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Joshugoi/README.md

Hello, I'm Joshua! 👋

DevSecOps & Cloud Engineer Professional
M.S. in Cybersecurity | CySA+ | Security+

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🛠️ Technical Skills Matrix

A snapshot of the tools and technologies I use to build, secure, and scale applications.

Category Technologies
Backend Development Go (Golang), Python, Django, PostgreSQL
Cloud & DevOps AWS, Azure, Terraform, Docker, Kubernetes (Amazon EKS), GitHub Actions
Security & Automation Wazuh (XDR), Splunk, LimaCharlie (EDR), Tines, Shuffle, IAM Least-Privilege

🚀 Featured Backend & CloudOps Projects

Architected a containerized market analysis tool to track financial volatility and automate pricing updates.

  • Tech Stack: Python, PostgreSQL, Docker, GitHub Actions, Third-Party APIs
  • Key Deliverables:
    • Designed a centralized PostgreSQL database to ingest real-time market data and track 24-hour asset volatility.
    • Developed a rate-optimized data scraping script utilizing Python to guide dynamic pricing strategies.
    • Containerized the application layers using Docker and built an automated CI/CD pipeline via GitHub Actions.

Building a modular, open-source service management engine optimized for high scalability.

  • Tech Stack: Go, Python, Docker, Terraform
  • Key Deliverables:
    • Writing the core service lifecycle engine in Go and Python to ensure low-latency backend performance.
    • Defining the entire infrastructure as code using Terraform to provide a provider-agnostic deployment environment.

Built an intelligent LLM processing agent backed by a fully automated MLOps infrastructure.

  • Tech Stack: Python, Gemini API, AWS, Docker, Terraform
  • Key Deliverables:
    • Integrated large language model APIs into a Python core framework to handle contextual data orchestration.
    • Automated cloud environment provisioning on AWS using Terraform to host the containerized agent securely.

☁️ AWS Architecture & Serverless Deployments

Engineered a continuous delivery pipeline for a scalable web application hosted on containerized infrastructure.

  • Tech Stack: Amazon EKS (Kubernetes), Docker, AWS CodePipeline, CodeBuild, Django
  • Key Deliverables:
    • Orchestrated a high-availability container deployment strategy on Amazon EKS fronted by an Application Load Balancer.
    • Constructed an automated continuous delivery pipeline utilizing AWS CodePipeline and CodeBuild.

Designed a serverless backend infrastructure to automate document verification and identities.

  • Tech Stack: AWS Lambda, API Gateway, S3, SQS, Textract, Rekognition, IAM
  • Key Deliverables:
    • Enforced a Zero Trust framework by implementing strict AWS IAM least-privilege security policies.
    • Built an asynchronous processing workflow using Amazon SQS to handle automated data extraction and facial validation.

🛡️ Security Operations & Defense Architecture

  • Tech Stack: LimaCharlie (EDR), Tines (SOAR), Microsoft Defender for Endpoint
  • Impact: Built automated workflows to drastically reduce incident response times by instantly triaging and mitigating endpoint detections.
  • Tech Stack: Wazuh (XDR), Shuffle (SOAR), TheHive (Case Management)
  • Impact: Established a centralized security hub implementing log ingestion, automated playbook execution, and streamlined incident case tracking.
  • Tech Stack: Windows Server, Splunk, Kali Linux, Atomic Red Team
  • Impact: Configured a secure corporate sandbox environment to simulate, detect, and analyze MITRE ATT&CK-mapped infrastructure exploits.

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