Technical Lead (C#)

About the opportunity

Join our Global Technology Team as a Technical Lead, working remotely from anywhere in New Zealand. In this role, you will lead the evolution of our next-generation billing and settlement platform within a global, full-stack payment processing ecosystem.

Every architectural decision you make, every service you design, and every improvement you deliver will directly enhance the reliability, scalability, and security of a platform that supports merchants and partners worldwide. You will report to the Director of Software Engineering and play a key role in shaping the technical direction of our payments domain while mentoring engineers and strengthening engineering standards.

This is an opportunity to expand your architectural influence, elevate team capability, and contribute to a platform designed for scale, performance, and long-term growth. Some of the other responsibilities include: 

What you'll be doing:

You will balance hands-on engineering with technical leadership across the full software development lifecycle.

• Lead the design and development of scalable C# services and secure RESTful APIs that power our billing and settlement systems.

• Contribute directly to core services and critical platform functionality while guiding architectural direction.

• Improve system performance, reliability, and scalability to support high-volume transaction processing.

• Drive engineering excellence through code reviews, architectural discussions, and technical mentoring.

• Strengthen test coverage through comprehensive unit and integration testing to increase deployment confidence and system stability.

• Diagnose and resolve complex production issues using structured debugging and root cause analysis.

• Collaborate with Product Management, Site Reliability Engineering, and cross-functional teams to deliver high-quality, resilient solutions.

• Contribute to technical estimation, solution design, and implementation planning for new features and platform improvements.

• Champion continuous improvement across tooling, observability, and engineering practices.

• Mentor and support engineers, helping grow capability and elevate technical standards across the team.

Success in this role will include delivering high-quality platform enhancements, improving system maintainability and performance, and strengthening the technical capability of the team.

Location: In this position, you can work from home 100% from anywhere in New Zealand, provided you have full working rights.