Data Scientist

Удаленная работа, Украина · $2500 · Больше 10 лет опыта · Advanced/Fluent

DATA SCIENTIST March 2018 – present - Development, implementation, support and enhancement of forecasting systems for cryptos, metals and currencies basing on nonlinear dynamics models; creation of own nonlinear forecasting algorithms - Work on Adverts parsing and processing projects - Development of interactive 3D Globe for Economic Data Visualization - Work with R, C#, Elixir and JavaScript technologies, Microsoft SQL Server SENIOR MATHEMATICIAN, DATA SCIENTIST August 2016 – February 2018 - Development, implementation, support and enhancement of forecasting systems for sales indices - Creation of analytical and forecasting products basing on multi-dimensional nonlinear forecasting, multi-models forecasting systems, nearest neighbors, ridge regression, logistic regression, random forest, cluster analysis, factor analysis, principal component analysis - Preparing multiple decks on the project results for the clients - Work with R and Python, PostgreSQL PROJECT MANAGER, ECONOMIC PROCESSES MODELING EXPERT March 2008 – August 2016 - More than 30 successful industrial market research projects: market research and modelling, SWOT and COST analysis, market niches identification, market volumes and sales forecasting, etc. - Development and implementation of forecasting and classification systems for number of subscribers for information & analytical products - Development and implementation of nonlinear forecasting system for price forecasts - Construction of optimization models for industrial markets for deep analysis of structure and prospects of the markets - Development and implementation of the unique charts format (including Cost Curve and others) - Participation in international conferences

Python, Machine Learning, SQL, Data Science, Git, Math, Algorithms, Data Mining, R, Excel, Text Mining, English, Time Series, Predictive Models, Excel/VBA, C#, PostgreSQL, JavaScript

22 июня

Разработчик ASP.NET

Удаленная работа, Украина · $4500 · Больше 10 лет опыта · Advanced/Fluent

asp.net, asp.net, mvc, wcf, web api, wpf, web services, ado.net, Entity, Framework, T-SQL, SQL, Server, JavaScript, jquery, Angular, React, Azure.

asp.net mvc, C#, MSSQL, WinForms, .NET, ADO.NET, ASP.NET, CSS3, Entity Framework, HTML5, JavaScript, LINQ, MVC, SQL, T-SQL, WCF, WPF, Entity, AngularJS, ASP.NET

19 июня

Game design

Удаленная работа, Украина · $2800 · 5 лет опыта · Intermediate

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

game design, UX, analyst

Interesting projects

19 июня

Разработчик баз данных

Удаленная работа, Россия · $2000 · 8 лет опыта · 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

18 июня

Computer Vision

Удаленная работа, Украина · $5000 · 5 лет опыта · Upper Intermediate

Git, OpenCV, Linux, Python, Computer Vision, Machine Learning

Looking for a remote job. Machine Learning / Computer Vision / Image Processing

18 июня

DB / DWH / BI Developer (remote only)

$2800 · 8 лет опыта · Advanced/Fluent

Understanding of relational database concepts; estimation, implementation planning; development, integration and deployment; Good knowledge of SQL, PL/SQL and Transact-SQL; + sql statements performance tuning; + reverse engineering of undocumented sql and pl/sql code; Experience with Oracle, MS SQL Server, mysql, postgres and other db, DWH; Experience with Oracle BI (repository, analysis, dashboard, agent development) and SAP Business Objects (universe and report development); Experience with data quality & validation; Experience with VBA, unix shell scripts (basics); SVN & Git; Experience with support of front-end system (printing forms, table settings); Experience with support of Basel II and ARZ reporting systems; Linux enthusiast; English: C1 Advanced level; Polish: almost fluent speaking and very good writing level; Freelance experience with Oracle, MS SQL Server, Postgres and MySQL.

Jira, Oracle, PL/SQL, SQL, Ubuntu, MS SQL Server, MySQL, T-SQL, Git, Linux, DWH, PostgreSQL, XML, PL/SQL; индексы; оптимизация запросов; хранимые процедуры, MSSQL, SVN

Developing and supporting of fraud prevention alarm system for internet banking. Also I've implemented client risk evaluation system based on information about client's operations.

Casually looking for new opportunities in DB / DWH / BI development. Please consider that I would accept remote openings only. Right now I am not available for full day.

18 июня

Data scientist

Киев · $2000 · 6 лет опыта · Intermediate

R, Python, Julia, tensorflow, keras, mxnet, xgboost, caret Machine learning, deep learning, data science, biostatistics

Biostatistics, Clinical trials, Machine Learning, R (language), Deep Learning, Python, Julia

17 июня

Excel VBA Developer

Киев · $600 · 6 лет опыта · Intermediate

I am Excel Expert with 6 years of experience on Upwork and strong VBA programming skills. I develop macros for multiple workbook processing, CSV modification and mapping, charts creation, advanced filtering and sorting, duplicates search and removal, web data scraping, FTP download and upload, interaction with Word documents and other useful actions. Also I design complex formulas (index/match/vlookup), User Forms, Ribbon buttons and develop Excel Add-Ins (xlam). My service includes tutorials, well-commented code and longterm support. There are more than 250 completed projects since 2013 in my portfolio. Currently I am spreadsheets developer of College Board contractors comany Academy Technologies Inc. which develop solutions to process ACT and SAT exam results for US colleges. Excel Add-In developer in Pilgrim Consulting Inc., the contractor of Tennessee Hospitals Association in the past. Additionally I work as Python developer in stock data analysis project for private ETRM consultant from Netherlands. Developed Excel macros to proceed Yahoo! Finance data and calculate earnings dates. In 2016 project moved to Python3 in AWS EC2 & Lambda, so I familiar with boto3, pandas, pymysql, xlrd/xlwt, Interactive Brokers API, Exante, Quandl. Have basic SQL knowledge and understanding of stock trading operations. My client provide consulting services for E.On and other european Energy market members. I have M.Eng degree in Electronics (2010) and M.Ed in Mathematics and Computer Science (2017).

Excel/VBA, VBA, Excel, MS Excel, Python, SQL, pandas, AWS

I proud in VBA to Python conversion project, really :) It was a hard 3-year job but with perfect results. Also happy to be a part of US educational process and make teachers life easier with my Excel VBA solutions.

Looking for remote (preferable) or office position as Excel VBA Developer or Data Scientist. Intermediate written English but basic spoken, so I am not ready to speak with clients directly!

17 июня

R&D Engineer - Machine Learning | Deep Learning

Удаленная работа, Украина · $5000 · 9 лет опыта · Advanced/Fluent

Languages: С++, Python, CUDA-C, C#, R (sorted according to the amount of experience in decreasing order). Know, can do (and love to do) everything around Computer Vision, Machine Learning, Deep Learning. I have PhD in Functional Analysis, Master degree in Applied Mathematics.

computer vision, Deep Learning, Machine Learning, С++, CUDA, OpenCV, Python, Git, C#, Jira

In 2010 I've developed a core of content-based image-retrieval engine called WeSEE:Search. When the number of images reached 200 millions I've developed image duplication detection algorithm based on local features. From 2011 till now I develop content-based advertisement targeting solution WeSEE:Ads. It uses images and video from webpage and a lot of Computer Vision algorithms to predict the best possible advertisement. The main technology used is Deep Neural Networks with 15-30 layers for different taks: general categorization, face recognition, age and gender detection, brand-safety. This technology is used by dozen of companies in UK. Currently working for few startups in Israel and USA. I develop Deep Learning systems for them.

I love complex problems :) Interested in Computer Vision, Machine Learning, Deep Learning - everything else won't work out for me.

16 июня

Data Scientist / Data analytics

Europe · $3000 · 5 лет опыта · Intermediate

Data scientist 09/2018 – Present Appodeal, Belarus, Minsk - Were proposed and adopted a number of changes FFMs, it contributed to the enhancement of the precision model (has been excluded overfitting, auto tuned Hyper parameters); - Created new features for FFMs model, which has led to increased accuracy model more than 40%; - Has been implemented pipeline for FFM, predicted IMS to CLICKS, CLICKS to INSTALLS, which has led to a great increase in the profit. Data Analyst 09/2017 – 09/2018 Playgendary, Belarus, Minsk - Conducting verification of compliance all in-app monetization events (purchases and subscriptions); - Creating reports from RAW data has been located on AWS server (Python + Unix); - Organizing process for creating, preprocessing and analysis data collection; - Building models (Linear Regression, Logistic Regression) to address business problems (enhancing LTV, players classification); Data Analyst 09/2016 – 09/2017 lifecell, Kyiv, Ukraine mobile operator - Conducted reports for implementation of marketing strategies LTE, will leading to 18% growth in customer acquisition; - Computation customer habits using machine learning package Python Scikit-learn. Carrying out specified data processing and statistical techniques for active subscribers (> 8M); - Developing automated process of analysis data implemented on Python; - Handling of large datasets stored in relational and non- relational databases (Oracle, MongoDB).

Machine Learning, Python, Data Science, scikit-learn, SQL, pandas, numpy, Math

Data analyst who has been at the forefront of the telecom industry for the past 5 years. Adept of data analysis and visualization data. Specialize in comprehensive automated processing in Machine learning, using huge experience in Python, Scikit-learn, pandas and big data.

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