Full-Time

Full Stack Software Engineer

Posted on 12/4/2024

Chalk

Chalk

51-200 employees

Fraud detection and credit underwriting platform.

Compensation Overview

$170k - $280k/yr

+ Equity

San Francisco, CA, USA + 1 more

More locations: New York, NY, USA

In Person

In-office 5 days/week; not hybrid.

Category
Software Engineering (1)
Required Skills
Python
React.js
TypeScript
Go
Requirements
  • 2+ years experience of professional software engineering experience
  • Working knowledge of computer science fundamentals. We’re not looking for experience from drilling leet code – we need folks who are comfortable building and maintaining real systems
  • A record of developing sophisticated user-facing applications that are pleasant to use
  • An eye for high-quality UX
  • Track record of learning new concepts quickly
  • Ability to work autonomously & to make pragmatic tradeoffs with an eye towards business outcomes
  • Strong communication skills
  • Bachelor's degree in Computer Science or equivalent
Responsibilities
  • Work directly with Chalk’s co-founders to productionize our first iteration
  • Write TypeScript, Python, Go, and React
  • Expose the functionality of our core platform to data scientist and machine learning end-users in their home environments
  • Iterate rapidly to improve Chalk’s platform in response to customer needs
Desired Qualifications
  • Experience implementing data infrastructure
  • Experience working with developer tools
  • Experience with applied machine learning or data analytics
  • Experience with Go

Chalk.ai provides risk intelligence for businesses in fintech, focusing on fraud detection and credit underwriting. It offers a scalable platform powered by machine learning and data engineering to help companies manage risk during financial transactions. The product processes data in real time through online ML models, enabling live decision-making, and is delivered as a subscription service with configurable workflows and risk models that require minimal infrastructure to use. Chalk.ai differentiates itself by offering highly customizable and scalable risk solutions tailored to each business’s needs, along with real-time processing and an easy-to-use platform. Its goal is to help financial institutions, e-commerce platforms, and other high-volume transaction businesses reduce fraud and improve credit decisions by providing actionable risk insights through a managed ML-powered platform.

Company Size

51-200

Company Stage

Series A

Total Funding

$60M

Headquarters

San Francisco, California

Founded

2022

Simplify Jobs

Simplify's Take

What believers are saying

  • Horizontal expansion across fintech, identity, healthcare, e-commerce verticals underway.
  • LLM Toolchain unifies structured and unstructured data for GenAI applications.
  • $50M Series A validates positioning as critical infrastructure layer.

What critics are saying

  • Databricks Mosaic AI directly competes on feature stores and low-latency serving.
  • Open-source alternatives like Feast and Tecton commoditize feature engineering.
  • Rust Foundation standardization threatens proprietary Rust-based compute engine differentiation.

What makes Chalk unique

  • Sub-5ms latency inference engine scales to 100,000 QPS with Rust-based compute.
  • Unified platform combines feature engineering, LLM evals, and real-time inference.
  • Deploys within customer VPC for data residency and compliance control.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Health Insurance

Dental Insurance

Vision Insurance

401(k) Retirement Plan

Paid Vacation

Paid Holidays

Flexible Work Hours

Phone/Internet Stipend

Growth & Insights and Company News

Headcount

6 month growth

-7%

1 year growth

-3%

2 year growth

-7%
Feedzai
Mar 24th, 2026
The most innovative data science companies of 2026.

The most innovative data science companies of 2026. March 24, 2026 Why Unstructured, Feedzai, Synchron, and Chalk are among Fast Company's Most Innovative Companies in data science for 2026.

Business Wire
May 29th, 2025
Chalk Raises $50M Series A to Power AI Inference

Chalk, the data platform for AI inference, announced today that it has raised a $50 million Series A at a $500 million valuation. The round was led by Felici...

TechStartups.com
May 28th, 2025
Neuralink Secures $600M for Interfaces

On May 28, 2025, Neuralink secured $600 million to advance its brain-computer interface trials. The funding highlights a strong interest in frontier tech, with other notable investments including Horizon3.ai's $100 million for its AI-driven cybersecurity platform. The diverse funding landscape underscores continued support for innovative tech solutions.

Postmedia Network
May 28th, 2025
Chalk Raises $50M Series A to Power AI Inference

Chalk, the data platform for AI inference, announced today that it has raised a $50 million Series A at a $500 million valuation.

Salem Media Group
May 28th, 2025
Databricks competitor Chalk raises $50 million series A

SAN FRANCISCO (Reuters) -Artificial intelligence infrastructure startup Chalk said Wednesday it had raised a $50 million Series A funding round, valuing the company at $500 million.

INACTIVE