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Software Engineer, Fullstack – Project Canvas
Job in
San Francisco, San Francisco County, California, 94199, USA
Listed on 2026-02-16
Listing for:
Mainflow
Full Time, Part Time
position Listed on 2026-02-16
Job specializations:
-
Software Development
Software Engineer, Full Stack Developer
Job Description & How to Apply Below
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.
- Strong fundamental grasp of Java script.
- 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.
- Proficiency in command line/Shell scripting.
- Knowledge of middleware technologies, XML, and UML modeling.
- Familiarity with time-series and No
SQL databases.
- This is a mid-level position.
- 2-6 years of working experience preferred.
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