Backend Engineer

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) #J-18808-Ljbffr RecSkills