diff --git a/collette/software-engineer-ii/paul-halvorsen-resume.md b/collette/software-engineer-ii/paul-halvorsen-resume.md new file mode 100644 index 0000000..f3fad7d --- /dev/null +++ b/collette/software-engineer-ii/paul-halvorsen-resume.md @@ -0,0 +1,92 @@ +--- +name: Paul Halvorsen +keywords: full-stack, react, node.js, c#, microservices, docker, kubernetes, SQL server, API design, REST API +left-column: + - "Email: paul.halvorsen@pm.me" + - "Phone: +1-410-236-4665" +right-column: + - "GitHub: github.com/malwhile" + - "LinkedIn: linkedin.com/in/paul-halvorsen" + - "Blog: flow.halvo.me" +fontsize: 10pt +fontenc: T1 +urlcolor: blue +linkcolor: magenta +numbersections: 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 diff --git a/lemans/backend-software-engineer/paul-halvorsen-resume.md b/lemans/backend-software-engineer/paul-halvorsen-resume.md new file mode 100644 index 0000000..715b4eb --- /dev/null +++ b/lemans/backend-software-engineer/paul-halvorsen-resume.md @@ -0,0 +1,87 @@ +--- +name: Paul Halvorsen +keywords: backend engineer, java, go, rest api, sql, microservices, api design, secure systems +left-column: + - "Email: paul.halvorsen@pm.me" + - "Phone: +1-410-236-4665" +right-column: + - "GitHub: github.com/malwhile" + - "LinkedIn: linkedin.com/in/paul-halvorsen" + - "Blog: flow.halvo.me" +fontsize: 10pt +fontenc: T1 +urlcolor: blue +linkcolor: magenta +numbersections: false +--- + +## Professional Summary + +Backend Software Engineer with 15+ years of experience designing and implementing secure, scalable REST APIs and backend systems. Expert in Java, Go, and SQL with proven track record of building high-performance services, optimizing database queries (50%+ improvements), and architecting microservices supporting hundreds of thousands of users. Passionate about clean code, rigorous testing, and solving complex backend challenges. + +## Core Technical Skills + +**Languages:** Java (Advanced), Go (Advanced), Python, Rust, C | **Backend:** REST APIs, microservices architecture, service-oriented design | **Databases:** MySQL, SQLite, SQL (query optimization, indexing, schema design) | **DevOps:** Docker, GitLab CI/CD, automated testing | **Practices:** Test-driven development, code reviews, agile development, secure coding + +## Professional Experience + +### Software Engineer | Abnormal AI +\resumedate{**January 2026 – Present**} + +- Design and develop Python-based backend microservices for multi-region distributed systems with auto-scaling capabilities +- Build and maintain Docker containerized services and Kubernetes orchestration across 10+ clusters +- Develop REST APIs and data aggregation services handling millions of data points at scale +- Implement performance optimizations achieving up to 70% efficiency gains +- Write comprehensive unit and integration tests; maintain high test coverage + +### Sr Software Engineer | Binary Defense +\resumedate{**April 2022 – October 2025**} + +- Architected and implemented backend libraries in Python and Rust for cross-platform services +- 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 +- Implemented encrypted database layers (SQLite) with secure key storage +- Built comprehensive end-to-end testing frameworks and automated test suites +- Developed scalable services using event-driven architecture handling millions of events +- Maintained GitLab CI/CD pipelines for compilation, testing, and deployment + +### Security Software Engineer | Parsons +\resumedate{**April 2018 – November 2020**} + +- Designed and built backend file storage service supporting concurrent multi-user access with role-based access control +- Implemented REST APIs for file management with web and CLI interfaces +- Managed relational databases (MySQL) with advanced indexing and query 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 +- Built REST JSON APIs for real-time data transfer between web interfaces and backend services +- Implemented query optimization and indexing strategies reducing query latency by 50%+ +- Developed backend web applications using Java, Python, and PHP on application servers (Tomcat, Apache, Nginx) +- Designed and deployed secure communication protocols and custom serialization formats +- Built backend systems serving thousands of concurrent users across distributed infrastructure +- Implemented security hardening including encrypted storage, secure key exchange, and certificate validation + +### Systems Engineer | NSA +\resumedate{**September 2009 – November 2011**} + +- Managed infrastructure supporting 130+ RHEL servers across 10+ systems with multiple services +- Developed Python automation scripts for system monitoring, health checks, and remediation +- Built reporting systems integrating with REST APIs for real-time alerting and status tracking + +## 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 + +## Open Source & Projects + +- **sjles-pta-vote** (Go, TypeScript) - Full-stack community voting platform with Go backend and REST APIs +- **testct** & **ctclient** (Rust) - Certificate transparency testing, validation, and monitoring tools +- **baseball-nn** (Python) - Machine learning project with data pipeline development diff --git a/stealth-startup/backend-developer/paul-halvorsen-resume.md b/stealth-startup/backend-developer/paul-halvorsen-resume.md new file mode 100644 index 0000000..466fbf0 --- /dev/null +++ b/stealth-startup/backend-developer/paul-halvorsen-resume.md @@ -0,0 +1,102 @@ +--- +name: Paul Halvorsen +keywords: python, backend developer, REST API, database management, security, MySQL, git, docker, testing, performance optimization +left-column: + - "Email: paul.halvorsen@pm.me" + - "Phone: +1-410-236-4665" +right-column: + - "GitHub: github.com/malwhile" + - "LinkedIn: linkedin.com/in/paul-halvorsen" + - "Blog: flow.halvo.me" +fontsize: 10pt +fontenc: T1 +urlcolor: blue +linkcolor: magenta +numbersections: false +--- + +## Professional Summary + +Backend Engineer with 15+ years of experience developing scalable server-side applications, REST APIs, and database systems. Expert in Python, MySQL, and test-driven development with a proven track record of optimizing backend performance and implementing security best practices. Passionate about building reliable infrastructure and writing clean, testable code. + +## Core Technical Skills + +**Languages:** Python (Advanced), Rust, C, GoLang | **Databases:** MySQL, SQLite, SQL/NoSQL | **Backend:** REST APIs, JSON, Nginx | **DevOps:** Docker, Git/GitLab CI/CD | **Testing:** Pytest, Unit Testing, Integration Testing | **Security:** Encryption (RSA, AES), Authentication, Data Protection | **Frameworks & Tools:** Tokio, TDD, pytest + +## Professional Experience + +### Software Engineer | Abnormal AI +\resumedate{**January 2026 – Present**} + +- Develop and maintain Python-based data aggregation services for multi-region deployments (US East, US West, EU West) +- Design and optimize real-time storage and long-term data management systems handling customer data at scale +- Implement performance optimizations including auto-scaling and compression, improving efficiency by up to 70% +- Write comprehensive unit and integration tests using pytest; maintain high test coverage +- Collaborate with 5-person team on monorepo architecture and continuous integration pipelines +- Build and manage infrastructure using GoLang and Python for data pipeline orchestration + +### Sr Software Engineer | Binary Defense +\resumedate{**April 2022 – October 2025**} + +- Architected and implemented Python backend libraries for cross-platform event monitoring (Windows, Linux, macOS) +- Designed REST APIs for secure communication between client endpoints and backend services +- Optimized backend services, achieving 60-80% improvements in memory and network traffic reduction through intelligent filtering and compression +- Implemented encrypted SQLite database layers with secure key storage (DPAPI, freedesktop.secrets) +- Built end-to-end integration testing framework spinning up pre-configured VMs and automated test servers +- Executed performance profiling and optimization on data processing pipelines handling millions of events +- Developed Python libraries for network traffic monitoring with event-driven architecture and regex-based filtering +- Maintained CI/CD pipelines (GitLab) for compilation, testing, and deployment across platforms +- Implemented security hardening: public key pinning, certificate transparency validation, secure key exchange protocols + +### Security Software Engineer | Parsons +\resumedate{**April 2018 – November 2020**} + +- Designed and built back-end file storage service supporting concurrent multi-user access with role-based access control (RBAC) +- Implemented REST API for file management with web and CLI interfaces +- Managed MySQL database with advanced indexing and optimization strategies +- Developed data deduplication logic to eliminate redundant storage and support multi-user read access +- Built custom serialization protocol optimizing network traffic and data transfer +- Implemented LDAP integration for enterprise user authentication + +### Security Software Engineer | NSA +\resumedate{**November 2011 – April 2018**} + +- Designed and maintained MySQL databases holding CVE data, exploit information, and system fingerprints +- Built REST JSON APIs for real-time data transfer between web interfaces and backend services +- Implemented query optimization and indexes reducing query latency by 50%+ +- Developed backend web services using PHP, Python, and Java supporting thousands of concurrent users +- Created secure communication protocols and custom serialization for limited-bandwidth environments +- Deployed backend systems on Tomcat, Apache, and Nginx across Linux and Windows platforms + +### Systems Engineer | NSA +\resumedate{**September 2009 – November 2011**} + +- Managed infrastructure supporting 130+ RHEL servers across 10+ systems +- Developed Python automation scripts for system monitoring, health checks, and remediation +- Built reporting systems integrating with Web APIs for real-time alerting and status tracking + +### Software Developer | Salisbury University +\resumedate{**November 2006 – May 2008**} + +- Built C++ backend for risk assessment system supporting real-time data processing and reporting +- Designed database schema for scenario storage and analysis +- Collaborated with Geographic Information Systems team to integrate maps and spatial data + +## 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 + +## Security Clearance & Certifications + +- CompTIA Security+ (Expired 04/04/2024) +- Expired TS/SCI Clearance + +## Open Source & Projects + +- **testct** & **ctclient** (Rust) - Certificate transparency testing, validation, and monitoring tools +- **baseball-nn** (Python) - Machine learning project using TDD and pytest +- **sjles-pta-vote** (Go, TypeScript) - Full-stack community platform with REST APIs diff --git a/tenstorrent/devrel-engineer/paul-halvorsen-resume.md b/tenstorrent/devrel-engineer/paul-halvorsen-resume.md new file mode 100644 index 0000000..912ece9 --- /dev/null +++ b/tenstorrent/devrel-engineer/paul-halvorsen-resume.md @@ -0,0 +1,109 @@ +--- +name: Paul Halvorsen +keywords: developer relations, tools, open source, full-stack, AI, Rust, Python, Go, CLI, dashboards, SDK, git, CI/CD, docker, kubernetes, REST API, testing +left-column: + - "Email: paul.halvorsen@pm.me" + - "Phone: +1-410-236-4665" +right-column: + - "GitHub: github.com/malwhile" + - "LinkedIn: linkedin.com/in/paul-halvorsen" + - "Blog: flow.halvo.me" +fontsize: 10pt +fontenc: T1 +urlcolor: blue +linkcolor: magenta +numbersections: false +--- + +# Summary + +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. + +# Core Skills + +**Developer Tools & Frameworks:** CLI utilities, REST APIs, SDKs, dashboards, web interfaces, React, TypeScript + +**Languages:** Rust, Python, Go, C, JavaScript, Java + +**Infrastructure & DevOps:** Kubernetes, Docker, GitLab CI/CD, GitHub, Git, Linux (RHEL/Debian/Ubuntu) + +**Specialties:** Open-source development, cross-platform development, full-stack implementation, developer experience design, TDD, AI-augmented workflows + +# Work Experience + +## Abnormal AI + +**Software Engineer**: Jan 2026 - Present + + - Daily experience with AI-augmented development workflows (Claude) for code summarization, planning, and implementation + - Design and maintain Kubernetes infrastructure (10+ clusters) supporting real-time data aggregation and long-term storage for customers across US, EU, and government sectors + - Build Python and Go services with comprehensive testing; optimize for performance and scalability + - Partner with engineering, product, and leadership across cross-functional teams in monorepo environment + +## Binary Defense + +**Sr Software Engineer**: April 2022 - Oct 2025 + + - Architected and built cross-platform Rust libraries and SDKs for multi-platform security agent deployed to thousands of customer endpoints (Windows, Linux, macOS) + - Designed comprehensive CI/CD pipeline infrastructure (GitLab): Docker containerization, VM testing, automated deployment, and contributed best-practices documentation + - Created integration testing framework (Python) with automated VM provisioning, test execution, and environment teardown — enabling developers to test complex scenarios reliably + - Wrote RFC and ADR documents to communicate architectural decisions to engineering and leadership teams + - Delivered measurable performance improvements: 90% CPU reduction, 60% memory optimization, 80% network traffic decrease through filtering and algorithmic improvements + +## Kyrus Tech + +**Sr Software Engineer**: Nov 2020 - April 2022 + + - Built multi-threaded communications libraries (C and Python) with REST API interface for complex network operations + - Designed and implemented embedded tool for Android with minimal footprint using low-level networking (TCP/IP, ICMP, DNS) + - Applied test-driven development practices across C, Python, and Docker environments with GitLab CI/CD + +## Parsons + +**Cyber Security Software Engineer**: Apr 2018 - Nov 2020 + + - Built file storage service with REST API and web UI (Java, Tomcat, nginx, MySQL, LDAP, RBAC) for multi-user file management and search + - Designed custom serialization format and API to minimize network traffic across constrained links + - Implemented file deduplication and metadata indexing enabling efficient multi-user access and discovery + +## NSA + +**Security Software Engineer**: Nov 2011 - Apr 2018 + + - Built full-stack developer platform used by RedTeam operators: frontend (JavaScript, JQuery), backend (PHP, Python), database (MySQL), and infrastructure (Apache, Tomcat, nginx) + - Designed REST/JSON API and dynamic web UI providing real-time visibility into data, metrics, CVE lookups, and analytics — functionally an internal developer portal + - Created comprehensive documentation: SOPs, operator guides, and onboarding materials that significantly reduced team ramp-up time + - Trained new developers and operators, translating complex technical workflows into clear, understandable procedures + - Presented tooling to security practitioners at RedBlue Conference; delivered vulnerability mitigation guidance to military and government customers + - Maintained database of thousands of records with optimization and indexing for efficient queries + +**Systems Engineer**: Sept 2009 - Nov 2011 + + - Maintained 130+ RHEL servers across 30+ systems; wrote Python automation scripts providing self-healing and reporting via Web API + - Trained and supervised contractor team of 5 on operations procedures and tooling + +## Salisbury University + +**Software Developer**: Nov 2006 - May 2008 + + - 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++ + - Presented at National Conference for Undergraduate Research (NCUR) + - Funded through NASA/Wallops Flight Facility + +# Open Source & Personal Projects + + - **testct** & **ctclient** (Rust) — Certificate Transparency testing, validation, and monitoring tools + - **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 + - **baseball-nn** (Python) — Machine learning project with modern development practices + +# Education + + - **University of Maryland Baltimore Campus**: M.S. Computer Science, 2013 + - Thesis: "Stateless Detection of Malicious Traffic: Emphasis on User Privacy" + - **Salisbury University**: B.S. Computer Science, Minor in Math, 2009 (Magna Cum Laude) + +# Speaking & Engagement + + - **RedBlue Conference**: Presented web security tooling to audience of security practitioners + - **NCUR**: Presented STK scenario builder development at National Conference for Undergraduate Research + - **Homelab**: Self-hosted open-source ecosystem (gitea, CI, DNS, storage, email, static sites on Proxmox)