Dijin Thomas
Analytical Professional
Sydney
Summary
Experienced professional with over a decade of global banking industry experience, including seven years at Westpac Australia. Recognized for meticulous attention to detail and deep understanding of business needs. Skilled at finding optimal solutions to drive organizational success.
Overview
15
15
years of professional experience
4
4
years of post-secondary education
Work History
Engineer/Service Owner
Westpac Banking
Sydney, New South Wales
01.2021 - Current
- Delivered high value ,high impact programs like PaperZero , Pre-Payment Exposure.
- Worked as a Service Owner and managed a team of 14.
- Established strong working relationships with clients through exceptional communication skills, fostering trust and collaboration.
- Achieved successful project outcomes by maintaining accurate documentation and meeting strict deadlines.
- Developed cost estimates and project specifications for proposals.
Data Scientist
Westpac
Sydney, New South Wales
07.2019 - 01.2021
- Evaluated Auto Income Verification for Mortgage Application to reduce TTR for Westpac MFI customers through CSH, Identified low risk Mortgage Applications to be prioritized to reduce TTR.
- Identified options to increase Straight Through Processing of Un-Secured Credit Card applications for existing Customers.
- Created Data Product for all customers interactions through all channels.
- Worked on MultiBrand & MultiBranch analysis for WBC & SGB.
- Analyzed performance of CC vs BNPL for existing customers and prototyped approval process for BNPL product for WBC.
- Evaluated benefits of Fixed vs Variable rate for Secured Lending.
- Prototyped Transaction Categorization for transactions from OFI/Open Banking.
- Analyzed performance of Third Party mortgage broker queue.
- Analyzed different types of Interactions and impacts of branch closure at rural, regional & urban areas.
- Evaluated Customer Digital interactions behaviors Pre & Post closure of home branch.
- Analyzed Covid-19 impact on affluent vs non-affluent customers, impact on customers savings.
- Dataiku tool evaluations, internals training sessions with vendors.
- Advanced Analytics - Group Strategy
Big Data Consultant
Westpac
Sydney, NSW
03.2018 - 07.2019
- Company Overview: Accenture
- FSV - ICM & Lenders Assist
- Income Confidence Measure provides a confidence indicator on different Customer Income. ICM is calculated based on the statistics on the Customer's income pattern, frequency, and regularity from all the sources including Salary, Superannuation, Investments, and other Incomes. The confidence measure is used to auto approve PL/credit card for High valued/rated customer.
- Transactions Categorization
- Transactions categorization gives a category to all the transactions done by all the customer from the Westpac group. Categorized data is being used by multiple use-cases including Compliance, lending, and customer risk profiling.
- Demonstrated consulting-based leadership experience on specialized projects and displayed overall knowledge of information systems.
- Applied statistical and algebraic techniques to interpret key points from gathered data.
- Collaborated with internal stakeholders, identifying and gathering analytical requirements for customer, product and projects needs.
- Led projects and analyzed data to identify opportunities for improvement.
- Worked closely with business executives & Senior Data Scientist to define ICM rules.
- Defining Transaction Categorization rules in collaboration with business.
- Developing and refining code to reach required match percent requirement.
- Coding in Python using Spark and Pandas on Big Data Platform.
- Coding in SQL over Big Data using SprakSQL using Python.
- Accenture
Big Data Specialist
HSBC
London, United Kingdom
10.2015 - 03.2018
- Company Overview: Infosys
- Customer Due Diligence and KYC:
- CDD/KYC deals with identifying each Customer's aggregated transaction summary to re-risk rate a customer. It helps to better monitor customer activities and identify anomalies.
- Common Payments Model:
- Common Payment model acts as a Single Golden data source for HSBC payments data from multiple data sources. The model enabled business users to view and build reports over the multiple Payment source system together from multiple countries to get a consolidated view of Payments data.
- Worked closely with Business stakeholders, chief data officer and senior architects to maintain optimum levels of communication to effectively and efficiently complete projects.
- Programming in Python and Java to create Customer summary on monthly Credit and Debit transactions.
- Writing queries on Hadoop Platform using Apache Hive, Apache Pig, shell scripting and Python programs to set risk parameters to identify irregular patterns in transaction.
- Creating visualization using Tableau and Platform visualization reporting tools.
- Programming in Python to aggregate data from multiple sources and transform it into required format.
- Lead offshore team of 5 members.
- Infosys
Big Data Hadoop Developer
Apple
Hyderabad, Telengana
06.2014 - 10.2015
- Company Overview: Infosys
- Apple Law Enforcement & Compliance:
- Apple Law Enforcement & Compliance team need to generate Batch and Adhoc reports for requested DSID, IP and Machine address as and when required by the Governing body and the compliance team. These reports enable Apple to comply in with the regulatory bodies.
- Apple iTunes Ops migrations.
- Paper Tiger set of reports generates a monthly report of different purchases done in Apple iTunes for different USD ranges. The reports were initially implemented in Teradata but were moved to Hadoop/Hive for better cost efficiency.
- Met with key stakeholders to discuss and understand all major aspects of project, including scope, tasks required and deadlines
- Writing SQL queries on Hadoop Platform using Apache Hive to generate reports for compliance reporting.
- Creating visualization using Tableau.
- Worked with client/onsite team collaboratively to deliver project.
- Developed highly maintainable Hadoop code and followed all best practices regarding coding.
- Inspected and analyzed existing Hadoop environments for proposed product launches, producing cost/benefit analyses for use of included legacy assets
- Supervised Hadoop projects and offered assistance and guidance to junior developers.
- Performed data cleaning on unstructured information using various Hadoop tools
- Infosys
Senior Developer
Horizon Blue Cross Blue Shield-USA
Hyderabad, Telengana
07.2011 - 06.2014
- Company Overview: Infosys
- Horizon Blue Cross Blue Shield of New Jersey
- Horizon Blue Cross Blue Shield of New Jersey is a leading Health Insurance provider in the New Jersey. Payments claims are being generated in the TSO mainframes screen. ClearQuest is used as a ticketing tool and tickets are assigned to the team for claim mismatch and other customer related issues.
- Java Coding and writing unit Test Cases.
- Writing SQL queries and Procedures in DB2.
- Infosys
Systems Engineer Trainee
Infosys Tech.Ltd
Mysore, Karnataka
02.2011 - 07.2011
Trainee Engineer
Cognizant Technologies
Chennai, Tamil Nadu
11.2010 - 02.2011
Education
Bachelor of Science - Information Technology
SD Bansal College of Technology(RGTU Bhopal)
Indore, Madhya Pradesh 09.2006 - 06.2010
Skills
- Data-informed decision making
- Statistical evaluation
- Quantitative analysis
- Discovery facilitation
- Consumers Credit Card & Personal Loans- FSV
- Mortgage financing expertise
- Consulting expertise
- Data-informed decision making
Timeline
Engineer/Service Owner
Westpac Banking
01.2021 - Current
Data Scientist
Westpac
07.2019 - 01.2021
Big Data Consultant
Westpac
03.2018 - 07.2019
Big Data Specialist
HSBC
10.2015 - 03.2018
Big Data Hadoop Developer
Apple
06.2014 - 10.2015
Senior Developer
Horizon Blue Cross Blue Shield-USA
07.2011 - 06.2014
Systems Engineer Trainee
Infosys Tech.Ltd
02.2011 - 07.2011
Trainee Engineer
Cognizant Technologies
11.2010 - 02.2011
Bachelor of Science - Information Technology
SD Bansal College of Technology(RGTU Bhopal)
09.2006 - 06.2010
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