Software Engineer/Full-stack/Data & AI

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.

3M+
Customers served
80%
Manual work removed
4 yrs
Shipping in production
// stack
TypeScriptReactNext.jsNode.jsPythonPostgreSQLRedisDockerAWSAzure AIOpenAITailwindtRPCPrismaGitHub ActionsVercelSupabaseTypeScriptReactNext.jsNode.jsPythonPostgreSQLRedisDockerAWSAzure AIOpenAITailwindtRPCPrismaGitHub ActionsVercelSupabase
Hafiy Harizan
LIVEID_0401
EngineerHafiy Harizan
·
Local--:-- · Perth
Rreact18.3
JSjavascriptES2025
opencodelatest
Ppostgres16
Pphp8.3
About

The person behind the code

Hafiy Harizan

Hafiy Harizan

Software & Data Engineer · Perth, AU

About Me

Engineerattheintersectionofsoftwareanddata.Ibuildend-to-endsystemsrobustpipelines,scalableAPIs,andcleaninterfaces.4+yearsshippingproduction-gradesolutionsfor3M+customersatTelekomMalaysia.

Experience

0+

Years in production

Perth, WA · AWST
00:00:00

Education

Master's in Data Science

Universiti Teknologi MARA

Outside Work

Projects

Featured Projects

From production data platforms to personal passion projects.

FIVE
MSQoS
Salasilah
ChoreQuest
FridgeBoard
Personal • Next.js

Salasilah

Family Tree & Genealogy App

Next.jsTypeScriptPostgreSQLD3.jsTailwind CSS
1 / 7
Explore
Experience

Career trajectory

2024
01Latest
3M+
customers served

Visualization & Software Engineer

Telekom Malaysia

March 2024 – June 2025
  • 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.
PythonSQLAzure AIDockerCI/CDREST API
2022
02
80%
manual work removed

Network Geospatial Viz Solution Engineer

Telekom Malaysia

March 2022 – March 2024
  • 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.
PostgreSQLPower BITableauGeoServerSpatial SQL
2021
03
2021
where it began

Trainee

Telekom Malaysia

April 2021 – November 2021
  • 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.
PythonSQLData Analytics
Education

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

Tech Stack

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
Testimonials

What people say

Worked with me? Your endorsement helps recruiters see the real picture.

sample

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

sample

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

sample

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.

Ask AI

Curious about me?

Ask my AI anything about my experience, skills, or projects.

Hafiy AITWIN
online · digital twin
Hi! I'm Hafiy's AI Twin. Ask me anything about his projects, skills, or experience.
Contact

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.