Software Engineer, Backend

About Mashgin

Mashgin powers the world’s best checkout experience for over 40 million users. Customers just place their items on our kiosks and our AI rings up their entire order in less than a second. With Mashgin, lines are now optional. Our technology powers more than 1 billion transactions at major airports, universities, 4,000 convenience stores and half of all U.S. professional sports teams.

We are a profitable, Series B funded AI startup that values extreme ownership, autonomy, and customer obsession.

We’re looking for a backend developer to build software that runs our kiosks and supports the deep‑learning infrastructure behind them. You’ll work across the full product lifecycle—idea, design, prototyping, execution, and shipping—contributing to multiple codebases in several languages.

• Impact:
  Own significant responsibility and deliver work that directly affects the product we ship daily.
• Simplicity:
  Build solutions that just work.
• Hard Work:
  Prioritize real‑world clarity and accuracy over flashy research.
• Humility:
  Tackle tasks at any level without ego.
• Ruthless Prioritization:
  Focus on the most impactful product improvements.
• Customer Innovation:
  Let innovation drive the product, not client pressure.
• Efficiency:
  Keep meetings short and purposeful.

• Leading major feature development and collaborating directly with founders from end to end.
• Working with a small, interdisciplinary hardware, software, and design team to build new product versions.
• Creating new features and reimagining architecture to solve challenging problems.
• Building backend infrastructure for scalable training in the cloud.
• Refactoring existing codebases for scale.
• Continuously improving and maintaining production code.

• 3+ years of relevant coding experience.
• B.S. or higher in Computer Science (or equivalent work experience).
• Excellent knowledge of one or more of Python, Node.js, C++, Go, C#, Java.
• Comfortable learning new languages, libraries, and frameworks as needed.
• Experience building production‑ready code used by many people.

• Fast‑paced environment experience, shipping quality code quickly and iterating.
• Comfort with deploying and managing cloud infrastructure.
• Strong knowledge of algorithms and data structures.
• Proficiency with SQL and other database technologies.

• Opportunity to work on a small, multidisciplinary team with potential to impact many industries.
• Excellent health, dental, and vision insurance for you and your dependents.
• 401(k) plan.
• Flexible PTO policy.
• Catered lunch in office with fully stocked snacks and beverages.
• Pet insurance for your fur babies.
• Voluntary life insurance plan.
• Competitive salary and options in a small, rapidly scaling company.

Mashgin is proud to be an equal opportunity employer. Individuals seeking employment at Mashgin are considered without regard to race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, gender identity, or sexual orientation.