David R. Hedges' Résumé

Skills

Languages:
- C
- C++
- C#
- Java
- Python
- PHP
- SQL
- W3C-Standard XHTML and CSS
- XML
- JavaScript (ECMAScript)
- CGI
Programming:
- Multithreading
- network protocol design and implementation
- client/server socket programming
- inter-process communication (IPC)
- database design
- UML and ER diagrams
- Internet RFCs
- static and runtime leak analysis
- technical and non-technical documentation
- runtime debugging
- core dump and log analysis
Comp Sci.:
- Algorithm runtime and space complexity analysis
- object-oriented design
- formal languages and automata theory
- data mining
- buffer overflows
Software:
- Visual Studio/msbuild
- Eclipse (CDT, EE, Java)
- gdb/ddd
- gcc
- clang
- make
- grep/sed/awk/bash
- Windows CMD
- PowerShell
- git
- ClearCase
- Mercurial
- Atlassian JIRA
- WireShark
- VMware Server, ESXi
- VirtualBox
- QEMU/KVM
- MySQL
- PostgreSQL
- Oracle Database
- Apache
- Tomcat
- Splunk
- .NET Memory Profiler
Platforms:
- Linux (desktop and server; Debian, Ubuntu, RHEL/CentOS)
- Windows 7-10
- Windows Server 2008-2016
- Android (SDK, NDK)
Protocols:
- DNS
- DHCP
- HTTP
- FTP
- SMTP
- POP3
- 802.11
- 802.3
- TCP
- UDP
- XMPP
Process & Patterns:
- Publisher/subscriber
- SOA
- message bus
- MVC
- RAII
- singleton
- agile/scrum
- test-driven development
- scheduling, task estimation, decomposition

Work Experience

Multiple roles, via promotion
- (6.8y)
  June, 2014 – Present
- BIO-key International, Eagan, Minnesota
- Software Architect, Team Lead, Project Manager (2021–present) — Lead cross-product development initiatives (technical and project lead):
  - Design solution architecture (mobile, server, cloud), new software components, integration interfaces.
  - Plan and manage development schedule.
  - Manage and review development activities and team; plan testing of new software and integrations.
  - Evaluate potential partners/products for integration.
  - Identify risks, constraints, potential impacts, and mitigation strategies.
  - Manage communications with stakeholders, upper management, sales, etc.
  - Authored project management documents: SOW, project charter, etc.
- Senior Software Engineer (2014–2020) — Develop, enhance, and support customer-deliverable (shrink-wrap and custom) products for server, desktop, Android, and browser platforms. Created and currently run all development infrastructure.
  - Designed and developed next-generation object-oriented API/SDK for biometric identification and authentication systems. (C++)
  - Developed Java and Android libraries and apps to provide access to BIO-key's native biometric algorithms. (Android SDK+NDK; Java + JNI)
  - Substantially improved service to load nation-scale biometric data into high-performance indexed platform; eliminated resource leaks in app and managed/native interface for core library. (C#)
  - Designed and developed RESTful APIs, server, and administrative interface for client software and driver download/update. (Java, JAX-RS (via Jersey), JPA (Hibernate), JAXB (Jackson), JUnit, Maven)
  - Drove project management and schedule for 12-month customer project; architected solution, implemented server and reference client implementation; managed sprint planning, developers, customer communication.
  - DevOps: Proposed, implemented, and now support dev infrastructure including MediaWiki, Atlassian JIRA and Bitbucket (git), Jenkins CI, ProxMox. Manage IT infrastructure (e.g., AD, DHCP, DNS, SonicWall).
  - Automated builds; documented build process and dependencies; audited third-party component/license use.
  - Provided mentoring, code review, and feedback to team members.
  - Created, documented, and executed on-boarding process for new developers.
- C++; Java; C#; SQL; Tomcat; PowerShell; Android; Windows; linux; HTML/JS; git; JIRA; Bitbucket
Senior Software Engineer
- (2.8y)
  August, 2011 – May, 2014
- Thomson Reuters, Saint Paul/Eagan, Minnesota
- Back-end C/C++ development of DataScope Select product used by fund managers, etc, to analyze thousands of financial instruments at a time.
  - Designed, prototyped, and implemented message queuing-based replacement for old db-polling-based communication of core infrastructure to provide scalability and expandability for the next 5+ years of growth. (C++; ActiveMQ; protobuf)
  - Enhanced IPC, database use, and parallel processing to scale system to billions of instruments analyzed per month (delivered in time-sensitive bursts).
  - Spearheaded implementation and adoption of Splunk for rapid analysis of system status and problems; led training.
  - Contributed to strong test-driven development workflow/culture.
- C++; Python; SQL; Oracle; ActiveMQ; protobuf; Solaris; linux; Mercurial; JIRA; Splunk
Co-Owner, Webmaster, Server Administrator, Editor
- (18+y)
  October, 2001 – Present
- TechwareLabs.com (previously HardwarePub.com), Minneapolis, Minnesota
- - Wrote and enhanced server-side core infrastructure and administrative applications.
  - Analyzed site and server performance; implemented changes to handle growth.
  - Redesigned site graphics, layout, and code for increased efficiency and ease of use.
  - Configured and maintained business-critical Linux servers, daemons, backups.
  - Interviewed, hired, and managed new staff members for company growth and new ventures.
- LAMP; CSS/HTML/JS; WordPress; BIND9 DNS; Postfix
Senior Software Engineer
- (5.1y)
  August, 2006 – August, 2011
- Electronics for Imaging (EFI), Eagan, Minnesota
- - Led India team in implementing networked product integrations on my requirements, designs, specifications.
  - Independently implemented major sales-critical features on existing products in C, C++, ODBC/SQL, and proprietary APIs.
  - Analyzed and improved software performance and resource handling.
  - Isolated and resolved functional defects in pre-existing code reported by QA, tech support, and customers.
  - Wrote and documented utilities for automation of engineering tasks in python, bash, sed, awk, xml, etc.
  - Developed and successfully rolled out virtualization for improved development and testing efficiency.
- C; C++; Windows; Python; SQL; Siebel; Rational ClearCase; VMware
Technical Consultant, Network Administrator
- (4.5y)
  August, 2001 – January, 2006
- alwaysBEthere Wireless Communications, Minneapolis, Minnesota
- - Developed custom IT/wireless solutions for customer and internal use —
    - auto-connecting cellular (1xRTT) internet wifi router
    - reverse tunneling secure cellular web server.
  - Coded and maintained internal and external web sites as sales and marketing tools in W3C-compliant XHTML and CSS.
  - Maintained, upgraded and expanded network infrastructure to increase efficiency, stability, capacity.
  - Installed and configured Windows and Linux HTTP, DNS, email servers for internal and external use and client demos.
- Windows; linux; Apache; OpenSSH; Windows CMD; BIND9 DNS; Samba; Active Directory; BES

Skills

Work Experience

Education