Software Engineer
MosaicVideo Editing company
New YorkSenior
Y Combinator
Mayfield Fund
Elevation Capital
Pioneer Fund
Transpose Platform
TwentyTwo Ventures
Software Engineering
About the role
TL;DR
Build and maintain high-stakes financial deal modeling platform.
- •As a Fullstack Engineer at Mosaic, you'll build product experiences that investors and bankers rely on to run high-stakes deal processes.
- •You'll work across the stack from sleek, high-trust interfaces to backend services that power modeling, ingestion, collaboration, and workflow automation.
- •Key Responsibilities Own features from idea → design → implementation → testing → deployment Build intuitive, polished UI workflows that feel fast and trustworthy Ship backend APIs and services that support complex user actions and data flows Improve the architecture of core systems powering modeling and analysis Write clean, maintainable, well-tested code that raises the team's bar Ensure performance and reliability for workflows used in live deal environments Requirements Strong proficiency in JavaScript and TypeScript Experience with React for building high-trust interfaces Experience with Node.js and Express for backend development Familiarity with PostgreSQL and AWS Knowledge of CI/CD, Docker, and Kubernetes
Required skills
JavaScriptTypeScriptReactNode.jsExpressPostgreSQLAWSCI/CDDockerKubernetes
Domain expertise
fintech
Tech stack
JavaScriptTypeScriptReactNode.jsExpressPostgreSQLAWSCI/CDDockerKubernetes