Backend Developer Intern New New York, New York

Eulerity, Inc.; New York, Northern (NY, KY); On-site; USD 23,000 - 26,000; Part time

Benefits offered by this job

Mentorship with peer reviews

Unlimited snacks

Office lunch credit

Copilot access to frontier LLMs

Job summary

Eulerity, Inc. in the NYC area seeks a backend engineering intern to develop and maintain our AI-assisted services, partnering with AI agents to accelerate work and deliver features from design to deployment.

You will prototype features with Copilot and frontier LLMs, integrate with third-party APIs, and collaborate across teams while contributing to documentation and training. The internship runs May–August with mentorship and in-office perks.

Qualifications

• Hands-on experience with AI agents (e.g. Claude, Copilot) to build, debug and improve software.
• Experience with LLMs, AI agent frameworks, or AI-assisted product development.
• At least 1 year of experience building backend solutions with Java.
• Strong willingness to learn and deepen knowledge of AI tools and their applications.

Responsibilities

• Develop, test, and maintain backend services; leverage AI agents to accelerate work.
• Implement new features from design to deployment.
• Prototype and iterate on product ideas using AI tooling.
• Collaborate with other teams on features and releases.
• Assist with documentation, training, and support of systems.

Skills

AI agents experience

LLMs & frameworks

Java backend

learn continuously

problem solving

team collaboration

API integration

communication skills

Tools

Copilot

AI tooling

Job description

Eulerity is a rapidly growing technology company revolutionizing marketing automation for small businesses and franchises with our industry-leading proprietary software. We were founded by leaders from Google, Facebook and Yahoo! with more than 20 years of digital advertising, engineering and marketing experience.

Your Role:

• Take an active role in developing, testing, and maintaining our backend services — leveraging AI agents to accelerate and improve your work
• Implementing new features, starting from design to deployment
• Help come up with new features and product ideas, using AI tooling to prototype and iterate quickly
• Collaborate with other teams on features and releases
• Assist with the preparation of documentation, training, and support of various systems

About You:

• You have at least hands-on experience working with AI agents (e.g. Claude, Copilot, Cursor, or similar coding agents) to build, debug, and improve software
• Experience with LLMs, AI agent frameworks, or AI-assisted product development (you've actually used these, not just read about them)
• At least 1 year of experience building backend solutions with Java
• You have a strong willingness to continuously learn, experiment with, and deepen your knowledge of AI tools and how they can be applied to real engineering challenges
• You understand how to use agents and LLMs to find the right resources, generate and review code, and solve problems more effectively
• You enjoy coming up with creative solutions to complex problems
• Comfortable integrating with third-party APIs
• Able to work in conjunction with other team members
• Great communication skills and a friendly disposition

Requirements:

• Based in the NYC tri-state area
• Able to commit minimum 20 hours per week
• Pay $17-$19/hour
• Mentorship with regular peer review sessions
• Unlimited snacks and an in office lunch credit.
• Full GitHub Copilot access with frontier LLMs and coding agents from Anthropic, Google, and OpenAI — keeping you equipped with the best AI tooling available
• The internship will run from May until August with potential to extend based on candidate performance + availability

Hybrid work flexibility provided with in-office expectations at least once weekly