I will fix bugs, make upgrades, add 2fa in nodejs app

Q
qaisarkhan11
Q
qaisarkhan11
QaisarK
5.0
5.0

About this gig

Lets face itdebugging Node.js is (and always has been) kind of a pain

If you've ever had the pleasure of writing code for a Node.js project, you know what Im talking about when I say debugging it to figure out whats going wrong isnt the easiest thing.

Unlike JavaScript in the browser or Java with a powerful IDE like IntelliJ, you cant just set breakpoints everywhere, refresh the page or restart the compiler and slowly walk through the code examining objects, evaluating functions and finding the mutation or missing variable, etc. You just cant, and it stinks.

But it is possible to debug, it just takes a little more elbow grease. I will help you fix code as Ive come across in my own development.

Get to know QaisarK

QaisarK

Backend and AI Engineer for Nodejs LLMs and Voice Agents

4.8(63)
  • FromPakistan
  • Member sinceDec 2017
  • Avg. response time1 hour
  • Last delivery2 years
  • Languages

    Sindhi, Urdu, Hindi, English
I’m a backend and AI engineer building Node.js APIs, LLM applications, voice-agent platforms, and intelligent document search. My experience includes Vertex AI, OpenAI integrations, vector search, SQL databases, and Google Cloud. I’ve developed ETL pipelines managing millions of product records and deployed cloud microservices with automated CI/CD. I help businesses connect AI with reliable backend systems—from chatbots and search to data processing and workflow automation. Message me to discuss your project.

Other Software Development Services I Offer

Reviews

5 reviews for this Gig
5.0

(5)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Recommend to a friend
    5
  • Service as described
    5
Sort By
Most relevant
  • I
    image-docs

    idealoguk

    GB

    United Kingdom

    Ongoing collaboration
    5

    Excellent communication and in depth knowledge, will be ordering again.

    $50-$100

    Price

    Helpful?
    Yes
    No
  • I
    image-docs

    idealoguk

    GB

    United Kingdom

    Ongoing collaboration
    5

    Pleasure working with Qaisar. Efficient, communicative, and fast. Already ordering again.

    $50-$100

    Price

    Helpful?
    Yes
    No
  • S
    image-docs

    stephanbastian

    NL

    Netherlands

    Ongoing collaboration
    5

    Great job on this job. Managed to implement our requierments beyond expectations.

    $200-$400

    Price

    Helpful?
    Yes
    No
  • L
    image-docs

    love2050s

    BD

    Bangladesh

    5

    Such an amazing experience, very smart and friendly. Definitely will be working with him again.

    $50

    Price

    Helpful?
    Yes
    No
  • L
    image-docs

    lexisshop

    BD

    Bangladesh

    5

    Responses were very quick... worked very fast and sincerely.. Solved our problems efficiently.. co -operated excellently !!! We are very satisfied

    $50

    Price

    Helpful?
    Yes
    No
Reviews

5 reviews for this Gig
5.0

(5)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Recommend to a friend
    5
  • Service as described
    5
Sort By
Most relevant
  • I
    image-docs

    idealoguk

    GB

    United Kingdom

    Ongoing collaboration
    5

    Excellent communication and in depth knowledge, will be ordering again.

    $50-$100

    Price

    Helpful?
    Yes
    No
  • I
    image-docs

    idealoguk

    GB

    United Kingdom

    Ongoing collaboration
    5

    Pleasure working with Qaisar. Efficient, communicative, and fast. Already ordering again.

    $50-$100

    Price

    Helpful?
    Yes
    No
  • S
    image-docs

    stephanbastian

    NL

    Netherlands

    Ongoing collaboration
    5

    Great job on this job. Managed to implement our requierments beyond expectations.

    $200-$400

    Price

    Helpful?
    Yes
    No
  • L
    image-docs

    love2050s

    BD

    Bangladesh

    5

    Such an amazing experience, very smart and friendly. Definitely will be working with him again.

    $50

    Price

    Helpful?
    Yes
    No
  • L
    image-docs

    lexisshop

    BD

    Bangladesh

    5

    Responses were very quick... worked very fast and sincerely.. Solved our problems efficiently.. co -operated excellently !!! We are very satisfied

    $50

    Price

    Helpful?
    Yes
    No