Senior Full-Stack AI & Geo Solutions Engineer

Trinnex; Rochester (MN); On-site; USD 102,000 - 179,000; Full time

Job summary

Trinnex, a Minnesota-based water tech company, is seeking a Senior Full Stack Developer to join its Digital Solutions team. You will work on modern applications that combine sensor/IoT data, geospatial technologies, ML, and AI-powered agents to address water resource challenges.

You'll design and implement scalable frontend and backend platforms, integrate REST and GraphQL APIs, and collaborate across disciplines to deliver production-ready solutions with robust testing and DevOps practices.

Qualifications

• Bachelor's degree.
• 5 years of related experience.
• Equivalent additional directly related experience can substitute for college degree.

Responsibilities

• Design, develop, and maintain scalable frontend and back-end applications.
• Build, integrate, and optimize REST, GraphQL APIs.
• Develop automated testing strategies to ensure reliability and performance.
• Deploy applications through CI/CD pipelines and collaborate with DevOps teams.
• Mentor and collaborate with junior developers across frontend, backend, and integration work.

Skills

Full stack development

React with Context API & Hooks

C#/.NET

JavaScript/TypeScript

API design

Geospatial tech

Education

Bachelor's degree

Tools

ESRI GIS

PostGIS

Mapbox

Kubernetes

CI/CD pipelines

Job description

Trinnex, a Minnesota-based water tech company, is seeking a Senior Full Stack Developer to join its Digital Solutions team. You will work on modern applications that combine sensor/IoT data, geospatial technologies, ML, and AI-powered agents to address water resource challenges.

You'll design and implement scalable frontend and backend platforms, integrate REST and GraphQL APIs, and collaborate across disciplines to deliver production-ready solutions with robust testing and DevOps practices.