AI Full Stack Engineer Intern

Gesture•New York, NY

About The Position

Ready to build real product that ships, including the AI-driven agents shaping what we build next? Join Gesture as an AI Full Stack Engineer Intern, where you will work across our consumer app and Reach360 platform, building agentic features and full stack functionality that touch thousands of real gifting moments. Join Gesture and be a part of revolutionizing the logistical e-commerce and marketing technology industry, where innovation meets passion, and technology shapes the future of consumer-to-brand relationships. At Gesture, we are dedicated to helping our employees discover their passion and purpose while redefining the way people connect and celebrate special moments. We are seeking a curious and driven AI Full Stack Engineer Intern to join our Engineering team in Denver. This internship offers hands-on experience building and shipping features across the frontend and backend of Gesture's products, including agentic, AI-driven workflows, working directly alongside our engineering team on real, production-facing work.

Requirements

Currently pursuing a degree in Computer Science, Software Engineering, or a related field
Some experience with LangChain and/or LangGraph, or other agentic-based development frameworks
Familiarity with the Fern stack (Firebase, Express, React, Node.js) strongly preferred
Experience with Google Cloud Platform (GCP) strongly preferred
Familiarity with a modern front end framework (React preferred) and a back end language (Node.js, Python, or similar)
Understanding of REST APIs, databases, and version control (Git)
Strong problem-solving skills and attention to detail
Self-starter with excellent time management and organizational skills
Comfortable working in a fast-paced environment and adapting to changing priorities
Prior coursework, personal projects, or internship experience in software development, including any exposure to AI or agentic tooling, is a plus

Responsibilities

Learn and Build and ship features across our web and internal tooling stack, front end to back end
Learn and Design and prototype agentic workflows using LangChain or LangGraph
Write clean, tested code in collaboration with senior engineers
Work with our API layer, databases, and front end frameworks to deliver end to end functionality
Participate in code reviews and sprint planning
Debug and resolve issues across the stack, from UI to database
Collaborate with product and design to translate requirements into working software
Contribute to internal documentation and engineering best practices