I will fix web app bugs, resolve technical issues, integrate API

V
vitalii_3
V
vitalii_3
Vitalii V
fix web app bugs, resolve technical issues, integrate API
Full Screen
fix web app bugs, resolve technical issues, integrate API

About this gig

I am a Full-Stack Engineer with 3+ years of production experience in web development and L3 technical support. I specialize in diving into existing codebases, diagnosing complex issues across the stack, and delivering reliable fixes via clean Pull Requests.

What I can do for you:

  • Bug Fixing & Code Repair: Diagnosing root causes and fixing backend/frontend logic errors and crashes.
  • Database & Sync Resolution: Fixing data inconsistencies, synchronization bugs, slow queries, and database errors.
  • API & Webhook Integration: Building custom backend services and integrating 3rd-party APIs (including Meta API, payment gateways, and webhooks).
  • L3 Tech Support & Maintenance: Resolving escalated technical tickets and conducting ongoing system maintenance.

Why work with me? 3+ years of real-world production experience Clean, tested code & structured Git Pull Requests Clear and proactive communication

Please contact me before placing an order to discuss your project requirements!

  • Programming language

    • C#

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Localization
    • Databases

  • Frontend framework

    • Angular
    • Bootstrap
    • React.js
    • Blazor

Get to know Vitalii V

Vitalii V

Full stack dev, L3 support

  • FromUkraine
  • Member sinceFeb 2023

  • Languages

    Ukrainian, English
I'm a Full-Stack Engineer with 3+ years of experience in software development & L3 support. I fix complex bugs, integrate APIs, and keep applications running smoothly. How I can help: Bug Fixing: Fast root-cause diagnosis & clean PRs for production code. Database & Sync: Resolving data inconsistencies and sync failures. Feature Development: Building end-to-end features for web apps. API Integrations: Custom backend services & third-party APIs (e.g., Meta API). L3 Tech Support: Expert troubleshooting for urgent technical issues. Let’s talk about your project!

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