Product Engineer – Build AI-Powered Revenue Platform

About the role

You’ll help build the AI‑powered revenue platform that lets companies get paid, handling high‑velocity event streams and critical billing infrastructure. You’ll work closely with customers and cross‑functional teams to ship reliable, scalable features.

Key responsibilities

• Build flexible AI‑powered approval workflow routing that customers configure in natural language.
• Develop an intelligent collections agent that automates reminders and escalations based on overdue periods.
• Scale the billing infrastructure tenfold by redesigning storage strategies and horizontal scalability.
• Design systems processing high‑velocity event streams while ensuring reliability and cost efficiency.

Required profile

• Proven experience shipping production backend systems and a focus on reliability.
• Customer‑centric mindset with ability to understand business problems.
• Comfortable working in ambiguous, fast‑moving environments and iterating based on feedback.

Required skills

• Kotlin (including Http4k, Spring Boot, Exposed, Result4k)
• PostgreSQL and BigQuery relational databases
• Google Cloud Platform services (Pub/Sub, Cloud Monitoring, Terraform)
• TypeScript and React for frontend development

What we offer

• Salary £90,000‑£100,000 plus meaningful equity options.
• 25 days holiday plus bank holidays and a modern flexible pension.
• Visa sponsorship and a hybrid work model with three days per week in the London office.