Mostafizur RahmanExperience
Experience that shaped my approach
From data quality and analytics to business development, each role strengthened a different part of how I work with data, solve problems, and understand business needs.
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Sep 2025 – Present
Business Development Executive
Acote Group, Dhaka
What I did
- Analyse client data and market trends to find growth opportunities that match real customer needs.
- Generate leads and manage prospects in CRM tools so follow-ups and pipelines stay organised.
- Prepare proposals and internal reports that turn data into practical recommendations.
What it built
- Explaining findings to non-technical people and linking them to a decision.
- Keeping structured records (CRM data) accurate enough to analyse later.
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Dec 2024 – Aug 2025
Quality Assurance Associate
Acote Group, Dhaka
What I did
- Validated large AI/ML datasets across image, LiDAR and sensor data, maintaining over 99% accuracy in quality reviews.
- Ran routine data-quality checks to find recurring issues and applied corrective actions.
- Worked with QA teams to refine annotation guidelines and improve labelling consistency.
- Contributed to review-workflow improvements and basic process automation.
What it built
- Systematic data validation, spotting patterns in errors and writing clear rules.
- The habit of checking data before analysing it.
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Aug 2024 – Nov 2024
Associate (data annotation)
Acote Group, Dhaka
What I did
- Annotated and prepared 20,000+ images, LiDAR scans and sensor records while meeting productivity and quality standards.
- Collaborated with QA teams to refine guidelines and reduce inconsistencies found in reviews.
What it built
- Careful, structured data preparation inside a production AI workflow.
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Feb 2024 – Apr 2024
Data Analyst Intern
Hydroquo+, Dhaka
What I did
- Analysed over 3 million sensor data points to identify operational trends and anomalies.
- Built interactive dashboards and visual reports for internal stakeholders.
- Worked with cross-functional teams to improve data collection and reporting processes.
What it built
- First hands-on analytics, visualisation and reporting experience in an operational setting.