Full Stack / Backend Software Engineer
Results-driven software engineer with 5+ years of professional experience building scalable backend systems and full-stack web applications across logistics, fintech, and education domains and mentoring career-transitioning software engineers and University engineering students.
Currently hold a Master of IT complemented by a Bachelor's in Computer Science.
Overall Core Expertise:
| Tech | Stack |
|---|---|
| Backend | Java (8–21), Spring Boot, Spring MVC, Spring Data JPA/Hibernate, Spring Security, Spring WebFlux, Python, Django, Flask, Node.js, Express.js |
| Frontend | TypeScript, React, Next.js, shadcn/ui, TailwindCSS, JavaScript, HTML5 |
| Security & IAM | OAuth2, JWT/JWE, RBAC/ABAC, Spring Authorization Server, Keycloak, basic OIDC, cybersecurity fundamentals (malware/ransomware analysis, secure SDLC) |
| Cloud & DevOps | Spring Cloud Gateway, Spring Cloud Config, Spring Cloud Netflix, AWS (S3, Lambda, ECS, EC2, MQTT), Docker, basic Kubernetes, Jenkins, CI/CD |
| Data & Messaging | PostgreSQL, MySQL, MongoDB, Redis, Kafka, RabbitMQ, Elasticsearch |
| APIs & Integration | RESTful APIs, SOAP, API Gateway concepts, Swagger/OpenAPI, Apache Airflow, Salesforce API integration |
| Tools & Collaboration | Git, JIRA, Confluence, Trello, TortoiseSVN |
| Further Interests | IoT (Raspberry Pi, ESP32, Teensy, MQTT), Blockchain / Solidity (Ethereum, Truffle, Metamask), Hyperledger Fabric, Applied Cybersecurity |
Highlights:
- Teaching Python programming and data analysis (pandas, matplotlib, NumPy) to 100+ undergraduate students per semester at QUT, emphasising clean code, reproducibility, and industry-standard practices.
- Architected and delivered RESTful microservices with OAuth2 and JWT authentications, dependency injection, and cloud-native deployment patterns in enterprise production environments
- Developed and shipped full-stack Java/Spring Boot applications for enterprise fintech projects, contributing to a increase in merchant retention through improved lending and transactional workflows.
- Built a full IoT intrusion detection system spanning sensor, edge, and cloud tiers with MQTT-based data pipelines to AWS as part of Masters Project
- Led a cross-functional team of 5 to design and benchmark 3 blockchain-based authentication and authorisation protocols (certificate-based, token-based, and attribute-based) for enterprise stakeholder use cases on Hyperledger Fabric. Built event-driven proof-of-concept applications in JavaScript (Express) and Java (Spring Boot) integrated with Hyperledger Fabric chaincode, demonstrating sub-second transaction verification for RBAC workflows.
- Led a 24-week Full Stack Software Engineering immersive course twice for over 40+ career-transitioning students, designing the end-to-end curriculum covering HTML/CSS, JavaScript, React, Node.js, Python, Django, Flask, PostgreSQL, MongoDB, and Git workflows
Open to Full Stack/Backend Software Development roles.