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Job description
Position Title: Backend Engineer / Infrastructure Engineer (Senior) Location: San Francisco, CA (in-office ~60 hrs/week; hybrid allowed for long commutes) Position Type: Full-Time (Permanent) Work Policy: Primarily in-person; relocation assistance may be available Start Timeline: ASAP – urgent hire Compensation Base Salary: $130,000 – $210,000 (varies by level, performance, and location) Equity: Generous and meaningful equity package Notes: Competitive compensation with flexibility for exceptional candidates
Role Summary
The Backend Infrastructure Engineer will develop fraud/risk detection infrastructure and scale distributed systems. Responsibilities include building real-time processing systems, shipping end-to-end features with urgency, and expanding platform scalability to handle billions of events and millions of users.
Core 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
Strong credentials from top companies or top schools
Candidate Red Flags Do Not Submit If
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)
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Worksite address
san francisco, CA, 94199, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.