Siam Sadman
Power BI DeveloperMicrosoft Fabric Analytics Engineer
BI Developer and Reporting Analyst with 10+ years in enterprise reporting, building automated reporting pipelines and Power BI dashboards in production environments for clients including British American Tobacco Bangladesh, Arnott's Australia and TOLL Australia.
02 / Experience
Experience
Apsis Solutions Limited
Dhaka, Bangladesh · Feb 2017 – Aug 2026
Reporting Analyst (BI & Analytics) · Jan 2022 – Aug 2026
Senior Reporting Officer · Jan 2019 – Dec 2021
Reporting Officer · Feb 2017 – Dec 2018
Reporting team lead throughout tenure
Client engagement
British American Tobacco Bangladesh
Workstream
Reporting operations leadership
Jul 2016 – June 2025- Led a team of 2–4 analysts delivering approximately 130 scheduled and ad-hoc reports per month to BATB's central analytics function, regional managers and area managers.
- Owned the full reporting lifecycle for BATB's CRM and sales force automation platform, from requirement gathering through delivery, covering sales, distribution, trade and campaign reporting.
- Designed reusable Power Query report templates that converted recurring manual Excel production into paste-and-refresh outputs, reducing hands-on effort and enabling team-wide self-service.
- Developed T-SQL queries against the CRM and transactional databases, handling datasets from hundreds to millions of rows.
- Acted as the client's primary reporting point of contact, sustaining the engagement across a vendor transfer and eight subsequent years.
Workstream
Business intelligence modernisation
2021 – 2025- Introduced Power BI capability to BATB and delivered 10–12 dashboards covering sales, distribution and campaign analytics, moving the account from manual Excel output to interactive reporting.
- Delivered BI work concurrently with reporting team leadership, contributing to two project teams simultaneously.
Client engagement
Arnott's Australia — Power BI delivery
2021 (3–4 months)- Joined the Apsis Power BI delivery team for Arnott's Australia P&L reporting, building 4–5 dashboards and authoring hundreds of time-intelligence DAX measures (LY, LM, LQ) with USERELATIONSHIP logic for heavily filtered multi-date models.
Client engagement
TOLL Australia — Power Platform automation
Sept – Dec 2025Preceded by a self-directed month learning Power Automate (Aug 2025) before project start.
- Primary builder on a two-person team re-engineering a failing UiPath user onboarding process into Power Automate, delivering five production automations across DEV, UAT and PROD environments.
- Built unattended Power Automate Desktop RPA handling batches of up to 200 users per run, executing twice daily — Microsoft Entra ID provisioning via Graph API, Adobe licensing API, Active Directory security group and licence assignment (M365 F3/E5), and browser automation across three internal client portals.
- Implemented input sanitisation, step-level validation and a dedicated error-handling subflow with automated ServiceNow ticket creation and stakeholder notification; the solution ran in production with no reported failures.
- Developed the reverse offboarding automation to revoke access and licensing across the same systems.
- Automated a daily licence cost allocation report reconciling employee data, active Microsoft licence inventory and annual pricing into department-level cost output, reducing production time to under 30 seconds.
Internal delivery support
Internal delivery support
2026- Supported internal ERP and CRM teams with SQL development and reporting; designed application UI and UX in Figma for internal products.
Earlier roles
Market Express Limited
Dhaka · Jul 2016 – Feb 2017
Reporting Officer
Established the reporting service for British American Tobacco Bangladesh. BATB subsequently consolidated the engagement under Apsis Solutions, the vendor operating its CRM platform, and the team transferred with the account.
K.S. International
Dhaka · 2014 – Jun 2016
Digital Media Developer
The Hub Ltd.
Dhaka · 2011 – 2014 · Part-time
Information Service Department Manager
03 / Proof points
95% → 91.9%
Independent SQL validation
Caught an on-time rate reading 95% instead of the correct 91.9% through independent SQL validation of every DAX measure.
48% mismatch
Arrival timestamp derivation
Adding elapsed minutes to departure time disagreed with the reported arrival on nearly half of all flights. Diagnosed to gate-to-gate local clock time and resolved without a timezone reference dataset.
41.8M rows · 0 failures
Unattended backfill
Seventy-one monthly periods loaded end to end in seven hours through a Fabric pipeline, with retries configured on every activity and none fired.
10+ min → 41s
SQL Server import
Cut a 98,000-row SQL Server import from 10+ minutes to 41 seconds by correcting column type declarations.
04 / Projects
Projects
05 / Skills
Skills
BI and Analytics
Microsoft Fabric
Data and Databases
Automation and RPA
Identity and Cloud
Design and Delivery
Leadership
06 / Certifications & Education
Certifications & Education
Certifications
Microsoft Certified: Fabric Data Engineer Associate (DP-700) · October 2026
Verify↗
Microsoft Certified: Fabric Analytics Engineer Associate (DP-600) · August 2026
Verify↗
Microsoft Certified: Power BI Data Analyst Associate (PL-300) · July 2026
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EF SET English Certificate — C1 Advanced
Reading C2 · Listening C2 · Speaking C2 · Writing B2
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Education
B.Sc. in Computer Science
Prime University, Dhaka · 2012 · CGPA 3.44
07 / Contact
Contact
Currently open to new roles — Dhaka or remote.