Alex Rivera
Senior Software Engineer
alex.rivera@email.com · (555) 987-6543 · linkedin.com/in/alexrivera · Austin, TX
Summary
Senior software engineer with 9 years building and operating distributed systems at scale. Owns platform reliability and cost for core services; known for architecture decisions that cut incidents and infrastructure spend while mentoring mid-level engineers into senior roles.
Experience
Senior Software Engineer — Horizon Platform
Jan 2021 – Present
- Owned reliability for 12 production services; reduced P1 incidents 40% and MTTR from 45m to 12m
- Led design of event-driven order pipeline (Kafka + Go), supporting 3× peak traffic with no added headcount
- Drove multi-region cost review and right-sizing; cut AWS spend 31% (~$420K/year) with no latency regression
- Mentored 5 engineers; three promoted to mid-level within 18 months after structured pairing and design reviews
Software Engineer — Cascade Systems
Jun 2017 – Dec 2020
- Built and operated payment reconciliation service processing $2B+ annual volume with 99.99% accuracy
- Introduced canary deploys and automated rollback; reduced failed production changes by 65%
- Partnered with product and data teams to ship fraud scoring API used by 4 product lines
Education
B.S. in Computer Science, University of Texas at Austin — 2017
Skills
Go, Node.js, Kafka, Kubernetes, AWS, PostgreSQL, distributed systems, observability, CI/CD, technical mentoring