Professional Experience
Python Software Engineer
Luxoft Serbia, Novi Sad, Serbia
Project in power trading.
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Maintained and enhanced backend services using Flask and FastAPI.
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Built and optimized data pipelines for the power trading platform. Improved a custom-built
orchestration tool to automate task scheduling.
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Implemented a centralized logging system using OpenSearch (ElasticSearch),
OpenSearch Dashboards, and RabbitMQ messaging, improving observability and reducing bug
resolution time.
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Contributed to decomposing a monolithic application into microservices.
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Developed analytical tools and dashboards using Python, Jupyter Notebook, Flask.
- Migrated application data to Valkey (Redis), improving performance and reducing latency.
- Ensured system reliability through proactive monitoring, bug fixing, and performance
tuning.
Stack: Python 3.9-3.11, Linux, GitLab, Conda, Poetry, Asyncio, Multithreading, Flask,
FastAPI,
unittest, Numpy,
Pandas, Plotly, Dash,
scikit-learn, PostgreSQL, RabbitMQ, Opensearch (ElasticSearch), Valkey (Redis)
Java Software Engineer
June 2021 - September 2023 (2 years 3 months)
Luxoft Serbia, Novi Sad, Serbia
Project in automation and optimization of regression testing activities for the automated
commodity trading
platform used by one of the largest trading houses which source, store, blend and deliver
physical commodities worldwide. Implementation of Java-based testing automation framework aimed
for the integration and acceptance testing support and automated execution of pre-defined
test-case scenarios.
- Supported the existing Java+TestNG based Automation Framework. BugFix, Framework extension,
new functionality implementation
- Refactored and implemented backend test cases
- Used Fiddler for network capturing
- Implemented new UI test cases and developed new functionality for Java-based UI testing
framework
- CI related tasks support, participated in regression run cycles (Git, TeamCity)
- Used Jira, Confluence on a daily basis for task management and bug-tracking activities
Stack: Java 1.8, Maven, Java Core, Java Collections, Spring, TestNG, Oracle SQL,
Fiddler,
Git, CI/CD (TeamCity), JDBC, JMS
Java Backend Development Internship
January 2021 - May 2021 (5 months)
Java Online Projects (TopJava Course)
Participation in Spring/Jpa Enterprise Application Development with role-based authorization and
access rights.
Stack: PostgreSQL/ HSQLDB/ Maven/ Spring/ Security/ JPA(Hibernate)/ REST(Jackson)/ JUNit
5/
Bootstrap(CSS,JS)/ jQuery/Java 8 Stream
Data Analyst
August 2019 - December 2020 (1.5 yrs)
Smart Digit LLC, Moscow, Russian Federation
- Performed exploratory oil&gas data analysis. Constructed data visualization dashboards with
Bokeh, Seaborn, Matplotlib
- Performed patterns detection analysis in data. Anomaly detection. Implemented ML models to
detect anomalies
- Created data processing pipelines, have experience with PySpark, Postgresql
- Gained work experience with timeseries: processing, visualization, prediction
Junior Data Analyst
September 2017 - July 2019 (2 yrs)
Wood Mackenzie, Moscow, Russian Federation
- Collected and compiled well data from both external and internal Wood Mackenzie sources into
spreadsheets. Advanced Excel, VBA
- Used Python for various tasks for data collection, analysis and processing. Main
libraries: Pandas, Numpy, Matplotlib, Seaborn, Requests, Selenium, Sklearn, Tensorflow
- Processed various types of onshore drilling & completion attributes (frac stages,
perforations,
lateral length, cluster spacing, proppant, etc.)
- Participated in Computer vision tasks: reports classification, object detection, image
preprocessing (PIL, Tensorflow, Seaborn, Matplotlib, opencv, openpyxl)
- Performed Data quality checks applied different rules, used visualizations with Spotfire &
Python
- Applied Natural Language Processing techniques to get valuable insights from reports (regex,
bag-of-words, tokenization, POS tagging)
