Lightspeed Commerce is seeking a Senior Back-end Engineer to join their team in Newmarket, Auckland. The ideal candidate is an experienced developer in Java, PHP, C#, C++, Ruby, or Python, willing to transition to building new Golang microservices. This role focuses on back-end development but may involve front-end work if interested. The position requires high-level performance, strong contributions to the team, and a focus on rapidly building solutions for retailers' problems. Key responsibilities include coding, delivering new features, code reviews, bug fixing, peer programming, and incident response. The tech stack includes web apps in Angular & React, Go services, databases, and Kafka topics, all deployed using Docker in AWS. Lightspeed offers a modern work environment with flexible policies, health benefits, and opportunities for growth. The company values diversity and inclusion, providing a workplace where everyone belongs.