Staff Engineer owning analytics architecture and data modeling at Oscilar, an AI risk decisioning platform for fraud, credit, and compliance.
Building tiered data infrastructure, optimizing database performance, and shaping long-term analytics platform strategy.
Responsibilities
Own the data layer behind the analytics product and design the analytics architecture and data model
Find and fix database performance and scaling problems
Own the schema and data model for analytical data
Design and build a tiered analytics platform spanning the system of record, low-latency serving tier, and batch/ML tier
Decide workload placement across tiers using measured latency, cost, and isolation benchmarks
Build observability into the data layer so problems surface early
Partner with the ingestion team to keep read and write paths coherent as schemas evolve
Write code and shape the multi-quarter direction of the analytics platform
Requirements
Deep, production experience operating a database or analytical store under concurrent, customer-facing load
Ability to reason from a query plan to a fix
Strong SQL and a real mental model of columnar / OLAP execution
Solid backend engineering experience; ability to read and modify a real codebase
Data architecture experience designing or materially shaping a multi-tier data platform
Ability to defend architectural decisions with measurements
Lakehouse experience with Databricks, Spark, Delta Lake, Iceberg, or comparable technologies preferred
Experience designing schemas for wide, semi-structured event data preferred
Streaming ingestion experience with Kafka or similar preferred
Track record of a migration or major re-architecture, with cost/latency reasoning preferred
ClickHouse experience nice to have
Connection-pool and JDBC-level tuning experience nice to have
Familiarity with feature-flagged rollouts of query-engine behavior changes nice to have
Open-source contributions to a query engine or related tooling nice to have
Legal authorization to work in the country of the position is requested in the application form
Benefits
Candidates are hired as CLT and are offered competitive salary
Stock options
100% of Medical/Dental (Care Plus) for you and your dependents
100% Life / LTD (Prudential)
Caju Card for monthly meal allowance
Remote first culture
Family-Friendly environment
Regular team events and offsites
Unparalleled learning and professional development opportunities
Making the internet safer by protecting online transactions
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