ALEX RIVERA
Backend Engineer
alex.rivera@example.com | Austin, TX

SUMMARY
Backend engineer with 5 years of experience building payment and integration services in Go and Node.js. Focused on reliability, idempotent APIs and event-driven systems.

EXPERIENCE

Ledgerly (fintech startup, Austin) — Backend Engineer, March 2023 – present
- Led the rewrite of the payout service in Go; cut failed payouts by 50% and payout latency from 40 minutes to under 5.
- Built idempotent webhook ingestion for Stripe and Adyen using Kafka and a Postgres outbox; zero duplicate charges since launch.
- Owned on-call for the payments team (weekly rotation); wrote the incident runbooks.
- Mentored two junior engineers.

Shiplane (logistics SaaS, Dallas) — Software Engineer, June 2021 – February 2023
- Built carrier integrations (FedEx, UPS, DHL) in Node.js and TypeScript; 30+ REST and SOAP connectors.
- Introduced contract tests for third-party APIs, cutting integration regressions by 60%.
- Moved the rate-shopping service from polling to webhooks, reducing API cost by 35%.

EDUCATION
B.S. Computer Science, University of Texas at Dallas, 2021

SKILLS
Go, Node.js, TypeScript, PostgreSQL, Kafka, Redis, AWS (ECS, SQS, Lambda), Docker, Terraform, gRPC, REST
