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Jamal A
@programmer_23
Senior Software Engineer
Pakistan
Anglais
À propos de moi
I’m a Senior Software Engineer with 8+ years of experience in Java development, SQL, MySQL, Android apps, and database optimization. I specialize in query tuning, schema design, and data warehousing for MySQL, Oracle, and SQL Server.
I’ve helped students and clients build efficient Java applications, scalable databases, and clean backend code. Whether you need help with slow SQL queries, Java debugging, mobile app performance, or full stack development, I deliver high-quality solutions with fast turnaround and clear communication.
Compétences
Jamal A
hors ligne •
Temps de réponse moyen de 1 heure
Voir mes services
Applications de bureau
I will be your java tutor, programming, developer, java full stack developer
Applications de bureau
I will create and debug java console or desktop applications professionally
53 Avis
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kamal_orujov
Lettonie
Réponse du freelance
Utile?
raheelshaikh999
États-Unis
I highly recommend programmer_23 for his exceptional data expertise and mentorship. During our project, they generously took the time to personally train me on SQL basics and Teradata, significantly enhancing my technical skills. Their professionalism and willingness to share knowledge make him outstanding collaborator.
Réponse du freelance
Utile?
arnobrizwan
Bangladesh
Very cooperative ,but send me a code full of bugs ,even later send another one which one didn't met 10% of my expectations, didn't understand the project.
Utile?
abdulkareemalno
Client récurrent
États-Unis
Good seller.
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abdulkareemalno
Client récurrent
États-Unis
Good work.
Utile?
