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Sydney, AU

Building reliable systems that move money safely

Backend-leaning full-stack engineer specialising in fintech risk infrastructure, microservices, and production ownership.

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What I Do

Core engineering competencies built through production experience

.NET Microservices

Event-driven services processing real-time financial decisions at scale.

AWS Cloud Infrastructure

Production workloads on ECS, SQS, S3, and CloudWatch with operational excellence.

PostgreSQL & Data

Complex query optimization, safe migrations, and data integrity guarantees.

Production Ownership

On-call responsibility, incident response, and deployment pipeline stewardship.

Testing & Observability

Comprehensive test suites, structured logging, metrics, and alerting.

CI/CD Pipelines

Automated build, test, and deploy workflows across microservices.

Experience

Building fintech risk infrastructure in production

Software Engineer

Fintech Risk Platform 2022 – Present Sydney, AU
  • Engineer real-time fraud decisioning services processing transactions across payment and customer lifecycle events
  • Build and maintain .NET microservices communicating via event-driven architecture (SQS/SNS) with PostgreSQL persistence
  • Deliver full-traffic cutovers for risk monitoring with zero downtime, achieving 100% transaction coverage
  • Integrate with external fraud platforms and third-party risk vendors for enriched decisioning signals
  • Lead platform modernisation: .NET version upgrades, security remediation, feature flag rollouts, and defensive programming patterns
  • Establish Playwright end-to-end test suites integrated into CI/CD pipelines across multiple microservices

Selected Achievements

Outcomes delivered in production

Real-Time SMS Verification

Designed and delivered end-to-end two-way SMS verification flow for high-risk transaction activity, from API integration to production rollout.

Full-Traffic Risk Monitoring

Executed full-traffic cutovers across payment and customer lifecycle monitoring, achieving 100% transaction coverage with zero incidents.

Automated Case Management

Built automated case management system providing operations teams a 360-degree view of flagged activity, integrating signals from multiple risk sources.

Platform Modernisation

Led .NET framework upgrades and security remediation across microservices, implementing feature flags and defensive programming for safe rollout.

Auto-Decisioning Discovery

Drove discovery and design for auto-decisioning improvements via bank-statement classification, taking design ownership from problem framing to solution proposal.

E2E Test Infrastructure

Established Playwright test suites integrated into CI/CD pipelines, improving deployment confidence across microservice boundaries.

Projects

Side projects and explorations

Project Kubera

In Progress

Personal finance platform built with Clean Architecture and DDD patterns. React frontend with .NET backend and PostgreSQL. Full CI/CD pipeline with automated testing. Exploring an AI-assisted insights layer with RAG experiments connecting to LLM APIs — focused on architecture patterns, full-stack ownership, and iterative delivery.

C#/.NET React PostgreSQL Clean Architecture DDD RAG OpenAI API Docker GitHub Actions

Trading Systems R&D

Private

Experimental quantitative trading platform exploring algorithmic strategies. High-level architecture exploration covering backtesting infrastructure and data pipeline design.

Python C# Data Pipelines Backtesting

This Portfolio

Open Source

Astronomy-themed portfolio built with Astro and React islands. Features a canvas starfield, interactive Hubble image modal, and accessible design. Demonstrates frontend craft alongside backend focus.

Astro React TypeScript TailwindCSS Canvas API Motion
View on GitHub

University Game Project

Archived

Game development project completed during undergraduate studies.

Unity C#

Skills & Tools

Technologies I work with regularly

Backend

  • C#/.NET
  • ASP.NET Core
  • Entity Framework
  • Microservices
  • Event-Driven Architecture
  • REST APIs

Cloud & Infrastructure

  • AWS (ECS, SQS, SNS, S3, CloudWatch)
  • Docker
  • Terraform

Data

  • PostgreSQL
  • SQL Server
  • Redis

Testing & Quality

  • xUnit
  • Playwright
  • Vitest
  • TDD
  • Integration Testing

CI/CD & DevOps

  • GitHub Actions
  • Azure DevOps
  • Feature Flags
  • Infrastructure as Code

Frontend

  • React
  • TypeScript
  • HTML/CSS
  • Astro

AI/ML (Exploring)

  • RAG Patterns
  • Embeddings
  • Prompt Engineering
  • LLM Evaluation

Practices

  • Clean Architecture
  • DDD
  • SOLID
  • Observability
  • Incident Response

Writing

Notes and thoughts on engineering

Coming soon.

Thoughts on distributed systems, testing strategies, and fintech engineering.

Let's Connect

Open to interesting engineering challenges and conversations about fintech, distributed systems, or space.

LinkedIn GitHub