Cardiff
Cardiff
51 – 200 Employees
B2BFinanceFintech
Cardiff is a business finance and fintech company serving small and medium-sized businesses with lending and working-capital solutions. Its product range includes business credit cards, business loans, equipment financing for titled and non-titled transactions, lines of credit, merchant cash advances, and SBA loans. Cardiff works with businesses across sectors such as auto repair, construction, dental care, excavation, landscaping, masonry, plumbing, restaurants, and trucking, helping them fund payroll, equipment purchases, and other operational needs.

Senior AI Product Engineer – Remote, United States

Productionize AI prototypes into dependable software for Cardiff’s small-business lending platform. Build integrations, controls, and workflows that help reduce funding turnaround from hours to minutes.

Description

  • Evaluate prototypes and record whether they should proceed, be revised, or be retired
  • Develop data models, APIs, integrations, error handling, tests, and deployment processes for production-ready software
  • Implement automated testing, secret scanning, and code and dependency checks that support production approval
  • Integrate Cardiff’s systems with external lenders and vendors while normalizing inconsistent data
  • Monitor, maintain, and continuously improve deployed systems
  • Investigate incidents and document the resulting corrective actions
  • Share written progress updates, surface blockers, and align scope and acceptance with business owners
  • Convert AI-generated prototypes into dependable software for Cardiff teams
  • Support lender routing, sales calculators, decisioning workflows, and automation agents
  • Improve processing efficiency and reduce time to funding through measurable delivery outcomes

Requirements

  • Seven or more years of software development experience, including recent hands-on ownership of systems used by real customers
  • Strong production engineering judgment covering testing, security, reliability, monitoring, and incident response
  • Proficiency with Python, JavaScript or TypeScript, SQL, REST APIs, and cloud deployment, preferably on AWS
  • Experience integrating external systems and converting inconsistent inputs into clean, usable data models
  • Practical AI development experience with coding tools, LLM APIs, agents, and evaluations, including careful review of generated code
  • Ability to evaluate existing code, decide what to retain or rebuild, and deliver pragmatic solutions quickly
  • Clear communication and accountability when working directly with the Managing Partner and nontechnical stakeholders

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