Aisha Khalif
Melbourne,VIC
Summary
I'm a results-driven data and business professional with over 10 years of experience spanning data science and analytics, market research, administrative operations, web design, and IT support. Strong background in managing and analysing large datasets using SQL, Python, and R, building automated reporting solutions, and delivering actionable insights through Power BI and Tableau. My main experiences are in supporting operational performance, improving reporting processes, and translating complex data into clear recommendations for senior stakeholders across divisions exceeding 5,000 employees.
In addition to analytics roles, I bring hands-on experience in research, system support, coding, and cross-functional collaboration, giving me a well-rounded understanding of both technical systems and business operations.
I'm a Computer Science and Business Management graduate currently almost done with a Master’s in Data Science. I have a strong passion and interest for technology, statstics, predictive analysis and most importantly continuous technological improvement. I am eager to apply analytical, technical, and problem-solving skills to drive meaningful impact in in diverse, real-world environments.
Overview
11
11
years of professional experience
Work History
Data Analyst, Valuations Risk and Quality
National Australia Bank
Melbourne, AUS
10.2022 - Current
- Led end-to-end data lifecycle management for large-scale property valuation datasets, from extraction and transformation, using SQL, Python and R, to reporting and stakeholder delivery.
- Designed and automated ETL pipelines processing multi-million-record datasets, improving reporting efficiency and reducing manual intervention.
- Designed, developed, and maintained automated ingestion pipelines for weekly external property and valuation datasets, writing and optimising the SQL/Python code responsible for loading, validating by anomaly detection and data validation checks and structuring data within internal databases to ensure reliable, analysis-ready datasets for reporting, backtesting, and ad hoc analytical requests across multiple teams.
- Conducted quarterly AVM backtesting and cross-provider performance analysis, identifying accuracy gaps, bias trends, and model drift to support risk mitigation and delivering reports summarising AVM performance, forecast variance, and confidence metrics
- Designed, built, and maintained the full Automated Valuations Model backtesting and provider comparison framework (in SQL and Python), providing detailed performance analytics across multiple property attribute segments identifying accuracy gaps, bias trends, and model drift to provide data-driven recommendations on provider value and cost effectiveness in support of the department initiative of an 80% AVM - 20% physical valuation strategy
- Owned and delivered comprehensive quarterly AVM performance reports and dashboards, with the purpose of highlighting accuracy shifts, confidence metrics, improvements, forecast variance, emerging weaknesses, and outliers (including internal data quality impacts)
- Quarterly meeting and partnering directly with the providers and their data scientists to review their model changes, interpret performance movements, and align internal processes with evolving AVM methodologies.
- Implementing data governance standards to improve documentation, traceability, and audit readiness.
- Led the migration of legacy Tableau reports to Power BI as part of a department-wide initiative to enhance user accessibility to reporting. Redesigned data models and DAX measures to improve performance, strengthen governance, and ensure greater scalability across the reporting environment.
Data Analyst, Direct Reporting Platforms
National Australia Bank
Melbourne, AUS
03.2020 - 10.2022
- Managed end-to-end reporting for a 5,000+ employees in the Direct Banking division, delivering data insights across 100+ teams to support operational and performance decision-making.
- Developed enterprise-level Tableau and Power BI dashboards providing leadership with real-time visibility into application flow, conversion rates, and pipeline health
- Created interactive Tableau and Power BI reports enabling drill-down analysis at team, banker, and product levels to identify performance trends and bottlenecks
- Produced recurring executive reporting packs summarising KPIs, service levels, and operational performance across Direct Banking
- Automated recurring reporting processes, reducing manual workload and significantly improving turnaround times for quarterly, monthly and weekly reporting cycles
- Integrating existing analytical processes into new technologies – amazon, async etc
- Managing tickets and requests from Leads across different departments around managing/extracting and investigating data
- Regularly meeting with stakeholders to explain the data and get requirements for data wanted to enhance existing reports
- Developed and optimized SQL scripts for efficient data organization, enhancing reporting accuracy and streamlining stakeholder data delivery processes.
Advisor, Funding & Notifications
National Australia Bank
Melbourne, AUS
05.2018 - 03.2020
- Supported mortgage brokers with home loans and complex financial products to help bring in more customers
- Designed and implemented a SharePoint-based tracking system using client-side scripting to collect, organise, and analyse team call data, enabling leadership to efficiently access information team members provided to brokers, improving transparency, monitoring accuracy, and strengthening accountability around misinformation as part of a department wide initiative to improve traceability and documentation
- Served as the team “Communications Champion”, leading internal communications to strengthen collaboration and engagement. Acted as a key liaison between cross-functional teams to make sure there is alignment when interdepartmental collaboration was required.
- Acted as the team’s Floor Support, assisting colleagues with complex issues outside their usual scope and helping on challenging scenarios. As well as taking over any escalated cases requiring more experienced banking knowledge to ensure a more timely and accurate resolution.
- Trained new members and developed comprehensive training materials outlining team processes and role responsibilities to ensure smooth onboarding and integration
Assistant Junior Engineer
EdgSolutions
Dubai, UAE
11.2017 - 01.2018
- Supported senior engineers in developing and refining responsive UI components to enhance user experience. Working mostly with SQL, Java, ASP.NET Core, C#, Javascript, HTML/CSS
- Assisted in implementing and maintaining integrations with third-party services, including CRM systems and payment gateways such as Stripe and PayPal.
- Responsible for most of the system and integration testing, identifying bugs and validating functionality prior to deployment.
- Helped ensure secure data handling practices were followed, supporting compliance with SSL and PCI security standards.
Market Researcher
Tejuri Com LLC
Dubai, UAE
01.2017 - 11.2017
- Conducted economic and market research to collect and analyze data on businesses operating across Dubai, supporting initiatives led by the Dubai Department of Economy and Tourism.
- Contributed to the development of a centralized online business hub by gathering, organizing, and validating commercial data from companies across the city.
- Designed and implemented survey methodologies to capture actionable insights on market trends, industry performance, and consumer preferences.
- Liaised directly with business owners and stakeholders to verify and update records, ensuring data accuracy and compliance.
- Provided administrative support, including scheduling meetings, coordinating appointments, and responding to stakeholder and customer inquiries.
Web Development intern
Studio9 Web Design
Perth, Western Australia
07.2016 - 12.2016
- Built responsive, user-focused interfaces using JavaScript and HTML/CSS, focusing on cross-browser and cross-device compatibility.
- Developed and maintained back-end components using .NET, C#, PHP, and SQL to support dynamic content and data-driven features.
- Optimised and refactored code to improve application performance, scalability, and overall user experience across multiple platforms
- Responsible for the majority of the testing
Administrative Support
Bernwood Recruitment Agency
Perth, Western Australia
01.2015 - 06.2015
- Performed general administrative duties, including filing, invoicing, and managing correspondence
- Maintained and organized client files and company databases
- Scheduled and coordinated client appointments
- Communicated with clients and stakeholders via phone and email to book appointments, resolve issues or just general inquiries on business and acting as a liaison between clients and senior management
- Coordinated communication and workflow between our team and other internal teams
Education
Langford College
Perth, Western Australia12-2012
Bachelor of Science - Computer Science & Business Management
Murdoch University
Perth, Western Australia09-2017
Western Australian Certificate of Education -
Langford College
Perth, Western Australia12-2012
Skills
- Data Analysis (Experienced)
- SQL (Experienced)
- Power BI (Experienced)
- SAS (Skillful)
- Tableau (Experienced)
- Python (Skillful)
- Java (Skillful)
- C# (Skillful)
- JavaScript (Skillful)
- HTML (Experienced)
- CSS (Experienced)
- PHP (Novice)
- NET (Novice)
- C (Experienced)
- C (Experienced)
- Excel functions (Experienced)
- Data visualization and presentations (Experienced)
Languages
English
Somali (Highly proficient)
Arabic (Proficient)
Spanish (Novice)
Timeline
Data Analyst, Valuations Risk and Quality
National Australia Bank
10.2022 - Current
Data Analyst, Direct Reporting Platforms
National Australia Bank
03.2020 - 10.2022
Advisor, Funding & Notifications
National Australia Bank
05.2018 - 03.2020
Assistant Junior Engineer
EdgSolutions
11.2017 - 01.2018
Market Researcher
Tejuri Com LLC
01.2017 - 11.2017
Web Development intern
Studio9 Web Design
07.2016 - 12.2016
Administrative Support
Bernwood Recruitment Agency
01.2015 - 06.2015
Langford College
Bachelor of Science - Computer Science & Business Management
Murdoch University
Western Australian Certificate of Education -
Langford College
Hobbies
I love gardening, playing video games, cooking, travelling and anything that involves a beach and some sun