Senior Software Engineer with over 10 years of experience designing, building, and leading secure, scalable cloud-native systems. Proven expertise in Golang microservices, cryptography, PKI infrastructure, and connected vehicle platforms at Toyota. Strong track record architecting complex solutions, driving technical initiatives, mentoring engineers, and delivering production systems that support secure vehicle-to-cloud communications and automated electric vehicle charging.
Experience
Senior Software Engineer — Present
Toyota Motor Company North America
Led architecture and development of critical cybersecurity platforms and secure vehicle-to-cloud services for connected and electric vehicles.
  • Led design and implementation of OAuth 2.0 framework supporting PKCE, Authorization Code, and Client Credentials flows for multiple internal services.
  • Architected automated ECDH Key Derivation service using AWS KMS and Secret Manager, enabling secure key exchange for real-time vehicle telemetry.
  • Designed and implemented V2G Root bundle installer and workflow persistence mechanisms for Plug and Charge (PnC), enabling secure automated EV payments.
  • Architected high-performance PKCS11 proxy supporting Luna HSM and AWS CloudHSM backends, unifying cryptographic operations across hybrid environments.
  • Built core Golang cryptographic libraries, configuration stack, caching middleware, and REST/gRPC APIs supporting Toyota 2024 and 2021 vehicle models.
  • Engineered secure boot services and Microsoft Authenticode signing solution using Golang, AWS Lambda, Docker, and on-premises HSMs.
  • Developed and deployed mTLS 1.3 infrastructure and automated certificate chain management tooling, reducing manual security operations by approximately 70%.
  • Led CI/CD automation initiatives using Python, GitHub Actions, SonarQube, and Terraform, increasing test coverage by 45% and improving deployment reliability.
  • Mentored 5+ junior engineers on secure Golang development, system design, and cryptographic best practices while establishing team coding standards.
  • Created and maintained architectural documentation (C1-C4 models, sequence diagrams) adopted across the Product Cybersecurity Group.
Senior Security Analyst
Toyota Motor Company North America
Developed secure backend services and automation platforms for vehicle cybersecurity and vulnerability management.
  • Built cloud-native AWS Lambda services that automated vulnerability report ingestion and Jira integration workflows.
  • Designed automated security vulnerability management pipelines using AWS S3, Lambda, SNS, and Python, accelerating remediation processes.
  • Developed dynamic SharePoint permissions service integrated with Jira workflows.
  • Contributed to architecture of Test Automation Platform (TAP) for cloud-based vehicle system testing.
  • Supported development of Toyota 2021 cryptographic libraries protecting ECU software.
Full Stack Developer
5Ms Mineral Management
Designed and developed full-stack MineralWare application automating mineral rights management and revenue processing.
  • Led full-stack development of real-time alert system and scalable CMS using Python and SQL.
  • Optimized SQL queries and indexes, improving data retrieval performance by over 60%.
  • Drove security enhancements that enabled successful SOC-2 audit compliance.
  • Enhanced GIS architecture for improved performance and geospatial data accuracy.
Web Specialist
University of Texas at Arlington
Developed responsive web applications and internal analytics tools for university operations.
  • Built automated testing framework and interactive documentation using Selenium and Chai.
  • Developed responsive internal applications with Bootstrap and jQuery.
  • Created custom tools for automatic metric generation from database tables.
Lecturer and Teacher
University of Texas at Arlington
Taught workforce development courses on web and software development technologies.
  • Delivered instruction on HTML5/CSS3, database integration, Java server programming, and modern web standards.
  • Consistently received high student ratings for practical, hands-on teaching approach.
Projects
  • 26BEV: Real-Time Vulnerability Reporting: Designed automated ECDH Key Derivation service leveraging AWS KMS and Secrets Manager. Enabled secure encryption of vehicle logs for real-time vulnerability reporting without compromising long-term key integrity. Established security foundation for over-the-air diagnostics in 2026+ vehicle models.
  • Core Security & Infrastructure Libraries: Developed comprehensive OAuth 2.0 framework supporting PKCE, Authorization Code, and Client Credentials workflows. Engineered hot-swappable API Server supporting both REST and gRPC protocols. Created tiered caching middleware and core configuration stack reducing latency for cryptographic operations. Authored Golang cryptographic libraries for 2024 and 2021 vehicle model communications.
  • Plug and Charge (PnC): EV Payment System: Architected V2G Root Bundle Installer for secure provisioning of Root, Contract, and Provisioning certificates. Designed workflow persistence and resumption mechanisms guaranteeing transaction integrity during network interruptions. Engineered mTLS 1.3 server infrastructure and Go microservices using AWS SNS for secure enrollment. Built automated tooling for signed certificate chain management, drastically reducing manual operational effort.
  • TCAM: Trailer Camera Security: Developed secure boot service using Go microservices and AWS Lambda to validate firmware integrity. Implemented Microsoft Authenticode signing service within Linux Docker containers integrated with on-prem HSMs.
  • 24MM & 21MM: User Profile Data Protection: Architected scalable Crypto HSM PKCS11 proxy supporting multiple backends (Luna HSM and AWS CloudHSM). Designed microservices for cryptographic signing and encryption (AES, ECIES, RSA) of user profile data. Implemented support for ECDSA, HMAC, CMAC, RSA, and Ed25519 across cloud, native, and local environments.
Education
University of Texas at Arlington Jan 2013 — Dec 2016
B.S. in Computer Science - Computer Science Engineering
Skills and Tech
  • Languages & Frameworks: Golang, Python, Java, REST APIs, Microservices, gRPC.
  • Security & Cryptography: OAuth2, PKCE, mTLS, HSM, PKCS11, ECDH, ECDSA, RSA, AES, Ed25519, Certificate Management.
  • Cloud & Infrastructure: AWS, Lambda, KMS, Secret Manager, SNS, Terraform, Docker, Kubernetes, Serverless.
  • Tools & Practices: CI/CD, GitHub Actions, SonarQube, System Design, SQL, Git.