Senior Full-Stack AI & Geo Systems Engineer

Trinnex; Knoxville (TN); On-site; USD 102,000 - 179,000; Full time

Job summary

Trinnex, Knoxville-based water-tech innovator, seeks a Senior Full Stack Developer for its Digital Solutions team to build scalable frontend and backend systems integrating sensor/IoT data, geospatial tech, ML, and AI-powered agents. You’ll drive modern architectures, collaborate with a cross-functional team, and influence technical direction toward production-ready solutions.

The role covers API design, agent-based components, RAG-enabled features, and deployment pipelines.

Qualifications

• Bachelor's degree or equivalent experience.
• 5 years of related experience.
• Experience designing and developing full stack web applications.
• Proficiency with React and modern front-end frameworks.
• Strong back-end skills in C#/.NET and JavaScript/TypeScript.
• Experience with geospatial technologies (ESRI, PostGIS, Mapbox).
• Knowledge of API design, data integration, and system architecture.
• Experience with AI-driven features and agent-based workflows.
• Familiarity with RAG patterns and agent orchestration concepts.
• Proactive learner with emerging tech.

Responsibilities

• Design, develop, and maintain scalable frontend and back-end applications.
• Build, integrate, and optimize REST, GraphQL, and other APIs.
• Contribute to AI-driven features, including agent-based workflows.
• Support retrieval-augmented generation (RAG) and contextual data retrieval.
• Collaborate on architectures enabling agent orchestration and A2A communication.
• Develop automated testing strategies and CI/CD pipelines.
• Troubleshoot and resolve complex issues across the stack.
• Mentor junior developers and contribute to engineering practices.

Skills

Full stack development

React

C#/.NET

JavaScript/TypeScript

API design

Geospatial tech

AI/agent systems

RAG patterns

Agent orchestration

A2A communication

AI tools

Education

Bachelor's degree

Tools

ESRI

PostGIS

Mapbox

Kubernetes

GCP

CI/CD

Job description

Trinnex, Knoxville-based water-tech innovator, seeks a Senior Full Stack Developer for its Digital Solutions team to build scalable frontend and backend systems integrating sensor/IoT data, geospatial tech, ML, and AI-powered agents. You’ll drive modern architectures, collaborate with a cross-functional team, and influence technical direction toward production-ready solutions.

The role covers API design, agent-based components, RAG-enabled features, and deployment pipelines.