Senior Backend Engineer — Payments & Reconciliation (Hybrid UK)
Summary
Senior backend engineer at Aviy owning payments infrastructure in London: designing payment integrations across providers and building reconciliation systems that account for every transaction. Requires 8+ years in backend engineering with a strong payments background; hybrid role in a London-based team.
Aviy is seeking a senior backend engineer to own payments infrastructure in London. You will design and deliver payment integrations across providers, and own the systems that prove every transaction is accounted for.
With 8+ years in backend engineering and a strong payments background, you will champion idempotency, retries, and clear discrepancy communication with finance. This role combines autonomy with leadership in a hybrid, London-based team.