Handy Hasan
Hello, I'm

Handy Hasan

Senior Full-Stack Software Engineer | Melbourne

👋Hi!I'mHandyaSeniorSoftwareEngineerinMelbournewith7+yearsexperienceinfull-stackdevelopment,specializinginReact,Python,AWS,andmobileapplications.AvailableforhirebyMelbournetechcompaniesandstartups.

Full-Stack Technology Expertise

Frontend Development

React
TypeScript
Next.js
Vue.js
Angular
JavaScript ES6+
HTML5/CSS3
Tailwind CSS
Sass/SCSS
Webpack
Vite
React Native

Backend Development

Python
Django
FastAPI
Go
C#/.NET
Node.js
Express
GraphQL
gRPC
RESTful APIs
Microservices
WebSockets

Cloud & DevOps

AWS
Azure
Google Cloud
Terraform
Docker
Kubernetes
CI/CD
Jenkins
GitHub Actions
Nginx
Redis
Monitoring

Databases & Tools

PostgreSQL
MongoDB
Redis
MySQL
Elasticsearch
Git
Linux
VS Code
Postman
Figma
Jira
Slack

Hire a Senior Software Engineer in Melbourne

Looking for a top software engineer in Melbourne? I'm a senior full-stack developer with 7+ years of professional experience working with leading Melbourne companies including 4DMedical (ASX listed) and The Good Guys.

As a Melbourne-based software engineer, I specialize in building scalable web applications, mobile apps, and cloud solutions. My expertise includes React, Python, AWS, Node.js, and mobile development - perfect for startups and enterprise companies looking to scale their tech teams.

Available for hire as a senior developer, tech lead, or consultant for Melbourne companies. I have a proven track record of delivering high-impact projects, from medical imaging platforms processing 3,000+ daily scans to mobile apps with 10,000+ active users.

Professional Experience

Senior Software Engineer

4DMedical (ASX: 4DX)
Oct 2021 - Present (3+ years)

Leading development of medical imaging platform processing 3,290+ daily DICOM scans. Built gRPC systems connecting XVD hardware to cloud backend, achieving 80% bandwidth reduction and medical-grade reliability.

PythongRPCAWSMedical ImagingMicroservices

🚀 Key Impact: Enabling 10x more accurate lung imaging for hospitals worldwide

Software Developer

The Good Guys (JB Hi-Fi Group)
Oct 2019 - Oct 2021 (2 years)

Developed e-commerce platform features for Australia's largest electronics retailer. Reduced page load times by 35%, built real-time inventory systems, and optimized mobile checkout flows.

ReactNode.jsE-commercePerformanceMobile-First

📈 Key Impact: Millions of daily transactions, 25% mobile conversion increase

Blog

Thoughts, insights, and technical explorations based on my experience in the industry.

🧠
Vector Embeddings & RAG
Machine LearningVector DatabasesPopular

Vector Embeddings & RAG: From Text to Intelligent Search

A comprehensive guide to understanding vector embeddings and building production-ready RAG systems. Learn how text becomes numbers and how to build enterprise document intelligence systems...

25 min readRead More →
🔋
React Energy Optimization
ReactPerformanceLatest

Profiling and Slashing Your React App's Energy Footprint in Six Steps

Energy efficiency isn't just about performance—it's about sustainability and respecting your users' battery life. Learn systematic steps to reduce energy consumption by up to 60%...

18 min readRead More →
🚨
Incident Management 2025
DevOpsMonitoringLatest

Choosing the Right Incident Management Stack in 2025: From FullStory to OpsGenie

Building a robust incident management stack isn't just about picking the latest tools—it's about creating a seamless flow from detection to resolution...

22 min readRead More →
🔄
React Real-time Data
ReactNext.jsLatest

Polling vs. WebSockets vs. Server Actions in React/Next.js

Choosing the right data synchronization strategy can make or break your user experience. Learn when to use polling, WebSockets, or Next.js Server Actions...

16 min readRead More →
🧪
Quality Engineering
TestingQuality EngineeringLatest

Quality Engineering at Scale: Unit Tests, Cypress & SonarCloud

Quality isn't just about writing tests—it's about building a culture and infrastructure that prevents bugs from reaching production. Learn how to implement comprehensive testing strategies...

15 min readRead More →
gRPC & Medical Devices
gRPCMedical DevicesNew

Building Medical Device Communication with gRPC

At 4DMedical, we connected proprietary XVD hardware to cloud infrastructure using gRPC. Learn how we achieved 80% bandwidth reduction and medical-grade reliability...

12 min readRead More →
🚀
Railway Deployment
DevOpsDeployment

Railway Deployment Made Easy: PostgreSQL + Git

Deployment shouldn't be the hard part of building software. Railway combines simplicity with power, featuring built-in PostgreSQL and lightning-fast deployments...

10 min readRead More →
📊
E-commerce Observability
E-commerceDevOps

The Invisible Layer of E-Commerce: Enterprise Observability with Mixpanel, New Relic & Sumo Logic

E-commerce platforms live and die by the experience they deliver in real time. Learn how to implement enterprise observability with Mixpanel analytics, New Relic APM, and Sumo Logic...

12 min readRead More →
🧩
Microservices
E-commerceArchitecture

From Monolith to Microservices: E-Commerce at Scale

Most e-commerce platforms start with a monolith for good reason. Learn when and how to transition to microservices for product velocity...

8 min readRead More →
🏀
Hangtime App
Mobile AppBasketball

Building Hangtime: Basketball Meets Software Engineering

Combining passion for basketball with engineering skills to solve real problems. Learn the business strategy and technical challenges of building a sports community app...

10 min readRead More →
💳
Beyond Stripe
PaymentsFintech

Beyond Stripe: Building Custom Payment Solutions

While Stripe is excellent for most use cases, some businesses need custom payment flows. Learn when to build your own and how to do it safely...

12 min readRead More →
🏥
Medical Imaging
HealthcareDICOM

Medical Imaging in the Cloud: DICOM, PACS & ML

Processing medical imaging data at scale requires specialized knowledge. Learn about DICOM standards, PACS integration, and machine learning applications...

14 min readRead More →
🌏
Aussie E-commerce
E-commerceInternational

Scaling Aussie E-commerce to Asia: Lessons Learned

Expanding from Australia to Asian markets brings unique challenges. Learn about currency handling, localization, logistics, and cultural considerations...

11 min readRead More →

What People Say

Recommendations from colleagues, clients, and team members

Client
"Handy is a rare breed of engineer; not only does he bring deep technical capability across a broad range of verticals, but he also has a sharp eye for design and detail that sets him apart. Having placed over 500 technologists into roles over the past decade, I can confidently say Handy stands out as a uniquely valuable asset."
Charlie Beattie
Director & Principal at Recoded | CSM®
LinkedIn Recommendation
4DMedical
"Handy has a deep understanding of system architecture, scalability, and performance optimization. On the DRRD project, he took initiative to ensure all team members were aligned, proposed innovative solutions, and completed his work promptly with high quality. An excellent Full Stack Engineer."
Jeff Ma
Lead Software Engineer at 4DMedical
LinkedIn Recommendation
Research
"Handy brings strong depth in algorithms and computer science fundamentals. His thoughtful approach to translating complex research ideas into practical solutions made him an invaluable bridge between research and software teams. A genuinely approachable colleague who contributes to a healthy team culture."
ChengJu Tsai
Master of Engineering
LinkedIn Recommendation

Get In Touch

Whether you're looking for a collaborator, contractor, or just want to chat tech — I'd love to hear from you!

Send Me a Message