Waqar P.

AI & Full-Stack Systems Engineer | APIs, SaaS & Automation

I help startups, SaaS companies, ecommerce teams, and operations-heavy businesses replace manual workflows and disconnected software with reliable AI applications, full-stack systems, and API-driven automation. With 8+ years of development experience, I work across frontend, backend, databases, integrations, cloud infrastructure, WordPress, WooCommerce, and Shopify. I am most valuable on projects where several systems, technologies, and business rules must work together reliably. WHO I HELP • Founders building AI-powered or SaaS products • Product teams extending existing web applications • Operations teams automating CRM, reporting, and administrative workflows • Ecommerce businesses requiring custom WordPress, WooCommerce, or Shopify functionality • Companies connecting CRMs, databases, APIs, and third-party platforms PROBLEMS I SOLVE • Turning company documents and knowledge into useful AI applications • Building secure dashboards, admin panels, SaaS platforms, and internal tools • Connecting platforms through APIs, webhooks, OAuth, and scheduled synchronization • Automating lead routing, CRM updates, reporting, notifications, and data processing • Developing custom WordPress themes, plugins, WooCommerce workflows, and Shopify functionality • Preventing duplicate records, synchronization loops, lost updates, and partial failures • Improving existing applications through debugging, performance optimization, testing, and production support TECHNOLOGIES I USE AI & LLM Engineering: OpenAI, GPT-4, Claude, Gemini, RAG, LangChain, LangGraph, prompt workflows, structured outputs, document processing, and knowledge-grounded assistants. Frontend: React, Next.js, JavaScript, TypeScript, HTML5, CSS, responsive interfaces, dashboards, and component-based development. Backend & APIs: Python, Node.js, PHP, Laravel, REST APIs, webhooks, OAuth 2.0, authentication, background processing, data validation, and third-party integrations. Databases & Data: PostgreSQL, MySQL, MongoDB, Firebase, Google Sheets, data transformation, pagination, normalization, synchronization state, and reporting. WordPress & Ecommerce: WordPress, WooCommerce, Elementor, Gutenberg, ACF, custom themes, custom plugins, multilingual websites, Shopify 2.0, Liquid, B2B/B2C functionality, checkout customization, inventory, fulfilment, and payment integrations. Automation & Cloud: Zapier, n8n, AWS, GCP, Cloudflare, Git, CI/CD, logging, monitoring, error handling, retries, and production deployment. RELEVANT RESULTS AND PROJECTS • AI HR and Employment-Law Assistant Delivered a $7,000 GPT-4 application that used the client’s business knowledge to provide contextual HR guidance and support structured document and compliance workflows. • CRM and Lead-Routing Automation Built API and workflow automations for lead capture, validation, routing, follow-up, and reporting, reducing manual administrative work by approximately 50–60%. • OfficeRND Data Integration Developed synchronization for resource, company, availability, and booking data using REST APIs and normalized database records. The integration included pagination, source-ID preservation, duplicate prevention, persistent synchronization state, failure handling, and reporting. • Internal Operations Dashboard Built an internal dashboard and Google Sheets automation for managing business data, recurring processes, and operational reporting. • WordPress and WooCommerce Systems Developed custom themes, reusable Gutenberg and ACF components, plugins, checkout workflows, multilingual content, booking and consultation functionality, CRM integrations, payment integrations, and performance improvements. • Shopify Development Built and maintained Shopify storefront functionality involving Liquid templates, customer access rules, B2B/B2C product visibility, regional inventory, fulfilment workflows, and third-party integrations. LET’S DISCUSS YOUR PROJECT If you need to build an AI application, automate a manual workflow, connect disconnected platforms, or extend an existing web or ecommerce system, send me: • Your current workflow or application • The technologies and platforms involved • The main bottleneck or desired result I will help you identify the appropriate architecture, major technical risks, and the most practical first milestone. Top Rated | 100% Job Success | $20K+ earned on Upwork