Senior AI Engineer

Responsibilities

• Design and ship AI agent systems end-to-end, from early experiments to production
• Own the data access layer, retrieval strategy, and integration with existing infrastructure
• Build and own a custom evaluation framework from scratch, including golden datasets and regression harnesses
• Set the technical direction for AI architecture and identify high-leverage AI opportunities across the product
• Collaborate with the AI Product Lead and Platform team to raise engineering standards through peer review and documentation

Requirements

• 5+ years of software engineering experience
• 2+ years of experience working with LLM or AI agent systems in production
• Deep expertise in agent architecture, including context management, tool use, and retrieval strategies
• Proven experience building evaluation frameworks and performing retrieval vs. generation failure analysis
• Comfort working across the full stack
• Strong written communication skills with the ability to explain technical decisions to non-technical stakeholders

Preferred Qualifications

• Background in fintech, payroll, HR tech, or benefits
• Experience with AWS, .NET, Azure, or the Microsoft ecosystem
• Experience generating synthetic evaluation data to bootstrap coverage
• Experience working in early-stage or scale-up environments

Benefits

• Health Insurance via Kota with a generous allowance
• Workplace Pension with matched contributions up to 5%
• WFH stipend to support your home office
• 25 days of Paid Time Off
• Annual company-wide and dedicated team offsites
• Attractive stock options for all employees

About the Company

Kota is reimagining insurance and retirement benefits for the modern workforce. Through our flagship products, Kota Platform and Kota Embed, we are making benefits more accessible, valued, and global. We power benefits for tens of thousands of employees at Europe's most forward-thinking companies and work as a fully remote, global team.