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Core Services Engineer: Auth, Webhooks & Backend

Posted today

free resumeMillbrae (CA)

SENIORITY

Senior

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About the role

Cursor is hiring a Software Engineer to own the critical backend services that sit between product surfaces and the infrastructure layer, including auth, webhooks, and agent workflows. You'll design scalable auth architectures, power the agent backend, and build robust webhook servers with observability for high-throughput delivery. You should have strong fundamentals in production services, experience with OAuth/JWT/RBAC, and a passion for reliability and performance in multi-step systems.

Before you apply

Applying takes about a minute. These four things decide how fast it moves after that.

Your profile is current

It's what we read first. Occupations, seniority and locations matter more than a long history.

Two examples you can talk through

Not a portfolio — just two pieces of work where you can explain the decisions and what you'd change.

A number in mind

What you're on now and what would make you move. We negotiate better when we know both.

Your notice period

Employers plan around it, and it's the question that stalls offers most often.

Once you apply, someone reads it and calls you before anything reaches the employer — usually within two working days.

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