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Jamal A
@programmer_23
Senior Software Engineer
Pakistan
Englisch
Über mich
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.
Kompetenzen
Jamal A
offline •
Durchschnittliche Antwortzeit: 1 Stunde
Meine Dienstleistungen
Desktop-Anwendungen
I will be your java tutor, programming, developer, java full stack developer
Desktop-Anwendungen
I will create and debug java console or desktop applications professionally
53 Bewertungen
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Zusammensetzung der Bewertung
- Kommunikation
- Qualität der Lieferung
- Preis-Leistungs-Verhältnis der Lieferung
1–5 von 53 Bewertungen
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kamal_orujov
Lettland
Antwort des Freelancers
Hilfreich?
raheelshaikh999
Vereinigte Staaten
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.
Antwort des Freelancers
Hilfreich?
arnobrizwan
Bangladesch
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.
Hilfreich?
abdulkareemalno
Wiederkehrender Kunde
Vereinigte Staaten
Good seller.
Antwort des Freelancers
Hilfreich?
abdulkareemalno
Wiederkehrender Kunde
Vereinigte Staaten
Good work.
Hilfreich?
