Staff Data Platform Engineer – AI‑Driven MDM & APIs

WEX Inc.; Melbourne; On-site; AUD 180,000 - 240,000; Full time

Job summary

WEX Inc. in Melbourne, Australia, is seeking a Staff Software Engineer to architect and evolve core data platform capabilities with an initial focus on enterprise Master Data Management.

You will design production software, APIs, data services, and integration frameworks that establish trusted identities, relationships, hierarchies, and golden records across WEX. This role combines hands-on development with architectural leadership and mentorship, applying AI-assisted development throughout the

Qualifications

• 8+ years of software engineering experience in distributed systems.
• Strong fundamentals with Python, Java, or similar languages.
• Experience building production APIs, data pipelines, and batch or streaming integrations.
• Hands-on AI-assisted development experience using model APIs, retrieval patterns, agents, or similar technologies.
• Understanding of AI risks, including accuracy, security, privacy, model limitations, and the need to validate AI-generated outputs.
• Strong knowledge of automated testing, CI/CD, observability, data contracts, schema evolution, lineage, and data quality.
• Ability to lead architecture decisions, troubleshoot complex production problems, mentor engineers, and influence technical direction.
• Experience building enterprise MDM solutions is preferred, including knowledge of identity resolution, matching, survivorship, golden records, and commercial platforms such as Reltio.

Responsibilities

• Architect and develop scalable software, APIs, and batch or streaming data pipelines.
• Lead the design and implementation of enterprise MDM capabilities, including identity resolution, golden records, matching, survivorship, relationships, hierarchies, and reference data.
• Build reusable platform components for validation, data contracts, orchestration, retries, audit logging, lineage, and reconciliation.
• Apply AI-assisted development across solution design, coding, testing, debugging, and documentation, and build AI-enabled capabilities where they provide value.
• Improve platform performance, reliability, observability, security, and cost efficiency.
• Establish automated testing and CI/CD practices for software, data models, integration logic, and platform configuration.
• Lead production troubleshooting, root‑cause analysis, and preventive improvements.
• Mentor engineers and partner with Product, Architecture, Data, Risk, and Governance teams to shape technical direction.

Skills

Distributed systems

Cloud platforms

Python

Java

APIs

Data pipelines

AI-assisted development

Model APIs / retrieval patterns

Mentorship

Tools

Snowflake

dbt

Kafka

AWS

S3

Infrastructure as Code

Cloud observability platforms

Job description

WEX Inc. in Melbourne, Australia, is seeking a Staff Software Engineer to architect and evolve core data platform capabilities with an initial focus on enterprise Master Data Management.

You will design production software, APIs, data services, and integration frameworks that establish trusted identities, relationships, hierarchies, and golden records across WEX. This role combines hands-on development with architectural leadership and mentorship, applying AI-assisted development throughout the