Systems that see, reason, and ship

Sebastian LauAI/ML Software EngineerAWS | Generative AI | Computer Vision | Data Analytics

I build computer vision, forecasting, and model-powered products that work beyond the demo.

Real model output

YOLO11n · MULTI-OBJECT TRACKING
Model output playing
PIPELINEYOLO11n + BYTE TRACK
PROCESSED FOOTAGEFRAME 0000
ModelYOLO11n
Video rate29.97 FPS
Detector classes04
TrackerBYTE TRACK

YOLO11n and ByteTrack generated every box and ID. Pre-rendered for fast browser playback.

Source footage · João Pavese / Pexels

Live projects

OPEN IN YOUR BROWSER

Try them live.

Three deployed projects you can use right now. No sign-in, nothing to install, and the source is on GitHub.

Selected systems

2024 TO NOW
01COMPUTER VISION

Real-time object tracking

60 FPSlive processing
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YOLO detection, SAM 2.1 segmentation, stable track IDs, and occlusion recovery at 60 FPS.

PythonPyTorchYOLOYOLO-ESAM 2.1SAMURAIUltralyticsOpenCV
Pipeline

YOLO detections feed SAM 2.1 masks and persistent IDs.

Engineering

Built capture, association, overlays, and multi-object tracking.

Research

Tested SAMURAI workflows to reduce drift through occlusion.

02APPLIED AI

Readiness forecasting

70%+less manual review
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FastAPI forecasts, anomaly signals, and explainable risk scores from supply data.

PythonFastAPIPandasNumPyPostgreSQLAWS BedrockLangChainRAGMCP
Data

PostgreSQL and Pandas power forecasting and anomaly detection.

Product

A FastAPI dashboard ranks parts by shortage risk.

AI

Bedrock, LangChain, and MCP explain trends in plain language.

03MODERNIZATION

Legacy intelligence

100K+lines analyzed
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Mapped COBOL logic, dependencies, and migration risk for AI-assisted modernization.

COBOLJavaPythonSQLAWS TransformMCP
Scope

Analyzed more than 100,000 lines of legacy COBOL.

Analysis

Extracted business logic and mapped dependencies.

Handoff

Documented risks for safer AWS Transform migrations.

Computer vision, forecasting, and backend systems. Built for real operations.

AI systems for vision, readiness, and legacy modernization.

A running tiger detected and tracked across video frames
Detection → segmentation → persistent trackingAI / ML Software Engineer · B.A. Computer Science + Data Science
Illustrative system view · Demo data

From signals to readiness.

Forecasting and risk scores flag parts before shortages affect readiness.

Fleet readiness forecast
60-day outlook · Demo
Projected readinessForecast trend
Today+30 days+60 days
Supply riskComponent mix
HighWatchStable
Risk by subsystemPriority queue
Hydraulics
84
Avionics
68
Propulsion
52
Airframe
31
Shortage horizonEarly warning
Actuator assembly14 daysHigh
Sensor module27 daysWatch
Power unit41 daysWatch
Demo data. No operational values shown.

Model intelligence

THE VISION STACK

The vision stack.

Detect, segment, and preserve identity fast enough to matter.

01
Detection

YOLO · YOLO-E · Ultralytics

Real-time targets, boxes, and confidence scores.

02
Segmentation

SAM 2.1

Pixel-precise masks around detected objects.

03
Tracking

SAMURAI · custom association

Stable identities through motion and occlusion.

04
ML foundations

PyTorch · TensorFlow · scikit-learn

Training, evaluation, and predictive modeling.

Beyond the model

PRODUCTION SYSTEMS

Models need systems.

01

AI orchestration

Models connected to tools and structured data.

02

Data intelligence

Forecasting, anomaly detection, and risk scoring.

03

Production APIs

FastAPI and Node.js services built for use.

04

Delivery

Docker, Kubernetes, SageMaker, and AWS.

How I approach the workUnderstand · Build · Deliver
01 / Observe

Find the signal

Define the data, constraint, and decision.

02 / Model

Test the pipeline

Measure real failure modes, not just metrics.

03 / Ship

Build the product

Deliver reliable APIs, interfaces, and monitoring.

Technical skills

The complete stack.

Languages

PythonJavaScript/TypeScriptSQLJavaCOBOL

Machine learning and data

PyTorchTensorFlowscikit-learnPandasNumPyTime-series forecastingAnomaly detectionFeature engineering

Generative AI and vision

AWS BedrockLangChainRAGMCPYOLOYOLO-ESAM 2.1SAMURAIUltralyticsOpenCV

Full stack and APIs

FastAPIFlaskNode.jsReactNext.jsREST APIsPlaywrightPostman

Cloud, databases, and DevOps

AWS SageMakerS3AWS TransformPostgreSQLDockerKubernetesGitCloudflare