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  1. Freelancers

Aleksandra Włódarczyk

Offer Aleksandra work on your next project.

Poland Warszawa, Poland
1 month back
Available for hire available for hire
age 25 years
on the service 1 month 15 days
Freelancer Aleksandra W. — Poland, Warszawa. Core skill — Databases & SQL, Cybersecurity & Data Protection

Rating

Successful projects
No data
Average rating
No data
Rating
319
Databases & SQL
125 place out of 1207
Cybersecurity & Data Protection
23 place out of 197

Language proficiency level

English English: intermediate

Skills and abilities

Programming

Services

Outsourcing & consulting

Portfolio


  • DASHBOARD WITH LIVE UPDATES

    Databases & SQL
    DASHBOARD WITH LIVE UPDATES — example of freelancer's portfolio work in category Databases & SQL
    Payment Issue Dashboard

    The project involved analyzing and working with customer data in a telecommunications system. The dashboard allows for filtering and monitoring payment statuses, identifying issues, and analyzing user data.

    … Scope of work:
    - analysis of customer data (payment statuses, tariffs, operators)
    - working with large datasets (Excel / SQL)
    - data validation
    - identification of errors and inconsistencies
    - system functionality testing (manual QA)
    - collaboration with the IT team

    Tools used:
    - Excel
    - SQL
    - internal systems (dashboards)

    Outcome:
    - improved analysis of payment issues
    - better control over customer statuses
    - faster detection of data errors

Activity

  Latest proposals 2
Employee Count Accounting System in Emergency Situations
500 USD
Execution of the website
82 USD