Job Description

Engineering Intern

Location: U.S. / Cincinnati, OH

About LISNR

LISNR powers contactless, secure data transmission using ultrasonic audio. As we scale globally across mobility, transit, and fintech, we’re expanding our Customer Success and Implementation capacity to ensure high-performance deployment and client satisfaction in our core markets: India, LATAM, Europe, and North America.

Role Summary

We are looking for a highly motivated and technically strong Engineering Intern to join our team for a fall internship. This isn’t your average intern project—this is a high-impact systems engineering challenge centered around improving how we manage and share database models across multiple projects.

You’ll work to design and implement a centralized, version-controlled package for managing our database module, to be used across our projects. This will include working with DTOs, ORMs, migration scripts, and others, using Postgres.. Your work will significantly streamline development across teams, reduce manual errors, and improve system resilience.

What You’ll Do

Over the course of the internship, you’ll:

• Learn LISNR’s architecture and development practices.
• Propose a technical solution to a current platform challenge.
• Implement and test your solution in a production-adjacent environment.
• Present your completed work to engineering and cross-functional stakeholders.
  
   

This project is ideal for someone who enjoys backend engineering, systems design, and thinking about how code is structured, shared, and scaled.

What We’re Looking For

Required Qualifications:

• Currently pursuing a Bachelor’s in Computer Science or related field (Junior, Senior, or Graduate level)
• Knowledge or course experience of:
  • Data Structures & Algorithms
  • Database Systems (focused on SQL and application integration)
  • 1+ years of Python experience, including experience with object-oriented programming.
    Familiarity with version control via Git: branching, merging, pull requests, etc.
    
     

Preferred/Bonus Skills:

• Experience with SQLAlchemy or similar Python ORM frameworks.
• Exposure to asynchronous programming (e.g., async/await in Python).
• Prior experience contributing to or maintaining packages or shared codebases.
• Familiarity with software architecture design and writing technical documentation.
  
   

Why This Internship?

This is not a generic testing internship. You’ll own a real infrastructure problem with clear company-wide value, gain mentorship from experienced engineers, and leave with a completed project that showcases real-world impact on production systems. Interns who excel may also be considered for future full-time opportunities.

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LISNR INC. reserves the right to change or modify job duties and assignments at any time. The above job description is not all encompassing. Position functions and qualifications may vary depending on business necessity.

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