Job Details

About Us

Mainflow is a early-stage fintech startup building financial infrastructure.

Currently our engineering team consists of three engineers from Hudson River Trading, Google, Meta, and Bloomberg. We've recently raised from Y Combinator (YC F25), a16z scout fund, and angel investors who've built fintech at scale before.

We're looking for a software engineer to join us. Project Canvas deals with unconventional financial derivatives, synthetic exposure vehicles, and novel alternative asset structures.

Role Description

• This is a full-time role as a full-stack software engineer at our San Francisco office.
• In-office working days are flexible, but expect to be in office 2 days week.

Requirements

• Strong fundamental grasp of Javascript.
• Experience with Typescript, React, Express, and Node.
• Proficiency in 1 performance-oriented language, preferably C .
• Knowledge in distributed systems, concurrency, and operating systems.
• Solid understanding of data modeling and experience with relational database design.
• Object-oriented programming domain knowledge of creational, structural & behavioral patterns.

Bonus

• Proficiency in command line/Shell scripting.
• Knowledge of middleware technologies, XML, and UML modeling.
• Familiarity with time-series and NoSQL databases.

Experience

• This is a mid-level position.
• 2-6 years of working experience preferred.