Remote Senior Full Stack Engineer - AI Harness

Description:

• Senior engineering position focused on MyXero platform, managing millions of daily requests.
• Responsible for transforming ambiguous challenges into architectural solutions, including specs and AI guardrails.
• Work involves modernizing a legacy system into decoupled domain services without disrupting dependent products.
• Mentor team members and shape engineering practices with intelligent tools.

Requirements:

• Deep full-stack or backend engineering experience with typed languages, preferably C# and .NET.
• Experience with AI harnesses, coding agents, or automated verification pipelines.
• Familiarity with distributed systems architecture, API design, and complex relational database migrations.
• Proven ability to take technical problems from conception to production delivery.
• Strong written communication skills for documenting system trade-offs.
• Collaborative mindset with a focus on team learning and production support.

Benefits:

• Flexible remote-first work setup with office access in Wellington or Auckland.
• Supportive and open team environment that encourages technical curiosity and shared learning.