Senior Full Stack Engineers (.NET / React / AWS/ AI Tools)

X2 Senior Full Stack Engineers (.NET / React / AWS/ AI Tools) $160,000 - $170,000 + Super Sydney | Hybrid (1 day per week in the office) Join an established Australian SaaS business looking to expand the tech looking for x2 Senior Full Stack Engineers to help lead that next phase. 20 people in tech team overall What you'll be working on: Building customer-facing SaaS products used by thousands of businesses globallyDeveloping modern React front ends and .NET backend servicesDesigning scalable cloud-native applications on AWSWorking across the full software lifecycle from architecture through to productionMentoring engineers and helping raise engineering standardsBuilding AI-assisted software delivery practices across the teamInfluencing how AI becomes part of everyday engineering, not just product features Tech: C#.NETReactAWS- IAC, Build it, own it, run it!TerraformGitHub ActionsNode.js (some services)REST APIsModern AI tooling including Claude Code What they're looking for: You'll have strong commercial experience building modern applications with .NET and React, along with exposure to AWS ideallyBeyond the technical stack, they're looking for engineers who think about software design, enjoy mentoring others and take ownership of what they build.Most importantly, they're looking for people who embrace AI.You don't need to come from an AI or machine learning background, but you should already be using modern AI development tools or have experience building AI-powered functionality into commercial software.If you're the type of engineer who's already using Claude Code, Cursor, GitHub Copilot or similar as part of your daily workflow, you'll fit in well here. Why this role? Only 1 day per week in the Sydney officeModern React /.NET / AWS environmentEngineers own their services from design through deploymentGenuine autonomy with empowered engineering squadsOpportunity to influence engineering standards and mentor othersAI is already embedded into the engineering culture, not just a buzzwordMultiple greenfield initiatives planned over the next 12 months If you're a Senior Full Stack Engineer looking for a team that's genuinely embracing modern software engineering and AI-enabled development, I'd love to have a confidential chat.