Product Engineer

About the role

25madison is a New York‑based venture studio and investment platform looking for a product‑minded engineer who can turn ambiguous problems into working software. Reporting directly to the CTO, you will work hands‑on across multiple startups, shaping what to build, implementing solutions, and monitoring performance with customers.

Key responsibilities

• Take product ideas from concept to production, delivering prototypes and iterating based on business growth.
• Collaborate with founders, designers, and customers to understand workflows, challenge assumptions, and prioritize features.
• Own end‑to‑end development across the stack, including interfaces, backend services, data models, integrations, and AI‑enabled workflows.
• Handle testing, deployment, and production reliability while using AI coding tools to extend delivery capabilities.

Required profile

• Proven track record of shipping and maintaining production software used by real users.
• Strong engineering fundamentals across frontend, backend, APIs, databases, and cloud infrastructure.
• Extensive experience with AI coding tools for building, testing, debugging, and refactoring code.
• Product empathy: ability to assess whether a solution makes a user’s job easier and iterate based on feedback.
• High agency and clear communication: identify needs, propose paths, surface blockers early, and take ownership of outcomes.

Required skills

• Frontend development
• Backend development
• API design and integration
• Database design and management
• Cloud infrastructure (e.g., AWS, GCP, Azure)
• AI‑assisted coding tools