Backend Developer Summer Intern

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.

• 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

• You have at least 1 year of 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 working with third-party APIs
• Able to work in conjunction with other team members

• Currently a student graduating in Dec 2026 or later
• Based in the NYC tri-state area
• Able to commit minimum 30 hours per week

• 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 twice per week