Senior Software Engineer - Go/Rust, Database Gateway, Remote

castaigroupinc; United States; Remote; USD 80,000 - 111,000; Full time

Benefits offered by this job

Equity options

Annual learning budget

Equipment budget

Team events and annual hackathon

Job summary

castaigroupinc is building production systems for an autonomous database administration product, delivering a high-performance gateway and analysis agent that identify performance issues, propose improvements, and verify changes safely.

The role involves shaping architecture and technical direction, with focus on correctness in caching, consistency, and recommendations that affect live customer workloads, while collaborating with product and engineering teams.

Qualifications

• Experience building production services in Go.
• Deep knowledge of PostgreSQL or MySQL and database tuning beyond ORM use.
• Understanding of database clients, drivers, and wire protocols.
• Experience with query profiling, index design, performance tuning, and production projects.
• Strong debugging skills and clear English communication.

Responsibilities

• Design, build, and operate a database gateway with caching and rate limiting.
• Develop services in Go and high-performance components in Rust.
• Build features for index selection, query analysis, and query improvements.
• Address cache invalidation and data consistency; validate recommendations before applying.
• Investigate production issues; analyze query behavior and workload performance.
• Collaborate with product and engineering on architecture, roadmap, and technical decisions.

Skills

Go development

Debugging

English communication

Tools

PostgreSQL

MySQL

Prometheus

Grafana

OpenTelemetry

Job description

castaigroupinc is building production systems for an autonomous database administration product, delivering a high-performance gateway and analysis agent that identify performance issues, propose improvements, and verify changes safely.

The role involves shaping architecture and technical direction, with focus on correctness in caching, consistency, and recommendations that affect live customer workloads, while collaborating with product and engineering teams.