0e19326bcb
Updated all resumes that list open source projects to consolidate testct and ctclient into a single bullet point since both are Certificate Transparency related tools with similar purposes (testing, validation, monitoring). Updated resumes: - paul-halvorsen-resume-detailed.md (main detailed resume) - stealth-startup/backend-developer/paul-halvorsen-resume.md - collette/software-engineer-ii/paul-halvorsen-resume.md - lemans/backend-software-engineer/paul-halvorsen-resume.md - tenstorrent/devrel-engineer/paul-halvorsen-resume.md Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
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name, keywords, left-column, right-column, fontsize, fontenc, urlcolor, linkcolor, numbersections
| name | keywords | left-column | right-column | fontsize | fontenc | urlcolor | linkcolor | numbersections | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Paul Halvorsen | full-stack, react, node.js, c#, microservices, docker, kubernetes, SQL server, API design, REST API |
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10pt | T1 | blue | magenta | false |
Professional Summary
Full-stack Software Engineer with 15+ years of experience designing and building scalable distributed systems, REST APIs, and database architectures. Proficient in both backend and frontend technologies with expertise in microservices patterns, cloud infrastructure (Docker, Kubernetes), and modern API design. Quick learner across multiple programming languages and frameworks with a proven track record of architecting systems serving millions of data points and hundreds of thousands of concurrent users.
Core Technical Skills
Backend: Microservices architecture, REST API design, Docker, Kubernetes, distributed systems, service-oriented architecture | Databases: MySQL, SQLite, SQL (relational design, indexing, optimization) | Frontend: JavaScript, React, TypeScript, Node.js | Languages: Python (Advanced), Rust, C, GoLang, Java | DevOps & Infrastructure: GitLab CI/CD, cloud-based infrastructure, automated testing | Practices: Test-driven development, code reviews, agile development
Professional Experience
Software Engineer | Abnormal AI
\resumedate{January 2026 – Present}
- Design and develop Python-based microservices for multi-region distributed systems (US East, US West, EU West)
- Build and maintain Docker containerized services and Kubernetes orchestration across 10+ clusters with auto-scaling capabilities
- Develop REST APIs and data aggregation services handling millions of data points at scale
- Implement performance optimizations and data pipeline orchestration improving efficiency by up to 70%
- Write comprehensive unit and integration tests; maintain high test coverage using pytest
- Collaborate with cross-functional team on microservices architecture, service design, and continuous integration pipelines
Sr Software Engineer | Binary Defense
\resumedate{April 2022 – October 2025}
- Architected and implemented Python backend libraries for cross-platform services (Windows, Linux, macOS)
- Designed and built REST APIs for secure communication between distributed client-server systems
- Optimized backend services achieving 60-80% improvements in memory and network efficiency through intelligent data processing
- Implemented encrypted database layers (SQLite) with secure key storage mechanisms
- Built comprehensive end-to-end testing frameworks and automated test suites
- Developed scalable services using event-driven architecture handling millions of events
- Maintained CI/CD pipelines for compilation, testing, and deployment across platforms
- Implemented security hardening including certificate transparency, key management, and secure protocols
Security Software Engineer | Parsons
\resumedate{April 2018 – November 2020}
- Designed and built back-end services supporting concurrent multi-user access with role-based access control
- Implemented REST APIs for file management with web interfaces and CLIs
- Managed relational databases (SQL Server, MySQL) with advanced indexing and optimization strategies
- Developed data deduplication logic and custom serialization protocols for network optimization
- Implemented LDAP integration for enterprise authentication systems
Security Software Engineer | NSA
\resumedate{November 2011 – April 2018}
- Designed and maintained relational databases (MySQL) holding thousands of records with complex queries and optimization
- Built REST JSON APIs for real-time data transfer between web interfaces and backend services
- Implemented query optimization and indexing strategies reducing latency by 50%+
- Developed full-stack web applications using JavaScript, JQuery, PHP, and Python on backend (Tomcat, Apache, Nginx)
- Designed dynamic user interfaces for data exploration and visualization
- Deployed backend systems serving thousands of concurrent users across distributed infrastructure
Software Developer | Salisbury University
\resumedate{November 2006 – May 2008}
- Built backend systems for risk assessment application with real-time data processing and reporting
- Designed database schemas and implemented data storage solutions
- Collaborated with Geographic Information Systems team on data integration
Education
Master of Science in Computer Science | University of Maryland Baltimore Campus (2013)
- Thesis: "Stateless Detection of Malicious Traffic: Emphasis on User Privacy"
Bachelor of Science in Computer Science | Salisbury University (2009)
- Graduated Magna Cum Laude
Certifications
- CompTIA Security+ (Expired 04/04/2024)
Open Source & Projects
- sjles-pta-vote (Go, TypeScript, React) - Full-stack community voting platform with React frontend and REST API backend
- baseball-nn (Python) - Machine learning project demonstrating data pipeline development
- testct & ctclient (Rust) - Certificate transparency testing, validation, and monitoring tools