Samwel O.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Senior BI Developer highly skilled, trained and extensively experienced with 10+ years in data space and hands-on experience in Reports and Dashboards developments using tools like SSRS, Power BI , Tableau, SAP BI, QlikView, AWS Quick Sight, Looker etc. and deploying the interactive reports and dashboards solutions in productions environment. Additionally, ETL and Data Warehouse developer with extensive experience and highly skilled in designing, coding, testing and supporting next-generation OLTP and OLAP database solutions in Microsoft SQL Server database and SSIS. Proficient in database administration , SQL development, data source to target mapping as well as Extract, Transform and Load (ETL) process design. • Creation, development and deployments of SSRS Reports and dashboards that are interactive and meets the users needs using Microsoft Server SSRS 2008/2008R2,2012,2014,2016,2017 and 2019. • Creation, development and publishing of interactive Power BI dashboards and reports to Power BI Report server/Power BI service from Power BI desktop and Power BI desktop RS. • Creation, development of interactive Tableau dashboards, story-telling using Tableau desktop and publishing the Tableau server where users can access and use them. • Creation, development of interactive SAP BI reports using SAP Business Objects(BOBJ), on-prem thus enabling self-service capabilities. • Writing optimized SQL queries and DAX queries for calculations of various reports and dashboards metrics that meets the user reports needs. • Upgrading, migrations of reports(SSRS, Power BI, Tableau, SAP BI, Quick sight etc.), training users, providing support and solutions documentations of the solutions developed. • Design and Implementation of Extract, Transform and Load (ETL) systems using Microsoft SQL Server SSIS 2008 , 2012, 2014,2016, 2017 and 2019. • Experience in Multi -Dimensional data warehouse design and development using both Kimball and Inmon methodologies. • Extensive experience in creating T-SQL and PL/SQL programs as well as database objects in SQL server and Oracle databases (stored procedures, functions, types, triggers, synonyms, tables, indexes, constraints) • Experience in query optimization & performance tuning using Execution Plans, Performance Monitoring and implementing correct indexing strategies. • Experienced in production Database Administration tasks (Backup and restore, file groups and data file maintenance, maintenance of automated jobs and tasks) I have worked with global big companies in my career span of 10+ years. They include; i. Barclays Bank PLC. ii. ABSA Bank PLC. iii. Agency Bloc. iv. NCBA Bank Group PLC. v. Optum Health Services. vi. Smollan (Data Orbis ) vii. M-KOPA Solar Ltd viii. Pathways International Ltd WHY CHOOSE ME AS YOUR CONTRACTOR: 1.) Value for your money - I will complete your projects as required and on time. I have earned the trust of multiple clients in my career. 2.) Deep and extensive knowledge and experience of Microsoft SQL Server development tools and products. 3.) Consistency - I provide consistent and reliable work project after project to ensure that quality work is delivered to the satisfaction of client 4.) Communication - I am extremely responsive and I keep all lines of communication readily open with my Clients. 5.) Flexible - I can work with client long term or as short as few hours to provide a resolution to an immediate problem. I am grateful and eager to work with you to deliver consistent and reliable high level technical solutions to your Microsoft SQL Server design and development challenges. Please reach out to me whether it is just a clarification question(s) or you have a project need.