Summer 2025: Full Stack Engineer Internship

Greystone is a private national commercial real estate finance company with an established reputation as a leader in multifamily and healthcare finance, with over $13 billion in loan originations in 2023. The firm consistently ranks in the Top 10 for Fannie Mae & Freddie Mac multifamily loan originations and is the #1 Overall HUD Multifamily and Healthcare Lender in the country. Greystone also ranks nationally as a top affordable housing, seniors housing, and small balance loan lender. A highly philanthropic company, Greystone donates more than half of its profits to charity each year.

At Greystone, everything we do is driven by our purpose of improving others’ lives. As we work hard to maintain our ranking as a top national commercial real estate lender, our culture of caring and support is just as important. We don’t just say “Where People Matter” – we lead with this mantra every day to guide our actions and behaviors. Greystone is committed to fostering, cultivating, and preserving a culture of inclusion through recruiting and career development practices, creating equity companywide, and exemplifying belonging. Diversity, Equity, and Inclusion is at the heart of our culture of caring, integrity and excellence, and is a driving force behind our entrepreneurial spirit and creativity.  

Greystone Tech has a heavy bias towards action and experimentation. We expect every team member to have a very healthy curiosity and be resourceful, coachable, pragmatic, and self-directing. It is our job to imagine, anticipate, and engineer the future of commercial lending. From frictionless UI/UX web applications to AI-driven platform tools, due diligence automation, and data-driven credit underwriting, every facet of commercial lending is in our purview.

We are seeking a motivated Full Stack Engineer Intern to assist with the development of several web applications. You will have the opportunity to work on both front-end and back-end tasks, gaining exposure to the full product lifecycle. This internship offers hands-on experience in building modern web apps, collaborating with cross-functional teams, and contributing to new projects.

As an intern, you’ll join a collaborative and dynamic environment where fresh ideas are welcomed, and personal ownership is highly valued. We believe that every interaction—whether with a client, colleague, or partner—should leave a positive impact.

Primary Duties and Responsibilities: 

• Assist in developing React components for web applications.
• Support the creation of API endpoints and architect backend solutions.
• Help implement authentication flows and ensure security best practices.
• Query and interact with both SQL and NoSQL databases.
• Collaborate with UX designers on design planning and prototyping.
• Write readable and concise code following best practices.
• Participate in code reviews and help write unit and integration tests.
• Contribute to discussions on design, architecture, and state management.

Experience, Skills, and Abilities Required: 

• Currently pursuing or recently completed a degree in Computer Science, Software Engineering, or a related field
• Basic knowledge of JavaScript (ES6) React, and Python.
• Familiarity with state management concepts (e.g., Redux, React Context).
• Experience working with APIs and understanding of MVC architecture (e.g., Django or FastAPI).
• Understanding of authentication flows and security practices.
• Knowledge of Git operations and basic version control practices.
• Familiarity with SQL/NoSQL databases and how to query them.
• Interest in cloud deployment and containerization (e.g., Docker) is a plus.

Why Join Us? 

• Gain practical, hands-on experience building full-stack applications.
• Work closely with engineers, product managers, and UX designers to develop impactful products.
• Be part of a supportive and innovative environment where new ideas are encouraged.
• Build your technical and professional network through real-world collaboration.
• Opportunity to contribute to meaningful projects and leave a positive impact on the future of commercial lending.

At Greystone, we believe that finding creative solutions for our clients comes from the collaboration of people with diverse backgrounds and perspectives. We strive to build an inclusive work environment that celebrates differences and empowers all individuals with opportunities to channel their entrepreneurial spirit. Greystone is an EEO employer.

Interns hired in NYC for summer 2024 will be compensated at $27/ hour. 

*The firm is the #1* overall HUD multifamily and healthcare lender by firm commitments, and a top 10 Fannie Mae and Freddie Mac multifamily real estate lender.*  

*For HUD's 2024 fiscal year ending September 30, 2024. Based upon combined firm commitments received by Greystone Funding Company LLC and Greystone Servicing Company LLC and excludes risk sharing and hospital loans.*