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Stanislav O.

Offer Stanislav work on your next project.

Ukraine Odessa, Ukraine
9 days 23 hours back
Available for hire available for hire
on the service 3 years
  • web developer
  • python
  • telegram bot
  • Node.js

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Rating
251
AI & Machine Learning
310 place out of 2838
Web Programming
2357 place out of 6423

Skills and abilities

Portfolio


  • Outly — AI analysis of viral content (reels)

    Web Programming
    Outly — a web service for searching and AI analysis of viral video content (reels).

    Task: to help content teams understand why videos go viral and quickly create their own scripts based on trends.

    Solution:
    • Search for viral reels and a trend radar with visualization.
    • In-depth AI analysis of videos by stages: essence, hook, retention, conversion, script, funnel.
    • Subscriptions to channels and channel profiles, cataloging and categorization of videos.
    • Script editor and Tone of Voice (brand voice), saved and search history.
    • Personal account with authorization and dashboard.

    Stack: React + TypeScript (Vite), Tailwind + shadcn/ui, TanStack Query, React Router, Recharts, Supabase (authorization, DB), Google Gemini (AI analysis).

    Result: the team receives a clear analysis of viral videos and ready ideas for their own content instead of manual analysis.

    #AI #SaaS #React #TypeScript #Supabase #Gemini #analytics
  • AI sales agent in direct messages (Instagram, Telegram)

    AI & Machine Learning
    Product platform with an AI agent that independently conducts sales in messengers. Details under NDA — no name, screenshots, or client data.

    Task: automate communication with clients in direct messages so that the bot responds on its own, follows a sales script, handles objections, processes orders, and forwards complex cases to an operator.

    Solution:
    • AI agent with a persona builder (tone, behavior, sales script tailored to a specific business).
    • Responses from the catalog, handling objections, upselling, order processing.
    • Integrations: ManyChat, Meta Direct (Instagram/Facebook), Telegram, CRM.
    • Deterministic safety gates, multi-tenancy with data isolation between clients.
    • Quality control: automatic prompt tests (dozens of scenarios), tracing each dialogue, monitoring errors.

    Stack: Next.js, TypeScript, Supabase (PostgreSQL, RLS, pgvector), Mastra (AI pipeline), Trigger.dev, Langfuse, OpenAI/Anthropic, Promptfoo, Sentry. Deployment on Vercel.

    Result: the bot takes over the routine of direct messages — quick responses 24/7, sales according to the script, fewer lost leads; complex cases go to the operator.

    #AI #chatbot #Instagram #Telegram #ManyChat #automation #sales
  • GreenHouse OS — PWA for greenhouse management: accounting, inventory, logistics

    Web Programming
    PWA inventory management system for a greenhouse (banana cultivation), developed for a client from Kazakhstan. Built from scratch.

    Task: Before implementation, accounting was done manually — initially records were kept in paper journals, then at the end of the shift they were transferred to spreadsheets on a computer, and everything was calculated manually. It was slow, error-prone, and lacked an up-to-date picture. A unified system is needed that works even with unstable power and internet and does not lose data.

    Solution — complete automation of accounting:
    • Employees fill in data in convenient forms directly on their phones (PWA) — no paper journals and manual transfer to spreadsheets at the end of the shift.
    • Three roles with different interfaces: manager (data entry), warehouse worker (receiving/moving/issuing), owner (dashboard only).
    • Offline-first approach: optimistic updates + synchronization queue (IndexedDB) — data is not lost even without connection.
    • Accounting by boxes/batches/varieties, movement between warehouses (storage → gasification → issuance) with recording of responsibility transfer.
    • The owner can see up-to-date information in real time at any moment: convenient dashboard, charts, and statistics (collected, stock levels in warehouses, issued, shrinkage/losses).
    • Export to Excel and integration with Google Sheets, multilingual support.

    Stack: Next.js 15 (App Router), React 19, TypeScript, Tailwind CSS, Supabase (PostgreSQL, Auth, RLS), PWA (Service Worker), Recharts, deployed on Vercel. Covered by tests (Vitest, Playwright).

    Result: fully automated accounting instead of paper journals and manual spreadsheets; up-to-date data in real time; stable offline operation. Completed in a short time thanks to AI tools.

    #PWA #NextJS #React #TypeScript #Supabase #webapplication #automation