01
Data Architecture
Retail ERP Data Platform
A simulated retail enterprise data platform demonstrating the journey from operational transactions to analytics-ready dimensional models.
Singapore
Gerald
Tay
Business Analyst
Enterprise Systems &
Digital Transformation
I analyse how business processes, enterprise applications, integrations and data interact, then translate operational problems into structured system requirements.
01 — 06
Portfolio Sections
02
Selected Work
01
What I Do
I work at the intersection of business operations and technology, turning ambiguous operational problems into structured requirements, system models and implementable change.
01 / Analyse
Understand the system.
I examine business processes, operational constraints, requirements and dependencies across systems and stakeholders.
02 / Translate
Bridge business and technology.
I translate between users, technical teams, vendors and management to create shared understanding and actionable requirements.
03 / Implement
Move from model to reality.
I support system changes through requirements validation, integration analysis, testing and implementation support.
03
Experience
2025 — Present
System Analyst
Takashimaya Singapore
Analysing business and system requirements for retail technology initiatives spanning operational, financial and technical teams.
2025
SAP FI System Analyst
ABeam Consulting Singapore
Supported enterprise transformation work involving SAP S/4HANA financial processes and the translation of business requirements into structured system analysis.
2018 — 2023
Mission-Critical IT Operations
Digital and Intelligence Service
Built a technical foundation supporting infrastructure, networks and operational systems where availability, discipline and reliability mattered.
04
Capability
Business Analysis
- Requirements Gathering
- Process Modelling
- Gap Analysis
- Stakeholder Alignment
- Functional Specifications
Enterprise Systems
- SAP S/4HANA FI
- ERP Processes
- POS Systems
- CRM Systems
- System Integration
Data & Analytics
- SQL
- PostgreSQL
- Databricks
- dbt
- Power BI
Technical
- Python
- FastAPI
- Git
- Linux
- Infrastructure
05
Writing & Systems Thinking
06
Beyond Work
Outside enterprise systems, I train Muay Thai, play tennis, travel and pursue photography.
Muay Thai
Tennis
Photography
Travel