Staff+ Backend Engineer

About Yupp

We are a well-funded, rapidly growing, early-stage AI startup headquartered in Silicon Valley that is building a two-sided product -- one side meant for global consumers and the other side for AI builders and researchers. We work on the cutting edge of AI across the stack. Check out our product that was launched recently, and how it solves the foundational challenge of robust and trustworthy AI model evaluations. Here's more information about us .

Why Join Yupp?

Are you ready to have the ride of a lifetime together with some of the smartest and most seasoned colleagues? You’ll work on challenging, large-scale problems at the cutting edge of AI to build novel products that touch millions of users globally, in a massive and growing market opportunity.

Yupp’s founding team is highly experienced and comes from companies like Twitter, Google, Coinbase, Microsoft and Paypal. This team is one of the smartest, most fun, cracked top talent you will ever work with. Our work culture provides a high degree of autonomy, ownership and impact. It’s intense and isn’t for everyone. But if you want to build the future of AI alongside others who are at the top of their game and expect the same from you, there’s no better AI startup to be.

At Yupp, you will experience both the excitement of building for a large scale global user base as well as for the deeply technical audience of AI model builders and researchers. You’ll get immersed in and learn all about the latest and greatest AI models and agents. You’ll interact with AI builders and researchers from other AI labs all around the world.

We are a mostly in-person startup, but we are also flexible – you can usually work from home when you need to and come in and leave when you want to. Many employees work from home on average 1 day a week.

Job Summary : We are seeking a talented and motivated Backend Engineer to join our development team. The ideal candidate will have a strong background in server-side development, a passion for building robust and scalable backend systems, experience in cloud infra and a keen eye for performance optimization. You will work closely with frontend engineers, database administrators, and product managers to develop and maintain high-performance web applications. This role requires strong problem-solving skills, expertise in backend technologies, and the ability to work collaboratively in a fast-paced environment.

Responsibilities

• Design, develop, and maintain server-side logic, ensuring high performance and responsiveness.

• Integrate user-facing elements developed by frontend engineers with server-side logic.

• Implement data storage solutions and manage databases.

• Build and maintain cloud infrastructure

• Optimize applications for maximum speed and scalability.

• Collaborate with frontend engineers, product managers, and other team members to define and deliver new features.

• Troubleshoot and debug applications to resolve any issues.

• Write clean, maintainable, and well-documented code.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience) with at least 15 years of experience.

• Strong proficiency in server-side programming languages (e.g., Python, Go)

• Experience with database management systems (e.g., MySQL, PostgreSQL, MongoDB)

• Knowledge of cloud services and infrastructure (e.g., GCP)

• Familiarity with version control systems (e.g., Git).

• Excellent problem-solving skills and attention to detail.

• Strong communication and collaboration skills.

• Passion for building robust and scalable backend systems

Preferred Qualifications

• Knowledge of testing frameworks

• Experience with performance optimization techniques.