Senior Full Stack Engineer with 4+ years of experience building scalable web platforms, AI-powered products, and data-heavy dashboards used in real production environments.

I specialize in designing frontend architectures, building backend APIs, and integrating LLM-based AI features with a strong focus on performance, maintainability, and real-world impact.

• Build scalable frontend systems using React, Next.js, TanStack Query
• Design clean, performant UI architectures with Tailwind & Shadcn
• Develop backend APIs using Node.js, Express, and Python, FastAPI
• Integrate LLMs, agentic AI, and intelligent workflows for document analysis, conversational systems, and task automation
• Optimize performance, data flow, and system reliability
• Own features end-to-end from architecture to production

• React, Next.js (App Router & Pages)
• State management and server caching
• Component-driven architecture
• Performance optimization & memoization
• Responsive, production-grade UI systems

• Node.js, Express, Python, FastAPI
• REST APIs & authentication flows
• Secure API gateways and service integration
• Data validation and error handling

• LLM integration for chat, summarization, and scoring
• Prompt engineering for structured outputs
• Document parsing and AI-driven analysis
• Streaming responses and async workflows
• Production-focused AI feature design

• PostgreSQL, MongoDB, SQLite
• Deck.gl, Google Maps APIs
• Real-time dashboards and analytics
• Large dataset rendering and optimization

• Dockerized applications
• CI/CD pipelines
• Git-based workflows
• Production deployments and monitoring

Production-ready NPM package for analyzing dependency size, impact, and optimization insights in JavaScript projects.

Secure client-side storage utility with encryption and session safety, designed for real-world web applications.

Dashboard to track API uptime, latency, failures, and health status with clean UI and structured error reporting.

👉 View all repositories:
https://github.com/abhishekayu?tab=repositories

• Designed and owned frontend architecture for enterprise dashboards
• Integrated LLM-powered features into production systems
• Built interactive data-heavy UIs with maps and charts
• Improved performance and scalability of existing platforms
• Mentored developers and reviewed architectural decisions
• Shipped LLM + agentic AI workflows for document intelligence and automation
• Built RAG-based document chat with retrieval tuning and grounded outputs

Languages:
JavaScript, TypeScript, Python

Frontend:
React, Next.js, TanStack Query, Tailwind CSS, Shadcn, Ant Design

Backend:
Node.js, Express, Python, FastAPI

AI / LLM:
Agentic workflows, Tool calling, RAG (embeddings + retrieval), Prompt engineering, Structured outputs, Evals/monitoring

Databases:
PostgreSQL, MongoDB, SQLite

DevOps:
Docker, Git, CI/CD

• Portfolio: https://portfolio-nu-eight-76.vercel.app/
• LinkedIn: https://www.linkedin.com/in/abhishek-ayu/
• GitHub: https://github.com/abhishekayu
• Email: imdarkcoder@gmail.com