j
john_r_epperson

John Epperson

@john_r_epperson

Senior Rails and Flutter Engineer, Audits, Rescues, Bug Fixes

Vereinigte Staaten
Englisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
Senior Rails (since 2008) and Flutter mobile (since 2019) engineer. 19 years full-stack. Rails: 2-year embedded engineer at Nasdaq Private Market, 9+ year ERP maintenance through Rails 3 to 7 with zero downtime. Flutter: 7+ years on a real estate app with hundreds of DAU, including the React Native to Flutter migration that cut bug resolution from months to days. Fixed scope, fixed price, specific deliverable per gig. If scope grows, I tell you day one and we rescope. Former Ruby Rogues podcast co-host. Charlotte Devs founder. Shiplane OSS maintainer.... Mehr lesen

Kompetenzen

j
john_r_epperson
John Epperson
offline • 

Meine Dienstleistungen

Hilfe / Beratung
I will audit your rails app and deliver a prioritized fix report
Ab150 $ / ProjektWeitere Details
Fehlerbehebung
I will fix 3 bugs in your ruby on rails codebase
Ab100 $ / ProjektWeitere Details

Portfolio

Arbeitserfahrung

Self-Employed_/ Freelancer

Senior Rails and Flutter Consultant @ Rock Agile

Self-Employed / Freelancer • Selbstständig

Jan 2017 - Present • 9 yrs 10 mos

Senior Rails and Flutter engineering for small-to-mid teams. Rescue work, audits, major version upgrades, long-term maintenance.

Nasdaq

Senior Rails Engineer (Embedded)

Nasdaq • Freiberufler

Oct 2020 - Aug 2022 • 1 yr 10 mos

Two-year embedded engagement on a high-availability financial platform serving institutional investors. Led a StimulusJS modernization initiative replacing years of fragmented legacy JavaScript with reusable components.

Senior Engineer / Team Lead

N2 Publishing • Vollzeit

Sep 2016 - Jun 2019 • 2 yrs 9 mos

Led a 4-person engineering team. Founded the intern and mentorship programs.