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David MugambiDM
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David Mugambi

@davidmugambi

Full-stack engineer at Mugavi who built its QuickBooks Online integration and automated outreach pipeline.

Kenya
Message

At Mugavi, a B2B accounts receivable automation SaaS, I built the QuickBooks Online integration and debugged OAuth flows end to end.

I designed an automated outreach pipeline on Resend with deduplication and reply-pause logic, and ran a full codebase security audit that included patching plaintext token storage and an OAuth CSRF flaw.

At the State of Delaware, Department of Health and Social Services, I support the ERP system and work with facility providers on report submission and analysis. I also evaluate AI model outputs at Handshake AI and Outlier, and maintain and analyse maintenance management data at the University of Delaware.

Experience

Work history, roles, and key accomplishments

SS
Current

ERP System Specialist

State of Delaware, Department of Health and Social Services

Jan 2025 - Present (1 year 9 months)

Support the ERP system, working with facility providers on report submission and analysis. Keep surveyors updated on findings from facility reports and part of the testing team for a new system rollout.

HO
Current

Freelance AI Data Evaluator

Handshake AI and Outlier

Jan 2024 - Present (2 years 9 months)

Evaluate and score AI model outputs across code, document and multimodal tasks against structured rubrics. Write concise, evidence-based justifications for each rating.

MU
Current

Co-founder and Engineer

Mugavi

Built the QuickBooks Online integration and debugged OAuth flows end to end. Designed an automated outreach pipeline on Resend with deduplication, reply-pause logic and SPF/DKIM/DMARC email authentication, and ran a full codebase security audit.

PC

Underwriter / Branch Administrator and Claims Analyst

P&C insurance company

Jan 2018 - Dec 2024 (6 years 11 months)

Reviewed claim files against policy language, endorsements and exclusions. Calculated premiums from filed rate manuals and factor tables.

Education

Degrees, certifications, and relevant coursework

University of Delaware logoUD

University of Delaware

Master's, Business Analytics and Information Management

Pursuing a Master's degree in Business Analytics and Information Management.

Mount Kenya University logoMU

Mount Kenya University

Bachelor's, Actuarial Science

2018 - 2021

Completed a Bachelor's degree in Actuarial Science from 2018 to 2021.

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