Senior Backend Engineer

Variance is building a trustworthy internet

The internet, mediated by opaque algorithms, is fragile and manipulatable. Variance is using AI to help rebuild an internet that’s safe enough to be free again. We apply AI agents to billions of events a day to reduce risk to millions of users from spam, scams, and abuse. We are hiring a full-stack engineer to help advance our mission of trust and scale our product.

We’re Y-Combinator backed and have grown revenue 15x over the past year. Our customers span Fortune 500 companies and top-tier unicorns.

You’re a fit if you’re:

• Serious about craftsmanship and opinionated about your work

• Fluent with big data technologies, like Cassandra, DynamoDB, BigTable, or other NoSQL technologies

• Experience with streaming technologies, such as Pub/Sub, or Kafka

• Familiar scaling vector databases, LLMs, and the opportunity for building world-class features and user experiences

• Comfortable owning and shipping product features end-to-end to completion

Preferred Qualifications

• Knowledge of rate-limiting infrastructure

• Experience in Kubernetes or container-based environments

What you’ll do

• Ship end-to-end features with timelines measured in hours

• Scale our product to new industries, across pilots, demos, and use-cases

• Help build the fundamentals of our product to scale to billions of users

Our culture

We believe in a culture of ownership, urgency, and relentless execution. We are fully in-person in San Francisco.

What we offer

• Health care: we offer platinum-level medical, dental, and vision insurance

• Unlimited PTO, sick leave, and parental leave

• Up to $100 in reimbursement for personal health & wellness expenses each month

• 401(k) plan