Bernadine Dao
Portfolio
Professional Summary
Software Engineer with experience building robust, cloud-native software at enterprise scale.
Former medical doctor bringing strong analytical thinking, clear communication, and collaboration skills to modern software development.
Skills
- JavaScript
- TypeScript
- HTML
- CSS
- React
- Node.js
- Express.js
- Next.js
- Tailwind CSS / MUI
- Trello
- Figma
- Vite / Webpack
- Jest
- Playwright
- Redux
- Miro
- Python
- Java
- Spring Boot
- AWS
- Azure
- Cursor / AI
- REST APIs
- GraphQL
- Kubernetes
- Kafka
- Splunk
- OpenSearch
- Harness CI/CD
- Jenkins
- PostgreSQL
- MongoDB
- Docker / Rancher
- JUnit
Certifications
- AWS Solutions Architect Associate (SAA-CO3) | Feb 2025
- AWS Cloud Practitioner (CLF-CO2) | Dec 2024
- AWS AI Practitioner (AIF-C01) | Mar 2026
- FINSIA Professional Banking Fundamentals | Apr 2025
- Azure (AZ-900) Course | Sep 2025
Experience
Software Engineer (Frontend)
National Australia Bank (NAB) | Melbourne, VIC | Mar 2026 – Present
- Built React and TypeScript user interfaces for business banking workflows, integrating GraphQL APIs and collaborating with designers (Figma) and engineers to deliver scalable, accessible, and high-performance features.
- Contributed to reusable components and frontend patterns, improving maintainability and consistency.
- Implemented automated testing using Jest and Playwright, improving UI reliability and release confidence.
Software Engineer (Backend - Graduate)
National Australia Bank (NAB) | Melbourne, VIC | Feb 2025 – Mar 2026
- Diagnosed and resolved issues in distributed Java microservices using observability platforms, improving reliability through automated testing and CI/CD.
- Implemented encryption at rest for AWS RDS PostgreSQL using AWS Encryption SDK, and IAM-based access control.
- Consolidated multiple microservices into a single service with a unified API, simplifying architecture and improving reliability.
Software Engineer Intern
National Australia Bank (NAB) | Melbourne, VIC | Nov 2024 – Feb 2025
- Built an AWS-hosted recruiting platform using React, TypeScript, GraphQL APIs, and a PostgreSQL database.
- Presented the MVP to the CTO and led sprint-end demos for cross-functional stakeholders, demonstrating communication, collaboration, and delivery ownership.
Medical Doctor
Multiple Hospitals | Melbourne, VIC | Jan 2020 – Nov 2024
- Applied diagnostic rigour, teamwork, and clear communication — skills now leveraged to manage high-stakes production incidents and complex engineering challenges.
Education
Software Engineering Course
General Assembly | Apr 2024 - Jul 2024
CS50
Harvard University | Nov 2023 - Feb 2024
Bachelor of Medical Science (Hons)
Monash University & Oxford University (UK) | Mar 2017 - Nov 2017
Bachelor of Medicine & Bachelor of Surgery (Hons)
Monash University | Mar 2014 - Nov 2019
Leadership
- One of two graduates featured in NAB’s StarCamp Internship promotional video (LinkedIn) and NAB website article showcasing software engineering success stories.
- Mentor to junior software engineers, formally and informally.
Projects
Fridge to Fork
- Created a full-stack single page application for finding recipes by ingredients / cuisine / diet, integrating an external API and an internal REST API.
Technologies
Node | Express | React | React-Router | Vite | PostgreSQL | HTML | CSS | JavaScript | Material UI | Render | Figma | Miro | AWS - S3, CloudFront, RDS, Lambda, API Gateway, EC2
GitHub
https://github.com/berternie9/fridge_to_fork
YouTube Demo
https://www.youtube.com/watch?v=pNn7ii5Z-A4ScribeSpace
- A project that I built as part of the General Assembly Software Engineering course.
- Developed an online reading companion and implemented CRUD features (e.g. adding new books, notes, reviews and vocabulary).
- Ensured industry benchmark features for user authentication, sessions, and routing conventions using a REST API.
Technologies
Node | Express | PostgreSQL | HTML | CSS | Javascript | Render
GitHub
https://github.com/berternie9/scribespaceYouTube Demo
https://www.youtube.com/watch?v=bojNAP3_IgsGarden Planner
- Originally my Final Project for the CS50 course.
- Developed an online yearly garden planner, with CRUD functionality for custom plants and gardens.
- Integrated a weather API, which can display the weather at user-inputted coordinates.
- Incorporated a robust SQLite database to track plant and garden information, which I converted to PostgreSQL for deployment on Render.
Technologies
Python | Flask | PostgreSQL | HTML | CSS | Javascript | Render
GitHub
https://github.com/berternie9/garden-plannerYouTube Demo
https://www.youtube.com/watch?v=4ROhMB_EX68Tic Tac Toe
- A project that I built as part of the General Assembly Software Engineering course.
- Built a web application for playing tic tac toe; either 2-player, or against a bot.
- Incorporated 'finite state machine' and 'expert system AI' concepts into bot logic.
Technologies
HTML | CSS | Javascript | GitHub Pages
GitHub
https://github.com/berternie9/tic-tac-toe
Deployed on GitHub Pages
https://berternie9.github.io/tic-tac-toe/
Screenshot
Epsilon Servo
- Collaborated with other software developers to build a full-stack single page application (SPA) for finding petrol stations, with a model view controller (MVC) framework.
- Leveraged version control (Git & GitHub), and maintained clear and concise communication across the group to coordinate pull requests and merges.
- Implemented multiple external and internal APIs, incl. Google Maps, Open Meteo, Geocoding & Reverse Geocoding.
Technologies
Node | Express | PostgreSQL | HTML | CSS | JavaScript | AJAX | Git | JSON | Trello | Figma
GitHub
https://github.com/berternie9/epsilon_servo
Screenshot


Melbourne, VIC