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Hello! I’m Zubair Ahmed, a passionate and experienced Front-End Developer with over 10 years of expertise in crafting responsive, scalable, and visually stunning user interfaces. My goal is to turn your vision into reality by delivering high-quality web and mobile experiences that captivate users and enhance performance. 💻 What I Offer: Responsive Web Design: Expertise in HTML, CSS, SCSS, LESS, and frameworks like Bootstrap and Material Design to create pixel-perfect designs. Advanced Front-End Development: Proficiency in JavaScript, jQuery, React, Vue, and React Native for dynamic and engaging user experiences. UI Performance Optimization: Ensuring your application loads fast and performs seamlessly on all devices. Cross-Platform Mobile UI: Development using Ionic and React Native for a consistent mobile experience. 🛠️ Tools and Skills: HTML5, CSS3, SCSS/LESS JavaScript (ES6+), React, Vue.js, jQuery Bootstrap, Material Design, Ant Design Mobile UI frameworks: React Native, Ionic Debugging and Testing (UI performance optimization) 🚀 Notable Achievements: Successfully developed UI for FinanceBakerZ, a powerful web and mobile platform for managing income and expenses. Delivered scalable and responsive UI for Nazli, an online shipment management system. Extensive experience collaborating with remote teams and ensuring high-quality results. 🌟 Why Hire Me? Discounted hourly rate: $10/hour for high-quality work. Flexible to work on a fixed monthly salary between $800–$1000. Dedicated to exceeding client expectations with timely delivery and exceptional results. Let’s work together to create something incredible. Feel free to contact me for your next project! I’m eager to contribute to your success.

I’m a PCB Design Engineer with 12+ years of experience in Altium Designer, specializing in IoT hardware, embedded systems, and power electronics. I design reliable, efficient, and manufacturable PCBs — from concept to final prototype. Over the years, I’ve worked on projects ranging from ESP32/STM32-based IoT devices to high-efficiency Medical Devices, Motor drivers, and FPV Drone boards. My focus is on performance, signal integrity, and low power loss — ensuring every design is optimized for real-world conditions. 💡 What I Offer PCB schematic capture and multilayer layout (Altium Designer) IoT and embedded boards using ESP32, STM32, and Raspberry Pi Design verification, simulation (Proteus/Multisim) Gerber, BOM, and fabrication-ready documentation 🎯 Why Work With Me ✔️ Strong background in electronics design for commercial and defense projects ✔️ Focused on clear communication and timely delivery ✔️ Deep understanding of DFM (Design for Manufacturing) and prototyping Let’s collaborate to turn your idea into a high-performance, production-ready PCB.

I'm a creative and detail-oriented Video Editor with a passion for bringing ideas to life through visuals that tell a story and capture attention. Video Editing Expertise: 1) Professional editing for YouTube, Instagram, TikTok, and promotional videos. 2) Smooth transitions, color correction, motion graphics, and sound design. 3) Expertise in Adobe Premiere Pro, After Effects, and DaVinci Resolve. What you can expect from me: 1) High-quality, creative, and on-time work. 2) Fast communication and revisions until you’re 100% satisfied. 3) A reliable freelancer who values your brand and vision. I’m here to help your content stand out with eye-catching visuals and professional editing. Let’s work together to make your next project amazing!

I help businesses set up, fix, and scale their CRM systems so sales teams actually use them and leadership gets clear visibility into revenue, leads, and performance. I specialize in CRM implementation, automation, optimization, and administration, with strong hands-on experience in HubSpot CRM and Zoho CRM, and practical experience working with Salesforce, Pipedrive, Freshsales, Attio, and Twenty CRM. My approach is simple and practical. I don’t start with tools. I start by understanding how your business actually works, then design the CRM around your real processes, not generic templates. CRM Services I Offer CRM Implementation & Setup CRM requirement analysis and system architecture Custom pipelines, deal stages, and lifecycle setup User roles, permissions, and access control CRM setup from scratch or optimization of existing systems Sales CRM and marketing CRM alignment CRM Automation & Optimization Lead assignment and routing automation Sales and marketing workflow automation Follow-ups, reminders, SLA tracking, and task automation CRM data cleanup, standardization, and performance optimization Automation to reduce manual work and missed follow-ups Advanced CRM Integrations & Custom Automation I build custom CRM integrations using APIs and automation tools, not just basic trigger-based workflows. Examples include: CRM integrations with accounting systems (invoicing, billing, payments) CRM integrations with marketing platforms and lead sources CRM integrations with internal portals or custom applications CRM integrations with third-party tools using logic-based, two-way data sync The goal is clean data flow, reliable automation, and systems that scale without breaking. CRM Platforms & Tools HubSpot CRM (Sales, Marketing, Service) Zoho CRM and Zoho ecosystem Salesforce Pipedrive Freshsales Attio Twenty CRM Why Clients Work With Me Strong understanding of CRM best practices Process-first approach, not tool-first Clean, scalable, and well-documented setups Clear communication and structured delivery Focus on long-term usability, not quick fixes I’m new to Upwork, but not new to real-world CRM projects and integrations. My goal is to build long-term client relationships by delivering systems that actually work. If you’re looking for a CRM that supports growth and reduces operational friction, I’d be happy to help.

With over 6 years of experience building and scaling Shopify stores, I've successfully served 350+ clients, achieving a 100% Job Success Score and Top Rated status. I specialize in creating, customizing, and optimizing Shopify stores, from Shopify Plus storefronts to custom apps and Laravel-powered backends. **What I Do:** - Develop custom Shopify themes with a focus on mobile-first, conversion-driven design. - Execute Shopify Plus migrations, checkout customizations, and seamless app integrations. - Build custom Shopify apps that connect to Laravel backends, ERPs, and inventory systems. - Optimize site speed and Core Web Vitals for enhanced performance. - Implement technical SEO strategies for Shopify, including structured data and improved crawlability. - Synchronize multi-store inventory using Shopify Webhooks and Laravel Queues. - Develop AI-powered tools, such as invoice parsing pipelines and AI image generation. **Recent Work:** - Created a multi-store inventory sync system for real-time stock updates across 9+ Shopify storefronts using Webhooks and Laravel Queues. - Integrated a custom filter/facet app into a Shopify Plus collection page, featuring a dynamic mobile grid switcher and live-synced filter counts. - Developed an AI-powered invoice parsing system (OCR + GPT-based extraction) that significantly reduced manual data entry on financial documents. **Client Feedback:** "We hired Hamza for a web development project and he delivered ahead of schedule exactly what we scoped out. Hamza is a pleasure to work with — responsible, talented, and very quick. We'll hire him again and recommend him for future projects." — Doug E. If you're looking for a Shopify developer who can also manage the backend — including Laravel APIs, inventory systems, and custom integrations — let's discuss how I can help with your project.

→ Scope agreed before code, architecture doc before line one, working software you can click every week. That's how I work on every project. ⭐️ 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 on Upwork 💯 𝟏𝟎𝟎% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 (and proud of it!) 💰 $𝟑𝟎𝐊+ 𝐄𝐚𝐫𝐧𝐞𝐝 🏅 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 𝐒𝐞𝐥𝐥𝐞𝐫 🕒 𝟗+ 𝐲𝐞𝐚𝐫𝐬 in web development: 5+ as a software engineer at product companies (Signavio, Airlift), 4 freelance Most founders find me after a React or Next.js build stalled: slow pages, brittle APIs, an AI feature that never shipped. I'm a full-stack developer (React, Next.js, Node.js, TypeScript, Python) who does AI and API integration properly: RAG, agents, workflow automation, and Claude/OpenAI in production. 𝗠𝘆 𝗖𝗼𝗿𝗲 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 → Full Stack Development (Start to Finish) The load-bearing stuff done right, so it doesn't break at 2 am. React and Next.js App Router (Server Components, SSR/ISR/CSR, performance optimization), Node.js, NestJS, Python (FastAPI), REST and GraphQL. Supabase and PostgreSQL with row-level security, real-time subscriptions, and multi-tenancy. Auth and RBAC for B2B SaaS. Stripe subscriptions and metered billing that doesn't leak revenue. TypeScript-strict throughout. Built for SaaS from day one: multi-tenant architecture, subscription billing, and scale. → AI Development & Integration A working AI layer on software that already has users. RAG pipelines on Pinecone, pgvector, and Chroma (legal search, healthcare KBs, enterprise Q&A). Chatbots that retrieve from your actual data instead of guessing at it. Claude API, OpenAI GPT-4o, function calling, structured outputs: LangChain and LangGraph agents and multi-agent workflows. → API Integration & Automation Third-party APIs, CRM systems, payment gateways, legacy service connections. AI-powered workflow automation built in n8n, Make. com, Zapier, and GoHighLevel. 390+ hours on a single ongoing API integration and GoHighLevel automation contract. → 𝐑𝐞𝐬𝐜𝐮𝐢𝐧𝐠 𝐄𝐱𝐢𝐬𝐭𝐢𝐧𝐠 𝐁𝐮𝐢𝐥𝐝𝐬 Inherited codebase, missing docs, previous developer gone. I take it over, stabilize it, and leave it handoff-ready. 𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 → Frontend: React | Next.js App Router | Server Components | SSR / ISR / CSR | TypeScript | Tailwind CSS | Performance Optimization → Backend: Node.js | NestJS | Python | FastAPI | REST APIs | GraphQL → Databases: PostgreSQL | Supabase | Row-Level Security | Realtime | Multi-Tenancy → AI & RAG: Claude API | Claude Code | OpenAI API | GPT-4o | Function Calling | Structured Outputs | LangChain | LangGraph | AI Agents | Pinecone | pgvector | Chroma | Vector Databases | AI Chatbots → Automation: Workflow Automation | n8n | Make. com | Zapier | GoHighLevel | Webhooks | CRM Integrations → Auth & Payments: Clerk | Supabase Auth | RBAC | Stripe API | Subscriptions | Metered Billing → DevOps & Tools: AWS | GCP | Vercel | Docker | GitHub Actions | CI/CD 𝐑𝐞𝐜𝐞𝐧𝐭 𝐁𝐮𝐢𝐥𝐝𝐬 → 𝐄𝐧𝐭𝐫𝐞𝐩𝐞𝐝𝐢𝐚: PLR marketplace SaaS on Next.js with Stripe billing → 𝐇𝐞𝐚𝐥𝐭𝐡𝐝𝐞𝐬𝐤𝐀𝐈: AI CRM that turns leads into booked clients for fitness businesses → 𝐑𝐞𝐬𝐭𝐨𝐂𝐨𝐦𝐦𝐚𝐧𝐝: restaurant SaaS with AI demand forecasting that takes the guesswork out of inventory → 𝐒𝐞𝐥𝐥𝐫𝐆𝐫𝐢𝐝: multi-tenant marketplace built to onboard vendors without things breaking → 𝐒𝐦𝐚𝐫𝐭 𝐓𝐫𝐚𝐢𝐧𝐞𝐫 𝐋𝐌𝐒: learning platform with AI analytics and auto-generated certificates → 𝐑𝐀𝐆 𝐂𝐫𝐲𝐩𝐭𝐨 𝐑𝐞𝐬𝐞𝐚𝐫𝐜𝐡 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦: pulls clear answers out of scattered market data 𝐇𝐨𝐰 𝐈 𝐖𝐨𝐫𝐤 → Scope first. No code until we're aligned on exactly what we're building → Architecture doc before a single line is written → Weekly staging demos. Working software you can click, not status updates → Handoff-ready, TypeScript-strict code your next dev will thank me for 📩 Tell me what you're building: the idea, your timeline, your budget. I'll walk you through exactly how I'd approach it. I usually reply within a few hours.