional, security, load testing. Real product, not prototype. Full Documentation Another developer can understand your code. For Founders & Agencies: You need someone who ships. Not someone who talks about shipping. Not someone who disappears after launch. Someone who understands

Full Stack Developer | Node | React | MERN | MEAN | Angular | Next | Express | Nest | Javascript | Typescript | Microservices | Mongo | Postgresql | AWS | Redis | Socket | Websocket | Onespan | GraphQL | Lambda | DynamoDB | Serverless | Git | Jira | Docker | S3 | AWS SNS | AWS SES | Email | Mocha | Chai | Jest | Twillio | Sequelize | REST Api | Strapi.io With over 13 years of industry experience, I bring a wealth of knowledge to the table as a seasoned and proficient Senior Full Stack Developer, adept in handling both frontend and backend web development. My versatile skillset spans a wide spectrum of technologies, including Laravel, CodeIgniter, NODE.js, PHP, React.js, Angular, Vue.js, and an in-depth understanding of JavaScript, HTML, and CSS. This extensive experience empowers me to excel in various development frameworks. As an accomplished Full Stack Developer, I possess the expertise and capability required to adeptly manage a diverse array of web application projects, ranging from MERN Stack, MEAN Stack, to PHP technologies, guaranteeing the delivery of exceptionally impressive results. Architecting and developing web applications with different JS frameworks:- • React.JS, Vue.JS, Angular.JS,Angular Universal, Angular material, Next.JS, Nest.JS, Express.JS, Redux.JS, Electron.js,Next.js,D3.js & Node.JS • Codignator,Laravel, PHP, Yii, Python, Django, Flask, RESTful API, GraphQL, WordPress Plugins Development, etc. • Developing Mobile Apps using React Native, Flutter, and Dart. • MySQL, PostgreSQL, Firebase, MongoDB, Redis, & Elastic search. • Customizing Web Apps, Mobile Apps, APIs • Docker & Vagrant. • Git, GitHub, & Bitbucket. • Strong HTML, CSS, JavaScript, TypeScript, jQuery,Tailwind CSS & Bootstrap. • Digital Ocean, Heroku, Netlify, Firebase, & Rackspace. • MERN Stack: MongoDB, Express.js, Reactjs, Node.js • MEAN Stack: MongoDB, Express.js, Angularjs, Node.js • Knowledge of web accessibility standards (WCAG) • Redux, Axios, Apollo, Async storage • Sockets, Cloud messaging, Chat, Camera, AR, Video, Audio • Firebase, Cloud Firerstore, Firebase Realtime database Other skills: - Code Management tool : GitHub, GitLab & BitBucket - AWS services: EC2, Lambda, S3, CloudFront, RDS, SES, SQS, SNS, Cloud Trail, Elastic Cache, Elastic Search - APIs: google maps, youtube API,Twilio API,Facebook, etc. - Building and consuming RESTful and GraphQL APIs - Knowledge of Backend API authentication and security - Version Control/Git: Proficiency in using Git for version control and collaboration with other developers. - DevOps: Understanding of DevOps principles and tools for continuous integration and continuous deployment (CI/CD). - Server Management: Knowledge of server configurations and hosting platforms (e.g., AWS, Heroku, DigitalOcean). - Testing and Debugging: Proficiency in writing unit tests, end-to-end tests, and debugging code effectively. - Security: Awareness of web security best practices and how to prevent common web vulnerabilities like Cross-Site Scripting (XSS) and SQL injection. - Front-end Tools: Familiarity with front-end build tools like Webpack, Babel, or Gulp. - Package Managers: Proficiency in using package managers like npm or yarn. - Mobile Development: Experience in mobile app development using frameworks like React Native or Flutter can be a bonus. Why me? - Problem-Solving: Ability to solve complex technical challenges. - Time Management: Meeting deadlines and managing multiple projects. - Agile and Scrum: Understanding of Agile methodologies and Scrum for project management. - Portfolio: Create a strong portfolio showcasing your past projects. Highlight your skills and versatility. - Certifications: Relevant certifications (e.g., AWS Certified Developer, Google Cloud Professional, Scrum Master) can add credibility. - Client Relationships: Building good relationships with clients is essential for repeat business and positive reviews. - Market Research: Keep an eye on market trends and demand for specific skills and technologies on Upwork. - Ongoing Support & Maintenance of Work - 6 Months Free Support After delivery. - The code will be transferred to your server upon project completion. Full Stack PHP Developer,MEAN Stack Developer,MERN Stack Developer,Full Stack PHP Developer with MEAN Experience, Full Stack PHP Developer with MERN Experience,Full Stack Web Development, Expert PHP Developer, MEAN Stack Development,MEAN Stack Developer,MERN Stack Development,MERN Stack Developer,PHP Web Development,PHP Frameworks,JavaScript Frameworks,MongoDB,Express.js,AngularJS,React.js,Node.js Moreover, I have hands-on experience with automation tools such as Zapier, Integromat, Khajabi, HubSpot, Ontraport, SIB, and more. Over the course of my career, I have worked on over 35+ APIs, successfully integrating and automating CRMs and applications using Webhooks and CronJobs. My portfolio also comprises over 55 PHP/Laravel CodeIgniter Websites/Apps. Full Stack PHP Developer!

You don't just need a website. You need one that works. I'm a Top Rated Upwork freelancer with a 100% Job Success Score, specializing in Shopify & WooCommerce development, WordPress design, and UI/UX, all under one roof. Whether you're launching a new store, redesigning an existing site, or scaling an ecommerce brand, I bring the rare combination of design thinking and technical execution that most developers can't offer. == SHOPIFY DEVELOPMENT == → Custom Shopify theme development & Liquid templating → Shopify 2.0 sections, blocks & dynamic sources (Online Store 2.0) → Headless Shopify builds with Hydrogen & Oxygen hosting → Shopify Plus customizations, scripts & B2B features → Shopify Functions for custom discounts, shipping & payment logic → Shopify Markets for multi-currency, multi-language & international stores → Checkout UI extensions & post-purchase pages → Metafields, metaobjects & dynamic data structures → Shopify Flow automation & custom workflows → Theme App Extensions & App Blocks → Storefront API & Admin API integrations → Custom app development with Node.js & Shopify CLI → App integrations: Klaviyo, ReCharge, Gorgias, Yotpo, Judge.me, Loox, Okendo, Privy, Omnisend, LoyaltyLion, Aftership, ShipStation → Product bundles, upsells, cross-sells & subscription models → Gift cards, discount stacking & loyalty program setups → SEO optimization: structured data, canonical tags, JSON-LD schema → Store migration to Shopify from WooCommerce, Magento, BigCommerce == WORDPRESS & WOOCOMMERCE == → Custom WordPress theme development from scratch → Plugin development, hooks, filters & custom shortcodes → Gutenberg block development & Full Site Editing (FSE) → Advanced Custom Fields (ACF) & custom post types (CPTs) & taxonomies → WooCommerce store setup, extensions & payment gateways → WooCommerce Subscriptions, Memberships, Bookings & Product Bundles → WooCommerce B2B solutions & wholesale pricing → Multisite network setup, management & domain mapping → REST API & WP GraphQL (WPGraphQL) integrations → Headless WordPress with Next.js or Nuxt.js frontend → Elementor, Divi, Beaver Builder, Oxygen Builder advanced customization → WPML & Polylang for multilingual & multiregional sites → WP-CLI scripting, database optimization & server-side tuning → WordPress security hardening: Wordfence, iThemes, 2FA, SSL setup → Caching & performance: WP Rocket, LiteSpeed Cache, Redis, CDN setup → Managed WordPress hosting: WP Engine, Kinsta, Cloudways, SiteGround → Email deliverability: WP Mail SMTP, SendGrid, Mailgun, Amazon SES == DESIGN & UX == → Figma wireframes, prototypes, component libraries & design systems → Adobe XD, Photoshop & Illustrator for visual assets → Conversion Rate Optimization (CRO) & A/B testing → Mobile-first, responsive design across all breakpoints → Core Web Vitals optimization (LCP, INP, CLS) → Accessibility compliance (WCAG 2.1 AA) → Landing pages & sales funnels engineered to convert → UX audits, heatmap analysis & session recording review → Brand identity integration & design consistency across pages == INTEGRATIONS & APIs == → Payment gateways: Stripe, PayPal, Authorize.net, Square, Klarna, Afterpay → Shipping: ShipStation, EasyPost, Shippo, DHL, FedEx APIs → CRM: HubSpot, Salesforce, Zoho, Pipedrive integrations → Email marketing: Klaviyo, Mailchimp, ActiveCampaign, ConvertKit → Analytics: Google Analytics 4, Meta Pixel, GTM, Hotjar, Microsoft Clarity → ERPs & inventory: Cin7, Brightpearl, SKUvault, QuickBooks integrations → Marketplace sync: Amazon, eBay, Etsy via Codisto, LitCommerce == TECH STACK == Languages: PHP · JavaScript (ES6+) · jQuery · HTML5 · CSS3 · SASS/SCSS · Python (scripting) Frameworks: React · Next.js · Vue.js · Nuxt.js · Node.js · Tailwind CSS · Bootstrap Shopify: Liquid · Hydrogen · Oxygen · Storefront API · Admin API · Shopify CLI · Theme Kit WordPress: WP-CLI · WPGraphQL · REST API · Composer · Webpack · Vite Databases: MySQL · PostgreSQL · Redis · Elasticsearch DevOps: Git · GitHub · Bitbucket · Docker · CI/CD pipelines · Linux/SSH · cPanel · Plesk Design: Figma · Adobe XD · Photoshop · Illustrator · Canva Pro Analytics: GA4 · GTM · Hotjar · Microsoft Clarity · Looker Studio Why clients keep coming back: I don't just build what you ask for. I ask the right questions to build what your business actually needs. I communicate clearly, meet deadlines, and treat every project like it's my own business on the line. My work has helped small businesses, ecommerce brands, agencies, and enterprise clients generate real revenue, not just a good-looking site. Let's build something that performs. Message me and let's talk about your project.

Most developers build websites. I build systems that generate revenue. ✅ 100% Job Success Score | ✅ 5-Star Reviews | ✅ Top Rated Badge I’m a Top Rated Full Stack Developer with 8+ years of experience helping businesses build high-performance websites, scalable web apps, and SEO-driven platforms that actually convert. I specialize in: 🔥 Shopify, Webflow, Wix & WordPress Development (High-converting stores & websites) ⚙️ Custom Web Applications (.NET, Node.js, React) 📈 Technical SEO & Performance Optimization With a 100% Job Success Score and consistent 5-star results, I focus on delivering solutions that directly impact your business: ✔ Faster websites that improve conversions ✔ Scalable systems that grow with your business ✔ SEO-ready architecture that ranks on Google 💼 What I Can Do For You 🛒 E-Commerce Development Shopify (Custom themes, apps, Liquid) WooCommerce (Custom plugins, performance optimization) Conversion rate optimization (CRO) 🌐 Full Stack Development .NET Core, ASP.NET (Enterprise applications) Node.js, React, Next.js (Modern web apps) API integrations (Stripe, PayPal, CRMs) 🧩 CMS & Website Development WordPress (Custom themes, speed optimization, SEO) Wix & Squarespace (Advanced customization) Website redesign & performance fixes 🔍 SEO That Actually Works Technical SEO (Core Web Vitals, indexing fixes) On-page SEO (content + structure) E-commerce SEO (Shopify & WooCommerce ranking) 🎯 Why Clients Hire Me ⭐ Top Rated | 100% Job Success Score 🚀 Proven results in traffic growth & conversions 🧠 Business-first mindset (not just coding) ⚡ Fast communication & reliable delivery 🔒 Clean, scalable, future-proof code 📈 Results You Can Expect → Higher rankings on Google → Faster, optimized websites → More leads, sales, and conversions → Long-term scalable systems 🤝 Let’s Work Together If you need: A high-converting Shopify store A scalable web app (.NET / React) Or a website that actually ranks on Google 🛠️ Full-Stack Development Expertise 🌐 Frontend Development ✔ JavaScript Frameworks: React, Vue.js, Angular, Next.js, Nuxt.js ✔ CSS & UI Libraries: TailwindCSS, Bootstrap, Material UI, SASS ✔ Static Site Generators: Gatsby, Jekyll, Hugo ⚙ Backend & API Development ✔ Node.js, Express, NestJS (REST & GraphQL APIs) ✔ PHP: Laravel, CodeIgniter, Symfony ✔ .NET Core, C#, ASP.NET (Enterprise-grade solutions) ✔ Python: Django, Flask (AI/ML integration) 📦 CMS & E-Commerce Platforms ✔ WordPress (Custom themes, plugins, Headless WP) ✔ Shopify (Custom apps, theme development, Liquid) ✔ Wix & Squarespace (Advanced customization, API integrations) ✔ Webflow (No-code development with custom code) 🔗 Database & DevOps ✔ SQL: PostgreSQL, MySQL, MS SQL ✔ NoSQL: MongoDB, Firebase ✔ Cloud & Deployment: AWS, Azure, Docker, Kubernetes, CI/CD 🔍 SEO & Digital Marketing Services ✔ Technical SEO Audits (Fix Core Web Vitals, indexing issues) ✔ On-Page & Off-Page SEO (Content optimization, backlink strategy) ✔ Local SEO & Google My Business (Dominate local searches) ✔ E-Commerce SEO (Shopify, WooCommerce product ranking) ✔ Content Marketing & Blogging (SEO-optimized articles) 📈 Business Impact You’ll Get: → Higher Google Rankings = More Leads & Sales → Blazing-Fast Websites = Better User Experience → SEO-Built from Day 1 = No costly fixes later → Custom-Tailored Solutions = Perfect fit for your industry 📩 Let’s Build Your Dream Project! 🔹 Get a FREE SEO Audit or Website Review 🔹 Discuss Custom Development & SEO Strategies 🔹 Long-Term Growth Partnerships Available 👉 Send me a message — I’ll suggest the best approach for your project.

AI SaaS developer and automation engineer building AI-powered platforms, Flutter mobile apps, and workflow automation systems that help startups operate at 3× their current capacity, without 3× the headcount. My clients have raised $15M+, shipped apps with 10M+ downloads, and cut operational overhead by 40–70% after going live. Top 1% on Upwork. 30+ projects delivered. Zero open disputes. What I build: → AI agents and OpenAI/LangChain workflow integrations: Replacing repetitive manual tasks with intelligent automation pipelines that make decisions, trigger actions, and escalate exceptions without human input. → SaaS platforms, full-stack and production-ready: React, Node.js, Firebase, Supabase, architected to scale from 100 users to 100,000 without rewrites. → Flutter mobile apps (iOS and Android): Cross-platform development with real-time Firebase backends, Stripe payments, and App Store deployment handled end to end. → Custom admin dashboards, internal tools, and CRMs that replace spreadsheets: Built around how your team actually works. → MVP development for founders: From idea to working product to App Store in weeks, not months. How I work: Every project starts with a short architecture session before a line of code is written. Founders who have worked with developers who just start building know why this matters: scope clarity upfront saves 3–6 weeks of refactoring. You get weekly progress updates, async-friendly communication, and a system clean enough to hand to any developer after delivery. Recent results: $15M+ raised by clients using systems I built · 10M+ app downloads · 30+ projects delivered with zero open disputes on Upwork. Stack: OpenAI · GPT-4o · Claude API · LangChain · RAG pipelines · LLM agents · Flutter · React.js · Next.js · Node.js · NestJS · Firebase · Supabase · PostgreSQL · AWS · Docker · Stripe · WebRTC · Socketio · Twilio · RevenueCat If you are building an AI product, automation platform, SaaS application, or mobile app and want it shipped the first time correctly, send me the brief. AI Development, AI App Development, AI-Powered Mobile Apps, Custom AI Solutions, AI Agents Development, AI Integrations, AI Chatbot Development, Mobile App Development, Mobile App Developer, iOS App Development, iOS App Developer, Android App Development, Android App Developer, Flutter App Development, Flutter App Developer, React Native App Development, Cross-Platform App Development, Hybrid App Development, Custom Mobile App Development, Application Development, Mobile Apps, App Development, MVP Development, Full Stack Developer, Full Stack Development, Web Development, Web Developer, Full Stack Web Development, MERN Stack Developer, Node. js Development, SaaS Product Development, Custom Software Development, E-commerce Development

A skilled Full-stack AI developer specializing in web application development using Python, PHP, JavaScript, WordPress and Laravel. Notably built a full-stack marketplace platforms and integrated custom Ai agents, chatbots and payment solutions. Proficient in Ai Development, WordPress optimizations, API integrations, and troubleshooting payment systems, demonstrating expertise across various complex projects. Core skills include AI & Web Development, API, and database handling, applied to deliver robust and scalable digital solutions.

🟢 100+ successful projects | Top Rated Plus | 10+ years of experience 🟢 I help businesses collect reliable data, automate workflows, integrate APIs, and build AI-powered systems that reduce manual work and turn messy processes into clean, scalable, production-ready solutions. I’m Sergii, Senior Automation & AI Engineer at DataOx. For 10+ years, we’ve helped startups, small businesses, and growing teams build custom data extraction systems, workflow automation tools, API integrations, backend platforms, data pipelines, and practical AI automation solutions. What I can help you with: • Web scraping & data extraction Custom scraping systems for websites, marketplaces, directories, eCommerce platforms, real estate platforms, job boards, online portals, social networks, and other public or structured data sources. • Data processing & data pipelines Cleaning, structuring, normalizing, transforming, and preparing data for reporting, analytics, dashboards, CRMs, databases, Google Sheets, Airtable, internal tools, or AI systems. • Workflow automation & browser automation Automation systems that replace repetitive manual work, connect tools, handle business logic, run scheduled processes, and reduce operational workload over time. • API integration & backend systems REST API integrations, third-party API connections, custom API development, backend logic, database workflows, admin panels, internal platforms, and scalable business systems. • AI automation & AI-powered tools AI agents, ChatGPT / OpenAI API integration, Claude, Gemini, AI-driven workflows, document processing, natural language interfaces, AI-generated reports, classification, extraction, and decision-making support systems. • Existing system improvement Bug fixing, refactoring, stabilization, performance improvements, error handling, documentation, feature enhancements, and long-term support for existing automation, scraping, backend, or AI systems. Typical projects we build: • Web scraping and data extraction platforms • Price monitoring and competitor monitoring tools • Lead generation and contact data collection systems • Workflow automation and process automation tools • API integrations between CRMs, databases, SaaS tools, and internal systems • AI-powered assistants, AI agents, and business automation tools • Document parsing, classification, and reporting systems • Data pipelines, ETL processes, and structured datasets • Dashboards, admin panels, and backend web applications • Google Sheets, Airtable, Telegram bot, and email automation workflows Why clients work with us: • Strong experience with similar projects • Clear understanding of technical requirements and business goals • Reliable communication and structured project delivery • Clean, maintainable, and scalable architecture • Strong problem-solving approach • Ability to handle changing requirements and real-world edge cases • Production-ready solutions with error handling and clear documentation • Long-term support after the first version is delivered Tech stack and tools: Python, Java, FastAPI, Django, Spring Boot, PostgreSQL, MySQL, MongoDB, REST APIs, Selenium, Playwright, Scrapy, BeautifulSoup, Pandas, ETL pipelines, cloud services, OpenAI API, ChatGPT, Claude, Gemini, Google Sheets API, Airtable API, CRM APIs, payment APIs, and custom backend systems. I work best with clients who need more than just a quick script. If you need an experienced developer or technical partner who can understand the goal, clarify the scope, build a reliable solution, and support it over time, I can help. Send me a message with your project details, data sources, tools, API requirements, or current workflow, and I’ll help you define the best technical approach.

I help startups and businesses build scalable SaaS products — from MVP to production-ready platforms used by real users. I’m a Full Stack Developer with 11+ years of experience working with startups, agencies, and growing companies. I focus on building reliable systems that not only work but scale efficiently under real-world. I take full ownership of the product — from architecture and backend logic to frontend performance, integrations, and deployment. ⚙️ WHAT I CAN BUILD SaaS platforms (from scratch) MVPs for startups (fast launch) Custom web applications Dashboards & admin panels API-based systems & integrations Automation tools Real-time applications High-conversion landing pages 🧠 TECH STACK Frontend: React, Next.js, TypeScript Backend: Node.js, Express, NestJS Databases: PostgreSQL, MongoDB APIs: REST, GraphQL DevOps: Docker, AWS, Vercel Other: WebSockets, Stripe, Firebase 🚀 WHY CLIENTS WORK WITH ME ✔ Clean, scalable architecture ✔ Fast delivery without technical debt ✔ Strong communication ✔ Business-focused approach ✔ Ability to handle complex systems ✔ Long-term support 💡 Whether you need a custom web app, API-driven platform, or AI-powered dashboard, I can bring your vision to life with reliable architecture and seamless user experience. 👉 Click “Invite to Job” and let’s discuss your project goals and the best tech stack to achieve them.

👉 With 10+ years of UI/UX experience, I design websites and apps for SaaS, healthcare, AI, and startups, creating user-focused designs that boost conversions, revenue, and growth. 👉 Press “𝐈𝐍𝐕𝐈𝐓𝐄” or “𝐒𝐄𝐍𝐃 𝐀 𝐌𝐄𝐒𝐒𝐀𝐆𝐄” to get actionable UI/UX and web design insights in our first discussion. 🏆 10+ Years of Experience – Senior UI/UX Designer 💻 600+ Successful Projects – Websites, platforms & mobile designs 🚀 15000+ working hours 💸 Top 3% among freelancers on Upwork 💻 UI/UX Trainer: Trained 50+ Designers ⚙️ Figma expert 🚀 𝐁𝐎𝐎𝐒𝐓 𝐘𝐎𝐔𝐑 𝐖𝐄𝐁𝐒𝐈𝐓𝐄 & 𝐒𝐀𝐀𝐒 𝐂𝐎𝐍𝐕𝐄𝐑𝐒𝐈𝐎𝐍 & 𝐑𝐄𝐕𝐄𝐍𝐔𝐄 I’m not just a designer who makes things look good; I focus on understanding user behavior, identifying where they drop off, and using design changes to improve engagement, conversions, and ROI. ✨ My work blends user experience strategy and conversion optimization to deliver the best ROI. AREAS OF EXPERTISE: 🏅SaaS Platform UI UX Design 🏅 Conversion-Optimized Website Design 🏅 High Conversion Landing Pages & Sales Funnels 🏅 Website Redesigns for Improved Performance 🏅 User Journeys, Wireframes & High-Fidelity UI 🏅 AI-powered Tech Platforms 🏅 Dashboard Design 🏅 E-commerce 🏅 Mobile Apps 🏅 Branding / Logo / Brand Assets ⚡HOW I WORK: Before starting any design, I focus on understanding the business goal: ➡️What problem does your product/service solve? ➡️Who is your target audience? ➡️What action should users take? From there, I create clear user flows, strong visual hierarchy, and focused layouts that guide users toward action — whether it’s booking a call, signing up, or making a purchase. 💡 DESIGN PROCESS: 1. Discovery & UX Research – UX audits, stakeholder interviews, competitor analysis, KPIs, and user needs. 2. Strategy & Architecture – UX flows, journey maps, site architecture, and SaaS dashboard planning. 3. Wireframing & Prototyping – Low- and high-fidelity Figma prototypes, mobile Figma designs, and mockups for validation. 4. UI Design – Scalable, responsive, accessible interfaces for Webflow, WordPress, Shopify, Wix, Framer, and SaaS MVPs. 5. Handoff & Support – Pixel-perfect assets and documentation for Webflow developer, Shopify UI/UX teams, and SaaS product developers. ⚡ WHO I WORK WITH BEST - Startups developing MVPs - Service-based businesses - Coaches & consultants - HealthCare startups & professionals - SaaS marketing websites - Startups with existing products or traffic - Businesses running paid ads - E-commerce business ⚡WHAT YOU CAN EXPECT ✔ Clear communication ✔ Strategic, goal-driven design decisions ✔ Clean, organized Figma files ✔ Fast turnaround without compromising quality ✔ A partner who thinks beyond just visuals 👉 Press “𝐈𝐍𝐕𝐈𝐓𝐄” or “𝐒𝐄𝐍𝐃 𝐀 𝐌𝐄𝐒𝐒𝐀𝐆𝐄” to get actionable UI/UX and web design insights in our first discussion. And if you don't like working with me! I won't charge you a penny ❌ -As a senior UX/UI designer, I bring extensive experience designing high-performing SaaS platforms, web applications, and mobile applications, backed by a strong, conversion-focused portfolio. -As a senior Figma UI/UX designer, I work closely with SaaS product teams, founders, and stakeholders to design intuitive, scalable, and user-centered interfaces for web and mobile products. -With over 10+ years of hands-on experience in UX/UI design for SaaS, I specialize in solving complex product problems through research-driven UX strategy, 1interaction design, and clean UI execution. -I am an experienced UX/UI designer with deep knowledge of modern SaaS design trends, UX/UI best practices, usability standards, and industry-leading design tools including Figma. -As an expert SaaS UI/UX designer, I excel at simplifying complex SaaS workflows, dashboards, and data-heavy products into clear, intuitive, and user-friendly layouts. -As a freelance SaaS UI/UX designer, I combine strong design principles, clear communication, and reliable delivery to help startups and established SaaS businesses meet tight deadlines using Figma-based workflows. -As an experienced Figma SaaS UI/UX designer, I focus on user research, UX research, and user behavior analysis, transforming insights into wireframes, clickable prototypes, MVP designs, and high-fidelity UI aligned with business goals. SaaS designer, SaaS design, B2B SaaS, Senior Designer, Experienced designer, B2C Web App Design, Web App UX/UI, Dashboard design, Software designer, Map-based SaaS, Desktop Software Design, MVP design, MVP prototype, clickable prototype, mockups, UI/UX, UI Design, UX design, User Interface Design, Graphic design, Landing Page Design, User Experience Design, Web & Mobile Design, Responsive Web Design, UI Research, User Flow, mobile design, iOS app design, prototype design, Web design, website design, Figma, UX Research, wireframes design, UX/UI Designer, Interaction Design, platform design, UI UX designer SaaS, Web Designer, Web3 designer, product designer,