Clojure Software Engineer

Vertex Sigma Software

United States Remote contract

Posted: March 18, 2026

Job Description

We believe every person should be able to interact naturally with the products around them–by simply talking. With a global reach spanning two dozen languages, we build Voice AI products with conversational intelligence for cars, restaurant ordering, and more, allowing our customers to extend their brand in new and meaningful ways.

We’re looking for a Senior Software Engineer to join our Menu Services team. You’ll play a key role in developing and optimizing the systems that power restaurant menus and point-of-sale integrations, enabling seamless AI-powered ordering and management solutions. Your work will directly impact millions of voice AI interactions per year, improving the way restaurants operate and interact with customers.

If you're passionate about AI-driven services, large-scale backend systems, and functional programming, we’d love to hear from you!

In this role, you will:

• Solve ambiguous and open-ended technical challenges.
• Balance customer needs with technical design to deliver value quickly.
• Continuously improve our onboarding and operational excellence capabilities.
• Collaborate with product and platform teams to build world-class systems.
• Work on systems that handle millions of voice AI conversations per year.
• Identify and eliminate sources of toil and inefficiency in systems and processes.

Requirements:
We would love to hear from you if, you have:

• 5+ years of software engineering experience.

• Interest in functional programming (experience with Clojure is a big plus).

• Strong system design skills with an eye for standardizing processes, data and interfaces.

• Experience architecting scalable back-end projects.

• Strong problem-solving skills and a growth mindset—open to learning, feedback, and new challenges.

• Experience working directly with customers to gather feedback and improve systems.

Bonus Points For

• Experience working with AI-driven or voice-enabled applications.

• Experience designing RESTful or GraphQL APIs for high-traffic applications.

• Familiarity with backend infrastructure, APIs, or cloud platforms.

• Experience leveraging LLM’s to write software.

Why Join Us?

• Work on cutting-edge AI products that shape how people interact with technology.

• Build applications at a meaningful scale, impacting millions of real-world interactions.

• 100% remote (US hours), with flexible work arrangements.

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