Last modified: Jan 31 2026 at 10:09 PM • 6 mins read
Duy Long Nguyen
| Full-Stack Developer @ Midwinter Financial Services | Software Engineer | Cloud Engineer | Debugging & Problem-Solving Expert |
Table of contents
- Summary
- Contact Information
- Technical Skills
- Professional Experience
- Education
- Certifications
- Honors & Awards
- Projects & Notes
- What I Bring
Summary
Passionate and skilled full-stack software developer experienced in developing scalable web applications. With a strong background in full-stack development, I am adept at working across the entire software development life cycle. I possess a quick learning ability, self-motivation, excellent organization, and a keen eye for detail. My analytical and problem-solving skills enable me to tackle complex challenges effectively.
Contact Information
| Location | Balmain, NSW 2041, Australia |
| Phone | +61 415 147 439 |
| longlunglay1998@gmail.com | |
| linkedin.com/in/longnguyen1004 |
Technical Skills
Core Competencies
- Linear Algebra - Advanced mathematical foundations for machine learning
- Vectorized Computing - High-performance numerical computations
- Machine Learning - Neural networks and deep learning implementations
- Full-Stack Development - End-to-end application development
- Cloud Engineering - AWS infrastructure and services
Technical Stack
| Category | Technologies |
|---|---|
| Frontend | Angular, AngularJS, React, TypeScript, Breeze.js |
| Backend | ASP.NET, C#, Node.js, WebAPI, Entity Framework |
| Databases | SQL Server, MongoDB, DynamoDB |
| Cloud (AWS) | Lambda, DynamoDB, Neptune, Cognito, ECS, EventBridge, CDK |
| DevOps | AWS CDK, Infrastructure as Code, CI/CD |
| Architecture | Micro-frontend, REST APIs, Microservices |
Languages
- Vietnamese - Native or Bilingual
- English - Professional Working
Professional Experience
Midwinter Financial Services
Full-Stack Developer
| August 2023 - Present | Sydney, New South Wales, Australia |
As a Software Developer at Midwinter Financial Services, I contribute to enhancing and maintaining critical projects that streamline financial advice processes and improve system efficiency.
Key Projects:
STP in AdviceOS
Technologies: ASP.NET, Angular, SQL Server
Responsibilities:
- Developed and maintained functionalities for Straight Through Processing
- Designed and redesigned various lodgement types:
- Create Retirement Income Stream
- Make One-off Contribution
- Create Super Account
- Performance Optimization: Improved runtime of lodgement polling processes by abstracting complex legacy code into diagrams and reengineering
- Maintained Statement of Advice (SOA) generation
- Optimized communication with other AdviceOS services and Sonata
- Enhanced the GetMember call for better performance
V3 Project
Technologies: ASP.NET, Angular, Node.js (TypeScript), AWS (DynamoDB, Lambda, Neptune, Cognito, ECS)
Responsibilities:
- Engineered core journey generation for:
- Retirement Accelerator
- Insurance Accelerator
- Provisioned and defined AWS infrastructure with AWS CDK
- Cost Optimization: Focused on reducing costs by leveraging various AWS services effectively
- Maintained and upgraded:
- Identity Accelerator
- Document Generation Accelerator
- Shared Accelerator library
- Developed scheduled tasks with Lambda and EventBridge
- Documentation & Mentorship: Documented processes and assisted new developers onboarding into the V3 project
Junior Full-Stack Software Developer
| September 2022 - July 2023 | Sydney, New South Wales, Australia |
Technologies: Angular, Breeze.js, C#, WebAPI, SQL Server, Entity Framework
Responsibilities:
- Frontend & Backend Development: Built features using Angular and Breeze.js for frontend, C# and WebAPI for backend
- Collaboration: Engaged closely with developers, testers, and business analysts to discuss tasks and find effective solutions
- Project: STP (Straight Through Processing):
- Contributed to major integrations for enterprise clients
- Implemented advice through registry systems
- Integrated with third-party Customer Relationship Management (CRM) platforms
- Helped increase the number of concurrent integrations, improving efficiency and service delivery
SBM Marketing Communications
Full-Stack Software Developer
| August 2021 - September 2022 | Silverwater, New South Wales, Australia |
Technologies: Angular/AngularJS, .NET, SQL Server, MongoDB
Core Skills Developed:
- Requirement Analysis & Solution Design: Analyzed client needs and designed practical, robust software solutions
- Data Modeling: Designed efficient database schemas and optimized data structures for effective storage and retrieval
Key Projects:
1. SBM APS
Description: Generic platform for defining content types and application object hierarchies to flexibly store and query client data
Features:
- Micro-frontend architecture for modularity and customization
- Tailored for the marketing industry with expansion potential
- Flexible content management system
2. PSC Tracker
Client: NSW Department of Education
Description: Captured participation data for the 10 Week Challenge (10wC) and Run Around Australia (RAA) events
Features:
- Azure SSO authentication
- Integration with third-party systems via background services and REST APIs
- Event tracking and reporting
3. Bruce APS
Client: Generic Publications (Harvey Norman, Domayne, Joyce Mayne)
Description: Advertising production system for large retail clients
Key Achievement:
- Modernization Initiative: Played key role in transitioning from ASP.NET Web Forms to modern architecture:
- Backend: REST APIs
- Frontend: AngularJS
- Impact: Significantly improved performance and maintainability
- Evolution: System evolved into comprehensive suite that digitized the ad production workflow
Self-Employed
Private Tutor
| December 2018 - September 2022 | Sydney, Australia |
Platform: Superprof (online tutoring marketplace)
Achievements:
| Metric | Result |
|---|---|
| Rating | 5-star review on Superprof |
| Average Grade Improvement | 30% increase in student performance |
| Distinction Rate | Significant portion achieved highest academic level |
| Pass/Credit Rate | All remaining students achieved at least Pass or Credit |
Teaching Approach:
- Personalized instruction adapted to individual learning styles
- Interactive teaching techniques
- Targeted guidance for subject mastery
- Focus on deep understanding, not just grade improvement
Impact:
- Created engaging and effective learning environment
- Helped students reach their full potential
- Fostered confidence and academic growth
Education
University of Sydney
Bachelor’s Degree in Computing
2018 - 2021
Certifications
| Certification | Provider | Verification |
|---|---|---|
| AWS Certified Solutions Architect - Professional | Amazon Web Services | View Credential |
| AWS Certified Cloud Practitioner | Amazon Web Services | View Credential |
| Neural Networks and Deep Learning | DeepLearning.AI (Coursera) | View Certificate |
| React Basics | Meta | View Certificate |
| Problem Solving (Intermediate) Certificate | HackerRank | View Certificate |
| Problem Solving (Basic) Certificate | HackerRank | View Certificate |
Honors & Awards
Programming Competitions
| Award | Competition | Details |
|---|---|---|
| 3rd Prize | National Excellent Students Contest of Informatics | Vietnam |
| Consolation Prize | National Excellent Students Contest of Informatics | Vietnam |
| 4th Place | ICPC South Pacific Divisional Contest | Australia, 2018 |
| 7th Place | ICPC South Pacific Regional Finals | 2018 |
ICPC: International Collegiate Programming Contest - the premier global programming competition for universities
Projects & Notes
Beyond my professional work, I maintain technical documentation and learning resources:
- Deep Learning Course Notes - Comprehensive notes from DeepLearning.AI courses
- LeetCode Solutions - Problem-solving approaches and implementations
- Azure Container Apps Notes - Cloud-native application deployment guides
What I Bring
Technical Excellence
- Strong foundation in computer science and mathematics
- Proven track record in competitive programming
- Cloud architecture and optimization expertise
- Full-stack development across modern technologies
Problem-Solving
- Analytical approach to complex challenges
- Experience with legacy code modernization
- Performance optimization and cost reduction
- Debugging and troubleshooting expert
Collaboration & Leadership
- Cross-functional team collaboration
- Mentoring and onboarding new developers
- Clear technical documentation
- Effective communication with stakeholders
Continuous Learning
- AWS certifications demonstrating cloud expertise
- Deep learning and machine learning studies
- Active contribution to knowledge sharing
- Quick adaptation to new technologies
Last updated: December 2025