I will fix your java or spring boot bugs urgently

M
marcosam2809
M
marcosam2809
Marcos R
fix your java or spring boot bugs urgently
Full Screen
fix your java or spring boot bugs urgently

About this gig

IS YOUR JAVA/SPRING BOOT APP CRASHING? NEED A FIX FAST?

Don't waste hours on complex stack traces. When production is down, you need a senior engineer to resolve it immediately.

With 12+ years of enterprise experience in backend architecture, I will rescue your app. As a Senior Developer and IT Instructor, I don't just patch code - I deliver robust, clean, and explained solutions.

What I fix in 24 hours:

  • Spring Boot startup & config issues
  • Broken REST APIs & integrations
  • Database issues (JPA, Hibernate, SQL)
  • NullPointerExceptions & memory leaks
  • Security flaws (Spring Security)
  • General Java/Kotlin bugs

Why choose this Gig?

  • Emergency Focus: Fast response & urgent delivery.
  • Senior Quality: Clean, scalable fixes.
  • Clear Comm: I explain the root cause so you can prevent future issues.

️ IMPORTANT: Please message me BEFORE ordering with a brief description or error log. I'll review it instantly to confirm we can start!

  • Programming language

    • Java

  • Expertise

    • Debugging
    • Performance
    • Design
    • Databases
    • Testing procedures

  • Frontend framework

    • Angular
    • AngularJS
    • Next.js
    • React.js

  • Backend framework

    • NestJS
    • Spring

Get to know Marcos R

Marcos R

Senior Software Engineer

  • FromBrazil
  • Member sinceJul 2026
  • Avg. response time1 hour

  • Languages

    Portuguese, English, Spanish
I am a back-end developer with 12 years of Java Web experience, specializing in finance, ERP, and logistics applications. My expertise includes Java, Spring Boot, Kotlin, Microservices, Kafka, and Kubernetes. I am passionate about best programming practices, Big Data, and building scalable cloud-based solutions using AWS and Azure.

Related tags