Principal Product Engineer: Platform Architect & On-Site

Harmony AI (tryharmony.ai); Chattanooga (TN); On-site; USD 180,000 - 220,000; Full time

Benefits offered by this job

In-person only

Full-time

Gym access

High equity compensation

Direct founder exposure

Team dinners

Job summary

Harmony AI is hiring a Principal Product Engineer in Chattanooga, TN to own the architecture of the internal platform. You will define the ontology, set the data model, and decide what gets productized versus kept as custom work, turning multi-week deployments into streamlined, repeatable implementations.

This hands-on role requires daily coding, close collaboration with the founders, and on-site presence when needed.

Qualifications

• 3-5+ years building and shipping production software.
• Proficient in Python and TypeScript/React; comfortable across APIs, services, front end, and data.
• Hands-on experience with Docker/K8s, Terraform, CI/CD, and observability in production environments.
• Experience integrating with enterprise systems (SSO/OIDC/SAML, data sources) under security constraints.
• Track record of building internal platforms, SDKs, or developer tooling adopted by others.
• Judgment about abstraction; knows when to generalize and when not to.
• Excellent communication with non-technical stakeholders; thrives on-site with customers.

Responsibilities

• Set architecture and define the shared data model for the platform.
• Build platform abstractions to accelerate deployments across customers.
• Write code daily and work on-site with the founders.
• Mentor engineers and ensure the platform is used as designed.

Skills

Python

TypeScript/React

Docker/K8s

Terraform

CI/CD

Observability

Security & Compliance

Developer tooling

Job description

Harmony AI is hiring a Principal Product Engineer in Chattanooga, TN to own the architecture of the internal platform. You will define the ontology, set the data model, and decide what gets productized versus kept as custom work, turning multi-week deployments into streamlined, repeatable implementations.

This hands-on role requires daily coding, close collaboration with the founders, and on-site presence when needed.