Sean O'brien
Principal Software Engineer at NMDP
Minneapolis, Minnesota, United States
Summary
👤
Senior🎓
Top SchoolSean O'brien is a Principal Software Engineer based in Minneapolis with nine years of professional experience building mission-critical .NET systems, currently focused on virtual platforms that connect donors and patients at the National Marrow Donor Program. He has a long track record of architecting and delivering web and service-oriented solutions—spanning MVC, WCF, WF and WPF—across healthcare, insurance, and financial services. Sean combines hands-on engineering with systems-level design, having led integrations, configurable rating engines, and automation suites that reduced manual testing and accelerated delivery. His career includes both consulting and in-house leadership roles, giving him a pragmatic perspective on shipping reliable, auditable software in regulated domains. An early adopter of Microsoft server technologies, he pairs deep platform expertise with a mission-driven focus on building systems that save lives.
9 years of coding experience
23 years of employment as a software developer
Associate's degree Programming, Associate's degree Programming at Brown College
Github Skills (42)
state-management10
ai-agent9
chatgpt9
python9
llm9
memory-management9
ai9
application9
genai9
azure-pipelines-task7
algorithm6
pos5
point-of-sale5
debian-based4
bitcoin4
Programming languages (5)
Github contributions (5)
seanmobrien/mem0
Jun 2025 - May 2026
Memory for AI Agents; SOTA in AI Agent Memory; Announcing OpenMemory MCP - local and secure memory management.
Contributions:12 reviews, 138 PRs, 249 pushes in 11 months
seanmobrien/we-dont-need-no-education
Jan 2025 - Jul 2026
Contributions:116 reviews, 194 PRs, 580 pushes in 1 year 5 months
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