Oxana L.-Elastic Stack Expert, Data Scientist, Managing Director
Check rate
Experience
Alerting concept and implementation
Link Mobility GmbH
Alerting concept and implementation
Review of the data and current alerts, development and implementation of the alerting concept, taking existing technology components into account, with the aim of making monitoring more flexible. The current use of Machine Learning Rules will be reviewed and newer developments from Elasticsearch, such as ES | QL and AI Agents, will be taken into account.
Elasticsearch, Kibana
Architecture concept “Log Management”
Swisscom IT Services Finance Custom Solutions AG
Architecture concept “Log Management”
Development of an architecture concept for log management, taking existing technology components, security requirements and operational processes into account (e.g. scalability with a data load of 2-4TB per day, fault tolerance).
Elastic Stack (Kafka, Logstash, Beats, Elasticsearch, Kibana)
Elastic Stack Consulting
Elasticsearch GmbH (elastic e.V.)
Elastic Stack Consulting
Consulting projects to analyze and improve IT environments through the use of Elastic Stack at end customers (e.g. E.ON, Siemens, ZF Group, Gartenmann Engineering AG, Cimpress Plc, Dataport, All for One Group SE). The focus is on Elastic Observability, Security, and the use of AI/Machine Learning models to improve semantic search, data interpretation, and the detection of patterns and anomalies in datasets, as well as the use of AI assistants (ChatBots) and AI Agents. Also covers topics related to data integration and processing for search and log analysis/monitoring.
Elastic Stack (Logstash, Beats, Elasticsearch, Kibana)
Kibana training
ExperTeach GmbH
Kibana training
Delivery of Kibana user training, taking Elastic Stack components into account.
Elastic Stack (Logstash, Beats, Elasticsearch, Kibana)
Search function optimization in Shopware 6
Umarex GmbH & Co.KG
Project “Search function optimization in Shopware 6”
Improved search functionality on the company's shop pages by changing the index structure (settings and mappings) and queries in Elasticsearch. Integration of custom-developed Elasticsearch configurations into Shopware 6.
Elasticsearch, Shopware 6, Docker
Search optimization in SharePoint
Henkel AG & Co. KGaA
Project “Search optimization in SharePoint”
Designed, evaluated, and supported the implementation of improved search functionality in a SharePoint environment.
SharePoint, Microsoft Search, PnP Search
Job descriptions and core profiles analysis
Henkel AG & Co. KGaA
Project “Job descriptions and core profiles analysis”
Search functionality optimization
Internal product, used by ecommerce customers
Project “Search functionality optimization”
Improved search results and user experience by changing the indices and integrating automatic search suggestions and autocomplete using Elasticsearch on websites and in online shops.
Elasticsearch, Kibana, Python, Machine Learing & NLP Methods (Named Entity Recognition, Compounding, Synonyms Extraction)
Job descriptions and core profiles analysis
Henkel AG & Co. KGaA
Designed, architected, and implemented a technical solution to analyze job descriptions and their associated Core Profiles, automatically identifying trends and changes using Machine Learning methods. Used Part-of-Speech Tagging, Namend-Entity-Recognition, and classification algorithms.
Python, Machine Learing & NLP Methods, PowerBI , Elasticsearch, Kibana
Customer Collaboration Platform in China
tesa SE
Project „Customer Collaboration Plattform in China”
For the launch of a new Customer Collaboration Platform in China, global processes were reviewed and the technical architecture evaluated. Infrastructure implementation at the head office was coordinated.
SAP, MS Dynamics, PIM, internal interfaces
AI Text Analysis
tesa SE
Project “AI Text Analysis”
Requirements management, concept design, architecture design and implementation of a digital platform for product-focused monitoring, identifying business risks and opportunities, and gaining a deeper understanding of consumers. Integration of AI-based text analysis to process data from different sources and in different formats.
HR Data Driven Analytics
Henkel AG & Co. KGaA
Project “HR Data Driven Analytics”
Concept design, architecture design and development of an HR Data Driven Analytics platform. Building a data lake to store data in different formats and analysis results, comprehensive automated data analysis from various sources, and visualization.
PowerBI, MS Azure Data Lake, dremio.io, Python
Learning Analytics Profiles (LeAP)
Universität Mannheim
Project “Learning Analytics Profiles (LeAP)”
Development of a comprehensive learning analytics solution for integration into different learning platforms. This includes collecting, storing and analyzing user data (in compliance with data protection and security regulations) across the university's different systems, as well as providing information back to students and lecturers.
Python, Elastic Stack (Beats, Logstash, Elasticsearch, Kibana), Vue.js, MariaDB, ILIAS
Text Analysis in Process Management
ASCon Systems GmbH und Delta Management Beratung GmbH
Project “Text Analysis in Process Management”
Data collected from a consulting process about internal company processes is automatically pre-analyzed (part-of-speech tagging, parsing, named entity recognition) to quickly identify frequently mentioned statements.
Python, spacy.io, Elasticsearch, Kibana
Automated Product Information Management with Deep Learning
internal product development
Automated Product Information Management with Deep Learning
Coordination of research and development in the area of automatically generating product descriptions for online shops from limited information using NLP, machine learning and AI methods. Text classification based on title, image and price.
Python, Elasticsearch, LSTM Classifier, Image Models (VGG16, ResNet50 etc.), GPT2
Smart Filtering
Lingualytics GmbH
Project “Smart Filtering”
Development of a processing pipeline for email classification. Automated categorization of emails into predefined inbox subcategories using various text classification models.
Tensorflow, Python, scickit-learn, NLP methods
Smart Search
Neuland+Herzer GmbH
Project “Smart Search”
Improving search results and user experience by integrating automatic search suggestions and autocomplete with the help of Elasticsearch across several websites of an automotive group.
Elastic Stack (Elasticsearch, Kibana), Python
Data Scientist / Managing Director
droxIT GmbH
Development of solutions in the areas of search, data processing and analysis (intelligent search, NLP, text mining, machine learning, information extraction)
- Project work in sales, purchasing, and communications
- Development and management of software solution implementations
Sales Intelligence/Sales News
Commerzbank
Project “Sales Intelligence/Sales News”
Design and development of a data processing/Big Data solution to identify sales opportunities and industry-specific news for existing and prospective customers in the SME sector.
Technical coordination of development, alignment of requirements with the customer, and contribution to the proposal and project planning.
Python, Elastic Stack (Elasticsearch), Docker, NLP methods
Conversation Suite
Mastercard, GM, Commerzbank, Novartis, Daimler
Project “Conversation Suite”
Automated identification of trends (topics, sentiment, companies, products, people) and opinion leaders, as well as campaign management and performance measurement.
Design, architecture, and development of a platform for social media monitoring, analysis, and direct customer engagement across 43 markets and 26 languages.
Adaptation for numerous other customers (Commerzbank, Daimler, Capital One, General Electric, Western Union, Bill & Melinda Gates Foundation)
Technical coordination of development, alignment of requirements with the customer, and contribution to project planning.
Elastic Stack (Elasticsearch), CouchDB, Java, Python, Named Entity Recognition
Team Lead, Natural Language Processing Group
Prime.com GmbH
Coordination and management of tasks and projects in the field of Natural Language Processing
- Product development, including planning, architecture and implementation management; overseeing ramp-ups, pitches and ongoing projects for numerous DAX30 and international companies from various sectors (automotive, financial services, chemicals and pharmaceuticals, logistics, etc.)
- Research and development in information extraction, machine learning, text and data mining (multi-lingual sentiment analysis, named entity recognition, data filtering & analysis)
- Collaboration with universities (UniKassel, Uni Mainz)
Python, Java, CouchDB, Elasticsearch
Senior Project Manager – Computer-Based Analysis
Prime.com GmbH
- Overseeing ramp-ups, pitches and ongoing projects for numerous DAX30 and international companies from various sectors
- Research and development in NLP, machine learning, text and data mining (multi-lingual sentiment analysis, named entity recognition, data filtering & analysis)
- Planning and design of the data processing pipeline
- Collaboration with universities (Universität Kassel, Universität Mainz)
Java, CouchDB, Elasticsearch, Lucene
Research Associate
Universität Kassel
- Research in the field of language processing (PhD in Computerlinguistik)
- Research and teaching in various areas of computational linguistics, NLP, data and text mining
- International and interdisciplinary work as part of the EU research project OPAALS
Software Developer
Computing and Information Technology Services (CITS), University of Massachusetts
- Development of web applications and infrastructure (ColdFusion, Oracle)
- Project development: planning and design (MS Visio), implementation and testing of web applications
Student Assistant
Universität Kassel
- IT management and administration of server and network architecture (Unix and Windows environments)
- E-learning workshop: organization, planning and implementation
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Education, Manufacturing, Automotive, Chemical, and Retail.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Project Management, Product Development, Business Intelligence, Research and Development, and Customer Service.
Skills
Areas Of Expertise:
- Index: Lucene, Elasticsearch
- Programming Languages: Python
- Software/Development Environments: Git, Gitlab, Pycharm
- Operating Systems: Linux/Unix, Windows
- Technologies/Tools: Nlp/Machine Learning (Pandas, Tensorflow, Spacy.Io, Scikit-Learn), Elastic Stack (Beats, Logstash, Kibana, Elasticsearch), Powerbi, Grafana, Docker, Ansible Playbooks
- Languages: Russian (Native), English (Fluent), German (Fluent), Spanish (Basic Knowledge)
Core Expertise:
- Planning, Architecture Design And Implementation Of Software Solutions In The Following Areas
- Intelligent Search Methods With Elasticsearch (Lexical Search, Semantic Search, Hybrid Search, Ai Search, Rag Systems)
- Elasticsearch And Ai Agents
- Observability And Security With Elastic Stack
- Data Analytics
- Natural Language Processing / Text Mining / Ai Methods
- Data Processing
- Research And Development In Machine Learning, Natural Language Processing, Text And Data Mining, And Information Extraction
- Agile It Project Management (Scrum, Kanban, Xp)
- Managing Software Developers With Different Levels Of Experience
- Leading Ramp-Up And Customer Projects
Languages
Education
Universität Kassel
PhD · Computational Linguistics · Kassel, Germany
University of Massachusetts Dartmouth
Master of Science, specialization in Data Mining, Artificial Intelligence, Neural Networks · Computer Science · Dartmouth, United States
Universität Kassel
Diploma, specialization in Computational Linguistics · German Studies, English Studies and Computer Science · Kassel, Germany
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Oxana is based in Mainz, Germany and prefers 100% remote projects.
Oxana speaks the following languages: Russian (Native), German (Advanced), English (Advanced), Spanish (Elementary).
Oxana has at least 25 years of experience. During this time, Oxana has worked in at least 24 different roles and for 19 different companies. The average length of individual experience is 1 year. Note that Oxana may not have shared all experience and actually has more experience.
Based on recent experience, Oxana would be well-suited for roles such as: Alerting concept and implementation, Architecture concept “Log Management”, Elastic Stack Consulting.
Oxana's most recent position is Alerting concept and implementation at Link Mobility GmbH.
In recent years, Oxana has worked for Link Mobility GmbH, Swisscom IT Services Finance Custom Solutions AG, Elasticsearch GmbH (elastic e.V.), ExperTeach GmbH, and Umarex GmbH & Co.KG.
Oxana is most experienced in industries like Information Technology, Education, and Manufacturing. Oxana also has some experience in Automotive, Chemical, and Retail.
Oxana is most experienced in business areas like Information Technology, Project Management, and Product Development. Oxana also has some experience in Business Intelligence, Research and Development, and Customer Service.
Oxana has recently worked in industries like Information Technology, Manufacturing, and Retail.
Oxana has recently worked in business areas like Information Technology, Business Intelligence, and Product Development.
Oxana holds a Doctorate in Computational Linguistics from Universität Kassel, a Master in Computer Science from University of Massachusetts Dartmouth, a Master in German Studies, English Studies and Computer Science from Universität Kassel and a Master in Education, Psychology & German as a Foreign Language from Pädagogische Universität namens I.N. Uljanow.
Oxana is immediately available part-time for suitable projects.
Daily rate distribution
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Average rates for similar positions
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The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 5 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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