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Yuliia Smulchenko

Yuliia Smulchenko

Ukraine

Data Processing · Databases & SQL

1 0
301
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Hello! My name is Julia, and I am a data analyst and virtual assistant with experience in Google Sheets, Excel, SQL, Python, Tableau, and automation. I also create analytical reports, interactive dashboards, and help businesses understand their data. One of my strengths is organization and structure. I work accurately and responsibly with large amounts of information. I actively work with Etsy analytics, digital products, and marketing. I am ready for long-term cooperation and am always open to new tasks. Translated with DeepL.com (free version)
Andrii

Andrii

Ukraine

Web Programming · Databases & SQL

0 0
248
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Results-driven developer with 10+ years in software engineering and 4+ years focused on building scalable, high-availability SaaS services with Ruby on Rails. Delivered mission-critical financial automation features while participating in platform memory and performance optimizations to improve stability for large-scale accounting and BI systems. Strong skills in Ruby/Rails, REST APIs, Sidekiq, RSpec, PostgreSQL/Oracle, Docker, Kubernetes, and JavaScript; experienced in remote collaboration and in delivering reliable, testable systems.
Oleksandr Vasylevskyi

Oleksandr Vasylevskyi

Ukraine

Python · Databases & SQL

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242
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Database of PC components (Full-Stack)
268 USD
34
Database of PC components (Full-Stack)
Databases & SQL
Development of a comprehensive application for managing a warehouse of computer components and automating the selection of compatible parts. The project includes creating the database architecture from scratch, developing backend logic, and…
Anna

Anna

Ukraine

Python · Databases & SQL

0 0
177
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Database design and optimization (SQLite/PostgreSQL).
122
Database design and optimization (SQLite/PostgreSQL).
Databases & SQL
As part of the portal development, I designed the database structure to ensure quick access to publications and their categories. I set up many-to-many relationships for tags and one-to-many relationships for authors. I worked on optimizing queries…