I will write, debug, and optimize your application code

R
rafael_fuchs
R
rafael_fuchs
Rafael F
write, debug, and optimize your application code
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write, debug, and optimize your application code

About this gig

Are you struggling with a stubborn bug, need a custom script, or want to build a new feature from scratch? I am here to help!

As an experienced software developer specializing in Python, Java, Go, and JavaScript, I provide high-quality coding, debugging, and optimization services tailored exactly to your needs.

What I Offer:

  •  Code Writing: Custom scripts, backend logic, API integrations, and new feature development.
  •  Debugging: Identifying and squashing complex bugs, memory leaks, or logical errors in your existing codebase.
  •  Optimization: Refactoring code for better performance, scalability, and clean readability.

Core Technologies:

  •  Python
  •  Java
  •  Go (Golang)
  •  JavaScript

How My Gig Works:

To give you maximum flexibility, I offer my services in blocks of time. Whether you need a quick 1-hour fix or a 10-hour deep dive into your architecture, you only pay for the time you need. The larger the time block you purchase, the better the hourly rate!


IMPORTANT: Please send me a message before placing an order so we can discuss your project and estimate the hours required.


Let's build something great together!

  • Programming language

    • Bash
    • Go
    • Java
    • JavaScript
    • PHP
    • Python
    • TypeScript

  • Expertise

    • Algorithms & Data structures
    • Performance
    • Security
    • Design
    • Testing procedures

  • Backend framework

    • Express.js
    • FastAPI
    • Flask
    • Node.js
    • Spring

Get to know Rafael F

Rafael F

Principal Software Architect

  • FromUnited States
  • Member sinceJul 2026
  • Avg. response time1 hour

  • Languages

    English, Portuguese, German
Software Architect & Site Reliability Engineer with 20+ years of experience transforming complex business problems into highly optimized software solutions. As a fast learner and technical leader, I specialize in designing cloud-native, serverless architectures and decomposing legacy monoliths into scalable microservices. For 7+ years, I’ve driven CI/CD automation, software optimization, and major cost reductions across 100+ applications. Let's build, automate, and scale your next project! Tech: AWS, Go, Java, Python, Terraform, Spring Boot, Docker, K8s, DevOps.

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