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AlCodes808/README.md

πŸ–– Hi, I'm Alonzo

Software Engineer | Systems & Cloud


πŸš€ About Me

role: Full Stack Software Engineer
education: 
  - BS Computer Science
  - MS Cyber Security (In Progress)
specialties:
  - Cloud Infrastructure & AWS
  - Machine Learning & AI
  - Systems Security
  - Systems Programming

πŸ› οΈ Technical Arsenal

Languages

C++ C Python JavaScript Java TypeScript SQL

Systems & Embedded

CMake OpenSSL Linux Docker

Cloud & Infrastructure

AWS Google Cloud Firebase

Frontend

React Next.js TailwindCSS

Backend

Node.js Express.js

Databases

PostgreSQL DynamoDB MongoDB


πŸ† Professional Certifications

☁️ Cloud & Machine Learning

AWS MLA AWS SAA

πŸ”’ Security & Infrastructure

Security+ Network+

ITIL 4

πŸ“Š Project Management

Project+



🎯 Featured Projects

Production-grade over-the-air firmware update engine for distributed embedded fleets

  • Built C++17 client daemon with strict 8-state machine managing the full update lifecycle from idle through automatic rollback
  • Implemented cryptographic verification pipeline using OpenSSL - SHA-256 hashing and RSA signature validation rejects tampered packages before a single byte is applied
  • Delta patch system using bsdiff reduces bandwidth by downloading only what changed between firmware versions
  • Rollback engine snapshots firmware pre-update and restores automatically on health check failure with zero manual intervention
  • Integrated AWS IoT Core MQTT, S3 artifact storage, DynamoDB fleet state tracking, Lambda rollout controller, and SNS alerting
  • Staged canary rollout halts automatically when fleet failure rate exceeds configurable threshold
  • Recall tracking system - per-device remediation records with regulatory-grade auditability

End-to-end telemetry platform for monitoring aerospace embedded systems in real time

  • C++ agent implements AWS Signature Version 4 from scratch using libcurl and OpenSSL to ship metrics directly to Kinesis
  • Dual anomaly detection - threshold and z-score statistical analysis runs on every telemetry record in Lambda
  • Node.js API with WebSocket support feeds a live React dashboard with alert management across a 10-device simulated fleet
  • DynamoDB with 12-hour TTL auto-expiry keeps storage costs near zero at scale

πŸ›‘οΈ CAN Bus Sentinel IDS

Automotive intrusion detection combining rule-based engines with ML-powered anomaly analysis

  • 5 rule-based detection engines plus Isolation Forest ML model achieving 86% detection accuracy
  • Deployed ML from Python training to embedded C inference with zero external dependencies and under 1ms processing per frame
  • Detected 23 attacks that bypassed traditional signature-based detection through statistical timing pattern analysis

Automotive CAN 2.0B network simulator with multi-ECU communication and real-time diagnostics

  • 4 ECUs with priority-based message arbitration, collision detection, and diagnostic trouble code management
  • Embedded systems concepts: circular buffers, state machines, binary protocols, timing-driven execution

Cloud security lab demonstrating real-world attack chains in misconfigured AWS infrastructure

  • SSRF exploitation, IMDSv1 abuse, IAM credential theft, and lateral movement across segmented VPC
  • End-to-end intrusion chain across DMZ, Internal, and Restricted tiers

Pinned Loading

  1. CAN-Bus-Sentinel-IDS CAN-Bus-Sentinel-IDS Public

    Automotive intrusion detection system with ML-powered threat detection with web dashboard

    C

  2. CAN-Bus-Communication-Sim CAN-Bus-Communication-Sim Public

    An automotive CAN (Controller Area Network) bus simulator demonstrating multi-ECU communication, message arbitration, and diagnostic trouble code (DTC) management. With a dashboard for visualizations.

    C 2 1

  3. Spatial-statistics-hot-spot-analysis Spatial-statistics-hot-spot-analysis Public

    Spatial Data Science: Hotspot Detection using Big Data

    Scala

  4. Machine-Learning-Diabetes-Prediction Machine-Learning-Diabetes-Prediction Public

    Predicting diabetes using machine learning. Implemented on a fullstack webpage

    HTML

  5. fleet-telemetry fleet-telemetry Public

    End-to-end fleet telemetry platform. C++ embedded agent, AWS Kinesis/Lambda/DynamoDB ingestion pipeline, real-time anomaly detection, and React monitoring dashboard

    Makefile

  6. OTA-Fleet-RollGuard OTA-Fleet-RollGuard Public

    OTA firmware update engine for distributed embedded fleets. C++17 Β· AWS IoT Core Β· Delta Patching Β· Cryptographic Verification Β· Automatic Rollback Β· Staged Rollout

    C++