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 applications using Docker and deploy to Kubernetes clusters on AWS
Work cross-functionally with product, design, and other engineering teams to deliver solutions that meet customer needs
Stay current with emerging technologies and industry best practices, recommending and implementing improvements to our tech stack
Evaluate and incorporate AI tooling to improve automation, increase quality, and reduce bottlenecks

About You

Technical Leadership - Provide technical direction and influence product decision through sound architectural judgement
Communication - Articulate technical concepts clearly in both written and verbal form when interacting with your team and stakeholders across the business.
Problem Solving - Approach complex technical challenges with curiosity and a systematic mindset, seeking to understand root causes before implementing solutions
Expertise - Passion for software engineering craft and in particular back end development. You will have significantly contributed to the engineering of production-grade microservices.
Adaptability - Respond quickly to changing business priorities and working conditions.
Values - Consistently demonstrate mx51 values in all aspects of your work and collaboration.

What we offer

You will be joining an incredible team who are committed to our vision and company values. Our innovative culture gives you opportunities to make real contributions that will shape the future of the business. In addition to a fun and flexible work environment, we also offer:

Work from overseas up to 4 weeks per year
Annual team offsite
Social events run by our social committee
Swap a public holiday and take an alternative day off
Paid leave for volunteering
Employee Share Option Plan (subject to invitation)
Paid parental leave for primary and secondary carers
Novated lease and salary sacrifice options

mx51 is an equal opportunity employer that is committed to creating a diverse and inclusive environment. All qualified applicants will receive consideration for this role without bias to race, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability or age.

Note: mx51 does not accept unsolicited resumes or applications from recruitment agencies.

Senior Backend Engineer (Golang)

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