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>
110 lines
6.1 KiB
Markdown
110 lines
6.1 KiB
Markdown
---
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name: Paul Halvorsen
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keywords: developer relations, tools, open source, full-stack, AI, Rust, Python, Go, CLI, dashboards, SDK, git, CI/CD, docker, kubernetes, REST API, testing
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left-column:
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- "Email: paul.halvorsen@pm.me"
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- "Phone: +1-410-236-4665"
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right-column:
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- "GitHub: github.com/malwhile"
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- "LinkedIn: linkedin.com/in/paul-halvorsen"
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- "Blog: flow.halvo.me"
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fontsize: 10pt
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fontenc: T1
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urlcolor: blue
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linkcolor: magenta
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numbersections: false
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---
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# Summary
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Software Engineer with 15+ years of experience building tools, platforms, and infrastructure that developers love. Passionate about creating intuitive developer experiences, from CLI utilities and SDKs to dashboards and REST APIs. Deep background in open-source practices, full-stack development, and infrastructure automation. Currently leveraging AI in daily development workflows. Experienced communicator who translates complex platform capabilities into accessible, understandable solutions for developer audiences.
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# Core Skills
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**Developer Tools & Frameworks:** CLI utilities, REST APIs, SDKs, dashboards, web interfaces, React, TypeScript
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**Languages:** Rust, Python, Go, C, JavaScript, Java
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**Infrastructure & DevOps:** Kubernetes, Docker, GitLab CI/CD, GitHub, Git, Linux (RHEL/Debian/Ubuntu)
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**Specialties:** Open-source development, cross-platform development, full-stack implementation, developer experience design, TDD, AI-augmented workflows
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# Work Experience
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## Abnormal AI
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**Software Engineer**: Jan 2026 - Present
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- Daily experience with AI-augmented development workflows (Claude) for code summarization, planning, and implementation
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- Design and maintain Kubernetes infrastructure (10+ clusters) supporting real-time data aggregation and long-term storage for customers across US, EU, and government sectors
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- Build Python and Go services with comprehensive testing; optimize for performance and scalability
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- Partner with engineering, product, and leadership across cross-functional teams in monorepo environment
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## Binary Defense
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**Sr Software Engineer**: April 2022 - Oct 2025
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- Architected and built cross-platform Rust libraries and SDKs for multi-platform security agent deployed to thousands of customer endpoints (Windows, Linux, macOS)
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- Designed comprehensive CI/CD pipeline infrastructure (GitLab): Docker containerization, VM testing, automated deployment, and contributed best-practices documentation
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- Created integration testing framework (Python) with automated VM provisioning, test execution, and environment teardown — enabling developers to test complex scenarios reliably
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- Wrote RFC and ADR documents to communicate architectural decisions to engineering and leadership teams
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- Delivered measurable performance improvements: 90% CPU reduction, 60% memory optimization, 80% network traffic decrease through filtering and algorithmic improvements
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## Kyrus Tech
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**Sr Software Engineer**: Nov 2020 - April 2022
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- Built multi-threaded communications libraries (C and Python) with REST API interface for complex network operations
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- Designed and implemented embedded tool for Android with minimal footprint using low-level networking (TCP/IP, ICMP, DNS)
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- Applied test-driven development practices across C, Python, and Docker environments with GitLab CI/CD
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## Parsons
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**Cyber Security Software Engineer**: Apr 2018 - Nov 2020
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- Built file storage service with REST API and web UI (Java, Tomcat, nginx, MySQL, LDAP, RBAC) for multi-user file management and search
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- Designed custom serialization format and API to minimize network traffic across constrained links
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- Implemented file deduplication and metadata indexing enabling efficient multi-user access and discovery
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## NSA
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**Security Software Engineer**: Nov 2011 - Apr 2018
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- Built full-stack developer platform used by RedTeam operators: frontend (JavaScript, JQuery), backend (PHP, Python), database (MySQL), and infrastructure (Apache, Tomcat, nginx)
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- Designed REST/JSON API and dynamic web UI providing real-time visibility into data, metrics, CVE lookups, and analytics — functionally an internal developer portal
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- Created comprehensive documentation: SOPs, operator guides, and onboarding materials that significantly reduced team ramp-up time
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- Trained new developers and operators, translating complex technical workflows into clear, understandable procedures
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- Presented tooling to security practitioners at RedBlue Conference; delivered vulnerability mitigation guidance to military and government customers
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- Maintained database of thousands of records with optimization and indexing for efficient queries
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**Systems Engineer**: Sept 2009 - Nov 2011
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- Maintained 130+ RHEL servers across 30+ systems; wrote Python automation scripts providing self-healing and reporting via Web API
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- Trained and supervised contractor team of 5 on operations procedures and tooling
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## Salisbury University
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**Software Developer**: Nov 2006 - May 2008
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- Built simplified UI and scenario builder for the Satellite Tool Kit (STK) — a tool making a complex aerospace simulation accessible to non-expert users; Managed C++
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- Presented at National Conference for Undergraduate Research (NCUR)
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- Funded through NASA/Wallops Flight Facility
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# Open Source & Personal Projects
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- **testct** & **ctclient** (Rust) — Certificate Transparency testing, validation, and monitoring tools
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- **sjles-pta-vote** (Go, TypeScript, React) — Full-stack community voting platform for school PTA; demonstrates end-to-end tool-building for developer/end-user experience
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- **baseball-nn** (Python) — Machine learning project with modern development practices
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# Education
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- **University of Maryland Baltimore Campus**: M.S. Computer Science, 2013
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- Thesis: "Stateless Detection of Malicious Traffic: Emphasis on User Privacy"
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- **Salisbury University**: B.S. Computer Science, Minor in Math, 2009 (Magna Cum Laude)
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# Speaking & Engagement
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- **RedBlue Conference**: Presented web security tooling to audience of security practitioners
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- **NCUR**: Presented STK scenario builder development at National Conference for Undergraduate Research
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- **Homelab**: Self-hosted open-source ecosystem (gitea, CI, DNS, storage, email, static sites on Proxmox)
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