Backend Engineer

Position Summary

The Backend Infrastructure Engineer will develop fraud/risk detection infrastructure and scale distributed systems.

Responsibilities

• Ship end-to-end product features with ownership and urgency
• Scale infrastructure to support high-transaction systems and millions of users
• Develop distributed and real-time systems for fraud/risk detection or similar use cases
• Build scalable fundamentals for the product across industries
• Collaborate closely with engineering and product teams

Must-Have Qualifications

• Expertise in distributed systems and real-time processing
• Proficiency with big data technologies (Cassandra, DynamoDB, BigTable, or other NoSQL)
• Experience with streaming technologies (Kafka, Pub/Sub, etc.)
• Familiarity with scaling vector databases and LLM-based systems
• Ability to independently own and deliver product features end-to-end

PREFERRED Qualifications

• Knowledge of rate-limiting infrastructure
• Experience with Kubernetes or containerized environments
• Experience in observability or data visualization products
• Growth-stage startup experience

Candidate Red Flags

• Consulting-heavy background
• Primarily contract-based experience
• Frequent job hopping with short tenures
• Too much DevOps or internal tools work
• Former CTOs or long-time managers returning to IC roles
• Candidates unwilling to relocate to SF if required
• Experience limited to non-complex projects (internal tools, dashboards, testing)