Senior Full-Stack Engineer: AI, Geo & Agent Systems

Trinnex; Urbana (IL); On-site; USD 110,000 - 165,000; Full time

Job summary

Trinnex is seeking a Senior Full Stack Developer to join our Digital Solutions team. You’ll work on modern, high‑impact applications that bring together sensor and IoT data, geospatial technologies, machine learning, and AI‑powered agent systems to solve real‑world engineering and environmental challenges.

In this role, you’ll help shape next‑generation intelligent applications, including systems that use autonomous and semi‑autonomous agents, retrieval‑augmented generation (RAG), and agent

Qualifications

• Bachelor's degree.
• 5 years of related experience.
• Equivalent additional directly related experience will be considered in lieu of a college degree.

Responsibilities

• Design, develop, and maintain scalable frontend and back-end applications using modern frameworks and architectures.
• Build, integrate, and optimize REST, GraphQL, and other APIs to support secure, high performing systems.
• Apply best practices in code quality, security, performance optimization, and testing throughout the development lifecycle.
• Contribute to the design and implementation of AI driven features, including agent-based workflows and intelligent application components.
• Support systems that use retrieval augmented generation (RAG), vectorized data access, and contextual retrieval strategies.
• Collaborate on architectures that enable agent orchestration and agent to agent (A2A) communication.
• Develop and execute automated testing strategies to ensure reliability and performance.
• Deploy applications through CI/CD pipelines and partner with DevOps teams to support scalability, monitoring, and production readiness.
• Troubleshoot and resolve complex issues across the application stack.
• Collaborate with developers, designers, DevOps, and domain experts on solution design and feature delivery.
• Conduct code reviews and contribute to continuous improvement of engineering practices.
• Mentor and support junior developers across frontend, backend, and integration work.

Skills

Full stack development

React with Context API and Hooks

C#/.NET

JavaScript/TypeScript

Node.js

Next.js

Express

APIs (REST/GraphQL)

Geospatial technologies (ESRI, PostGIS

Mapbox

AI/Agent-based systems

RAG patterns

A2A communication

CI/CD

GCP

Kubernetes

Education

Bachelor's degree

Tools

Kubernetes

Google Cloud Platform (GCP)

CI/CD pipelines

Job description

Trinnex is seeking a Senior Full Stack Developer to join our Digital Solutions team. You’ll work on modern, high‑impact applications that bring together sensor and IoT data, geospatial technologies, machine learning, and AI‑powered agent systems to solve real‑world engineering and environmental challenges.

In this role, you’ll help shape next‑generation intelligent applications, including systems that use autonomous and semi‑autonomous agents, retrieval‑augmented generation (RAG), and agent