Senior Full-Stack AI & Geospatial Systems Engineer

Trinnex; Austin (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Trinnex is seeking a Senior Full Stack Developer to build scalable applications that fuse sensor/IoT data, geospatial tech, and AI-powered components. You will work across front-end in React and back-end in C#/.NET, implement REST/GraphQL APIs, and collaborate with cross‑functional teams to deliver production‑ready solutions.

Ideal candidates have 5+ years of experience in full‑stack development, strong problem solving, and a passion for water-tech challenges.

Qualifications

• Bachelor's degree required.
• Minimum 5 years of related experience.
• Willingness to travel domestically/internationally as needed.
• Experience with geospatial technologies is a plus.

Responsibilities

• Design, develop, and maintain scalable frontend and back-end applications.
• Build and optimize REST, GraphQL, and other APIs.
• Implement secure, high-performance systems with good testing and security practices.
• Mentor junior developers and contribute to engineering best practices.

Skills

Full stack dev

React

Context API

Hooks

C#/.NET

JavaScript/TypeScript

Node.js

Next.js

Express

API design

Geospatial tech

ESRI

PostGIS

Mapbox

AI/agent systems

RAG

A2A communication

GCP

Education

Bachelor's degree

Tools

Kubernetes

CI/CD

GCP

PostGIS

Job description

Trinnex is seeking a Senior Full Stack Developer to build scalable applications that fuse sensor/IoT data, geospatial tech, and AI-powered components. You will work across front-end in React and back-end in C#/.NET, implement REST/GraphQL APIs, and collaborate with cross‑functional teams to deliver production‑ready solutions.

Ideal candidates have 5+ years of experience in full‑stack development, strong problem solving, and a passion for water-tech challenges.