Randy Pensinger - Software Engineer
Not interested in job opportunities.
Objective
Holistic software engineering.
Primary Skills
- Cross-team system architecture — design, guidance, and incident response across ad serving, reporting, identity, integrations, and ML infrastructure
- Applied AI — LLM integration, AI workflow design, AI adoption strategy
- Team leadership — coaching, mentoring, building engineer autonomy
- Rapid application development — hands-on IC and project lead
- Database design, modeling, and migration
- Event tracking, reporting, and invoicing systems
- Incident response, debugging, performance tuning
- Code quality and design — test-driven development, code review, architectural patterns
- Product thinking — requirements distillation, MVP scoping, business-context-driven engineering
- Technical communication — teaching frameworks, documentation, cross-functional alignment
- Python, SQL, Perl, JavaScript/React, HTML/CSS, Java
Secondary Skills
- Authentication architecture (OIDC, OAuth)
- AWS infrastructure (Fargate, deployment pipelines)
- Build engineering, CI/CD
- React SPA development
Work History
MediaAlpha - Vertical Search Lead Exchange
Senior Principal Software Engineer ← Tech Team Lead ← Senior Software Engineer: March 2016 – Present
Cross-team individual contributor and project guide across the full stack, with direct leadership of the ML/AI engineering team.
- ML/AI Team Leadership (2022–present). Lead ML engineering team — coaching, architecture guidance, technical direction. Own ML infrastructure and operational excellence including model serving and training pipelines. Launched a cross-functional working group aligning product and engineering on applied AI opportunities. Authored internal frameworks shaping how the engineering organization approaches AI-assisted development.
- Identity & Authentication. Designed and led an OIDC identity provider integration — API, UI, and data model across teams. Leading a major overhaul of internal identity systems.
- Event Tracking, Reporting & Invoicing. Deep ownership of the core reporting platform — architecture, performance optimization, summary table design, data integrity, and pipeline reliability. Revenue alerting and monitoring. Cross-team reporting support.
- API Design & R&D. Designed and built an internal GraphQL API from proof-of-concept to production application. Prototyped distributed locking systems, AI-assisted tooling, and bidding signal tools.
- Database Design & Modeling. Schema design and migration across systems — PII management, storage optimization, table architecture, and cross-vertical data cleanup.
- Cross-Team Architecture & Incident Response. Architectural guidance spanning ad serving, reporting, exchange platform, integrations, and security. Led response to revenue-impacting production incidents. Proactive system-wide troubleshooting and triage.
- Foundation (2016–2022). Hands-on architectural improvements to the exchange SPA, ad serving, reporting, data privacy, and client integrations. Assisted with M&A technical due diligence. VPC migration and build engineering.
Porch.com - Home Improvement Marketplace
Senior Software Engineer: September 2013 – January 2015
Co-authored Managed Data service (Master data management), Published data service (Aggregates, Search indices, related denormalizations). SQL migrations and query tuning. Optimized landing page performance, search page performance. Assisted in VPC migration, Build & Release engineering, Dev-ops and pager duty.
Opera Solutions - Predictive Analytics
Senior Software Engineer: December 2011 – August 2013
Assisted development and usage of GLM, Restricted-Boltzmann, K-Means. Assisted in model creation optimizations. Authored Calculation log, Model summary UI, Model drift detection tools.
Gaikai - Video Game Streaming Startup
Software Engineer: August 2011 - December 2011
Implemented client-facing game/server availability API for YouTube launch.
SpeedTax - Sales Tax S.A.S.
Software Engineer: December 2009 – July 2011
Developed tax calculation API and tax return generation. Authored streamlined sales tax integration. Authored in-house sales tax jurisdiction resolution. Re-wrote web console. Briefly lead team during leadership transition.
Education
Stanford University, BS Computer Science Graduated: June 14 2009 GPA: 3.337