Senior Full Stack Engineer: AI‑Driven Water Tech

Trinnex; Butte (MT); On-site; USD 102,000 - 179,000; Full time

Job summary

Trinnex is seeking a Senior Full Stack Developer to join its Digital Solutions team. You’ll work on modern applications integrating sensor/IoT data, geospatial tech, ML, and AI-powered agents to tackle engineering and environmental challenges.

You will design, develop, and maintain frontend and backend systems, build APIs, and collaborate across a cross-functional team. The role includes deploying through CI/CD pipelines and mentoring juniors.

Qualifications

• Bachelor's degree.
• 5 years of related experience.
• Equivalent additional directly related experience considered in lieu of a college degree.
• Domestic and/or international travel may be required.

Responsibilities

• Design, develop, and maintain scalable frontend and back-end applications using modern frameworks.
• Build, integrate, and optimize REST, GraphQL, and other APIs for secure, high performing systems.
• Apply best practices in code quality, security, and testing throughout the lifecycle.
• Contribute to AI driven features, including agent-based workflows and RAG.
• Collaborate on architectures enabling agent orchestration and A2A communication.
• Develop and execute automated testing strategies and CI/CD deployments.
• Troubleshoot and resolve complex issues across the stack.
• Mentor and support junior developers across frontend, backend, and integration work.

Skills

Full stack development

React

C#/.NET

JavaScript/TypeScript

API design

Geospatial tech

AI/Agent based systems

RAG patterns

CI/CD

DevOps collaboration

Education

Bachelor's degree

Tools

Kubernetes

CI/CD pipelines

GCP

PostGIS

ESRI

Mapbox

Job description

Trinnex is seeking a Senior Full Stack Developer to join its Digital Solutions team. You’ll work on modern applications integrating sensor/IoT data, geospatial tech, ML, and AI-powered agents to tackle engineering and environmental challenges.

You will design, develop, and maintain frontend and backend systems, build APIs, and collaborate across a cross-functional team. The role includes deploying through CI/CD pipelines and mentoring juniors.