Daniel Sellergren
Senior Software Engineer at Safe Harbor
Richmond, Virginia, United States
Summary
👤
Senior🎓
Top SchoolDaniel Sellergren is a Senior Software Engineer and pragmatic people leader with 12 years of hands-on experience building full‑stack web products for fast-growing startups and enterprise teams. He blends backend expertise (Python/Django, Ruby/Rails) with modern front-end work (React) and cloud operations, and has led engineering teams through rapid scaling as Head of Engineering and Engineering Manager roles. Based in Richmond, VA, he’s known as “the glue” who fosters resilient team culture and cross-functional collaboration while staying deeply technical. Outside commercial roles he serves on nonprofit boards and organizes community efforts, reflecting a commitment to technology for social good. Despite a formal background spanning psychobiology, film and an M.S. in Computer Science, his career is defined by shipping reliable, user-focused systems and mentoring engineers into leaders.
12 years of coding experience
13 years of employment as a software developer
M.S. Computer Science, M.S. Computer Science at Virginia Commonwealth UniversityB.S. Psychobiology / Video-Film Production, B.S. Psychobiology / Video-Film Production at University of Miami
Stackoverflow
43reputation
7kreached
6answers
1question
Github Skills (54)
integrate10
rails10
react-rails10
opal10
webpacker10
asset-pipeline10
react10
jsx10
sprockets10
webpack9
ruby9
microphone9
semantics9
pipeline9
android9
Programming languages (10)
Github contributions (5)
hopin-team/retool-helm
Apr 2021 - Oct 2022
Contributions:5 reviews, 15 PRs, 5 pushes in 1 year 6 months
danielsellergren/danielsellergren
Oct 2020 - Feb 2023
Contributions:12 pushes, 1 branch in 2 years 4 months
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