I will debug, write, and optimize java code and sql databases

A
aron_jimenez_
A
aron_jimenez_
Aron J
debug, write, and optimize java code and sql databases
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debug, write, and optimize java code and sql databases

About this gig

As a Computer Engineering student, I specialize in backend logic, core algorithms, data structures, and database design. Whether you need help debugging a persistent error, completing a small project, or optimizing your database queries, I have got you covered.


Services I Offer:


  • Java Programming: OOP concepts (Classes, Inheritance, Polymorphism, Interfaces), MVC pattern, and backend logic.
  • Debugging & Bug Fixing: Identifying and resolving syntax errors, runtime exceptions, and logical bugs in Java.
  • Data Structures & Algorithms: Arrays, LinkedLists, Stacks, Queues, Trees, Sorting, and Searching algorithms.
  • SQL & Databases: Writing optimized queries, table creation, joins, schema design, and MySQL database management.
  • Clean Code: Well-documented and easy-to-read code with explanatory comments.


Why Choose Me?


  • Strong Academic Foundation: Solid CS fundamentals backed by ongoing university engineering coursework.
  • Clean & Readable Code: Every solution includes code comments so you understand how it works.
  • Fast Delivery & Clear Communication: Timely updates and dedicated support until you are fully satisfied.


  • Programming language

    • Java

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Design
    • Databases
    • Source control

Get to know Aron J

Aron J

Computer Engineering Student Java and SQL Expert

  • FromSpain
  • Member sinceOct 2026
  • Avg. response time1 hour

  • Languages

    English, Spanish
Hi, I'm a 3rd-year Computer Engineering student at the University of the Basque Country (UPV/EHU) in Spain. My core expertise is in backend development, Java, object-oriented programming (OOP), data structures, algorithms, and relational databases using SQL. I help clients debug code, implement data structures, and optimize database queries with clean, efficient, and well-documented solutions. Feel free to reach out before ordering.

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