Hi,I'mHafiy
I build the whole stack — from data pipelines moving millions of records to the UI a customer touches. Now using AI as leverage to ship features small teams used to need ten engineers for.
The person behind the code
Hafiy Harizan
Software & Data Engineer · Perth, AU
About Me
Engineerattheintersectionofsoftwareanddata.Ibuildend-to-endsystems—robustpipelines,scalableAPIs,andcleaninterfaces.4+yearsshippingproduction-gradesolutionsfor3M+customersatTelekomMalaysia.
0+
Years in production
Master's in Data Science
Universiti Teknologi MARA
Outside Work
Featured Projects
From production data platforms to personal passion projects.





Salasilah
Family Tree & Genealogy App
Career trajectory
Visualization & Software Engineer
Telekom Malaysia
- ▸Designed, built, and supported production-grade data pipelines and analytics platforms processing datasets from 3M+ customers.
- ▸Implemented automated data ingestion, transformation (ELT), and validation workflows.
- ▸Developed scalable backend services using Python, PHP, SQL, and REST APIs.
- ▸Integrated machine learning outputs into data pipelines supporting AI-driven analytics.
- ▸Applied DataOps and DevOps practices including CI/CD pipelines and containerisation.
Network Geospatial Viz Solution Engineer
Telekom Malaysia
- ▸Built and optimised cloud-ready analytics datasets and spatial data pipelines.
- ▸Designed and maintained high-performance databases with indexing and query optimisation.
- ▸Automated complex data transformation and orchestration workflows.
- ▸Delivered production dashboards in Power BI and Tableau.
- ▸Deployed and supported analytics services including GeoServer and Tableau Server.
Trainee
Telekom Malaysia
- ▸Supported development of data-driven solutions for infrastructure planning.
- ▸Assisted with Python, SQL, and automation tasks improving reporting efficiency.
- ▸Built foundational skills in data analytics and cross-functional collaboration.
Academic background
Master's in Data Science
Universiti Teknologi MARA (UiTM), Malaysia
2021 – 2022
Bachelor of Mechatronics Engineering With Honours
Universiti Teknikal Malaysia Melaka (UTeM), Malaysia
2015 – 2019
My Skills
Frontend
8- JavaScript
- TypeScript
- React
- Next.js
- HTML
- CSS
- Tailwind CSS
- Bootstrap
Backend
5- Node.js
- Python
- PHP
- RESTful APIs
- API Integration
Databases
6- PostgreSQL
- MySQL
- MariaDB
- Query Optimization
- Data Modelling
- ELT
AI & Cloud
6- Azure AI Studio
- Azure OpenAI
- Azure ML
- Prompt Engineering
- Model Deployment
- Agentic AI
Data & Viz
6- Power BI
- Tableau
- Leaflet.js
- AmCharts
- Pandas
- NumPy
DevOps & Tools
6- Docker
- Git
- GitHub
- GitLab CI/CD
- Linux CLI
- Agile/Scrum
What people say
Worked with me? Your endorsement helps recruiters see the real picture.
“Hafiy consistently delivered high-quality data solutions that exceeded expectations. His ability to translate complex business requirements into robust technical implementations was impressive.”
Placeholder Name
Team Lead, Telekom Malaysia
“A rare engineer who understands both the data pipeline and the end-user experience. Hafiy's work on our analytics platform significantly improved our decision-making speed.”
Placeholder Name
Senior Manager, Data Analytics
“Hafiy brought a unique blend of engineering rigour and creative problem-solving to every project. His automated pipelines saved us countless hours of manual work.”
Placeholder Name
Project Manager, Infrastructure
Samples shown — be the first to leave a real endorsement.
Curious about me?
Ask my AI anything about my experience, skills, or projects.
Let's build something great.
Available for roles in Perth and remote. Whether it's a new opportunity, a collaboration, or just a chat — I'd love to hear from you.
Primary contact
hafiyharizan@gmail.com
linkedin.com/in/hafiyharizan
GitHub
github.com/hafiyharizan