Backend Developer Intern

Eulerity; New York (NY); Hybrid; USD 23,000 - 26,000; Full time

Benefits offered by this job

Mentorship with regular peer reviews

Unlimited snacks and lunch credit

Full GitHub Copilot access with front‑

Frontier LLMs and coding agents

Job summary

Eulerity is offering a backend internship in the NYC area, focused on developing, testing, and maintaining our AI-augmented services. You will build features from design to deployment and prototype new ideas using AI tooling.

You will work with cross-functional teams, document systems, and support operations. The role requires at least 1 year of Java backend experience and a readiness to learn in a fast-paced environment; hybrid in-office schedule with weekly presence.

Qualifications

• Based in the NYC tri-state area.
• Able to commit minimum 20 hours per week.
• At least 1 year of experience building backend solutions with Java.
• Experience with AI agents or AI tooling is required.
• Comfortable integrating with third-party APIs.

Responsibilities

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

Skills

Java backend

AI tooling

Team collaboration

Communication

Problem solving

Third-party APIs

Education

Pursuing Computer Science degree

Tools

GitHub Copilot

Anthropic

OpenAI

LLM frameworks

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

Benefits

• 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

Internship Details

• The internship will run from September until December with potential to extend based on candidate performance + availability for the Spring session.

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