KIKOFF Leagues
Senior Data Scientist
Senior Data Scientist at Kikoff, a consumer fintech, acting as the data lead for a core credit-building product area: defining metrics, running product experiments, building models, and evaluating AI/LLM product surfaces. Core work is hands-on SQL and Python with experimentation and causal inference.
Senior Security Engineer, Application Security
Senior application security engineer at Kikoff, a consumer fintech that helps people build credit, based in San Francisco. Owns the AppSec roadmap end to end: secure SDLC, auth/session and API/mobile security, pentest and bug bounty programs, compliance evidence, and controls for AI-generated and LLM-backed code.
Senior Security Engineer, Data Security
Senior security engineer who owns Kikoff's entire data security pillar: defining the roadmap for data classification, encryption, tokenization, and least-privilege access across AWS, Snowflake, and internal pipelines, plus audit logging and privacy compliance (GLBA, LGPD). Requires 6+ years of hands-on security engineering in a regulated environment.
Senior Machine Learning Engineer
Build and maintain ML infrastructure for fintech underwriting models, deploying scalable systems in production while collaborating with cross-functional teams.
Staff Machine Learning Engineer
Staff Machine Learning Engineer at Kikoff, a profitable consumer fintech (credit building and lending) in San Francisco. A hands-on IC role owning the ML platform and modeling roadmap end to end — underwriting, fraud/risk, and personalization models — including feature stores, serving, monitoring, and model governance for a regulated lender.
Staff Infrastructure Engineer
Build and own AWS-based infrastructure platforms (compute, networking, observability) using Pulumi/TypeScript to enable fast, reliable engineering at a fast-growing fintech company.