Staff Site Reliability Engineer, Database (Toronto)

Alpaca is a US‑headquartered broker‑dealer and brokerage infrastructure provider, serving hundreds of financial institutions across 40 countries with institutional‑grade APIs. Your Role As a Site Reliability Engineer (SRE) at Alpaca, you will ensure the reliability, scalability, and performance of our systems and services. You will work closely with development, operations, and devOps teams to build and maintain robust applications, ensuring they run smoothly and efficiently. The role blends software engineering with operations expertise, requiring strong troubleshooting skills to resolve issues before they impact users. Things You Get To Do - Triage difficult technical problems and implement solutions - Improve our observability stack (monitoring, logging, profiling) - Respond to and resolve incidents in a timely manner and conduct post‑incident reviews to identify and implement improvements - Work closely with development teams to design features and services with reliability and scalability in mind - Monitor system capacity and performance, making recommendations and implementing changes to handle future growth Who you are (must‑haves) - 5+ years of experience in Site Reliability Engineering, Performance Engineering, or similar roles - 5+ years experience with multi‑terabyte scale PostgreSQL clusters - Proven track record of managing and maintaining large‑scale, high‑availability, high‑performance PostgreSQL database - Experience designing and implementing SLIs, SLOs, and SLAs for internal systems and databases - Experience troubleshooting PostgreSQL performance problems and slow queries - Extensive experience with efficient schema and query design - Experience migrating multi‑terabyte tables into more efficient schemas - Proficient in Go, Prometheus, Linux - Knowledgeable in trading/fintech domains - Experience with low‑latency systems, distributed tracing, and scaling PostgreSQL clusters rapidly - Experience with pgx, gorm, or sqlc How We Take Care of You - Market-competitive salary & Stock Options - Health Benefits - New Hire Home‑Office Setup (one‑time USD $500) - Monthly Stipend: USD $150 per month via a Brex Card Alpaca is proud to be an equal‑opportunity workplace dedicated to pursuing and hiring a diverse workforce. Apply on Kit Job: kitjob.ca/job/2pkz3m