today

data analysis engineer, data analyst, data science engineer, data analysis, nlp, ai, time series, python, R 

kharkiv, Ukraine · $1500 · More than 10 years of experience · Upper Intermediate

FuzzyLogic (Dubai), Brandcrafter (Hong Kong) --------------------------- Positions: Data Science engineer Tasks/Technologies: • Web crawler development, • web scraping technology (regular expressions, other parsing tools), • Web pages content processing: • cleaning (html tags removing etc), • storing results (clean text, links, meta information etc) to Google Storage in “.csv” format, • loading the data to Google BigQuery database. • Processing the structured data • scoring the web pages using complex criteria (td-idf value, page rank and others), • clustering web pages, • creating inverted index, • search engine development (for some web pages dataset), • running the tasks in batch mode (Luigi tool). • term frequency / inverted document frequency text model, • LSA (Latent semantic analysis), • dimention reducing (PCA, SVD), • inverted index, • page_rank, • cosine similarity, • machine learning models for text documents clustering and classification, • other natural language processing technologies (stemming, lemmatization etc), • running the system in batch mode (Python Luigi library). Email classification (to given categories set), • N-grams extraction (keywords and key-phrases extraction from web pages text other natural language processing technologies (stemming, lemmatization etc), sklearn Python library (machine learning), KEA Java library (keywords extraction). Automated trading systems development for traders: Time series analysis and forecasting technologies. Veradata: Specific data preprocessing (all numeric to categorical - one hot coding etc.). Extremely not balanced data (3-4%/96-97%) for binary classification).

python programming, time series forecastng, trading systems developing, Data Analytics, Data Mining, Data Science, data analysis, NLP, r language

Специализация - анализ данных, временные ряды, прогнозирование, natural language processing Работал 10 лет в Харьковском Национальном университете им. В.Н. Каразина инженером-программистом и преподавателем на кафедре теоретической и прикладной информатики. Занимался научной работой и коммерческими проектами в сфере разработки ПО. Занимался разработкой торговых роботов для фондовой биржи Украины и форекс, обработкой и анализом текста веб-страниц (nlp).

дружный коллектив


today

Data scientist

kyiv, Ukraine · $1500 · 1 year of experience · Advanced/Fluent

- Programming languages : Python, R - SQL, nonSQL - data manipulation and analysis: Pandas, numpy - data visualization (Tableau, Matplotlib, seaborn) - ML and DL libraries: Tensorflow, sklearn, Keras, Pytorch

R, pandas, MongoDB, numpy, Python, sklearn, Tensorflow, MySQL, PyTorch, Redis, Tableau


yesterday

Data | Machine Learning | Ruby | Python

ljuboj · $3000 · 2 years of experience · Advanced/Fluent

ruby python rails machine learning aws docker

Ruby, Rails, Ruby on Rails, Algorithms, docker, Python, Linux, Nginx, Redis, AWS, Machine Learning

no front


yesterday

Data (Game) Analyst / Data Scientist

kiev, eu, usa, canada · $3000 · 3 years of experience · Advanced/Fluent

Experience: * 3 years as a Game Analyst; * Completed several projects on UpWork doing Data- Visualization, Mining and Modeling --- Skills: * Python is love * R basic level, trying to master it now * Tableau - currently using 2019.1 version. Member of developers community * Google Cloud (BigQuery, DataStudio,CloudML) * Hadoop (Experience querying Hive and Impala) * Elastic Stack (Worked with ES, Kibana) * Automation and Scheduling (Azkaban, GCloud, etc.) * Git, Shell, Docker

Python, Machine Learning, SQL, numpy, pandas, Git, scikit-learn, English, Math, Jira, Data Science, BigQuery, Google Data Studio, Hadoop, Jupyter Notebook, IPython, ML libraries, Tableau, QlikView, game analytics, Data Science in Python, Data Visualisation, Business Planning, Machine leaning

Adequate management, modern technical solutions and hardware, small team of professionals


yesterday

Database Developer

kyiv, Ukraine · $2500 · More than 10 years of experience · Pre-Intermediate

• Большой опыт проектирования систем, моделирование структуры данных предметной области, знание методов теории нормализации баз данных, моделирование отношения сущностей. • Более 10 лет опыта программирования проектирование приложений с использованием системы управления базами данных. • Участие во всех этапах жизненного цикла разработки систем: анализа, проектирования, разработки, тестирования, внедрения и сопровождения. • Разработка комплексных объектов базы данных, такие как хранимые процедуры, функции, пакеты и триггеры с использованием SQL и PL / SQL. • Моделирования ER моделей данных для OLTP и многомерного моделирования для OLAP • Большой опыт разработки различного программного обеспечения • Большой опыт доработки, отладки, поиск и устранения багов в чужом коде. • Решение задач связанных с производительностью базы данных, оптимизация кода и SQL запросов. • Большой опыт программирования • Большой опыт работы с большими базами данных, в высоко нагруженных системах

PL/SQL, ETL, Delphi, SQL, OLAP, OLTP, Oracle Database, ErWin, JavaScript, Node.js, PostgreSQL, Git, Python, Java, HTML


yesterday

Game design

Remote work, Ukraine · $2800 · 5 years of experience · Intermediate

Game design, Lead Game design, Analyst Tableau, Confluence, JIRA, Unity3D, Unreal Engine 4

game design, analyst

Interesting projects


19 April

DWH/ETL Developer

$4500 · More than 10 years of experience · Upper Intermediate

I am a DHW / ETL Developer with strong understanding of business needs. I have more than ten years of experience as an IT expert in various industries and can understand business challenges and opportunities quickly. Briefly, I can solve your problems and deliver value without extra supervising. I have experience with: - SAP HANA Data Design & Modeling, Performance Optimization & Troubleshooting - SAP HANA XSJS Services Development - SAP DataServices (ex. Business Objects Data Services) 4.2 ETL Process Development - MS SQL 2008 / 2012 / 2014 Data Warehouse Development - MS SQL 2008 / 2012 / 2014 SSIS ETL Process Development - MS SQL Azure Development - Azure Data Factory v2 Development - Azure Data Lake Storage Integration - Azure Databricks/Python Development

Business Objects Data Services, MS SQL Server, SAP HANA, SSAS, SSIS, Azure Data Factory, JavaScript, Python

Sales reporting system based on MS SQL SSAS + MS SharePoint 2007 (SharePoint Excel Services). Data collected from legacy and current accounting systems using MS DTS / SSIS. DHW / ETL for price-monitoring. Collect SKU price data from regional databases of Sales Force Automation system using MS SSIS. Various DWH / ETL / web-services projects (customer and project details under DNA) on SAP technologies (SAP HANA, SAP XSJS, Business Objects Data Services).

Looking for DWH / ETL / Cloud solutions development. Big Data / Data Science in prospect.


19 April

Blockchain Developer

sankt-peterburg · $1500 · 1 year of experience · Intermediate

Solidity, Truffle, Metamask, Python, Android, Web3.js, Neo, Ethereum blockchain, Smart contract development and audit, Technical review of ICO projects

Solidity, Smart Contract audit, Truffle, Android, Android SDK, Java, Python, Algorithms, Web3.js, Swift

Пишу статьи связанные с блокчейном https://medium.com/@ilkadyrov Опыт работы в HashEx как блокчейн разработчик и аудитор смарт контрактов, также в агентсве ICORating как технический блокчейн аналитик, аудитор смарт контрактов.

Ищу проекты, которые заинтересованы найти аудитора/разработчика смарт контрактов, децентрализованных приложений или аналитиков блокчейна и проектов.


19 April

Разработчик баз данных

Remote work, Russia · $2000 · 8 years of experience · Pre-Intermediate

SQL, Transact SQL, PL/SQL Проектирование и разработка баз данных с нуля Доработка существующих баз данных Проектирование архитектуры систем Управление командой разработчиков Интеграция различных систем Аналитика/Разработка отчетности Управление проектами

Product management, SQL, T-SQL, MySQL, PL/SQL, PostgreSQL

Большой опыт проектирования и реализации сложных систем. Томское пиво - внедрение бюджетирования отделов (Парус), внедрение системы мобильной торговли (Оптимум), внедрение системы управления ресторанным комплексом (R-Keeper + StoreHause) Сибирская Аграрная Группа - разработка и внедрение системы прослеживаемости на предприятиях холдинга (Убой, Мясопереработка, Производство комбикоромов) Множество проектов интеграции различных систем с решениями на платформе 1С.

Участие в сложных и интересных проектах


19 April

Analyst

kiev, hmel'nitskij · $1000 · Less than a year of experience · Intermediate

I had an internship at SoftBistro company in Data Engineer/Business Intelligence team where I improved my skills in getting data from internet sites, writing SQL scripts, optimization working with databases, getting information from data and visualization it. I was an officer of the Ukrainian Army from 2006 to 2018. When I retired in 2018 my military rank was a lieutenant colonel. During my career I worked at different roles and had a lot of responsibilities, including, but not limited to: mentoring and educating staff plan and organize purchase; maintaining a database of armor repairs using PostgreSQL; prepare analytical reports of armored vehicle damage using Excel, PowerPoint; account and report of weapons and munitions availability using MS Excel. I worked with people, vehicles, data, different organizations.

Python, PostgreSQL, Microsoft Office, SQL, pandas, numpy, Git, English

My personal achievements in the Army: organization of electronic registration of documents in the department; automation of the calculation of the need and availability of resources (using Java and Excel). I have learned much. I learned the values of teamwork and commitment, how to win, how to get a positive experience from fails, how to work hard, how to concentrate and focus on goals, and how to balance my time and priorities. The passing years offered me a good chance to give full play to my intelligence and diligence. I had an internship at SoftBistro company in Data Engineer/Business Intelligence team where I improved my skills in getting data from internet sites, writing SQL scripts, optimization working with databases, getting information from data and visualization it.

I am looking for an opportunity to work with Company as an Analyst where I am willing to improve my skills in Analytics, visualization, create and maintenance automatic processes, process massive amounts of data, get information from data to implement it as business ideas.


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