I will be your expert backend developer for custom API development

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knowndirectory
K
knowndirectory
Known Directory
4.6
4.6
be your expert backend developer for custom API development
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About this gig

Scale your application with a rock-solid, secure, and lightning-fast API.


Are you building a mobile app or a web platform that needs a powerful backend? A poorly built API can lead to security breaches and slow performance. I provide professional-grade REST API development tailored to your business logic.

Technical Stack:

  • Backend: Python (Django REST Framework) / Node.js (Express)
  • Database: PostgreSQL / MySQL / MongoDB
  • Authentication: JWT, OAuth2, API Keys
  • Documentation: Swagger / Postman Collections
  • Deployment: Docker, AWS, or DigitalOcean

What you will get:

  • Clean & Modular Code: Easy to maintain and scale.
  • Security First: Protection against SQL injection and unauthorized access.
  • Detailed Documentation: So your frontend team can integrate in minutes.
  • Third-Party Integration: Stripe, PayPal, Google APIs, or Custom Webhooks.

Why Me?

  • Expert in building high-concurrency systems.
  • Focus on Zero-Downtime architecture.
  • 100% Satisfaction with post-delivery support.

  • Expertise

    • Performance
    • Security
    • Design
    • Databases
    • Source control

  • Programming language

    • Python

  • Frontend framework

    • Bootstrap
    • Next.js
    • React.js
    • Tailwind CSS
    • Vue.js

  • Backend framework

    • Django
    • CodeIgniter
    • Flask
    • Node.js
    • Spring

Get to know Known Directory

Known Directory

Building Scalable Web Applications with Django and Python

4.7(20)
  • FromPakistan
  • Member sinceMay 2023
  • Avg. response time1 hour
  • Last delivery2 weeks

  • Languages

    English
KnownDirectory specializes in building scalable, high-performance web solutions using Django and Python. We deliver clean, reliable systems with a strong focus on performance, security, and maintainability. Our expertise includes Django ORM, API integrations, PostgreSQL/SQL databases, and modern front-end technologies (HTML, CSS, JavaScript). We work closely with clients to understand business goals and deliver future-ready solutions that scale with confidence.

Other Software Development Services I Offer

Reviews

11 reviews for this Gig
4.6

(9)
(1)
(0)
(1)
(0)
Rating Breakdown
  • Seller communication level
    4.7
  • Recommend to a friend
    4.6
  • Service as described
    4.7
Sort By
Most relevant
  • S

    soliaestate

    SO

    Somalia

    4

    Excellent on time and resolved my issues. has a very good experiance.

    Up to $50

    Price

    1 day

    Duration

    Helpful?
    Yes
    No
  • U

    user23613522

    PK

    Pakistan

    5

    well experienced 👍

    Up to $50

    Price

    2 days

    Duration

    Helpful?
    Yes
    No
  • H
    image-docs

    henryjberry

    ES

    Spain

    2

    The order was completed and it took the work and time off my hands but the overall service wasn't that great. Initially everything was great, had a zoom call and explained what I wanted. Was told it was very easy and wouldn't take long at all. Then the completion date was moved back and towards the end...

    $50-$100

    Price

    3 weeks

    Duration

    K
    image-docs

    Seller's Response

    Helpful?
    Yes
    No
  • M
    image-docs

    masuk_sarker

    BD

    Bangladesh

    5

    This guy is highly skilled and very fast problem solver. I will work with him near future for sure. Highly recommended.

    $50-$100

    Price

    7 days

    Duration

    Helpful?
    Yes
    No
  • R

    rahulcuratu

    CA

    Canada

    5

    Burhan is extremely skilled and helpful. he went above and beyond to make sure we get everything we need. highly recommend

    $200-$400

    Price

    6 days

    Duration

    Helpful?
    Yes
    No
Reviews

11 reviews for this Gig
4.6

(9)
(1)
(0)
(1)
(0)
Rating Breakdown
  • Seller communication level
    4.7
  • Recommend to a friend
    4.6
  • Service as described
    4.7
Sort By
Most relevant
  • S

    soliaestate

    SO

    Somalia

    4

    Excellent on time and resolved my issues. has a very good experiance.

    Up to $50

    Price

    1 day

    Duration

    Helpful?
    Yes
    No
  • U

    user23613522

    PK

    Pakistan

    5

    well experienced 👍

    Up to $50

    Price

    2 days

    Duration

    Helpful?
    Yes
    No
  • H
    image-docs

    henryjberry

    ES

    Spain

    2

    The order was completed and it took the work and time off my hands but the overall service wasn't that great. Initially everything was great, had a zoom call and explained what I wanted. Was told it was very easy and wouldn't take long at all. Then the completion date was moved back and towards the end...

    $50-$100

    Price

    3 weeks

    Duration

    K
    image-docs

    Seller's Response

    Helpful?
    Yes
    No
  • M
    image-docs

    masuk_sarker

    BD

    Bangladesh

    5

    This guy is highly skilled and very fast problem solver. I will work with him near future for sure. Highly recommended.

    $50-$100

    Price

    7 days

    Duration

    Helpful?
    Yes
    No
  • R

    rahulcuratu

    CA

    Canada

    5

    Burhan is extremely skilled and helpful. he went above and beyond to make sure we get everything we need. highly recommend

    $200-$400

    Price

    6 days

    Duration

    Helpful?
    Yes
    No

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