Principal Software Engineer

Principal Software Engineer

Location : Auckland, New Zealand

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We’re looking for a Principal Software Engineer to join our team in Auckland. As a hands‑on Principal Software Engineer, you’ll shape the design and architecture of Lightspeed Retail’s core systems, powering thousands of merchants worldwide. You’ll lead by example, building innovative solutions that solve real customer problems while elevating engineering excellence across the organisation through mentorship, best practices, and sustainable architecture.

The ideal candidate for this role is passionate about software development and driven by a customer‑first mindset. You thrive in a team environment, supporting and mentoring others while taking ownership of complex features and exploring new technologies.

What You’ll Be Doing

• Ensure systems built to support new initiatives are thoughtfully designed, scalable, and maintainable.
• Analyse existing systems and infrastructure to identify opportunities for architectural improvements, reduce duplication, and enhance system performance and robustness.
• Recognise recurring patterns that lead to incidents or non‑project overhead and develop actionable plans to address and prevent them.
• Drive continuous improvements in system reliability, scalability, and overall performance.
• Elevate development practices across the team, from design reviews and testing to deployment and incident management.
• Conduct architectural deep-dives and provide mentorship to key engineers across all service teams.
• As a senior member of the engineering team, contribute to building and sustaining a high‑performance, growth‑oriented culture within the Retail organisation.

Contributing as Part of the Wider Team

What You Need To Bring

What’s in it for you?

Employment Details

Seniority level : Mid‑Senior level

Employment type : Full‑time

Job function : Engineering and Information Technology

Industries : Software Development

Equal Opportunity Statement

Please note that we ask applicants to disclose any criminal convictions, and we conduct criminal record checks as part of our hiring process for this role.

To all recruitment agencies : Lightspeed does not accept unsolicited agency resumes. If we have not directly engaged your company in writing to supply candidates for a specific vacancy, Lightspeed will not be responsible for any fees related to unsolicited resumes.

Lightspeed is a proud equal opportunity employer and we are committed to creating an inclusive and barrier‑free workplace. Lightspeed welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.

About Lightspeed

Lightspeed is building communities through commerce, and we need people from all backgrounds and lived experiences to do that. We were founded in 2005, in Montreal’s gay village and our original members were all part of the LGBTQ+ community. The ethos of our business has been about inclusion from the very beginning, and we strive to provide a workplace where everyone belongs.

Powering the businesses that are the backbone of the global economy, Lightspeed's one‑stop commerce platform helps merchants innovate to simplify, scale, and provide exceptional customer experiences. Our cloud commerce solution transforms and unifies online and physical operations, multichannel sales, expansion to new locations, global payments, financial solutions, and connection to supplier networks.

Founded in Montréal, Canada in 2005, Lightspeed is dual‑listed on the New York Stock Exchange (NYSE : LSPD) and Toronto Stock Exchange (TSX : LSPD). With teams across North America, Europe, and Asia Pacific, the company serves retail, hospitality, and golf businesses in over 100 countries.

Lightspeed handles your information in accordance with our Applicant Privacy Statement.

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