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Jamal A
@programmer_23
Senior Software Engineer
Pakistan
Inglese
Chi sono
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.
Competenze
Jamal A
offline •
Tempo di risposta medio: 1 ora
Consulta i miei servizi
App desktop
I will be your java tutor, programming, developer, java full stack developer
App desktop
I will create and debug java console or desktop applications professionally
53 Recensioni
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Valutazione dettagliata
- Livello di comunicazione del venditore
- Qualità della consegna
- Valore della consegna
1-5 di 53 recensioni
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kamal_orujov
Lettonia
Risposta del venditore
Utile?
raheelshaikh999
Stati Uniti
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.
Risposta del venditore
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
Cliente abituale
Stati Uniti
Good seller.
Risposta del venditore
Utile?
abdulkareemalno
Cliente abituale
Stati Uniti
Good work.
Utile?
