Senior Database Internals Engineer - Cloud Storage, Equity

Google Inc.; Sunnyvale (CA); On-site; USD 147,000 - 210,000; Full time

Job summary

Google's AlloyDB team in Sunnyvale, CA is seeking a Software Engineer III to advance backend internals of a cloud relational database. You will design and implement core engine features across the stack, from the Query Optimizer to the Storage Layer, while collaborating with engineering leadership.

The role requires a Bachelor's degree and 2 years of C/C++ development, with preferred candidates having advanced degrees and experience with distributed systems, storage engines, and replication.

Qualifications

• Bachelor’s degree or equivalent practical experience.
• 2 years of experience with software development in C or C++.
• 2 years of experience designing, building, or maintaining backend infrastructure, distributed systems, or large-scale storage architecture.
• Experience developing concurrent, multithreaded systems, or engineering core database internals (e.g., storage engines, transaction processing, indexing).
• Experience building fault-tolerant distributed systems, data replication mechanisms, or consensus protocols (e.g., Paxos, Raft).

Responsibilities

• Design and implement high‑performance C++ components for the AlloyDB kernel, focusing on storage engines, indexing, buffer management, and transaction logging.
• Build and harden distributed consensus and replication mechanisms to ensure data consistency and high availability.
• Integrate upstream PostgreSQL features into a custom storage engine while maximizing cloud infrastructure advantages.
• Profile and optimize the core database path to reduce latency and improve concurrency.
• Collaborate with cross‑functional teams to resolve architectural challenges and performance bottlenecks.

Skills

C/C++

Distributed systems

Multithreading

Storage systems

Backend infra

Education

Bachelor’s degree

Master’s or PhD (preferred)

Tools

PostgreSQL

MySQL

RocksDB

LevelDB

Job description

Google's AlloyDB team in Sunnyvale, CA is seeking a Software Engineer III to advance backend internals of a cloud relational database. You will design and implement core engine features across the stack, from the Query Optimizer to the Storage Layer, while collaborating with engineering leadership.

The role requires a Bachelor's degree and 2 years of C/C++ development, with preferred candidates having advanced degrees and experience with distributed systems, storage engines, and replication.