Zachary Bentsen
Work Experience
Jul 2025 - Present
- Built and Launched a production web app to enable open source membership information sharing.
- Designed REST API to <100 ms p95 (C#/.NET 9, EF Core, PostgreSQL, Docker).
- Implemented custom token auth with layered encryption/hashing and server-rotated refresh tokens; seamless multi-window sessions (JWT, HttpOnly/SameSite).
- Built tiered search (exact title → Levenshtein-fuzzy → description) with autocomplete and cursor-based infinite scroll (Postgres FTS, pg_trgm).
- Created a consistent, scalable MUI design system with a no-reload light/dark mode for rapid, on-brand development (React, TypeScript, MUI).
- Architected a production React/.NET/Postgres stack with global CDN and TLS on AWS for sub-$10/month (S3/CloudFront, EC2/VPC, Docker).
Nov 2021 – Jan 2025
- Closed 100% of assigned defects within SLA and routinely took overflow; accelerated root-cause and fixes via disciplined repro/trace, structured logs, debuggers, and production monitoring.
- Designed and built a new ticket-search platform and executed a zero-downtime cutover from SQL to Elasticsearch; reduced API search latency 70–99% for thousands of customers.
- Co-designed and developed a widget framework enabling custom dashboards with hundreds of widgets; cut time-to-new-metric from weeks to days.
- Led the upgrade of 10+ services to .NET 8/C# 11 (LTS); standardized pipelines and dependencies, improving performance, security, and maintainability.
Jan 2020 – Nov 2021
- Operated and optimized data pipelines/services managing billions of records for physical assets; ensured accurate, auditable payouts of tens of thousands of dollars daily with zero lost funds.
- Drove requirements intake to delivery: distilled stakeholder needs into clear specs and tickets, prioritized the backlog, and shipped features on schedule with documented acceptance criteria.
Skills
Certifications
Education
2019