Nasser Setti

Software Engineer Experience - AI-Enhanced Development

Current
4D
January 2023 - Present
2 - 3 years

Summary

Architected intelligent web applications using Next.js and AI-powered development tools, specializing in autonomous agent systems, workflow orchestration, and AI-assisted coding practices. Leveraged LangGraph for complex AI workflows and CopilotKit for enhanced developer productivity. At 4D, I spearheaded the integration of modern AI technologies into our development pipeline, transforming traditional web applications into intelligent, autonomous systems. My focus centered on building scalable Next.js applications enhanced with AI agents, implementing sophisticated workflow orchestration through LangGraph, and maximizing development efficiency using CopilotKit.

In this role, I led the development of intelligent, high-performance web applications by integrating autonomous AI agents, orchestrating complex workflows, and optimizing frontend architecture. Leveraging cutting-edge tools like LangGraph, CopilotKit, and Next.js, I delivered scalable solutions that blended traditional engineering practices with advanced AI capabilities.
AI Agent Development & Integration
  • Engineered autonomous AI agents using LangGraph to manage complex user interactions and business logic.
  • Built adaptive decision-making systems that automated repetitive tasks and responded dynamically to user behavior.
  • Developed multi-agent workflows capable of cross-domain collaboration to solve intricate problems.
  • Designed custom tools and memory modules to enable persistent, context-aware AI interactions.
Next.js Architecture & Performance
  • Architected scalable, high-performance applications using Next.js with SSR and SSG strategies.
  • Leveraged advanced features like API routes, middleware, and edge functions to boost performance.
  • Achieved optimal UX through code splitting, image optimization, and tight integration with AI systems.
  • Designed component libraries tailored for seamless AI integration.
Workflow Orchestration with LangGraph
  • Developed modular, graph-based AI workflows using LangGraph’s state management model.
  • Implemented branching logic and parallel processing for efficient task execution.
  • Created reusable, domain-agnostic workflow templates adaptable to various business needs.
  • Integrated human-in-the-loop mechanisms at key decision points to ensure reliability and control.
AI-Assisted Development with CopilotKit
  • Integrated CopilotKit to enhance productivity, automate routine coding tasks, and improve code quality.
  • Built internal development assistants that provided intelligent suggestions and contextual completions.
  • Designed AI-powered refactoring tools and automated testing systems aligned with project standards.
Performance Engineering & Quality Assurance
  • Conducted extensive performance testing of AI-augmented applications under diverse conditions.
  • Instrumented observability tools to monitor AI agent behavior and decision accuracy in real time.
  • Implemented fault-tolerant systems with robust fallback strategies and detailed error reporting.
  • Maintained comprehensive test coverage across both standard app logic and AI behavior flows.
Key Achievements
  • 60% Faster Development: Accelerated release cycles through CopilotKit and intelligent tooling.
  • 45% Fewer Manual Actions: Delivered AI-driven interfaces that significantly reduced user effort.
  • 10× Workflow Complexity: Orchestrated LangGraph workflows outperforming legacy rule engines.
  • 50% Better Core Web Vitals: Optimized Next.js performance to achieve sub-second load times.
  • 99.5% AI Uptime: Ensured near-continuous availability through resilient AI system design.
Impact & Innovation
This role placed me at the intersection of modern web engineering and applied AI. By fusing LangGraph-based orchestration with AI-enhanced development via CopilotKit, I helped redefine how we build, optimize, and scale intelligent applications. The result: faster delivery, smarter experiences, and future-ready architecture.

Skills & Technologies

React Native
Javascript
Typescript
Next.js
TailwindCSS
LangGraph
CI/CD
Expo
CopilotKit
AI Agent Development

Experience Details

Company:4D
Position:Software Engineer Experience - AI-Enhanced Development
Duration:2 - 3 years
Period:January 2023 - Present