Senior Full-Stack Engineer — AI, Geo & Water Tech

Trinnex; Glendale (AZ); On-site; USD 102,000 - 179,000; Full time

Job summary

Trinnex is seeking a Senior Full Stack Developer to join the Digital Solutions team. You will work on modern applications integrating sensor/IoT data, geospatial tech, machine learning, and AI-powered agents to tackle environmental challenges.

You will design and implement full stack features, APIs, and agent-based components, while collaborating across disciplines to drive scalable, production-ready software. Experience with React, C#/.NET, Node.js, and geospatial tools is valued.

Qualifications

• Bachelor's degree or equivalent experience; global travel may be required.
• 5+ years of related experience in full stack development and environments.
• Experience with web APIs, frontend/backend integration, and scalable systems.

Responsibilities

• Design, develop, and maintain scalable frontend and back-end applications.
• Build and optimize REST, GraphQL APIs and other interfaces.
• Implement AI-enabled features including agent-based workflows.
• Contribute to RAG, vector data access, and contextual retrieval strategies.
• Collaborate across teams to deliver production-ready solutions.
• Mentor junior developers in frontend, backend, and integration work.

Skills

Full stack design

React (Context API & Hooks)

C#/.NET

Node.js/Next.js/Express

API design & integration

Geospatial tech (ESRI/PostGIS/Mapbox)

Problem solving

Communication & collaboration

Agent-based AI concepts

RAG patterns & A2A communication

Education

Bachelor's degree

Tools

React

C#/.NET

Node.js

ESRI

PostGIS

Mapbox

CI/CD

Job description

Trinnex is seeking a Senior Full Stack Developer to join the Digital Solutions team. You will work on modern applications integrating sensor/IoT data, geospatial tech, machine learning, and AI-powered agents to tackle environmental challenges.

You will design and implement full stack features, APIs, and agent-based components, while collaborating across disciplines to drive scalable, production-ready software. Experience with React, C#/.NET, Node.js, and geospatial tools is valued.