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 (42)
rails10
react-rails10
ruby10
webpacker10
asset-pipeline10
react10
jsx10
sprockets10
maintainability9
react-native-voice9
android8
voice-recognition8
ios8
separation-of-concerns8
react-native8
Programming languages (11)
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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