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patseluk-lang/README.md

Dmytro Patseliuk

Python developer focused on backend systems, data collection and automation. Kyiv, Ukraine · remote.

Selected projects

Project What it does Stack
sausageos Manufacturing ERP: versioned recipes, append-only stock ledger, FEFO, costing from the lots actually consumed, batch recall Django, DRF, PostgreSQL, Celery, Docker
odoo-meat-production Odoo 19 Community module: versioned technological cards (BOMs), process control, actual yield and cost, lot traceability, PDF batch passport Odoo 19, Python, PostgreSQL, Docker
orders-inventory-api REST API where SQL is the logic: atomic order confirmation with row locks, no overselling under concurrency Flask, PostgreSQL, raw SQL, pytest
meat-production-sql-analytics Pure-SQL analytics warehouse: star schema, ABC/XYZ, margin, write-offs, RFM, EXPLAIN ANALYZE PostgreSQL 16, SQL
profit-leakage-analysis Tableau dashboard and Python cleaning pipeline on 84,147 synthetic sales rows Tableau, pandas
restaurant-intelligence-tableau 8 interactive dashboards for a 6-restaurant chain: sales, menu engineering, cohorts, food cost, what-if scenarios Tableau
django-weather-app Weather lookup with authentication, personal search history and external API error handling Django, PostgreSQL
strict-table-parser Schema-driven CSV/XLSX parser that accounts for every row; 101 tests pandas, pytest
tennis-booking-sync Scrapes a booking site and mirrors reservations into Google Calendar; idempotent, fails safe BeautifulSoup, Google Calendar API
feed-health-monitor RSS/Atom collector with silence detection and hand-written SQL analytics Django, SQL

Stack

Python · Django · DRF · Flask · Odoo · PostgreSQL · SQL · pandas · Tableau · Celery · Docker · pytest · GitHub Actions

Contact

I work in writing and asynchronously: specs, code review, written updates.

Pinned Loading

  1. odoo-meat-production odoo-meat-production Public

    Odoo 19 Community module for meat production: versioned technological cards (BOMs), process control, actual yield and cost, lot traceability and a PDF batch passport

    Python

  2. sausageos sausageos Public

    Manufacturing ERP where stock is an append-only ledger: versioned recipes, FEFO, costing from the lots actually consumed, batch recall. Django + DRF.

    Python

  3. orders-inventory-api orders-inventory-api Public

    REST API where SQL is the logic: append-only stock ledger, atomic order confirmation with row locks, no overselling under concurrency. Flask + PostgreSQL.

    Python

  4. meat-production-sql-analytics meat-production-sql-analytics Public

    Pure-SQL analytics warehouse (PostgreSQL 16) for a craft meat business: ABC/XYZ, margin, write-offs, RFM, inventory — star schema, no pandas.

    SQL

  5. strict-table-parser strict-table-parser Public

    Schema-driven CSV/XLSX parser that accounts for every row: nothing is dropped silently. Locates the header wherever it sits, reports each violation by row and column, flags duplicates instead of me…

    Python

  6. feed-health-monitor feed-health-monitor Public

    RSS/Atom collector with silence detection and hand-written SQL analytics

    Python