Backend Developer Intern

Lumen Dynamics 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 30-40 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 May until August with potential to extend based on candidate performance + availability Hybrid work flexibility provided with in-office expectations at least thrice weekly