John Jetmore
Senior Technologist at Green Filing, LLC
Richmond, Indiana, United States
Summary
👤
SeniorJohn Jetmore is a Senior Technologist with 20 years of hands-on experience extinguishing operational fires and turning the lessons learned into durable systems and monitoring. Based in Richmond, Indiana, he blends deep Linux/Unix server administration, IP network design, and system/network monitoring with pragmatic backend development and rapid skill acquisition. His career spans roles from site support to lead developer and product manager, giving him a rare full-stack operational perspective on reliability, tooling, and product lifecycle. An active contributor to the Exim mail transport agent ecosystem, he has improved mail-queue tooling like exipick—showing a practical focus on improving operational utilities that keep infrastructure running. Known for clear written and interpersonal communication, he consistently pairs quick incident response with long-term prevention through reimplementation and observability.
20 years of coding experience
21 years of employment as a software developer
Github Skills (10)
e-mail10
smtpd10
mta10
smtps10
perl10
smtp10
sendmail10
send-email10
c173
c113
Programming languages (6)
Github contributions (5)
Exim/exim
Jul 2005 - Jul 2010
Exim Mail Transport Agent - source, testsuite and documentation
Role in this project:
Backend Developer
Backend DeveloperContributions:36 commits in 5 years
Contributions summary:John primarily contributed to the Exim mail transport agent, modifying and updating the `exipick` utility. Their work involved adding new functionalities, fixing bugs, and updating version strings within the Perl script. The commits show the user's involvement in adapting `exipick` to support new features and address issues related to message processing and spool directory handling. These contributions align with maintaining and enhancing a utility used for mail queue inspection within Exim.
smtpmailagentmtagpl
jetmore/swaks
Jan 2009 - May 2022
Swaks - Swiss Army Knife for SMTP
Contributions:2 releases, 584 commits, 31 PRs in 13 years 6 months
smtpmailarmyperl5testing
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.