Senior Full Stack Engineer - AI Harness

Salary not stated by the employer

Company

Xero

Location

NZ: Wellington: Xero One (19-23 Taranaki St)

Work mode

Remote

Open to applicants from

Specific countries

Level

Senior

Employment

Full-time

Field

Data & AI / Machine learning & AI

Stated pay

Not stated by employer

Posted

2026-11-10 (5 days ago)

Visa sponsorship mentioned

Not mentioned

Listing source

Ashby

.NETC#SQL AI / ML engineering & research Async or 4-day week

About the role

The role / impact This senior engineering position owns a critical delivery stream on MyXero, the foundational platform that underpins every organisation and user record while managing hundreds of millions of daily requests. You will take ambiguous platform challenges from problem framing to durable architectural solutions, designing the specs, verification harnesses, and AI guardrails that enable software agents to handle implementation safely. Your work directly enables the modernisation of a massive system into decoupled domain services without disrupting dependent products. By engineering automated verification loops and robust testing harnesses, you will ensure high reliability, mentor…

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