Open-Source Online Testing Platform -- 3

Job ID: 40266279

Budget: ₹1,000 – ₹4,500 INR

YOUR BID PRICE IS FINAL** NO LATER CHANGE ALLOWED
I can use readymade script.
I want to build a self-hosted online testing platform for language proficiency and competitive exams.
The entire system must use only self-hosted open-source, forever-free libraries and frameworks.
No paid APIs, no usage-based services, no SaaS dependencies.
The platform will be hosted on my Linux VPS (Hetzner) and should be scalable.
Some of the Core Functionalities which we have now already are:
1. Speech Processing (Self-Hosted)
2. Read Aloud Test
Show a paragraph on screen
User reads aloud
Match spoken words with displayed text
3. Repeat Sentence / Audio Speaking Test
System plays an audio clip
User repeats it
Compare spoken response with original reference
4. AI should also be able to read text n Eng/FR/German/Spanish/Hindi/Punjabi/Bengali
5. Question Types
MCQs (text / image / audio / video)

YOUR JOB:
1. Fill in the blanks
Dropdown questions
Reorder sentences/paragraphs
2. Find errors in Paragraph (System will play an audio and user to find and mark mistakes in given text)
3. Fill in the Blanks with Audio (System will play an audio and user to fill the gaps in given text)
4.Essay / writing tasks with AI-based evaluation
5.. Exam Features
Timers (section-wise & question-wise)
Word counter
Highlight grammar & spelling mistakes
Auto-save responses
6. Admin Panel
Admin should be able to Create/edit exams and complete mock test system
May add support for Nepali and Urdu languages
I can give you cursor.com Pro access for 3 days
Open-source libraries only
Frontend in Laravel (using Quizx).
See the attached videos.
Fully self-hosted
No paid APIs (Google, OpenAI, Azure etc NOT allowed)
Clean, documented, modular code
Docker-based deployment preferred
Preferred Developer Skills
Python (FastAPI / Django)
Speech Recognition & NLP
AI model integration
Online exam platforms
Open-source deployment

Entire design to be mobile responsive.
You should provide me full source code and co py r i ghgt and server installation
Lowest bidder who can rpovide quality job wins the project.