Senior Data Visualization Designer

HackerTrail | Date Posted: 16-Oct-2018
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Job Nature:
Position Level:
Experienced, Manager
Diploma, Bachelor's / Honours

Job Description

This role is accountable for the data visualization and reporting capabilities of Singtel Data & Analytics within Group IT:

  • Design and create reports and dashboards
  • Develop and maintain reporting framework
  • Gatekeeping review and manage delivery of data visualization and reporting projects
  • Conduct user training in using the tool
  • Provide user support, guidance and troubleshooting on reports and dashboards
  • Ensure that proposed solutions are aligned and conformed to the visualization and reporting guidelines and roadmap.


  • Analyze, estimates, design, development, testing, and production roll-out of data visualization and reporting projects
  • Consult the users with the understanding of business and data requirements, and iteratively design visualizations for initial concepts and prototypes
  • Design and create data visualization (reports and dashboards) using techniques for guided analytics, interactive dashboard design and visual best practices
  • Deliver dashboards to convey the story points of the data
  • Design, development and maintenance of a reporting framework including creation of enterprise reporting, ad-hoc query and analysis
  • Review, approve and manage delivery of data visualization and reporting projects
  • Conduct data analysis of large transaction data sets
  • Perform data preparation or / and data modelling
  • Apply best practices and techniques to ensure best possible performance, quality and responsiveness of the developed reports and dashboards
  • Manage repository of re-usable data visualization templates and views
  • Create user guide, conduct user training and demo of solutions / tools
  • Provide user support, guidance and troubleshooting on reports and dashboards
  • Setup and maintain security access control including user administration, site management
  • Acting as mentor and subject matter expert for visualization and reporting tools across the organization

Job Requirement

  • Minimum 6 years of experience in design and development of reports, dashboards in a Business Intelligence environment
  • Strong hands-on experience on Tableau
  • Strong hands-on experience on Cognos BI
  • Strong knowledge in SQL
  • Knowledge of data warehouse concepts and data modeling
  • Experience in creating mock-up and prototyping
  • Experience in storytelling with data
  • Experience in analyzing business / data requirements, deliver design and estimate, development, testing and production deployment of reporting and dashboards projects
  • Experience in performance fine-tuning of queries, reports and dashboards
  • Experience in data preparation
  • Experience in security administration, design and setup of authorization and user management
  • Experience in admin functions related to data sources, extracts, schedules, tasks, subscriptions, upgrades, monitoring server status and performing tuning
  • Experience in creating user guide and conduct user training
  • Understanding and experience with the Software Development Life Cycle and Agile methodologies

Technical competency:

  • Tableau
  • Power BI
  • Cognos Reporting
  • SQL
  • Self-Service Data Preparation tools
  • Business Intelligence tools
  • Data warehouse
  • Big Data Platform based on Hadoop

 Essential skill set:

  • Highly organized, self-motivated, pro-active, and ability to manage time and projects.
  • Strong in user requirements and consulting.
  • Ability to analyze and understand complex problems.
  • Ability to explain technical information in business terms.
  • Ability to communicate clearly and effectively, both verbally and in writing.
  • Good experience in managing users and vendors.
  • Ability to thrive in an agile work environment.
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