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Abdullah Khalil
@abdullah7181
Level 1
Dot Net Developer API and Database Specialist Agile Scrum Practitioner
Pakistan
Urdu, French, English
About me
I help businesses manage and optimize their data systems using SQL, ETL processes, PostgreSQL, and Amazon Aurora. From building efficient ODS/SDS reporting queries to improving performance through indexing and partitioning, I ensure fast and reliable data operations. I also leverage AWS to deliver scalable and modern data solutions.
Skills
Abdullah Khalil
$15/hour
Offline •
Average response time: 1 hour
See my services
Reports
I will build, modify and optimize crystal reports
Database Development
I will optimize slow sql server queries and boost database performance
Want to work on an hourly basis?
Tell Abdullah Khalil what you need.
$15
/
hourPortfolio
Work experience
SQL Server & .NET Developer | Reporting & Database Specialist
ERA Environmental Management
Jul 2021 - Present • 5 yrs 1 mo
I am a Senior SQL Server and .NET Developer with 8+ years of experience building and optimizing enterprise SaaS applications. I have worked extensively on complex SQL Server reporting systems and advanced T-SQL development for a SaaS platform managing large-scale environmental emissions data, supporting global automotive clients including Ford, Toyota, and Mercedes-Benz. My expertise includes: • Advanced T-SQL development, query optimization, and performance tuning • Complex reporting systems and dynamic query engines • Database design, data integrity, and compliance-driven solutions • ASP.NET (VB.NET, C#) web application support • Enterprise-level scalability and security standards I also implemented Test-Driven Development (TDD) principles within SQL Server using T-SQL unit testing frameworks to ensure data accuracy and compliance. If you need a developer who understands performance, reliability, and enterprise-grade systems — I can help.
64 Reviews
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Rating Breakdown
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- Quality of delivery
- Value of delivery
1-5 out of 64 Reviews
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arvesh
Mauritius
Ongoing collaboration
Abdullah demonstrated strong expertise in Crystal Reports and delivered beyond expectations. He quickly understood our business requirements, built accurate and optimized reports, and ensured smooth performance. His communication was clear, and he was very responsive throughout the project. I highly recommend him for any reporting or SQL-related work.
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arvesh
Mauritius
Ongoing collaboration
Abdullah did a fantastic job on my SQL Server task. He has strong technical knowledge, explained things clearly, and made sure everything worked perfectly. Very professional and supportive throughout the project. I would gladly recommend him to anyone needing SQL expertise.
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Helpful?
arvesh
Mauritius
Ongoing collaboration
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didaggelos
Greece
Ongoing collaboration
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didaggelos
Greece
Ongoing collaboration
Helpful?
