How to Sell What You Build
Mar 2026·8 min read
We won first place at the AWS x Datadog x Anthropic Hackathon. Our code wasn't the best in the room. Here's what actually won.
BuildingHackathonAI Security
Lang Gui
I'm Lang, a Forward Deployed Engineer at Galatiq, building AI solutions for Fortune 500 teams. I ship AI-powered products from 0→1 — 10 apps in 10 weeks, from a winning AWS hackathon automated red-teaming platform to voice-to-PR agents.
BU Computer Engineering '25, Technology Innovation concentration. Ex-Cadence Design Systems.
Building for today's problems. Architecting for tomorrow's.
Experience
Galatiq
Forward Deployed Engineer
April 2026 - Present · Austin, TX
- •Building AI solutions for Fortune 500 teams
EasyBee AI
AI Engineer
July 2025 - March 2026 · San Francisco, CA
- •Built LangGraph supervisor agent with 3 sub-agents → reduced cold-start latency from 5s to 150ms
- •Production RAG pipeline with Pinecone + GPT-4o → 40% improvement in booking conversion
- •Deployed containerized AI system with Docker + GitHub Actions CI/CD
Cadence Design Systems
Machine Learning Engineering Intern
May 2024 - Aug 2024 · Austin, TX
- •Led POC for thermal modeling feature → validated 5% performance gains
- •Built 3D visualization tool for non-technical stakeholders
- •Automated 500GB data pipeline → saved 8 hours/week of manual analysis
Terrier Motorsports
GLV Team Lead
2023 - 2024 · Boston, MA
- •Led 5-engineer team to deliver 3 embedded subsystems using C++ and CAN bus
- •Reduced input latency from 120ms to 72ms → completed 1 week ahead of deadline
Human Computer Interaction Lab
Research Assistant
Feb 2023 - July 2023 · University of Sydney
- •Built Python models analyzing smartwatch data from 200+ users → 75% churn prediction accuracy
- •Identified UI friction points → 15% engagement improvement
Selected Works
Next.js 14TypeScriptSQLite
Graduation Trend
2026 commencement intelligence dashboard
A dashboard-first Next.js product that tracks commencement speakers across US News top 50 universities. It combines source-backed speaker research, ceremony-type caveats, topic clustering, regional/rank-band charts, an interactive Leaflet map, speaker profiles, and a production-safe JSON fallback so the product can run without a local SQLite file.
Developer ToolsNode.jsExpress
ccDashboard
Analytics dashboard for Claude Code — track spending, sessions, efficiency, and tool usage across all projects. Features cost tracking, weekly wrapped summaries, activity heatmaps, efficiency scoring, tool analytics, and an AI Memory Manager that extracts knowledge from sessions into CLAUDE.md.
🚀 Top PicksAWS × DatadogPython
Crimson — AWS × Datadog Hackathon Winner
Automated red-teaming platform that discovers vulnerabilities in LLM-based agent systems. Four-stage multi-agent pipeline (Recon → Plan → Attack → Report) built on AWS Strands Agents + Bedrock probes target agents across 6 attack categories including prompt injection, secret exfiltration, and policy bypass. Features Neo4j attack surface visualization, Datadog trace deep-linking, and severity-rated vulnerability reports with actionable remediation steps.
week7#10weeks10appsPython
AdFlow
AI-powered video ad generator that transforms any product URL into professional short-form video advertisements in under 60 seconds. Features Claude Agent SDK orchestration, dual video providers (FreePik WAN 2.6 & Kie.ai Veo 3), intelligent product metadata extraction, and a FastAPI dashboard with real-time job tracking.