Collections Infra Engineer — Database Performance & Scale

Apply; San Francisco, Northern (CA, KY); Hybrid; USD 150,000 - 200,000; Full time

Job summary

Notion is seeking a Software Engineer for Collections Infra to scale the database block infrastructure. You’ll tackle high-concurrency workloads and partner with teams to build a robust backend platform.

You should have strong backend fundamentals, an interest in distributed systems, and comfort with JavaScript/TypeScript. AI-assisted debugging and performance work are central to the role.

Qualifications

• Strong backend fundamentals with focus on performance and reliability.
• Curiosity about distributed systems and scalable architectures.
• Experience with JavaScript or TypeScript is a plus.
• Ability to learn quickly and reason from first principles.
• Self-guided learning style with proactive problem solving.

Responsibilities

• Understand how Collections Infra supports Notion's database block and ship improvements.
• Use AI to learn systems faster, explore debugging paths, and generate tests.
• Improve database performance and reliability at high concurrency (P95).
• Raise the quality bar via architecture, observability, and docs.
• Collaborate with senior engineers to evolve Collections as a platform.

Skills

Backend fundamentals

Distributed systems

JavaScript/TypeScript

Performance & scale

Self-guided learning

Job description

Notion is seeking a Software Engineer for Collections Infra to scale the database block infrastructure. You’ll tackle high-concurrency workloads and partner with teams to build a robust backend platform.

You should have strong backend fundamentals, an interest in distributed systems, and comfort with JavaScript/TypeScript. AI-assisted debugging and performance work are central to the role.