Drive the design and implementation of a greenfield billing service, replacing legacy code with modern microservices, strong test coverage, and production-grade observability
Enable other product teams by building and maintaining billing infrastructure they depend on
Triage and resolve billing support tickets, including escalation to the payments team when needed
Collaborate closely with the Accounts Receivable team to translate accounting requirements into engineering solutions
Use AI tools (Claude and/or Cursor) as your primary development environment

Strong system design skills — you can walk through architectural decisions you've made, explain tradeoffs, and think at the infrastructure level
Excellent communication — you can explain technical problems clearly to non-technical stakeholders like accountants and business ops teams
AI fluency — you're comfortable using Claude, Cursor, or similar tools as your main coding interface; you don't just use them occasionally
Proven delivery — you've shipped complex systems, not just features; you can speak to the weight and scope of what you've built
Nice to Have: Experience in FinTech, payments, fraud, or billing systems — adjacent domains like fraud prevention or payment logistics count
Nice to Have: Java or Kotlin background (most of our services are Java/Kotlin; not a hard requirement with AI in the loop)
Nice to Have: Terraform, Datadog, or Splunk experience

Compensation: Competitive base pay tied to role and experience, with opportunities for bonuses, commissions, and equity.
Benefits: Check out our full list at engine.com/culture.
Environments for Success: Different roles have different needs in terms of the environments that drive success which is why we have a hybrid-hub model. Whether you are in one of our amazing offices or fully remote, we’ll make sure you have what you need to succeed.

Senior Software Engineer, Billing

Key skills