Software Engineering MTS
Core
Design and build query infrastructure for Salesforce's multi-tenant platform, focusing on query generation, planning, indexing, and execution to handle 250B+ daily database queries.
Role type
Senior IC Core Query Scale Engineer
Builds
Query infrastructure, dynamic query generation, cost-based optimization, and performance diagnostics for Salesforce's multi-tenant database platform.
Domain
Cloud SaaS, Database Systems, Distributed Systems
Deliverable
production ML models | product features
Required skills
Java or modern object-oriented languages, relational databases and SQL, data structures and algorithms, high-scale production system design, debugging complex multi-layer software issues, incremental delivery in large-scale production
Preferred skills
Query optimizer internals, cost-based optimization, indexing and physical database design, multi-tenant SaaS platforms, query plan management
Technologies
Java, SQL, distributed systems, observability tooling, AI-assisted engineering tools
Responsibilities
Design and build query infrastructure operating safely across massive multi-tenant workloads; Develop algorithms for query generation, planning, indexing, and execution; Analyze production telemetry to identify performance patterns and regressions; Build observability and automation for database performance problems; Ship features with production discipline including AB validation and zero-regression bars; Own SLA/SLO and investigate cross-stack production issues; Partner across teams to solve performance and scalability problems
Seniority
Senior, hands-on IC
