Jim Jeffers
Software Engineer at Sumo Creations, LLC
Portland, Oregon, United States
Summary
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SeniorJim Jeffers is a seasoned technology leader and CTO with 20+ years of software engineering spanning full-stack development and distributed team leadership. As Chief Technology Officer at eDNA Explorer since 2024, he guides a fully remote team building cloud-native bioinformatics pipelines that translate raw environmental DNA into geospatial insights on GCP and AWS. A founder and longtime consultant, he built Sumo Creations and delivered high-impact web and data platforms for clients in health, finance, robotics, and climate. His technical blend covers front-end to back-end, with proficiency in React, Node, Rails, and Python, and a track record of shipping reliable, scalable systems. He weaves design thinking and business acumen from degrees at ASU, University of Queensland, and D School Potsdam to turn complex problems into usable, auditable solutions. Based in Lake Oswego, Oregon, he combines entrepreneurial drive with a passion for conservation tech and geospatial data.
17 years of coding experience
Github Skills (200)
storybook10
ui-components10
identity10
testing10
authentication10
ember10
isolation10
oauth-210
doorkeeper10
javascript10
html10
angular10
oauth210
storybook-addon10
typescript10
Programming languages (12)
Github contributions (5)
jimjeffers/redux-jwt-protected-middleware
Jun 2017 - Jul 2020
A redux middleware that fetches and injects a JWT to a pending fetch request.
Contributions:99 commits, 2 PRs, 56 pushes in 3 years 1 month
redux-middlewarefetch-requestfetchesreduxrequest
jimjeffers/aqi-calc
Aug 2017 - Jun 2019
Perform Air Quality Index Calculations
Contributions:58 commits, 16 pushes, 1 branch in 1 year 10 months
calculationsindexair-quality-indexair-qualityair
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