Senior Software Engineer — Autonomous DB Optimisation

CAST AI Group; Union (NJ); Remote; USD 81,000 - 112,000; Full time

Benefits offered by this job

Remote-first work environment

Equity options

Global team of cloud and infra experts

Fast feedback and short delivery cycle

10% time for personal projects or pro‑

Annual learning budget

Team-building budget and companyevents

Additional days off

Job summary

CAST AI Group is seeking a Senior Software Engineer for the Database Optimisation team to build and scale an autonomous database administrator. You will design high-performance Go/Rust services, validate recommendations, and ensure correctness across production workloads in a remote-first setup.

Key focus areas include database gateway and agent development, caching, index suggestions, and performance tuning.

Qualifications

• Solid software engineering fundamentals with clean abstractions.
• Experience building production Go services.
• In-depth PostgreSQL or MySQL knowledge.
• Understanding of database clients, drivers and wire protocols.
• Strong debugging and performance-tuning skills.
• Experience taking a complex project from design to production.
• Excellent written and spoken English.
• Proactive, adaptable and able to work in a fast-moving environment.
• Comfort with ambiguity and contributing to technical direction.

Responsibilities

• Design, build and operate the Database Gateway.
• Develop high-performance services in Go and Rust.
• Work on database caching, rate limiting and other gateway capabilities.
• Build the Database Agent’s recommendation engine.
• Develop systems for index suggestions, query analysis and query improvements.
• Work on cache invalidation and data consistency, where correctness is critical.
• Create methods for safely validating database recommendations before they are applied.
• Debug complex production issues across the gateway, agent and underlying database systems.
• Analyze database performance, query behaviour and workload patterns.
• Collaborate with product and engineering teams on problems without established solutions.
• Contribute to product direction, technical decisions and the engineering roadmap.
• Help shape the next generation of automated database administration.

Skills

Go

Debugging

Performance tuning

English proficiency

Tools

PostgreSQL

MySQL

Kubernetes

Job description

CAST AI Group is seeking a Senior Software Engineer for the Database Optimisation team to build and scale an autonomous database administrator. You will design high-performance Go/Rust services, validate recommendations, and ensure correctness across production workloads in a remote-first setup.

Key focus areas include database gateway and agent development, caching, index suggestions, and performance tuning.