Sameera Perera Email & Phone Number

Colombo, Sri Lanka

Professional Summary :- Conduct exploratory data analysis to optimize business processes, advising senior management on proactive measures.- Lead initiatives enhancing data translation and analysis skills among business unit teams, focusing on data visualization and cloud computing.- Translate analytical insights into actionable strategies supporting diverse business units.- Evaluate data analytic products, manage customer insights, and oversee campaign management.- Mentor over 50 fresh graduates in the company's analytic intern program during COVID-19 and economic crises.- Proficient in data visualization tools (Tableau, Amazon QuickSight, Power BI) and presentation using analytic and OLAP tools.Projects:Analytics Platform Cloud Migration - 2021/2022 :- Analyzed business unit requirements and developed migration project proposals and scopes of work (SOW).- Designed and architected analytic cloud infrastructure and user platforms.- Integrated main transaction and reporting systems with cloud databases.- Migrated on-premise dashboards, reports, and Datamart's to cloud visualization platforms.- Managed parallel runs, administration, governance, and staff onboarding to cloud platforms.- Migrated technologies from Oracle EDW, Hadoop Big Data to Snowflake Data Lakehouse, Microsoft SSRS 2012 to 2019, and on-premise Tableau Server to AWS EC2-based.Data Visualizations Platform Implementation - 2016/2017 :- Led requirement discussions with business, technical teams, and vendors.- Configured production database servers and integrated systems into internal networks.- Conducted user acceptance testing (UAT) and training sessions.- Oversaw production deployment (Go Live) and provided post-implementation support.- Migrated technologies from Oracle Business Intelligence Enterprise Edition (OBIEE) to Tableau.

Carried Responsibilities in :- Document requirements for ongoing reporting to centralized reporting teams and ensure implementation of automated reporting processes.- Data mining to identify available data, ensure consistency/accuracy in data sources, and creating reports for analysis.- Developing and maintaining company data warehouse in Oracle 8i, 9i, 10g and 11g platforms.- Responsibility in analyzing data and providing information to the operational, Middle and senior management in the company.- Handling projects of data profiling and cleansing on customer and call detail Information.- Core project member in first implementation of Data warehouse and Business Intelligent system in the company.- Working on UNIX and Oracle 9i, 10g, 11g and Microsoft SQL Server 2005/2008 Database platforms.

• Conduct requirement gathering discussions with Management,Business Units and Implementation Vendor to identify theirrequirements and current business processes.• Both Application and Database Server Setup and Configuration• Manage the production Database Servers and Setup to InternalNetwork connect with Head Office Systems• IT System Administrations of Finance, HR and Banking activities andManagement Information Report Preparations

Postgraduate Diploma (Pgd), Information Management (Im)

Mbcs, Computer And It

Diploma, Computing And Information Technology