Back-End Software Engineer Intern

PayPal

internship

Posted on: 10/3/2025

Location Type: Hybrid

Location: San Jose • Arizona, California, Illinois, Texas • 🇺🇸 United States

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💰 $26,000 - $55,000 per hour

Entry Level

AWSDjangoFlaskGoHerokuJavaJavaScriptMongoDBMySQLNode.jsNoSQLPostgresPythonRubySQLTypeScript

About the role

Code high-volume and scalable software.
Partner closely with cross-functional teams which may include front-end developers, design, product, and other business units.
Write clean, scalable, and maintainable code in languages such as Python, Java, or Node.js.
Develop and maintain databases, ensuring data integrity and performance optimization.
Participate in code reviews and contribute to the improvement of internal coding standards and best practices.
Assist in troubleshooting, debugging, and optimizing performance of back-end services.

Proficiency in at least one back-end language: Python (with Flask or Django), JavaScript/TypeScript (with Node.js/Express), Java, C#, Ruby, Go, etc.
Experience with SQL (e.g., PostgreSQL, MySQL)
Familiarity with NoSQL databases (e.g., MongoDB) is a plus.
Understanding of RESTful API design and ability to build and consume APIs (JSON, HTTP methods, etc.).
Familiarity with using Git/GitHub for code collaboration.
Knowledge of web servers and platforms like Heroku, Render, AWS, or Vercel.
Basic understanding of handling user logins (JWT, OAuth, sessions).

Benefits

Tip: use these terms in your resume and cover letter to boost ATS matches.

PythonJavaNode.jsC#RubyGoSQLPostgreSQLMySQLRESTful API

collaborationtroubleshootingdebuggingperformance optimizationcode reviewclean code practices