Hybrid Principal Python Engineer, Semantic AI Scale

Cotality; Oklahoma City (OK); Hybrid; USD 154,600 - 180,000; Full time

Benefits offered by this job

Generous PTO and paid holidays

16 weeks of fully paid parental leave

401(k) with company match

$400 annual well-being stipend

Tuition assistance up to $5,250

Job summary

Cotality is seeking a Principal Software Development Engineer to lead the design and testing of complex software systems. This senior position requires developing scalable, high-quality solutions while mentoring engineering teams. Located in Oklahoma City, you will transform existing services into high-scale intelligent platforms.

The ideal candidate will have extensive experience in Python and AI, and will play a key role in automating workflows and ensuring quality during project scaling. Join us and be part of a dynamic team.

Qualifications

• 10+ years of professional software engineering experience.
• Proven experience in designing, scaling, and maintaining production web services in Python.
• Deep understanding of Knowledge Representation, Ontologies, and Graph Reasoning.
• Experience with Vector Databases and advanced retrieval strategies.
• Familiarity with AI evaluation frameworks and the use of LLMs.

Responsibilities

• Lead redesign and scaling of the Semantic Layer Web Service.
• Serve as the primary technical lead for the delivery team.
• Design Hybrid Graph/Vector search architectures.
• Develop robust backend services linking core enterprise data with AI.
• Collaborate to build automated workflows for Ontology Management.

Skills

Expert Python/FastAPI Developer

Semantic & Graph Expertise

Advanced RAG Knowledge

AI Orchestration Mastery

Evaluation Rigor

Analytical & Scale-Minded

Cloud Architecture

Communication & Leadership

Education

Master’s or Bachelor’s degree in Computer Science, AI, or a related field

Tools

Python

FastAPI

Git

Unix command line

ADK

Job description

Cotality is seeking a Principal Software Development Engineer to lead the design and testing of complex software systems. This senior position requires developing scalable, high-quality solutions while mentoring engineering teams. Located in Oklahoma City, you will transform existing services into high-scale intelligent platforms.

The ideal candidate will have extensive experience in Python and AI, and will play a key role in automating workflows and ensuring quality during project scaling. Join us and be part of a dynamic team.