Is a pioneer of Australian eCommerce. We are a dynamic and rapidly growing business. Our team believes in using & building technology to improve the online shopping experience for our customers. We are pragmatic, intelligent, fast paced and driven by seeing our software shipped to production daily.
The software we build - including - is used by millions of customers, so this role has a huge impact. You'll be a key member of a team that is fast-paced, independent, ambitious and proficient across the full tech stackThe Mobile Apps team you will be joining is a core part of our digital product and technology team at Our team is fast-paced, independent, ambitious and have end to end ownership of the site, the Android native application, and Kogan Shopping Android native application.
We are looking for a Backend Engineer with strong SQL Server and C# experience to support and enhance a business-critical ERP environment at This is a great opportunity to work on high-impact systems that underpin a major Australian eCommerce business, where you'll be trusted to solve complex backend challenges, improve data integrity across huge distributed datasets, and deliver long-term improvements in a fast-moving production environment.
What you'll do:
Own and optimise SQL Server performance across a production ERP environment, including complex queries, stored procedures, views, indexes, and data integrity checks across huge distributed datasets.
Design, troubleshoot, and improve backend application components in C# to support integrations, fixes, and enhancements.
Investigate and resolve production issues across databases, applications, integrations, and huge distributed datasets, focusing on root-cause analysis and permanent fixes.
Support and maintain ERP integrations and APIs, including REST-based services and service layers.
Monitor system health across Windows Server and SQL Server, proactively addressing performance, stability, and security issues.
Manage database-related operational tasks including backups, restores, upgrades, patching, and capacity planning for huge distributed datasets.
Work closely with Engineering, Finance, and Operations teams to prioritise issues and ensure reliable system operation.
Provide second and third-line support, producing clear documentation for incidents, fixes, and repeatable support processes.
Assist with finance-critical data accuracy requirements, including reconciliations, postings, journals, and inventory updates.
Contribute to automation and continuous improvement initiatives across support tooling, monitoring, and processes.
What you'll need:
Strong SQL Server expertise: writing and optimising complex queries, stored procedures, views, indexing strategies, and performance tuning across huge distributed datasets.
Hands-on experience with C# in production environments, building and supporting backend systems.
Experience supporting data-heavy or business-critical systems, ideally in ERP, finance, or operations domains.
Understanding of APIs and system integrations (REST, service layers, middleware).
Solid Windows Server and system administration fundamentals, including monitoring, patching, backups, and security.
Proven troubleshooting skills in live environments, including logs, databases, integrations, and huge distributed datasets.
Ability to manage multiple issues and stakeholders with strong prioritisation and time management skills.
Clear communicator who can collaborate effectively with technical and non-technical teams.
Analytical mindset with a focus on continuous improvement, automation, and long-term solutions over quick fixes.
Why
Our culture is unlike anywhere else and regardless of where you are in your career journey, we empower you to do your best work and have a big impact. Check us out &
Work with an incredible team to solve important challenges, helping to drive Australia and New Zealand's eCommerce future
Your role has a lot of ownership, autonomy and little red tape. You'll be empowered to achieve positive outcomes and your work will have a real impact.
You'll be at the forefront of the eCommerce industry and be part of a company that are the Pioneers of eCommerce in Australia
Be an Intrepreneur, playing a hands on role in shaping our strategy at our HQ
A range of employee benefits such as; complimentary Kogan First Membership, team exclusive discounts, Health & Wellness program, Learning & Development and Lunch & Learns, Hackathons, Team member referral program, Company and team events and celebrations, community engagement (volunteering) and extensive career development opportunities plus loads more