Software Engineer ( C#/.Net)

Kogan.com; City of Melbourne; On-site; AUD 120,000 - 170,000; Full time

Benefits offered by this job

AI-Native Engineering

Learning budget

Health & Wellness program

Learning & Development

Lunch & Learns

Hackathons

Team member referral program

Company events and celebrations

Career development opportunities

Job summary

Kogan.com is seeking an experienced engineer to own and optimise SQL Server performance within our production ERP environment. You will design, troubleshoot, and improve backend C# components to support integrations and fixes, while resolving production issues across databases and services.

You'll work with Finance and Operations, monitor Windows Server and SQL Server health, and contribute to automation and tooling improvements.

Qualifications

• Proficiency using AI assisted development tools to support coding, debugging, testing and problem solving.
• Strong SQL Server expertise: complex queries, stored procedures, views, indexing and performance tuning.
• 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.
• Understanding of APIs and system integrations (REST, service layers, middleware).
• Solid Windows Server and system administration fundamentals.
• 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.

Responsibilities

• Own and optimise SQL Server performance across a production ERP environment, including complex queries, stored procedures, views, indexes, and data integrity checks across large 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

Skills

SQL Server

C#

AI-assisted tools

Backend development

APIs

Tools

Windows Server

Job description

Kogan.com is a pioneer of Australian eCommerce, and the software we build is used by millions of customers every day. You'll join a fast-moving engineering team with real ownership, shipping to production daily and using AI as part of how we work.
In this role you'll work across SQL Server and C# to keep our production ERP environment fast, stable and reliable, fixing issues at the root and supporting Finance and Operations.

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 large 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:

• Proficiency using AI assisted development tools to support coding, debugging, testing and technical problem solving
• 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 Kogan.com?

• AI-Native Engineering: AI is deeply embedded in how our Engineering teams build and operate. We’re moving beyond standalone LLM use into agentic workflows, AI-assisted development and automation integrated into real engineering systems and processes. Engineers have access to leading AI tools, hands-on training and the freedom to experiment with new ways of designing, building and shipping software
• 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 https://devblog.kogan.com/ & https://goodteams.app/teams/kogan.com
• 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
• Learning budget of $1000
• 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!