Senior Full-Stack Engineer — AI, Geospatial & IoT

Trinnex; Green Bay (WI); On-site; USD 102,000 - 179,000; Full time

Job summary

Trinnex in the United States is seeking a Senior Full Stack Developer to join the Digital Solutions team. You will work on modern applications that combine sensor/IoT data, geospatial tech, machine learning, and AI-powered agent systems to solve engineering and environmental challenges.

You will design and implement full stack frontend and backend, API development, and contribute to CI/CD, testing, and deployment.

Qualifications

• Bachelor's degree in a related field or equivalent experience.
• Minimum 5 years of related experience in full stack development.
• Experience designing or contributing to agent-based systems and RAG workflows.
• Strong knowledge of frontend and backend development with modern frameworks.
• Experience with geospatial technologies and API design.

Responsibilities

• Design, develop, and maintain scalable full stack web applications.
• Build, integrate, and optimize REST, GraphQL, and other APIs.
• Contribute to AI-enabled features and agent-based workflows.
• Support CI/CD, deployment, testing, and production readiness.
• Collaborate across cross-functional teams and mentor juniors.

Skills

Full stack development

React

C#/.NET

JavaScript/TypeScript

API design

Geospatial tech

Agent-based systems

RAG patterns

A2A communication

Problem solving

Education

Bachelor's degree

Tools

React

C#/.NET

Node.js

Next.js

Express

ESRI

PostGIS

Mapbox

Kubernetes

Job description

Trinnex in the United States is seeking a Senior Full Stack Developer to join the Digital Solutions team. You will work on modern applications that combine sensor/IoT data, geospatial tech, machine learning, and AI-powered agent systems to solve engineering and environmental challenges.

You will design and implement full stack frontend and backend, API development, and contribute to CI/CD, testing, and deployment.