Senior Backend Engineer

mx51 is a payments-as-a-service solution for banks, non-bank acquirers, and other merchant service providers. We are building a payment platform that allows merchants to accept payments in-store, in-app and online, whilst consolidating all their data on a real-time business management dashboard.
As a Senior Backend Engineer within the mx51 Backend team, you will be instrumental in the delivery of key projects for the business. You will play a vital role in developing our platform utilised by major financial institutions across Australia.
In This Role, You Will
Develop, and maintain high-throughput, fault-tolerant microservices written in Go to support our backend infrastructure
Create and optimise RESTful and gRPC APIs, ensuring scalability and performance
Implement robust data models and query optimisations for PostgreSQL databases
Drive continuous improvement in code quality through code reviews, testing, and refactoring
Collaborate with DevOps to containerize ap...