Ovii

Meet Sentilink

SentiLink is an identity verification, fraud prevention and risk intelligence company founded in 2017. Its products help organizations detect synthetic identities, identity theft and hard-to-detect first-party fraud using machine learning models, proprietary identity data and fraud intelligence. Its product suite includes Synthetic Fraud Score, ID Theft Score, eCBSV, PII Risk Scores, CIP Match & Watchlists, Facets and Intercept. SentiLink serves financial institutions, credit unions, telecom companies, fintechs, property technology providers, utilities and government organizations. The company says it works with more than 500 companies and government organizations, verifies over 3 million identities per day and flags more than 150,000 high-risk applications daily.View more

SentiLink is an identity verification, fraud prevention and risk intelligence company founded in 2017. Its products help organizations detect synthetic identities, identity theft and hard-to-detect first-party fraud using machine learning models, proprietary identity data and fraud intelligence. Its product suite includes Synthetic Fraud Score, ID Theft Score, eCBSV, PII Risk Scores, CIP Match & Watchlists, Facets and Intercept. SentiLink serves financial institutions, credit unions, telecom companies, fintechs, property technology providers, utilities and government organizations. The company says it works with more than 500 companies and government organizations, verifies over 3 million identities per day and flags more than 150,000 high-risk applications daily.

Founded
2017
Company size
51-200 employees
Company stage
Series B
Headquarters
San Francisco, USA

Why work here

SentiLink offers candidates the opportunity to work on technically demanding identity and fraud problems at significant scale. The company says its systems verify more than 3 million identities daily and serve more than 500 organizations, including many of the largest U.S. banks, credit unions and telecom companies. Engineering roles involve large-scale data platforms, real-time APIs, fraud models and cloud infrastructure using technologies such as Python, Go, PostgreSQL, AWS, Kubernetes, Spark and OpenSearch. SentiLink has raised $85M from established investors and is expanding into government, healthcare and new financial-risk products. Published roles also advertise equity, employer-paid health coverage, flexible paid time off, retirement-plan matching, home-office support and a mix of remote, hybrid and office-based work.Read more

SentiLink offers candidates the opportunity to work on technically demanding identity and fraud problems at significant scale. The company says its systems verify more than 3 million identities daily and serve more than 500 organizations, including many of the largest U.S. banks, credit unions and telecom companies. Engineering roles involve large-scale data platforms, real-time APIs, fraud models and cloud infrastructure using technologies such as Python, Go, PostgreSQL, AWS, Kubernetes, Spark and OpenSearch. SentiLink has raised $85M from established investors and is expanding into government, healthcare and new financial-risk products. Published roles also advertise equity, employer-paid health coverage, flexible paid time off, retirement-plan matching, home-office support and a mix of remote, hybrid and office-based work.

Industry
Identity Verification and Fraud Prevention
Open jobs
39 open jobs

Tech stack

Python

Programming Language

Go

Programming Language

React

Frontend

PostgreSQL

Database

Amazon Aurora

Database

Amazon Web Services

Cloud

Amazon EC2

Cloud Infrastructure

Amazon S3

Cloud Storage

Amazon RDS

Database

Amazon Redshift

Data Warehouse

AWS Lambda

Serverless Computing

Amazon Cognito

Identity Infrastructure

Amazon EMR

Data Processing

Kubernetes

Container Orchestration

Docker

Containers

Terraform

Infrastructure as Code

OpenSearch

Search and Analytics

Apache Spark

Data Processing

Apache Airflow

Workflow Orchestration

Datadog

Observability

Prometheus

Observability

Sumo Logic

Observability

Key people

4 people
Naftali HarrisCo-Founder & CEOView bio

Co-founder and CEO of SentiLink. Harris was the first data scientist at Affirm, where he built and led its Risk Decisioning team. He studied statistics at the University of Chicago and Stanford and has focused his career on fraud, credit risk, identity and data-driven decisioning.

LinkedIn
Max BlumenfeldCo-Founder & COOView bio

Co-founder and COO of SentiLink. Before starting SentiLink, Blumenfeld led Risk Operations and Fraud Data Science at Affirm. He studied mathematics and economics at the University of Chicago and was named to Forbes' 30 Under 30 list in 2020.

Kathleen WaidChief Revenue OfficerView bio

Waid joined SentiLink as Chief Revenue Officer in 2026 and leads its revenue organization and growth strategy. She has more than 20 years of enterprise software and fraud-industry experience, including leadership roles at Prove Identity, NeuroID, Fiserv and Point Predictive.

LinkedIn
David MaimonHead of Fraud InsightsView bio

Dr. David Maimon leads fraud insights at SentiLink, researching emerging fraud methods and translating those findings into intelligence for customers and product teams. His work focuses on cyber-enabled financial crime, identity fraud and fraud ecosystems.

Latest company news

4 stories

SentiLink Announces Plans to Launch Repute, a Consumer Reporting Agency Built to Help Alternative Finance Lenders Make Better Decisions Earlier

SentiLink

SentiLink announced Repute, a separately operated consumer reporting agency whose first product will be an FCRA-actionable credit score for alternative finance lenders. General availability is planned for March 1, 2027.

Read article

SentiLink Receives USDA Authority to Operate to Support SNAP Fraud Prevention

SentiLink

The U.S. Department of Agriculture granted SentiLink an Authority to Operate for technology supporting SNAP fraud prevention, enabling approved use of its identity fraud detection capabilities within the federal program.

Read article

SentiLink Partners with Florida’s Agency for Health Care Administration to Combat Medicaid Fraud

SentiLink

SentiLink partnered with Florida's Agency for Health Care Administration to analyze identity and entity risk across nearly two million Medicaid providers and entities as part of the state's Medicaid Integrity Initiative.

Read article

SentiLink Appoints Kathleen Waid as Chief Revenue Officer

PR Newswire

SentiLink appointed fraud and identity-industry executive Kathleen Waid as Chief Revenue Officer to lead its revenue organization, partner expansion and go-to-market growth.

Read article

Jobs at Sentilink

39 open roles
View all jobs at Sentilink