Browse categories
Explore
Fiverr Pro
English
$
USD
I will fix frontend and backend bugs fast
Mayank Arya
About this gig
Is your web application breaking, running slow, or throwing errors?
I specialize in fixing bugs and optimizing performance in both frontend and backend systems.
Frontend Bug Fixing
- React & Next.js component errors
- UI glitches, CSS issues, Feature Bug responsive design problems
- SEO improvements and performance tuning
️ Backend Bug Fixing
- Node.js, Django, and FastAPI debugging
- API errors, integration problems, and database connectivity issues
- Serverside performance optimization and deployment support
Why choose me:
- 3.5+ years of fullstack development experience
- Expertise across MERN, Next.js, Node.js, Django, and FastAPI
- Quick turnaround with clear communication
- Reliable fixes that prevent future issues
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Mayank Arya
Mayank Arya
Full Stack Engineer
- FromIndia
- Member sinceMar 2026
- Avg. response time1 hour
Languages
English, Hindi
Full Stack Developer | 3+ Years | JavaScript (Next.js, React, MERN, GraphQL, Node.js) | Python (Django, FastAPI)
Experienced in scalable web apps, dashboards, and RBAC. Skilled in secure APIs and high‑performance server‑side solutions using modern JavaScript frameworks and Python backends.
My Portfolio
FAQ
What types of bugs can you fix?
I can resolve both frontend issues (UI glitches, CSS problems, broken components) and backend errors (API failures, database connectivity, server crashes) across React, Next.js, Node.js, Django, and FastAPI.
Do you optimize website speed as well?
Yes! I specialize in performance optimization — reducing load times, improving Lighthouse scores, optimizing queries, and ensuring smooth user experience.
Can you handle deployment issues?
Absolutely. I provide support for deployments on Vercel, Netlify, AWS, and Heroku, ensuring your app runs correctly in production.
Will fixing bugs affect my existing features?
I carefully debug and test to ensure that fixes don’t break other parts of your application. Stability and reliability are my top priorities.
Do you work with both small and large projects?
Yes, whether it’s a single-page app or a full-stack application, I can handle bug fixing and optimization tasks of any scale.
