chighland@gmail.com

Adam Higerd

PROGRAMMING LANGUAGES

• Traditional: C/C++, Python, C#, Java, PHP, Objective-C
• Object-oriented programming, networking, systems design, user interfaces, cross-platform software, compiler development, web services, video game development, Unity3D
• Web: HTML, CSS, Javascript/TypeScript
• Web application development, responsive desktop/mobile sites, interactivity and animation, scalability, performance optimization, video game development
• Functional: LISP, Scheme, Racket
• Functional programming paradigm, provable software, AI/machine learning, algorithmic analysis
• Scripting: Lua, POSIX shell, Windows batch
• System administration, application extension, custom script/expression parsers and interpreters

OTHER SKILLS

• DevOps / automation
• Docker, CI/CD pipeline development, monitoring, load balancing
• Unit testing, functional testing, end-to-end/integration testing, Webdriver
• Security
• PCI-DSS 4.0 compliance, data encryption, authentication, reverse-engineering
• Technical writing and documentation
• API documentation, end-user instructions, project design/requirements documents
• Database administration
• Database architecture, implementation (including SQL and NoSQL), maintenance
• Postgres, Redis, GraphQL, MySQL, SQLite, Oracle, MS Access, MongoDB, LMDB
• System administration
• Linux (Gentoo, Red Hat, Debian/Ubuntu, Arch), macOS, Windows, remote administration
• Networking
• TCP/UDP, SSL/TLS, network configuration, firewalls, proxy server development, VPNs
• User interfaces
• HTML5, Qt, JUCE, GTK, X11 / xcb, iOS, Tk
• Strong focus in usability, accessibility, and internationalization
• Music and audio
• MIDI, waveform synthesis, VST and Audio Unit plugin development, digital signal processing
• Project management
• Technical team leadership, planning and documentation, kanban, scrum, Agile

EXPERIENCE

• Built OpenVPN frontend for Linux with support for Yubikey 2FA and WEB_AUTH
• Took over maintainership of 2sf software to play Nintendo DS music tracks
• Contributed library, networking, and scripting functionality to mGBA emulator
• Built modular synthesis library for building sequenced audio players
• Built music players for Beatmania, Pop'n Music, Gitadora, Game Boy Advance, and other formats
• Built home streaming media server, compatible with Subsonic and MPD, with web interface
• Built CLAP and VST instrument plugins
• Reverse-engineered and implemented decoder for Windows Media Audio format
• Reverse-engineered and implemented playback tools for Procyon Digital Sound Elements
• Built CRUDE desktop environment for X11
• Built music notation editor for MIDI files
• Built multiplayer koi-koi hanafuda game service in Python and HTML5
• Built scripting language for developing on embedded hardware
• Created video games in 16 Ludum Dare game jam events
• Developed and maintained ABoard forum software, formerly used on two sites

• Architected, implemented, and maintained Academy travel booking software for Walmart
• Mostly solo developer, handled thousands of travel bookings per month
• Technical lead for Policy and Algorithm team
• Maintained and expanded patent-pending system for evaluating and scoring travel options
• Maintained and expanded enforcement system for customers' company travel policies
• Built and maintained policy-based notification system for managers
• Developed machine-learning model to analyze quality of hotels
• Overhauled user permission handling to support highly-managed use cases
• Led a team to build a travel security alert notification system
• Designed and built payment information integration systems compliant with PCI-DSS 4.0

• Developed MoovCheckout software for ecommerce sites
• Designed and built architecture to interface with existing websites
• Designed and built system to present unified interfaces on top of diverse underlying platforms
• Led and managed a team of engineers
• Helped maintain software unit and interaction test suites, including WebDriver

• Developed and maintained features and functionality for the AdSense video ad interface
• Implemented and maintained server-side support for AdSense video ads
• Analyzed data collected during user interface experiments
• Maintained automated testing coverage for frontend and server-side software
• Wrote a design document for, implemented, deployed, and analyzed statistics for new video ad format

• Architected and developed web crawler to collect information about performances and events
• Worked with one of the top 1000 most popular websites to construct their redesigned site

• Designed and developed interlingual communications software for desktop or embedded hardware
• Designed and developed server software and database
• Designed and developed cross-platform database editor for desktop hardware

• Maintained, modified, and enhanced vBulletin forum software for Trisphee
• Designed visual language and implemented styling for site
• Rewrote, upgraded, and maintained avatar editor and shop system
• Built image processing tools for creating assets
• Developed and maintained inventory manager, trade system, and donation processing system
• Developed interactive battle system for site-wide event
• Performed system administration tasks such as configuration and maintenance of virtual private server
• Designed and implemented online games, including Crystal Caverns of Kalin / Gravity Runner
• Trained and supervised intern developers

• Organized and managed an open-source project with an international team of developers
• Designed and developed a variety of cross-platform Qt tools
• Designed and developed a framework to transmit and receive Qt signals over a network
• Designed and developed an asynchronous web server using only cross-platform Qt

• Developed music sampling plugin using VST, Audio Unit, and RTAS plugin interfaces
• Developed editing tools for assembling samples and effects into professional instruments
• Developed user interfaces according to artist's designs
• Developed integration of Python-language scripts into an audio system
• Developed integration of Lua-language scripts into a UI system

• Rewrote nicalis.com website from Flash to HTML, CSS, and Javascript
• Implemented unpublished ballistics game in HTML/CSS/JS

• Developed TimeIPS time and attendance software using PHP and MySQL
• Developed client terminals for TimeIPS on embedded hardware using C++, Qt, Python, and GTK
• Designed and developed timed event scheduler for TimeIPS using C++, STL, and embedded Python
• Designed and developed customer relations management software with telephone integration
• Developed kernel drivers for custom-built audio hardware

• Entered names and mailing addresses in a database
• Helped develop customer relations management software around user feedback
• Created and maintained website www.gregfewinagency.com

• Installed and maintained network workstations
• Provided technical support for school computers

EDUCATION AND AWARDS

• National Merit Finalist

• College of Engineering, BS in Computer Science. Graduated Dec 2004.
• Listed on College of Engineering Dean's Honor Roll

PORTFOLIO

• https://bitbucket.org/ahigerd/workspace/repositories/