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Staff Full-Stack Engineer - AI Ad Tech

On-site Full-time

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Experience Level

Senior

Qualifications

We seek a senior backend engineer who embraces full ownership of complex systems from inception to deployment. The ideal candidate will integrate AI as a fundamental aspect of architecture, having successfully deployed production systems utilizing LLMs and media generation APIs. They should understand when to apply agentic versus deterministic approaches in pipelines. This role requires autonomy, clear communication, early identification of blockers, and the ability to thrive in dynamic environments without rigid structures. Experience in precision-sensitive domains like ad tech, fintech, or healthcare is crucial, along with a proven ability to develop auditable and recoverable systems where errors have serious consequences.

About the job

Katapult Labs seeks a Staff Full-Stack Engineer based in Colombia to join a founding team building an AI-driven ad tech platform for regulated US sportsbooks and casino operators. This partner company, shaped by experience with major sports betting and gaming brands, is developing a Slack-first, AI-native operating layer for advertising. The platform focuses on compliance, creative generation at scale, and data-driven campaign management across channels like Meta, Snapchat, TikTok, and Apple Ads.

Role overview

This role centers on backend architecture and is critical to the early technical direction of the product. As the second core engineer, you will work closely with AI workflows, large language model orchestration, and creative generation pipelines. The position requires hands-on involvement in integrating with external APIs for regulated ad platforms, where accuracy and compliance are essential due to the potential for financial or legal impact.

What you will do

  • Design and build backend systems that support AI-driven advertising workflows
  • Develop and maintain integrations with external ad platform APIs, ensuring safe and compliant operations
  • Collaborate on creative generation pipelines and performance learning features
  • Help shape technical standards for auditability and operational safety in a compliance-sensitive environment

Requirements

  • Experience in full-stack engineering, with a strong focus on backend architecture
  • Background working in ad tech or other environments where compliance and auditability are critical
  • Ability to build systems that are safe by default and support high-stakes, regulated operations
  • Familiarity with AI workflows, LLM orchestration, or creative automation is a plus

About Katapult Labs

Katapult Labs is a cutting-edge nearshore software development agency that harnesses elite talent from Latin America, delivering world-class execution and leadership. With a focus on AI-driven product engineering, Katapult partners with innovative startups and businesses in the U. S., providing essential team-augmentation solutions to meet their engineering needs.

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