Senior Full Stack AI & Geo Systems Engineer

Trinnex; Bangor (ME); On-site; USD 102,000 - 179,000; Full time

Job summary

Trinnex is seeking a Senior Full Stack Developer to join our Digital Solutions team in the United States. You’ll work on modern applications that combine sensor and IoT data, geospatial tech, ML, and AI-powered agents to solve engineering and environmental challenges.

You will design across the stack, collaborate with a cross-functional team, influence technical direction, and deliver scalable, production-ready solutions, with emphasis on RAG, agent orchestration, and secure APIs.

Qualifications

• Bachelor's degree.
• 5 years of related experience.
• Equivalent additional directly related experience may be considered in lieu of a college degree.
• Domestic and/or international travel may be required.
• Travel frequency is contingent on duties and project demands.

Responsibilities

• Design, develop, and maintain scalable frontend and backend applications.
• Build, integrate, and optimize REST, GraphQL, and other APIs for secure, high-performing systems.
• Design AI-driven features, including agent-based workflows and intelligent components.
• Deploy applications through CI/CD and collaborate with DevOps for scalability and production readiness.
• Mentor and support junior developers across frontend, backend, and integration work.

Skills

Full stack development

React (Context API & Hooks)

C#/.NET

JavaScript/TypeScript

API design

Geospatial tech

Agent-based systems

RAG patterns / A2A

AI tooling

Mentoring

Education

Bachelor's degree

5 years related experience

Tools

Kubernetes

CI/CD

Google Cloud Platform

AI tooling

Multi-agent orchestration

Job description

Trinnex is seeking a Senior Full Stack Developer to join our Digital Solutions team in the United States. You’ll work on modern applications that combine sensor and IoT data, geospatial tech, ML, and AI-powered agents to solve engineering and environmental challenges.

You will design across the stack, collaborate with a cross-functional team, influence technical direction, and deliver scalable, production-ready solutions, with emphasis on RAG, agent orchestration, and secure APIs.