Anastasiya Paramonava
Verified Expert in Engineering
Software Developer
Poznań, Poland
Toptal member since January 19, 2022
Anastasia is a professional developer with five years of experience working with large corporate clients in finance, insurance, and healthcare. Most of the projects she worked on were developed from scratch to go into production. Anastasia's experience includes knowledge of data warehousing methodologies using numerous ETL technologies and tools, advanced Python development, and deep knowledge of Linux. She enjoys working both independently and as a member of a team.
Portfolio
Experience
Availability
Preferred Environment
Python, SQL, ETL, Data Warehousing, PostgreSQL, Amazon Web Services (AWS), APIs, Data Engineering, Data Pipelines, ETL Implementation & Design
The most amazing...
...thing I've developed is an ETL product in Python and SQL which is able to process large amount of data and support multiple databases.
Work Experience
Senior BI Developer
Soname Solutions
- Developed an ETL application that supports multiple database vendors.
- Educated new team members with development best practices.
- Collaborated in architectural development and proof of concept (POC).
- Helped with development processes setup and improvement.
- Built a product testing process and test cases using Pytest.
- Developed CI/CD processes using Jenkins and Docker.
- Built an application scheduling process using Luigi.
- Developed data processing pipelines using Kafka Streams and KSQL.
Senior Consultant
Deloitte
- Monitored system health and tracked issues and communicated with the first-line support team.
- Communicated with developers regarding new features and bug fixes.
- Investigated and corrected broken data after application bug fixes.
- Developed data migration scripts for the implementation of new features.
- Assigned and tracked tasks among members of the support team.
ETL Developer
Twistellar
- Developed ETL processes using Talend for data integration from various sources using Microsoft Dynamics, Salesforce, and Pipedrive.
- Set up and configured Salesforce Sales Cloud environment.
- Controlled data upload to testing and production environments.
- Communicated with business teams on daily basis for requirements clarification.
- Created data transformation scripts using PostgreSQL.
- Developed data analysis, cleansing, and enrichment using SQL and Talend.
- Created application data storage to support data from different sources.
BI Developer
IBA
- Developed a financial system for calculating employees’ bonuses at a pharmaceutical company.
- Communicated with business team for requirements clarification.
- Developed OLAP system to store financial data, IBM Cognos TM1.
- Set up a Git repository to provide version control of TM1 processes.
- Created technical and user documentation and test cases.
- Developed application web UI using HTML, JavaScript, and ASP.NET.
- Presented development results to the customer on weekly basis.
- Helped in setup of development processes using Agile practices.
Experience
Counterparty Monitoring System
Global Data Platform
Salesforce Data Integration
Custom ETL Tool for Medical Data
Bonus Calculator
Education
Bachelor's Degree in Computer Science
Belarusian State University of Informatics and Radioelectronics - Minsk, Belarus
Certifications
AWS Certified Cloud Practitioner
Amazon Web Services
Tableau Desktop Specialist
Tableau Software
Skills
Libraries/APIs
Luigi, Pandas
Tools
Talend ETL, Pytest, Tableau
Languages
Python, SQL
Storage
Relational Databases, PostgreSQL, Data Pipelines
Paradigms
ETL, OLAP, Testing, ETL Implementation & Design, Agile
Platforms
Apache Kafka, Docker, Amazon Web Services (AWS)
Other
Programming, Data Warehousing, KSQL, Computer Science, Data Engineering, APIs, Message Queues, ETL Tools, IT Support
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