Work >
Optus
Optus
Senior Backend Engineer
Duties + Achievements
- Worked on SubHub backend auth flows for customers to activate third-party content subscriptions (Google One).
- Lambda, Lambda Authorizer functions and API Gateway configuration, handling all stages of the OAuth2 flow between SubHub and Google via Boingo third-party IdP.
- Lambda function version and stage management to maintain backwards compatibility.
- Logging and monitoring code and use of CloudWatch and DataDog to diagnose issues.
- Built Agent SubHub frontend. Used by sales and support agents to manage customer accounts.
- Authentication single-sign-on (SSO) link, connecting from legacy system to new Agent SubHub, using pre-signed URL, with AWS Cognito integration.
- Front end built with React, Jotai, AWS AmplifyJS.
- Styled with TailwindCSS using
classNamesfor maintainability and theme variables for custom branding.
- Contributed to Credit Offer feature: backend components for scheduling and sending notification emails.
- Lambda functions handling DynamoDB updates via Event Source Mapping, with before/after checking and logic to determine customer credit offer eligibility.
- DynamoDB querying and schema changes.
Tech
- react
- swr
- jotai
- tailwind
- zustand
- aws
- lambda
- cognito
- dynamo-db
- sns
- cloud-watch
- cloud-formation
- nextjs
- nextjs-14
- next-intl
- observability
- datadog
- sentry
- ci
- circle-ci
- sentry
- architecture
- event-based
- serverless
- publish-subscribe
- rest
Feedback
Positive feedback from Lead and Senior Developers on my
full-stack work and problem-solving at late hours.
“We’d like to thank you once again for your hard work and contributions to date.”
Projects
- SubHub Google integration
- Agent SubHub
- Credit offer notification