Sheena O'connell
Co-Founder at PreludeTech
Gauteng, South Africa
Summary
👤
Senior🎓
Top SchoolSheena O'connell is a seasoned software engineer and founder with 11 years of experience building data pipelines, web platforms, and education technology. Based in Gauteng, South Africa, she has led technical teams and product architecture from startups to NGOs, including CTO work at Umuzi where she turned learning science into production-grade education systems and built a custom LMS during the COVID pivot. She co-founded PreludeTech to deliver expert-led software training and now co-leads BloomApp, combining hands-on engineering with education system design. Her background spans full-stack development, data engineering, devops and domain-specific tooling—from Airflow pipelines and containerised workers to UX for non-technical users. Known for shipping MVPs from scratch and mentoring across roles, she blends entrepreneurial grit with a deep focus on making complex systems accessible to learners and operators.
11 years of coding experience
14 years of employment as a software developer
Honours degree, Electrical and Electronics Engineering, Honours degree, Electrical and Electronics Engineering at University of the Witwatersrand
Github Skills (79)
python10
django-framework10
fundamentals10
javascript10
django10
tilde10
agile10
nodejs10
orm10
web-framework10
tetris9
scheduler8
djangocon8
django-blog8
logging8
Programming languages (9)
Github contributions (5)
sheenarbw/sheenarbw
Jul 2020 - Jan 2025
Contributions:6 pushes, 1 branch in 4 years 7 months
Umuzi-org/Tilde
Sep 2020 - Jan 2023
Open source agile, collaborative learning platform.
Contributions:746 reviews, 770 commits, 251 PRs in 2 years 4 months
collaborative-learninglearning-platformagilefundamentalscollaborative
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