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Development of a chat bot with WebApp and GPT integration (Node.js server + Typescript)

Translated601 USD

Applications 1

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  1. 342  
    30 days601 USD

    Hello! 👋

    My name is Danya, I am a developer with experience in Node.js/TypeScript and creating PWA services. I am interested in your project and ready to implement the system "from start to finish" according to your specifications, including a Telegram bot, AI code generation, PWA applications, and a Mini WebApp for project management.

    My approach:

    Clear architecture of the service, modular and scalable code.
    Execution of all stages according to the roadmap, version control, and stability of the PWA.
    Integration with Cloudflare DNS for personalized subdomains.
    Guarantee of fast and reliable deployment of static projects.

    I am ready to start discussing the project details, time estimates, and budget in a private chat to agree on the optimal action plan.

  2. Mykhailo Pavlov SolidWay
    8753    60  0   1
    25 days601 USD

    Hello, Roman!
    I am ready to develop the application according to the specifications. I have extensive development experience and will implement all your ideas with GPT integration.

    Here is my portfolio: Freelancehunt

    Write to me and we will discuss all aspects of collaboration and budget.

  3. 238  
    20 days579 USD

    Good day! I am taking on this task. I see that your project has great potential, and it has intrigued me.

  4. 8817    27  0   1
    30 days601 USD

    I have experience in full-stack development (Node.js + TypeScript, React, PWA, integration with Telegram API and OpenAI API), as well as in building architectures with CDN/Cloudflare and deployment through CI/CD. I carefully studied your technical specifications — the structure of the MVP is clear: a Telegram bot as the main interface, code generation and patching through OpenAI, builds and deployment to subdomains.

  5. 95799    1272  1   10
    30 days601 USD

    Hello. I have extensive experience in developing Telegram bots. I am ready to collaborate. Feel free to contact me.

  6. Valentin Haritonov Arctic Web
    15075    32  0   1
    29 days601 USD

    Good day!
    My name is Valentin, and I represent Arctic Web Agency. We are a team of experienced web developers specializing in creating modern and effective web solutions for businesses. I can provide examples of our similar work in personal messages. We are ready to take your project to work!

    Sincerely,
    Arctic Web Team
    Freelancehunt

  7. 1616    8  0
    7 days601 USD

    Hello,

    I am a developer in the field of AI/ML & JS-TS. I can complete your project. Write to me, and we will discuss.

  8. 278    5  1   1
    40 days601 USD

    I will build your AI application builder turnkey: Telegram bot → PLAN/PATCH → build → deploy PWA ≤ 1 minute.

    Details of the proposal, critical gaps and risks of the skeleton, assessment of all work stages: https://www.notion.so/AI-25cea80ec59480a3a704ce4701428779?source=copy_link

    1. There is already a working skeleton, I will deploy it and close all risks: normal patch applier, strict Structured Outputs, build queue, offline-PWA with data and import/export.
    2. Result, not hours: by stages with readiness metrics, no surprises in the budget.
    3. The architecture is designed for growth: SQLite → Postgres, local storage → R2/S3, subdomains via Cloudflare API.

    Acceptance criteria:
    — message to the bot → link to PWA ≤ 60 sec, repeated edits — via PATCH with base_sha check;
    — offline (IndexedDB + SW), import/export JSON for all classes;
    — auto-subdomain u*-*.myapps.com after deployment;
    — Mini WebApp: project list, renaming, regeneration, preview.

    Roadmap and budget:
    1. M1 — Core stabilization (PLAN/PATCH, API, security) — 64 hours / $1,920
    2. M2 — PWA infrastructure + IndexedDB + import/export — 34 hours / $1,020
    3. M3 — 5 presets (To-Do, Habit/Expense+charts, Calculators, Mini-CRM, Dashboard) — 70 hours / $2,100
    4. M4 — Mini WebApp, auto-subdomains, build queue — 28 hours / $840
    5. M5 — Tests and observability — 22 hours / $660
    6. M6 — Documentation and handover — 8 hours / $240

    Total fixed: $6,780

    Ready to start, we work through escrow. I prefer a clean HTML/JS profile for PWA for build speed, if necessary — React/Vite.

  9. 147  
    10 days601 USD

    Hello
    I can take on the project
    deadline - a week/one and a half (7-10 days)

  10. Another 12 proposals concealed

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Client
Project published
9 months 25 days back
204 views
Tags
  • webapp
  • GPT
  • TypeScript
  • Node.js