Software engineer based in Melbourne, building end-to-end web platforms with React/Next.js and Django/DRF. I focus on reliable APIs, strong testing, and production observability to ship safely in complex systems. I enjoy turning analytics into product improvements (reducing workflow friction and speeding up user outcomes), designing resilient data migration strategies for multi-tenant environments, and collaborating across stakeholders to deliver smooth go-lives.

ChengYin Loh

Software engineer based in Melbourne, building end-to-end web platforms with React/Next.js and Django/DRF. I focus on reliable APIs, strong testing, and production observability to ship safely in complex systems. I enjoy turning analytics into product improvements (reducing workflow friction and speeding up user outcomes), designing resilient data migration strategies for multi-tenant environments, and collaborating across stakeholders to deliver smooth go-lives.

Available to hire

Software engineer based in Melbourne, building end-to-end web platforms with React/Next.js and Django/DRF. I focus on reliable APIs, strong testing, and production observability to ship safely in complex systems.

I enjoy turning analytics into product improvements (reducing workflow friction and speeding up user outcomes), designing resilient data migration strategies for multi-tenant environments, and collaborating across stakeholders to deliver smooth go-lives.

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Experience Level

Expert
Intermediate
Intermediate

Work Experience

Junior Software Engineer at Uptick - Fire industry Job management SaaS
June 1, 2025 - Present
Delivered end-to-end ERP integrations to sync financial data, automating core financial reconciliation workflows. Led a major go-live rollout by defining the cutover plan with product, customer, and external stakeholders, building custom UI, and resolving production issues. Architected REST APIs for self-service quote approvals with unit/integration testing, enabling users to complete 50% of approvals directly. Established engineering standards for safe schema migrations across a multi-tenant platform, preventing data-loss risk during rolling deployments. Engineered a phased dual-write and backfill strategy, using Grafana log analysis to validate downstream consumers and guarantee zero downtime, backwards compatibility, and data consistency. Consolidated a multi-step create-and-schedule workflow into a single action using a routed modal (TanStack Router), targeting a Mixpanel-identified pain point where 40% of task creations triggered scheduling within the hour.
Intern Software Engineer at Uptick
March 1, 2025 - June 1, 2025
Improved production error observability in Sentry by creating custom fingerprinting rules that regrouped low-detail third-party integration exceptions, reducing alert noise by 20% and accelerating triage and issue delegation. Modernised the frontend by migrating legacy server-rendered pages to a React/TypeScript SPA, refactoring class components to hooks, and implementing comprehensive E2E testing to ensure zero regressions.

Education

Bachelor of Computer Science at The University of Melbourne
January 11, 2030 - August 16, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services