SQL

101

Andrey Kovalenko

Python · Databases & SQL

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100

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My name is Andrey, I specialize in Python development. I enjoy building bots, APIs, and complex services. I have experience working with billing systems, payment services, and various integrations. Tech stack: Python, FastAPI, PostgreSQL (SQL), GitLab, Docker Compose, Kubernetes, Postman, React. I understand product management, so I think not only about how to code something, but also why the product and the user need it. I’m ready to help with tasks of different complexity and open to long-term collaboration.

Artur Artashesyan

C# · Databases & SQL

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112

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Skilled Software Developer with strong expertise in .NET, MS SQL, and REST API development using ASP NET. Also, experienced in web scraping, task automation and Telegram bot development using Python. I deliver clean, efficient code and solve problems quickly. I’m experienced in bug fixes, automation, API integration, and database optimization. Adaptable and committed to delivering high-quality solutions tailored to client needs. Reliable, detail-oriented, and committed to quality.

Daniil Dubrovin

C# · Databases & SQL

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105

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Greetings! My name is Daniil. I specialize in developing complex software an high-performance solutions using C#.My core competencies: Full-Stack Development: End-to-end professional software development with intuitive GUI interfaces powered by WPF. Database Support: Relational database design and comprehensive data management using MSSQL. Network Programming: Development of client-server systems and Peer-to-Peer (P2P) networks.

Bohdan Kaliushyk

Python · Databases & SQL

0 0

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Dar'ya Syanska

Java · Databases & SQL

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Personal InformationName: Daria SianskaAge: 20 years oldLocation: Prague, Czech RepublicCitizenship: UkraineEducationCurrently studying at the National University "Odesa Polytechnic", Institute of Computer Systems, Department of Information Systems.Mode of study: Part-timeField of study: Information Systems / ProgrammingGained knowledge and practical skills in the following areas:• Database design and administration (PostgreSQL)• Working with APIs (REST, Postman)• Basics of programming (Java, HTML, CSS, JavaScript)• Front-end development and basic UX/UI design skillsProfessional Skills…

Oleg Potapenko

Databases & SQL · C#

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101

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0 25

The example

Databases & SQL

Examples of interface forms C#+WPF+MSSQL/SqLite/MySql/Postgress

Vasil

Data Processing · Databases & SQL

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Yana

Databases & SQL · Python

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103

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Junior Data Analyst with hands-on experience in SQL, Python (pandas, matplotlib), Tableau, and Google Sheets. Skilled in analyzing data, building dashboards, and creating analytical reports to support decision-making. Portfolio includes projects on GitHub and Tableau Public (MRR, LTV, churn rate, interactive visualizations). Continuously improving both technical skills and English proficiency.

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Game Revenue Metrics Dashboard

Databases & SQL

Developed an interactive Tableau dashboard powered by SQL queries (Google BigQuery) to analyze key revenue metrics for an online game. The project provides insights into user behavior, subscription trends, churn, MRR growth, and ARPPU dynamics over…

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Advertising ROMI & Metrics Dashboard

Databases & SQL

- Dashboard Development: Created a Looker Studio dashboard to track and analyze Facebook and Google Ads performance. - Key Metrics & Analysis: Visualized ROMI, ad spend, CPC, CPM, and CTR to evaluate campaign effectiveness. - Interactive Insights…

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Funnel Analysis & Conversion Metrics

Databases & SQL

- Funnel Visualization: Built a funnel analysis dashboard in Tableau to track user progression across key stages of the customer journey. - Conversion Metrics: Measured and visualized key conversion rates, such as registration to purchase, to…

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User Onboarding, Conversion & Retention Analysis - US

Databases & SQL

I developed a cohort-based dashboard in Amplitude to analyze user onboarding, conversion, and retention for users in the US who performed the "Welcome" action in June 2023. The analysis focuses on both iOS and Android platforms, providing insights…

Timur Muhitdinov

Python · Databases & SQL

0 0

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Hi! My name is Timur, and I’m a Data Analyst passionate about turning raw data into meaningful insights.I specialize in data cleaning, visualization, and reporting using Python (pandas, matplotlib, seaborn), Excel, SQL, and Power BI.My experience includes:• Data preprocessing and analysis (ETL, EDA)• Building dashboards and visual reports• Business analytics (sales, marketing, customer behavior)• Automating routine data tasksI enjoy helping businesses make data-driven decisions and improve efficiency through analytics. Tools & Skills:•Python • SQL • Power BI • Excel • Data Visualization Open…

Yarina Hil

Databases & SQL · Python

0 0

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