Full Stack Developer Intern

Walrus•New York, NY

2d•$75,000 - $110,000

About The Position

Join Walrus’s core team to work on its flagship B2B payment verification product, DoubleCheck. The intern will design, build, and own new product modules, potentially involving payments, reputation, and new forms of authentication. As an early-stage company team member, you will contribute to technical solutions and help shape software development practices, team standards, and culture. The role emphasizes thoughtful software design, data-driven product decisions, collaboration, and creating a supportive workplace. Remote work is welcomed; candidates may also work from the company’s NYC location. This is a temporary, full-time-hours internship. The annual base pay is $75,000–$110,000, depending on location and experience.

Requirements

Expected to graduate in December 2027, during 2028, or in spring 2029 with an undergraduate degree in computer science, mathematics, physics, or electrical engineering.
Experience with software testing tools and a commitment to demonstrating that code works.
Strong written communication skills.
Curiosity and interest in teaching and learning from colleagues.
Applicants must be authorized to work for any employer in the United States; the company cannot sponsor or take over sponsorship of an employment visa.

Nice To Haves

Internship or co-op experience designing, building, and deploying sophisticated web applications.
Experience with modern UI frameworks, web standards, and web development best practices.
Detailed understanding of data model design for relational databases.
Experience using cloud infrastructure to deploy reliable and scalable web applications.
Experience building authentication flows or implementing secure APIs.
Experience building or using tools for data analysis, performance profiling, and debugging.

Responsibilities

Design, build, and own new modules for the flagship product.
Develop thoughtful software solutions with attention to bug prevention, testability, and maintainability.
Use evidence and data to inform product design.
Contribute to approaches and standards for software development at an early-stage company.
Collaborate with colleagues and contribute to an energizing, supportive workplace.
Write and maintain product code.