• Projects 30
  • Rating 5.0
  • Rating 5 747

Budget: 27000 UAH Deadline: 14 days

We can take the backend for these 3 types of tasks. Initially - 45,000 UAH and 14 days, if the current project already has ready-made lesson models, videos, transcripts, users, and interface language.

I would do this not as three separate manual endpoints, but as a normal generation and verification layer - task type, source from video text, answer options, correct answer, explanation, quality status, re-generation for weak options. Look, there’s a nuance here - for such tasks, it’s important not only to provide 3 buttons, but also to ensure that the AI does not create ambiguous answers, because then users will justifiably complain =)

> Clarification 1 - is the video text already stored in your database as a transcript, or does it also need to be obtained through AI or another service?
> Clarification 2 - should tasks be generated in advance in the admin panel or during the lesson passage by the user?

Relevant experience:
> https://business.ingello.com/fractal - AI architecture and agent scenarios, close to tasks with rule-based generation
> https://business.ingello.com/vorfahr - SaaS and automation with AI, similar logic of stable product backend

Mobile app with admin
  • Projects 9
  • Rating 4.8
  • Rating 2 155

Budget: 10000 UAH Deadline: 5 days

Alena, I see the task: you need to not just generate questions, but create a stable logic for 3 types of exercises on an already prepared React/Django/DRF platform. I can carefully implement the backend so that the AI content adheres to the rules: correct distractors, one omission, proper word order, and clean integration with your design. I have worked with Django/DRF and APIs for educational services — I can quickly get involved and discuss the architecture.

  • Projects 44
  • Rating 5.0
  • Rating 6 283

Budget: 5000 UAH Deadline: 1 day

Hello! I am ready to take on your project and will complete it urgently. I have extensive experience with similar tasks, so there will be no difficulties. If I have piqued your interest, feel free to write; I am happy to collaborate!

  • Projects 17
  • Rating 5.0
  • Rating 2 017

Budget: 4500 UAH Deadline: 5 days

Hello, my name is Mykyta.
I am ready to develop the backend for three types of tasks on the English language learning website.

I have experience working with Python, Django, DRF and have already developed similar projects.
Portfolio: Freelancehunt

Estimated price, timeline: 4500 UAH, 4-5 days.
Write to me, we will discuss the details and come to an agreement.

I will support your project and fix issues even after the completion is confirmed.
  • Projects -
  • Rating -
  • Rating 243

Budget: 2000 UAH Deadline: 2 days

Hello! I am interested in your project for refining the backend of the English language learning website. I have experience with Python, text processing logic, and AI integration. I can easily implement an algorithm for extracting short useful phrases (2-6 words) without rephrasing to create tasks for users. I am ready to review the current code, discuss the logic for checking answers, and execute everything clearly according to the rules. I look forward to collaborating!

  • Projects 9
  • Rating -
  • Rating 536

Budget: 10000 UAH Deadline: 7 days

Alena, I see a clear task: a backend is needed for three types of exercises on an already established platform with React/Django/DRF. I have 3.5 years of commercial experience in web development, particularly in building REST APIs, integrating AI services, and working with databases. Although my main backend stack is Node.js/NestJS/TypeScript, I understand the architecture of Django/DRF and can quickly dive into the code.

For these three types of tasks (Translation match, Fill in the blank, Build the phrase), the correct logic for generating answer options through AI and their validation according to specified rules is crucial. I also understand that ambiguous distractors will spoil the user experience, so the approach must be thorough.

I am ready to discuss the architecture of the solution and more details about the existing models and APIs. Please write if you have any questions.

  • Projects -
  • Rating -
  • Rating 516

Budget: 15000 UAH Deadline: 7 days

Hello, Aliona!

To gain a detailed understanding of the task, please clarify:
1. Is there already an API for working with tests on the backend, or do new endpoints need to be created?
2. What is the logic for checking answers: is automatic checking needed or manual moderation?
3. Are there specific requirements for generating incorrect answer options, apart from those mentioned?
4. How is data about users' success in passing tests stored?

Approach to work:
First, I will analyze the existing backend architecture on Django, then I will develop and integrate functionality for each type of task: selecting a word value, inserting a missing word, and constructing a phrase. I will ensure that the system correctly processes answers and stores results.

  • Projects -
  • Rating -
  • Rating 229

Budget: 20000 UAH Deadline: 10 days

Welcome! We are a team of developers with 4 years of practical experience in supporting and expanding the functionality of complex web systems. We professionally work with backend technologies in PHP and Python, and we can quickly dive into someone else's code and refine it to meet new business requirements. We can easily implement new logic and connections for various types of tasks, optimize queries, and conduct thorough testing before the release to production.
You can assess the level of our technical development and layout at the following links:
farfieworldwide.com
freshagro.com.ua
espressolab.com.ua
Contact us via private messages — we will discuss your technology stack and immediately agree on an action plan for a quick start!

  • Projects -
  • Rating -
  • Rating 315

Budget: 3000 UAH Deadline: 6 days

Good day! I am ready to take on your project. I have experience in developing solutions with React, and I will do everything quickly, according to the requirements. I look forward to your message.

  • Projects 6
  • Rating -
  • Rating 411

Budget: 700 UAH Deadline: 1 day

Hello, I am a developer with experience in Django, ready to create an API for 3 types of English assessment tasks. Timeline: 3 weeks, I am ready to discuss the details.

  • Projects 5
  • Rating 4.2
  • Rating 665

Budget: 777 UAH Deadline: 7 days

I have extensive experience in full-stack development (especially Django + React), and I can provide examples of projects I have worked on if needed.

I am ready to discuss the details in private.

  • Projects 67
  • Rating 5.0
  • Rating 12 793

Budget: 5000 UAH Deadline: 5 days

Hello! I will complete your task quickly and efficiently.

My recent works
https://indexfast.pp.ua - fast website indexing
https://mamamia.pp.ua - online store
https://programist.pp.ua/ua/portfolio/ - portfolio of works
https://monitortest.pp.ua - monitor testing
https://keytest.pp.ua - keyboard testing

My portfolio: https://freelancehunt.com/ua/freelancer/romas6ka.html#portfolio

  • Projects 4
  • Rating 5.0
  • Rating 2 025

Budget: 4000 UAH Deadline: 5 days

Hello!

I have extensive experience working with Python and React.
I am ready to complete the assigned task.

I suggest we discuss the details in private messages.

  • Projects 15
  • Rating 5.0
  • Rating 2 163

Budget: 3000 UAH Deadline: 1 day

Good day. I am an individual developer with over 4 years of experience in Full-stack development and deep integration of AI agents through Django/DRF and React. I work officially as a sole proprietor, ensuring direct transparent communication without intermediaries and managers, and I guarantee the complete absence of architectural debris in your project. I will independently design the data schema in PostgreSQL for storing results, write algorithms for interaction with LLM for accurate selection of plausible response options, and set up the segmentation of short useful phrases into separate elements for assembly. I prefer a phased fixed payment format for completed sprints; for the initial technical analysis of logic and calibration of AI prompts, I will need 12–16 hours, and my approach is presented here: 3magency.co, https://vilors.studio/.

  • Projects -
  • Rating -
  • Rating 285

Budget: 4000 UAH Deadline: 2 days

Hello. Our small team has been designing business solutions, backend engineering on Django, and developing custom interfaces on React for over 4 years. The task of developing English language testing logic using AI fully aligns with our profile, and we guarantee the creation of a fault-tolerant architecture with proper caching of generated tests to avoid overspending your budget on OpenAI tokens. We will program the service layer to extract important words, generate distractors of similar structure, and form complete sentences after the response. The initial analysis of the technical task and setup of basic Django models will take 2 working days, and you can check the quality of our code at the portfolio links: freshagro.com.ua, farfieworldwide.com, rivnekolo.com.

  • Projects -
  • Rating -
  • Rating 160

Budget: 4000 UAH Deadline: 2 days

Good day. My colleague and I have been specializing in product web development, artificial intelligence integration, and building optimized APIs on Django and React for over 4 years, so we are happy to implement the test logic for your service. We will develop the backend architecture through a secure staging branch, create DRF serializers to deliver test arrays to the frontend, and set up a connection with OpenAI for dynamic subtitle analysis of videos. Our system will ensure that translations are displayed in the interface language, keywords are masked without creating ambiguities, and useful phrases are broken down into arrays of 2 to 6 words. We will need up to 48 hours for an initial study of the current authorization code and video module of the platform, and examples of our technical expertise in automating educational systems are presented in the portfolio: drkukharevich.rivne.ua, crave-agency.com.ua, jk-solution.com.ua.

  • Projects 12
  • Rating 5.0
  • Rating 1 175

Budget: 5000 UAH Deadline: 2 days

Hello. My partner (designer + full-stack developer) and I have over 4 years of experience in developing AI-driven systems and language platforms using Python/Django and React. We are ready to develop the backend layer for your three types of tests, implementing flexible endpoints for task generation and validation (Translation match, Fill in the blank, Build the phrase) based on Django REST Framework (DRF). To ensure that the AI strictly adheres to linguistic rules, selects plausible options for one part of speech, and excludes synonyms, we will set up integration with the OpenAI API through structured output (JSON mode / Pydantic models) and write refined system prompts. The system will also ensure the preservation of user progress and quick retrieval of word arrays for the phrase builder without rephrasing the original. For the initial analysis of the platform architecture, designing Django models, and testing the AI logic in the Playground, we will need 1–2 days, and our engineering approach is reflected in our portfolio: hyperfi.tech, espressolab.com.ua, hudi.com.ua.

  • Projects 17
  • Rating 5.0
  • Rating 3 574

Budget: 27000 UAH Deadline: 14 days

Hello! 👋

I have experience in developing backend logic for EdTech platforms using Python, Django, DRF, integrating with AI APIs, generating educational tasks, working with video/text transcriptions, and building structured APIs for React frontend.

My stack:

Backend

Python
Django

  • Projects -
  • Rating -
  • Rating 649

Budget: 10000 UAH Deadline: 7 days

Hello! I have experience with Django + DRF and AI API integrations. The task is clear — to implement a backend for 3 types of tests with AI generation. My vision for implementation:
— The API endpoint accepts video text
— OpenAI GPT extracts a keyword/phrase
— Generates 1 correct + 2 plausible incorrect options
— Translation into the user interface language
Fill in the blank:
— AI takes a sentence from the text, removes the keyword
— Generates 3 answer options of one part of speech
— After the answer, returns the complete sentence
Build the phrase:

  • Projects 19
  • Rating 5.0
  • Rating 1 225

Budget: 10000 UAH Deadline: 4 days

Good day, I am ready to complete the task. I have experience working with Django API + React as well as with AI APIs. I can start working today. Please message me privately to discuss the project details and for a more accurate estimate.

  • Projects 32
  • Rating 5.0
  • Rating 1 815

Budget: 1000 UAH Deadline: 5 days

Good day, I have been in web programming for over 9 years. I work with REST APIs, frameworks, and CMS such as Django, Laravel, Yii2, WordPress, OpenCart, CodeIgniter, etc. I am ready to complete the task. Reviews: Freelancehunt

  • Projects -
  • Rating -
  • Rating 234

Budget: 9000 UAH Deadline: 5 days

Hello! I have experience in development with Python, Django/DRF, and integrating AI services. I can implement the backend for all 3 types of tasks: Translation Match, Fill in the Blank, and Build the Phrase with automatic content generation through AI based on video texts. I have thoughtfully structured the API, checked for correct answers, saved user results, and ensured scalability for new types of exercises. The estimated implementation time is 5 days after reviewing the current code. For an accurate assessment, access to the API, database structure, and current platform logic is needed.

  • Projects 32
  • Rating 5.0
  • Rating 11 952

Budget: 5000 UAH Deadline: 4 days

Good day! I develop in Python, have worked on similar projects with React/Node.js, and am ready to collaborate.

Andrey K.
1 284 1
  • Projects 1 288
  • Rating 5.0
  • Rating 97 666

Budget: 5000 UAH Deadline: 4 days

Hello. I work with React and Django. I am ready to complete the task. Feel free to contact me.

  • Projects 6
  • Rating 5.0
  • Rating 3 972

Budget: 14000 UAH Deadline: 3 days

Database and model design 2–3 hours
Prompt engineering and integration with AI 4–6 hours
API development (Serializers, Controllers) 4–5 hours
Validation of responses and business logic 2–3 hours
Testing, bug fixing, deployment 3–4 hours
Total (pure development) 15–21 working hours

Total $250-320

  • Projects 15
  • Rating 5.0
  • Rating 3 857

Budget: 14000 UAH Deadline: 4 days

Hello.
I am a Senior developer with 10+ years of experience.
I have experience in building backend for a mobile application for learning English.

I usually work on an hourly basis at around $20/hour by agreement, and I am ready to discuss individual and counter proposals.

Your phrasing "Need to create a backend for 3 types of tests" gives a bit of ambiguous conclusions - do you have a website, can we assume there is a backend? Therefore, I clarify:
- Is there an existing backend and is this to be done as a module that integrates with it, or does it need to be built from scratch or as a separate service?

This leads to different final estimates.

  • Projects 19
  • Rating 5.0
  • Rating 2 830

Budget: 2000 UAH Deadline: 1 day

Hello. I am ready to complete the project turn-key, I guarantee quality and promptness.

Feel free to message me, I would be happy to collaborate!

  • Projects -
  • Rating -
  • Rating 663

Budget: 1000 UAH Deadline: 1 day

Hello! I have good experience with Django + DRF — I have developed similar testing systems with dynamic task generation and answer verification. Integration with AI for generating answer options is also not new to me. I am ready to take on the task; we can discuss the details privately — can you write to me, is it convenient to talk?

  • Projects 22
  • Rating 5.0
  • Rating 5 076

Budget: 6000 UAH Deadline: 2 days

Hello ⭐️! I am a highly qualified web developer with over ✅ 7 years of experience in backend development and modern web technologies. My stack includes:

✅ Frontend: HTML, CSS, JavaScript, React.js, Vue.js, Angular
✅ Backend: PHP, Laravel, CodeIgniter, Python, Django, Flask, Node.js
✅ Databases: MySQL, PostgreSQL
✅ Other skills: Git, API integration

Recent projects:
✔️ https://homenly.com
✔️ https://novobudova.pro

  • Projects 29
  • Rating 5.0
  • Rating 1 885

Budget: 2600 UAH Deadline: 7 days

Hello! I have relevant experience with similar tasks, and I can help with your project. I can quickly familiarize myself with the requirements, propose the best solution, and execute the work carefully. I am ready to discuss the details and get started.

  • Projects -
  • Rating -
  • Rating 573

Budget: 1000 UAH Deadline: 1 day

Hello! I have extensive experience in this stack and can complete the task quickly and efficiently! Portfolio link: https://artur-sorokolit.uk/

  • Projects 6
  • Rating -
  • Rating 866

Budget: 8000 UAH Deadline: 5 days

Hello. I am ready to execute, I have experience in implementing similar solutions.

  • Projects 9
  • Rating 5.0
  • Rating 726

Budget: 2000 UAH Deadline: 3 days

Hello! Your project looks very interesting. I am ready to start working immediately and ensure high quality.

  • Projects 28
  • Rating 5.0
  • Rating 9 280

Budget: 4300 UAH Deadline: 3 days

Hello.

I have experience in development with Django, DRF, and integrating AI functionality into educational platforms. I can refine the backend for all three types of tasks, implement question generation through AI according to your rules, and prepare an API for seamless integration with the already ready React interface.

  • Projects -
  • Rating -
  • Rating 702

Budget: 3000 UAH Deadline: 4 days

Good evening. Ready to collaborate. I have experience working with Django. I offer quality and fast work. Write to me.

  • Projects 5
  • Rating 5.0
  • Rating 1 567

Budget: 4000 UAH Deadline: 3 days

Good day.

I have experience in backend development using Python/Django/DRF, integrating LLMs (OpenAI, Claude), and building systems for generating and verifying educational content.

From the description, I see that the frontend and design are already ready, so the main task is to implement the backend logic for three types of tests and integrate it with the existing AI pipeline. I pay special attention to ensuring that the AI does not generate ambiguous or potentially correct incorrect answers, as this is usually the main issue in similar educational projects.

I am ready to review the full technical specification and the current project structure, after which I can provide an accurate estimate of the timeline and cost. I can also suggest an architecture for storing tests and generating content, making it easy to add new types of exercises in the future.

  • Projects 9
  • Rating 5.0
  • Rating 2 806

Budget: 7000 UAH Deadline: 4 days

Good day!

Django, DRF, React — a familiar stack. The task is clear: three types of tests with AI-generated tasks on the backend. I will implement it cleanly and scalably.

GitHub: https://github.com/axbuglak
Examples: https://web.rstays.com / https://ai-desk.ai / https://momicro.com

Write to me, and we will discuss the details.

Sincerely, Oleksiy Buglak

  • Projects 118
  • Rating 5.0
  • Rating 9 922

Budget: 4500 UAH Deadline: 3 days

Hello.

I am a NodeJS developer. I can finish the website. Write to me, and we will discuss.

  • Projects 9
  • Rating 4.9
  • Rating 608

Budget: 2000 UAH Deadline: 1 day

Good day! I am interested in your project 😊

I have experience working with Django, Django REST Framework, and API integration. I have also worked with test logic, authorization, data processing, and backend for web platforms.

From what I see in the description, the task is clear:
it is necessary to implement backend logic for 3 types of tests, check answers, structure the storage of results, and interact with the frontend.

I would be interested in discussing in more detail:
— how your AI part is currently organized;
— whether there is already a model structure;

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