Senior Product Engineer: Real-Time Voice AI for Fintech

Praxis, Inc.; San Francisco (CA); On-site; USD 150,000 - 230,000; Full time

Job summary

Kato is hiring a Senior Product Engineer in San Francisco, 4 days a week in person. You will shape the technical foundation, own critical projects, and drive onboarding and enhancements for our voice agent framework. You’ll work across the stack from real-time processing to dashboards, scaling infrastructure, and product expansion.

CTO reports directly, equity ownership included. The role emphasizes architectural leadership, customer collaboration, and building high-impact, compliant fintech

Qualifications

• BS in Computer Science or related field required.
• 2–5 years of production software engineering experience.
• Strong API design background and architectural thinking.
• Experience with cloud infrastructure (AWS/GCP).
• Excellent problem-solving, communication and ownership mindset.
• Lives and breathes product and code quality.

Responsibilities

• Lead architecture and implementation of real-time systems.
• Design scalable, fault-tolerant distributed services.
• Optimize LLM integration for compliant conversations.
• Build internal tooling for monitoring and improvement.
• Develop customer-facing dashboards and reporting.
• Collaborate with customers to translate requirements into solutions.
• Set engineering standards and drive technical decisions.

Skills

API design

Problem-solving

Architectural thinking

Communication

Ownership mindset

Product and code quality

Learning drive

Education

Bachelor's degree in Computer Science or related field

Tools

Golang

TypeScript

React

PostgreSQL

AWS

GCP

Terraform

Kubernetes

Job description

Kato is hiring a Senior Product Engineer in San Francisco, 4 days a week in person. You will shape the technical foundation, own critical projects, and drive onboarding and enhancements for our voice agent framework. You’ll work across the stack from real-time processing to dashboards, scaling infrastructure, and product expansion.

CTO reports directly, equity ownership included. The role emphasizes architectural leadership, customer collaboration, and building high-impact, compliant fintech