Senior Engineer (Billing and Payments, AU)

EatClub

About The Position

EatClub is hiring a Senior Engineer to own the flow of money through its platform, from customer payments at venues through payment partners to venue settlements and invoicing. This hands-on role works across payments and billing in Australia, the UK and New Zealand. On payments, the engineer builds and extends customer and partner payment flows in collaboration with a staff engineer who sets their direction. On billing, they lead the squad’s work on settlements, invoicing and collections, partnering closely with Finance. The role focuses on replacing manual processes with reliable, automated systems in a small, high-ownership squad. The engineer will develop payment methods and integrations, improve payment reliability and observability, ensure venues are settled accurately, and build billing capabilities covering fees, tax, invoicing and collections. They will work with Finance to reconcile money end to end, investigate mismatches and production issues, and prevent recurring problems. They will also review code, test financial logic, and mentor a mid-level engineer. EatClub is a hospitality technology company whose platform serves over 4 million customers and more than 8,000 venues. The company describes itself as a 200+ person scaleup and says it was awarded Australia’s Fastest Growing Tech Company by the AFR in 2025.

Requirements

At least 5 years of software engineering experience, including 2 or more years building production payments, billing or other systems where correctness is measured in cents.
Working knowledge of card payments, including authorization, capture, refunds, settlement and potential failure modes.
Hands-on experience integrating with a modern payment provider such as Stripe.
Experience building or operating billing and invoicing systems, including tax and collections.
Understanding of ledgers, double-entry thinking and reconciliation, with the ability to design records for every movement of money.
Strong backend engineering skills in a modern language on cloud infrastructure, including thorough testing of financial logic.
A track record of delivering significant projects end to end in production.
Experience debugging intermittent production issues to their root cause and preventing recurrence.
Ability to work with Finance and Customer Support and translate their problems into system changes.
Fluency with AI development tools and judgment about where they are useful and where they may mislead.

Nice To Haves

Experience at a fintech, payments company or marketplace that settles money to merchants or venues.
Familiarity with acquirer and bank integrations, or payment schemes in Australia, the UK or New Zealand.
Familiarity with GST/VAT and e-invoicing across the company’s markets.
Experience with a serverless AWS stack and event-driven systems.
Exposure to PCI DSS, ISO 27001 or financial audit requirements.
Experience in hospitality technology or an interest in restaurants and dining.

Responsibilities

Build and extend payment flows, including payment methods, partner integrations and improvements to how customers pay at venues.
Investigate payment failures, fix root causes, and improve signals and observability to detect problems.
Ensure venues are settled correctly in every settlement cycle and market.
Build and extend billing systems for invoicing, fees, tax and collections, ensuring venue-facing information matches the ledger.
Work with Finance to reconcile money end to end and resolve discrepancies in the system.
Replace manual processes and support tickets with features across payments and billing.
Deliver payment-flow improvements from initial implementation through production.
Integrate new payment partners and support launches in new markets.
Automate collections and develop reconciliation tooling to trace transactions from payment to invoice to payout.
Review code and protect financial correctness with thorough tests.
Mentor the squad’s mid-level engineer.
Collaborate day to day with Finance and Customer Support, translating their problems into system changes.