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Senior Oracle & SQL Server Developer with 10+ years delivering enterprise data solutions across Healthcare, Banking, and Manufacturing. Specialized in PL/SQL, Oracle APEX, and performance tuning, with a track record of 70% database performance gains and leading teams to 60% higher productivity. Now expanding into data analytics and BI building applied skills in Power BI, AWS, and Snowflake to turn deep database expertise into faster, more actionable business insight.…Senior Oracle & SQL Server Developer with 10+ years delivering enterprise data solutions across Healthcare, Banking, and Manufacturing. Specialized in PL/SQL, Oracle APEX, and performance tuning, with a track record of 70% database performance gains and leading teams to 60% higher productivity. Now expanding into data analytics and BI building applied skills in Power BI, AWS, and Snowflake to turn deep database expertise into faster, more actionable business insight.

Sultan Mahmood

Database Developer, Data Analyst, Data Visualizer, +2

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Senior Oracle & SQL Server Developer with 10+ years delivering enterprise data solutions across Healthcare, Banking, and Manufacturing. Specialized in PL/SQL, Oracle APEX, and performance tuning, with a track record of 70% database performance gains and leading teams to 60% higher productivity. Now expanding into data analytics and BI building applied skills in Power BI, AWS, and Snowflake to turn deep database expertise into faster, more actionable business insight.…Senior Oracle & SQL Server Developer with 10+ years delivering enterprise data solutions across Healthcare, Banking, and Manufacturing. Specialized in PL/SQL, Oracle APEX, and performance tuning, with a track record of 70% database performance gains and leading teams to 60% higher productivity. Now expanding into data analytics and BI building applied skills in Power BI, AWS, and Snowflake to turn deep database expertise into faster, more actionable business insight.

Available to hire

Senior Oracle & SQL Server Developer with 10+ years delivering enterprise data solutions across Healthcare, Banking, and Manufacturing. Specialized in PL/SQL, Oracle APEX, and performance tuning, with a track record of 70% database performance gains and leading teams to 60% higher productivity. Now expanding into data analytics and BI building applied skills in Power BI, AWS, and Snowflake to turn deep database expertise into faster, more actionable business insight.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

English

Advanced

Work Experience

PLSQL Developer at Cybernetic Controls Limited

March 1, 2025 - Present

Contributed to technical design and architecture discussions for Oracle-based enterprise applications. Developed and deployed new functionality using Oracle SQL, PL/SQL and APEX. Enhanced application performance by 70% through query optimization, indexing, and execution plan analysis. Provided production support for live Oracle systems by resolving incidents, performance issues, and database errors. Worked closely with QA, BA, and project managers to meet delivery timelines, and mentored junior developers through code reviews and debugging best practices.

Principal Software Engineer at Strategic Systems International

October 1, 2022 - March 1, 2025

Designed and maintained 50+ Oracle Forms and Reports modules, ensuring 99% uptime and improving user satisfaction by 60%. Implemented advanced SQL/PL-SQL techniques using indexing and query optimization to achieve 70% performance improvements. Collaborated with cross-functional teams to align multiple Oracle modules to business requirements, delivered 10+ system enhancements, and improved user experience by redesigning UI elements and optimizing database queries. Directed a team of 4 developers to deliver projects on time.

Associate Manager at Allied Bank Limited

August 1, 2022 - October 1, 2022

Managed ETL processes for three data warehouses, improving data flow efficiency and ensuring seamless integration. Delivered 20+ integrated BI reports using Power BI, OBIEE, and Discoverer to support decision-making. Increased team productivity by 50% through task prioritization and delegation.

Senior Software Engineer at Shaukat Khanum Memorial Cancer Hospital

April 1, 2015 - August 1, 2022

Migrated Oracle Forms-based applications to Oracle APEX, reducing development time by 75% and improving user experience. Delivered 25+ Oracle Forms and Reports projects aligned to business requirements. Improved application speed by 25% using SQL/PL-SQL optimizations and advanced business logic. Designed ETL processes for migrating data from transactional tables to data warehouses for consistent analytics availability. Managed 100+ production deployments with a 99% success rate while minimizing downtime.