Mishal Zia

Full Stack Engineer with 5+ years of experience turning ideas into production-ready web products. Worked across AlfaOrigin, Peakrise Technologies, and freelance engagements — delivering AI automation systems, SaaS platforms, real-time applications, and analytics tools. Deep expertise in React, Next.js, TypeScript, Node.js, AWS, and AI/LLM integrations — including production RAG pipelines, retrieval-augmented chat, and multi-agent architectures built on Anthropic's Claude (Opus / Sonnet / Haiku) and OpenAI models.

Full Stack Engineer at Freelance / Self-Employed (2025-04 – Present)

Delivering end-to-end SaaS products and AI-powered applications for clients independently.

• Built production RAG pipelines and AI agents on Anthropic's Claude API (Opus / Sonnet / Haiku) — document ingestion and chunking, pgvector embeddings, hybrid retrieval with re-ranking, context-aware answer generation, and tool-calling workflows for enterprise knowledge bases.
• Used Claude Code to accelerate full-stack delivery — scaffolding, refactoring, test generation, and codebase-wide investigations — while personally owning all architecture and code-review decisions.
• Feature Upvote Clone — Built a full-featured player feedback and feature request board platform; implemented upvoting, moderation, real-time status updates, and admin dashboard using Next.js, Node.js, and PostgreSQL.
• PLANKA — Self-Hosted Kanban Board — Contributed to and extended a self-hosted Agile Kanban board with real-time collaboration, drag-and-drop task management, WebSocket sync, and multi-user support using React and Node.js.
• Inkdrop — Markdown Note-Taking App — Developed a cross-platform Markdown note-taking application with plugin architecture, cloud sync, robust editor, and tagging system using React, TypeScript, and Supabase.
• Modernized legacy SaaS platforms to improve scalability, performance, and user experience.
• Built AI-powered automation systems replacing manual workflows; developed data-driven analytics and forecasting platforms.

Full Stack Engineer at AlfaOrigin (2023-06 – 2025-02)

Developed and maintained full-stack web applications for multiple client products in an Agile environment.

• Implemented scalable backend services and RESTful APIs using Node.js and Express, integrated with React frontends.
• Built enterprise AI assistants and multi-tenant SaaS products powered by Anthropic's Claude and RAG-based retrieval over client knowledge bases; integrated payment solutions and real-time features.
• Contributed to code reviews, sprint planning, and technical architecture decisions across cross-functional teams.

Frontend Developer at Peakrise Technologies (2021-11 – 2023-05)

Built responsive, high-performance frontends for web applications using React.js and TypeScript.

• Collaborated with design teams to implement pixel-perfect UIs from Figma handoffs.
• Optimized application performance and conversion flows to drive stronger business outcomes.
• Resolved production bugs and contributed to feature development under deadline-driven conditions.

BS in Computer Science – COMSATS Institute of Information and Technology (2017-11 – 2021-08)