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I am Norman Jefferies III, a solution-driven Principal Software Developer with extensive expertise in systems and applications design, development, and management. I excel at leading cross-functional teams and delivering robust software solutions in dynamic environments. I build strong relationships with stakeholders at all levels, optimize technical processes, and foster a collaborative, positive work culture that drives organizational growth and impactful outcomes.…I am Norman Jefferies III, a solution-driven Principal Software Developer with extensive expertise in systems and applications design, development, and management. I excel at leading cross-functional teams and delivering robust software solutions in dynamic environments. I build strong relationships with stakeholders at all levels, optimize technical processes, and foster a collaborative, positive work culture that drives organizational growth and impactful outcomes.

Norman Jefferies III

Full Stack Developer, Back-End Developer, Web Developer, +2

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I am Norman Jefferies III, a solution-driven Principal Software Developer with extensive expertise in systems and applications design, development, and management. I excel at leading cross-functional teams and delivering robust software solutions in dynamic environments. I build strong relationships with stakeholders at all levels, optimize technical processes, and foster a collaborative, positive work culture that drives organizational growth and impactful outcomes.…I am Norman Jefferies III, a solution-driven Principal Software Developer with extensive expertise in systems and applications design, development, and management. I excel at leading cross-functional teams and delivering robust software solutions in dynamic environments. I build strong relationships with stakeholders at all levels, optimize technical processes, and foster a collaborative, positive work culture that drives organizational growth and impactful outcomes.

Available to hire

I am Norman Jefferies III, a solution-driven Principal Software Developer with extensive expertise in systems and applications design, development, and management. I excel at leading cross-functional teams and delivering robust software solutions in dynamic environments.

I build strong relationships with stakeholders at all levels, optimize technical processes, and foster a collaborative, positive work culture that drives organizational growth and impactful outcomes.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Part-Time Senior Software Developer at L J Engineering

April 1, 2024 - November 21, 2025

Continued remote development on handheld graphing data analyzer using embedded Rust with SDL2 GUI; continued Go development for internet web ordering system.

Principal Software Developer at L J Engineering

November 1, 2023 - November 1, 2023

Spearheaded enhancement of a handheld graphical device (ARM SBC Linux) using C++, Rust, Qt, and QML; delivered real-time data presentation and improved operational efficiency. Directed the development of a public-facing Go-based website to boost online presence and customer engagement.

Senior Software Developer - Team Leader at Intellisense Systems

December 1, 2022 - December 1, 2022

Architected and refactored a scalable Rust-based SaaS/IoT platform for managing Micro Weather Stations; transitioned infrastructure to AWS EC2 Linux servers; designed and implemented a Go IoT-based flood monitoring system; delivered sales and customer field support.

Principal Software Developer – Architect - Manager at Chargie, LLC

January 1, 2022 - January 1, 2022

Designed a Rust-based SaaS and IoT distributed platform for EV charging; integrated Level 2 and Level 3 chargers using OCPP 1.16 and 1.20.1 over WebSockets; built autonomous redundant network solutions with Wi-Fi/LTE; developed a Go API server and admin tooling; provided on-site installation services and remote system management capabilities.

Principal Software Developer at L J Engineering

August 1, 2019 - August 1, 2019

Architected and coded embedded C++/Rust interfaces for sensor products; created a handheld graphical device (ARM SBC) using Qt/QML for monitoring digital and analog inputs; launched a new company website.

Freelance Principal Software Developer at Freelance Consulting

August 1, 2017 - August 1, 2017

Provided software architecture, development, and management for multiple SF startups; built user-friendly web publishing/production platforms; developed secure eCommerce frameworks; implemented robust backend systems with big data reporting.

Senior Software Developer - Technical Director at University of California at San Francisco

June 1, 2006 - June 1, 2006

Transformed hivinsite.ucsf.edu from PHP to Java; designed chi.ucsf.edu as a central hub; developed a streamlined CMS; oversaw technical staff and hardware resources.

Principal Software Developer at Frontier Global Center

April 1, 2000 - April 1, 2000

Created telephone switching software for new switching equipment and developed modem software management for internet connections using Erlang.