You will get Node.js Error Fixing | Full Stack Node.js Developer | Backend Developer


Project details
I provide fast, reliable, and secure Node.js error fixing and debugging services to get your application running smoothly 🚀. Whether you’re facing server crashes, API failures, performance issues, or unexpected behavior, I quickly identify the root cause and apply clean, long-term fixes.
💡 I don’t just patch errors — I debug deeply and fix them properly, ensuring stability and preventing future problems.
🛠 What I can help you with:
✅ Node.js runtime errors & exceptions
✅ API issues (Express / NestJS)
✅ Server crashes & memory leaks ⚠️
✅ Database connection & query problems
✅ Authentication & authorization bugs 🔐
✅ Third-party API integration issues
✅ Async / Promise / callback errors
✅ Performance bottlenecks & optimization ⚡
✅ Logging, monitoring & error handling
✅ Refactoring & code cleanup 🔄
💻 Tech Stack:
Node.js, Express, NestJS, JavaScript / TypeScript, MongoDB, PostgreSQL, Redis, REST APIs, Docker
🤝 I prioritize clear communication, quick turnaround, and tested solutions. You’ll receive regular updates and a stable Node.js application you can trust.
✨ Let’s fix your Node.js errors fast and get your project back on track 🚀
💡 I don’t just patch errors — I debug deeply and fix them properly, ensuring stability and preventing future problems.
🛠 What I can help you with:
✅ Node.js runtime errors & exceptions
✅ API issues (Express / NestJS)
✅ Server crashes & memory leaks ⚠️
✅ Database connection & query problems
✅ Authentication & authorization bugs 🔐
✅ Third-party API integration issues
✅ Async / Promise / callback errors
✅ Performance bottlenecks & optimization ⚡
✅ Logging, monitoring & error handling
✅ Refactoring & code cleanup 🔄
💻 Tech Stack:
Node.js, Express, NestJS, JavaScript / TypeScript, MongoDB, PostgreSQL, Redis, REST APIs, Docker
🤝 I prioritize clear communication, quick turnaround, and tested solutions. You’ll receive regular updates and a stable Node.js application you can trust.
✨ Let’s fix your Node.js errors fast and get your project back on track 🚀
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$175
|
Standard
$350
|
Advanced
$495
|
|---|---|---|---|
| Delivery Time | 3 days | 5 days | 8 days |
Number of Revisions | 1 | 1 | 1 |
Bug Investigation | |||
Fix Documentation | |||
Detailed Code Comments |
About Maksym
Full-Stack Engineer | React/Vue/Next/Node.js/PHP/Laravel Expert
Lviv, Ukraine - 7:35 am local time
I combine strong backend expertise in Laravel, PHP, Node.js, and RESTful APIs with modern frontend frameworks like React and Vue.js, ensuring seamless user experiences and robust system architecture. My background in DevOps, CI/CD, and cloud infrastructure allows me to deliver end-to-end solutions — from development to deployment and optimization.
🔧 Core Expertise & Technologies
✅ Full-Stack Development: Laravel, React, Next.js, Vue.js, Node.js, TypeScript, JavaScript
✅ Backend & APIs: RESTful APIs, Microservices, Eloquent ORM
✅ Frontend UI: Tailwind CSS, modern component-based architectures
✅ Databases: MySQL, MariaDB, MongoDB
✅ DevOps & Cloud: Docker, CI/CD (Jenkins), AWS (EC2, S3, RDS, Lambda)
✅ AI & Automation: AI integrations, workflow automation, intelligent systems
✅ Performance & Security: Optimization, scalability, secure architecture
💼 What I Offer
✔ End-to-end full-stack development
✔ AI-powered SaaS & enterprise application development
✔ Scalable cloud infrastructure & DevOps automation
✔ Clean, maintainable, production-ready code
✔ Reliable communication and on-time delivery
🚀 Why Clients Choose Me
✔ Business-focused engineering mindset
✔ Strong problem-solving and system design skills
✔ Experience with startups, SaaS platforms, and enterprise systems
✔ Scalable solutions built for performance, security, and growth
I work closely with founders, startups, and businesses that need a reliable full-stack developer who understands both technology and business objectives.
📩 Let’s discuss how I can help you build, scale, or optimize your application.
🔍 Upwork SEO Keywords
Full Stack Developer, Laravel Developer, React Developer, Vue.js Developer, Node.js Developer, AI SaaS Developer, DevOps Engineer, Cloud Developer, AWS Developer, CI/CD Engineer, Docker Developer, SaaS Developer, Web Application Developer, REST API Developer, Backend Developer, Frontend Developer, Enterprise Software, Microservices Architecture, MongoDB Developer, MySQL Developer, Automation Engineer, AI Integration, Software Engineer, Scalable Web Applications, SaaS Platform Development, Cloud Architecture, Business Automation, High Performance Applications
Steps for completing your project
After purchasing the project, send requirements so Maksym can start the project.
Delivery time starts when Maksym receives requirements from you.
Maksym works on your project following the steps below.
Revisions may occur after the delivery date.
🐞 Node.js Error Fixing & Debugging