Senior Software Engineer, AI‑Driven Fintech Platform

Sarah Smith Fund; San Francisco (CA); On-site; USD 140,000 - 210,000; Full time

Job summary

Casca is building AGI for banking and is replacing legacy systems with AI-native tech. You will own end-to-end components, balancing high-quality code delivery with stakeholder collaboration to drive product value.

The stack includes TypeScript, React, NextJS, Postgres with Prisma, Python and AWS, requiring 5+ years of SaaS experience and a startup mindset. You’ll contribute ~70% to coding and ~30% to coordination with customers and product managers, while elevating team throughput through code

Qualifications

• 5+ years of software engineering experience in production SaaS environments.
• Startup experience in high-velocity settings with front-to-back ownership.
• Strong web application development with relational databases and clean code quality.

Responsibilities

• Own end-to-end component ownership from scoping to deployment and maintenance.
• Propose pragmatic technical solutions to deliver value quickly while avoiding unnecessary complexity.
• Collaborate with customers and product managers to break down features into actionable tasks.

Skills

Software engineering

SaaS experience

Frontend & Backend

Architecture

Observability & testing

Tools

TypeScript

React

Next.js

PostgreSQL with Prisma

Python

AWS

Job description

Casca is building AGI for banking and is replacing legacy systems with AI-native tech. You will own end-to-end components, balancing high-quality code delivery with stakeholder collaboration to drive product value.

The stack includes TypeScript, React, NextJS, Postgres with Prisma, Python and AWS, requiring 5+ years of SaaS experience and a startup mindset. You’ll contribute ~70% to coding and ~30% to coordination with customers and product managers, while elevating team throughput through code