Senior .NET Developer

Job Description

Employment Type: Full time

Qualifications

• Appropriate university degree in Computer Science, Software Engineering, or a related field, or equivalent practical senior-level experience
• 5+ years of commercial .NET development experience using C# and ASP.NET Core
• At least 3 years of experience working on a complex multi-tenant SaaS product
• Solid understanding of RESTful API design, SQL databases, and ORM frameworks such as Entity Framework
• Proficiency in React or Angular for building and maintaining complex SaaS UI components
• Experience with cloud platforms, preferably Azure
• Experience with CI/CD pipelines
• Proven Agile/Scrum experience, including leading sprint ceremonies or mentoring junior developers
• Experience with Git and code review processes
• Professional experience using AI coding tools such as Windsurf, Cursor, Claude, Devin, GitHub Copilot, or equivalent
• Ability to critically evaluate AI-generated code for correctness, security, and maintainability
• Comfortable working in an AI-first engineering culture with continuously evolving tools and workflows
• Excellent written and verbal English communication skills
• Excellent technical .NET coding ability
• Strong critical thinking, curiosity, and async collaboration skills
• Senior-level experience owning significant features or subsystems in a complex SaaS product
• Experience reviewing and validating AI-generated code in a production codebase is highly regarded
• Prior experience mentoring or technically leading developers is an advantage

Responsibilities

• Own significant features and subsystems on the Atlas SaaS platform from technical design to production deployment using C# and .NET
• Use Cursor as the primary agentic IDE to navigate the platform, generate context-aware code, refactor, and implement features across multiple files
• Delegate well-scoped engineering tasks to Devin, including test generation, dependency upgrades, bug reproduction scripts, and documentation updates
• Review, validate, and mentor AI-generated output before merging to production branches
• Use Claude for technical reasoning, architecture decision drafting, code review assistance, documentation, and design trade-off evaluation
• Collaborate with the Sydney-based Engineering Manager and team to plan, estimate, and deliver product features in Agile/Scrum
• Contribute to technical roadmap discussions and help shape engineering best practices
• Write clean, testable code and participate in peer code reviews, including critical review of AI-generated code
• Troubleshoot and resolve platform defects while using AI tools to accelerate root cause analysis and candidate fixes
• Integrate third-party APIs and internal microservices based on product roadmap requirements
• Write and maintain unit and integration tests using AI to support scaffolding, edge-case scenarios, and coverage reporting
• Act as an AI tooling advocate by staying current with developer AI tools, running experiments, and sharing learnings with the team

Are you interested in this position?
Apply by clicking on the “Apply Now” button below!
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