Senior Developer

Senior Developer @ Large Financial Services Organisation

July 2023 – Present · Auckland, New Zealand

• Integrated and unified user authentication across multiple backend systems using Auth0, AWS Lambda, and AWS Step Functions
• Migrated Auth0 logic from Rules to Actions with zero downtime for a platform serving tens of thousands of monthly active users
• Built API integrations with third-party systems including CRM, document storage, and financial services platforms
• Developed resilient workflow automation using AWS Step Functions, including re-drive mechanisms for failed and cancelled executions backed by DynamoDB state management
• Designed and deployed scalable cloud infrastructure using AWS CDK (API Gateway, DynamoDB, Lambda)
• Implemented CI/CD pipelines using Bitbucket Pipelines to streamline deployments
• Built an EventBridge event bus integrated with external systems, triggering downstream Step Functions for automated event processing
• Wrote comprehensive automated tests using Vitest and MSW to validate API behaviour and system reliability

Lead Developer @ Digital Assets & FinTech Startup

December 2021 – July 2023 · Auckland, New Zealand

• Led development of a digital assets platform enabling users to buy, sell, and store cryptocurrency without managing a wallet
• Built and integrated complex third-party systems for crypto and fiat transactions, rate capture, and financial reporting
• Designed a state-machine–driven transaction system with message queues to handle multiple transaction flows reliably
• Developed frontend features for buying, selling, deposits, and withdrawals using React and Next.js
• Implemented data persistence and financial calculations to support cost-basis tracking and compliance requirements
• Built a comprehensive test suite using PHPUnit, combining unit and feature tests with mocked HTTP interactions
• Managed contract developers and worked closely with product leadership to deliver features end-to-end