SQL
Noor Mazlina
Business Analyst
Summary
Experienced Business Analyst with over 7 years driving multimillion-dollar digital transformations for government and Fortune 500 clients. Proven expertise in translating complex requirements into high-performance, AI-powered data solutions—delivering up to 25% faster project timelines and achieving over 99% testing accuracy. Specializes in AWS, Hadoop/Spark, and Agile methodologies to develop secure, scalable analytics platforms.
Overview
8
8
years of professional experience
6
6
years of post-secondary education
5
5
Certifications
2
2
Languages
Work History
Business Analyst
IBM
01.2023 - Current
- Lead Business Analyst & QA Lead (Government Projects: DSTA & MINDEF)
- We implemented a cloud-based platform offers an end-to-end suite of AI and machine-learning tools that enables organizations to build, deploy, and manage models at scale.
- Championed stakeholder alignment across technical and business teams, delivering solutions with 100% requirement traceability.
- Authored 150+ business requirements and process flows, significantly reducing project scope ambiguity by 40%, accelerating development cycles.
- Redesigned and executed UAT frameworks (800+ scenarios), achieving a 99.2% defect detection rate and zero critical issues post-production.
- Mentored junior analysts, conducting root-cause analysis to identify and mitigate 15 high-risk process gaps, improving overall delivery timelines by 25%.
- Led continuous client engagement post-UAT, automating previously manual onboarding/offboarding workflows—introducing new functionalities like ownership transfers and automated error/status notifications, replacing manual Excel tracking.
- Managed extensive client communication, continuously refining and documenting evolving requirements to balance feature scope and ensure successful go-live and post-launch deliverables.
- Authored comprehensive user and DSO manuals, coordinated user onboarding, approvals, and administrative processes.
- Managed internal and external UAT activities, creating detailed test scripts, conducting test executions (QA, SIT, UAT), and meticulously documenting issue tracking until resolution.
- Supervised junior BAs and QA testers, coordinating efforts and providing mentorship throughout the project's lifecycle.
Business Analyst
IBM Singapore
01.2023 - 07.2025
- Actively participated in team meetings to share knowledge, exchange ideas, address challenges, and collaborate on potential solutions.
- Developed high-quality documentation to support training efforts, helping employees fully understand new systems and procedures.
- Streamlined project management with effective communication and collaboration across cross-functional teams.
- Performed gap analysis between existing systems or processes and desired state, identifying areas for improvement or enhancement.
Data Quality Assurance Specialist
IBM
10.2020 - 12.2022
- Championed a data testing initiative, resulting in 40% reduction in report generation time, 30% increase in data accuracy, and an award for exceptional project deliverables.
- Led the execution of formal test strategies, ensuring timely delivery of data-related projects while contributing to big data testing documentation and issue resolution, thereby enhancing overall data quality.
- Engineered test data scripts based on ETL mapping artefacts, facilitating comprehensive script execution analysis and closely monitored quality assurance measures such as defect rates to uphold data integrity.
- Proposed and developed automation solutions for daily data testing and monitoring, enhancing efficiency and accuracy by implementing targeted processes in the production environment, focusing on data tables.
Data Engineer
IBM
05.2019 - 10.2020
- Managed development process documentation, fostered team transparency, provided exceptional client support, identified service improvement opportunities, and drove data-driven enhancements, earning the IBM Way Award for excellence in project delivery.
- Created an end-to-end Big Data processing solution in the Hadoop ecosystem, using Spark API 2.0.0 on MS Azure HDInsight 3.6 (Hortonworks).
- Orchestrated the integration of Spark-SQL and Streaming to streamline data processing, leading to a 35% improvement in accuracy and faster data retrieval, enhancing overall operational effectiveness.
- Executed Hive schemas, employing performance techniques such as partitioning and bucketing for optimised data storage.
Software Quality Test and Data Analyst
IBM
06.2020 - 09.2020
- Collaborated in a cross-functional team to assess use case requirements, ensuring a clear grasp of project objectives.
- Worked closely with data analysts to develop effective testing methods and comprehensive test plans, enhancing testing efficiency.
- Conducted manual test cases to validate product functionality and performance in line with defined specifications.
- Diligently evaluated product code to identify and rectify deviations from established requirements, contributing to software quality assurance.
- Maintained detailed records of testing phases, faults, and defects, facilitating audit and review processes.
- Produced comprehensive test results reports and secured sign-off, promoting transparency and accountability in the testing process.
Data Integration Specialist
IBM
01.2020 - 05.2020
- Coordinated with client personnel across multiple countries (Philippines, Singapore, Malaysia) to gather data from various sources.
- Oversaw the consolidation of data from diverse sources into a centralized data repository in Amazon S3 Redshift, ensuring data accessibility and uniformity.
- Conducted rigorous data testing by validating data accuracy and compatibility through a comparison of data types between Amazon S3 Redshift and Excel data.
- Identified and rectified faults and discrepancies in data format and content, preserving data quality and reliability.
- Played a pivotal role in managing the data integration process, facilitating seamless data consolidation across borders and platforms.
Associate BA and Project administrator
IBM
02.2019 - 05.2019
- Applied IBM’s Design Thinking methodology to prepare and facilitate workshops, guiding participants through creative brainstorming and solution ideation.
- Managed project schedules, action plans, and risk analyses to keep initiatives on track and aligned with quality and budget constraints.
- Coordinated resources and communicated progress to stakeholders, ensuring clear visibility and timely decision-making.
- Oversaw end-to-end workshop execution, from data collection to outcome delivery, driving successful project outcomes.
Data consultant (Apprentice)
IBM
06.2018 - 01.2019
- Examined global DHL express package routes using PySpark codes, achieving a 20% improvement in delivery efficiency.
- Produced comprehensive code testing strategies utilising PySpark, leading to a 30% reduction in delivery lead times for global DHL Express packages.
- Resolved 100+ client queries per day, analysing customer data to optimise service delivery, resulting in a 50% increase in customer satisfaction and 15% decrease in response time.
Data Visualization Specialist (Intern)
ICON resources and technologies
09.2017 - 02.2018
- Engineered and deployed over 25 interactive data visualisations using Qlik Sense and QlikView software, achieving a 30% increase in data-driven decision-making and a 25% reduction in time spent analysing complex datasets.
- Orchestrated collaborative efforts with R&D team to elicit client requirements and establish clear project objectives, resulting in a 10% increase in client satisfaction and a 15% reduction in project timeline.
- Charted the development and testing journey, resulting in a 25% improvement in product quality and customer satisfaction.
Education
Bachelor of Computer Science - Big Data Analytics
University of Wollongong
01.2017 - 01.2021
Diploma in Business Information Systems - undefined
Republic Polytechnic
01.2016 - 01.2018
Skills
Requirements analysis
performance gap analysis
use case design
testing strategy development
automated software testing
Proficient in agile practices
Agile project management
ETL workflow management
Process optimization
Root cause identification
comprehensive risk evaluation
process performance enhancement
Stakeholder collaboration
High-stakes presentation skills
collaborative teamwork
team leadership
Experienced in Python programming
SQL data analysis
PySpark for big data solutions
Data processing with Hive
AWS platform experience
Proficient in Azure services
Proficient in MySQL queries
Proficient in PostgreSQL
Proficient in MongoDB usage
Jira task tracking
Proficient in Confluence
Excel data analysis
Certification
AWS Certified Cloud Practitioner
Personal Information
Nationality: Singaporean
Awards
- IBM Way Award, 2020
- DBS Excellence Award, 2021
- NS Hub Delivery Award, 2023
Phone
+65, 9897 9946
Software
Python
PySpark
Hive
Machine Learning
Qlik data vishualisation
H2OAI
AWS
Java/ Java Script
Jira
Confluence
Interests
Reading Books
Cooking
Baking
Timeline
Business Analyst
IBM Singapore
01.2023 - 07.2025
Business Analyst
IBM
01.2023 - Current
Data Quality Assurance Specialist
IBM
10.2020 - 12.2022
Software Quality Test and Data Analyst
IBM
06.2020 - 09.2020
Data Integration Specialist
IBM
01.2020 - 05.2020
Data Engineer
IBM
05.2019 - 10.2020
Associate BA and Project administrator
IBM
02.2019 - 05.2019
Data consultant (Apprentice)
IBM
06.2018 - 01.2019
Data Visualization Specialist (Intern)
ICON resources and technologies
09.2017 - 02.2018
Bachelor of Computer Science - Big Data Analytics
University of Wollongong
01.2017 - 01.2021
Diploma in Business Information Systems - undefined
Republic Polytechnic
01.2016 - 01.2018