Job Details

Senior Software Engineer – Full Stack (Ruby / Next.js)

Location:
On-site in San Francisco, CA

Salary - up to $220k
Overview:
An innovative, venture-backed startup is redefining a legacy $10T industry through AI-powered financial automation. They're scaling fast and looking for a Senior Software Engineer to help build out critical product features and infrastructure.

Company:
A high-growth tech company operating at the intersection of AI, fintech, and operations automation. The team is lean, product-focused, and driven by real customer needs.

Responsibilities:

• Build and ship full-stack features using Ruby on Rails and Next.js

• Own core product areas related to payments, checkout, and financial operations

• Work directly with design, product, and customers to solve real-world problems

• Help define architecture and mentor other engineers as the team scales

Required Skills:

• 5+ years of experience as a full-stack or backend engineer

• Strong background with relational databases and API design

• Experience at a growth-stage startup

• Interest or experience in Ruby on Rails and/or Next.js

• Bonus: Experience with payments, fintech, or insurance platforms