Data Scientist 🔥

Киев, EU, Canada, USA · $2800 · 5 лет опыта · Upper Intermediate

Experience: - Data analysis: 5 years; - Machine learning: 3 years; - Big data: 1.5 year. Skills: - Python, SQL; - BIGQUERY, Hadoop, ClickHouse, SAS, SAP BW, Squirrel, MySQL; - AWS, Google cloud; - Other systems: SAP PSM (Profitability & Cost Management), Oracle Hyperion, Delopro (Enterprise Resource Planning System and customer relationship management); -Google analytics, Kepler.

AWS, BigQuery, Data Analytics, Data Mining, Data Science in Python, Deep Learning, Machine Learning, NLP

- Разработка и внедрение ML продукта с нуля по распознаванию голоса в музыке; - Разработка и внедрение ML продукта с нуля по рекомендации лучшего времени отправки для каждого email пользователя (55 млн писем каждый день, переобучения от изменения паттернов поведения); - Создание команды с нуля в рамках акселерации Big Data Lab от Vodafone. Мы выиграли данный акселератор как лучший проект по Big Data.

- создавать продукты или сервисы в Machine learning; - возможность развиваться в новых технологиях (Big data, machine learning).


Computer Vision and Machine Learning Research Engineer

$3000 · 3 года опыта · Advanced/Fluent

Programming Languages: Python • C/C++ • MatLab • Java. Technical skills: Pytorch • Tensorflow • Caffe • OpenCV • Git • Android Studio. Languages: Fluent in English, Russian and Ukrainian; intermediate working proficiency in Korean.

Matlab, PyTorch, Linux, OpenCV, Qt, bash, C/C++, caffe, Git, Java, Python, Tensorflow


Business Analyst

Удаленная работа, Украина · $300 · Меньше года опыта · Advanced/Fluent

• non-commercial projects with data: probabilistic modeling for stock price prediction, Ukrainian judiciary system analisys, text summarization for Ukrainian language, automatic risk assesment system for ProZorro, IMDB films location mapping. I ussually work with Python and R. • teaching my data viz and web-development courses at APPS UCU Summer Camp • event-organizing and volunteering experience in the field (Web Summit, Lviv Data Science Summer School, GDG DevFest Ukraine, IT Arena)

R, English, Probability theory, Statistics, Algorithms, Excel, game theory, Python, OOP/OOD, REST API, C

I am a student, taking part in different kinds of hackathons and programming competitions (Google Hash Code, ICPC), member of Minor Academy of Sciences of Ukraine (economics department). One of my main interests is performing reserach. Currently, I am a represantative of my university at natioal reserch science competition in the economic cybernetics department.

I am looking for an opportunity to start my career working with people who know how put their knowledge down into experience and are open for learning and teaching. My areas of interest for the job are: data analysis, prediction systems, behavioral economics. It would be perfect to work in a product company to use some of the things I've learned for defining product roadmap, performing customers analysis and analyzing the market.

19 февраля

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

Одесса · $1500 · Больше 10 лет опыта · 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). Main metric - ROC value

Linux, Natural Language Processing, python programming, time series forecastng, trading systems developing, MongoDB, Django

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. В последние годы больше времени уделял задачам по обработке и анализу текста (nlp).

дружный коллектив

18 февраля

Data Analyst / Junior+ Data Scientist

Киев, EU, USA, Canada · $3000 · 3 года опыта · Advanced/Fluent

Experience: * 3 years as a Game Analyst; * 1.5 years on UpWork doing Data- Visualization, Mining and Modeling --- Skills: * Python is love * R basic level, trying to master it now * Tableau - currently using 2018.3 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

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

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

18 февраля

Junior Data Scientist

Киев, London, USA, EU, Canada · $500 · Upper Intermediate

I'm studying at University on Cybernetics Faculty. I want to develop as a programmer and data scientist. I'm ready to learn and grow.

Data Science, English, Git, Math, numpy, pandas, Python, SQL, Statistcs, Statistical inference

Want to work as data analyst, data scientist or python developer.

18 февраля

Data Scientist

Харьков · $3500 · 5 лет опыта · Upper Intermediate

Data Scientist & Software Engineer with 8 years’ experience in software design and implementation for major clients in the Energy industry. Strives to leverage new technologies to build and deliver reusable tools and solutions to produce repeatable quality results.

Algorithms, C++, Data Science, English, Git, Machine Learning, Math, numpy, Python, SQL, Tensorflow

18 февраля

Senior Scala Software Engineer 🔥 

Kiev · $4500 · 5 лет опыта · Upper Intermediate

Scala: Akka(+ components), cats, scalaz, fs2, monocle, doobie, slick, http4s, shapless, etc... Java: Spring(+ components) Python: Django, Flask, NumPy, Pandas Queue: RabbitMQ, Kafka BigData: Hadoop, Spark Search: Elasticsearch, Sphinx DB: Redis, Neo4J, MongoDB, Cassandra, HBase, PostgreSQL, MySql Other: Docker, AWS, TensorFlow

Akka, AWS, Django, Flask, Highload, Java, Python, Redis, Scala, Spark, Spring, Cassandra, Docker, ElasticSearch, Hadoop, JavaScript, MongoDB, RabbitMQ

I participated in the creation of 7 large projects. In the last few projects I directly engaged in the development of architecture, which allowed to simplify the logic, improve efficiency and optimize business processes. I am result oriented person, that is why I am very attentive to each project in order to get the product of the highest quality

I am looking for an interesting project with a complex architecture

18 февраля

Data scientist

Одесса · $1200 · 1 год опыта · 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

18 февраля

Data Analyst

Львів, Київ · $700 · Меньше года опыта · Upper Intermediate

I'm currently working as a system analyst with such main responsibilities: - data mining using state-of-the-art methods; - extending company’s data with third-party sources of information when needed; - enhancing data collection procedures to include information that is relevant for building analytic systems; - processing, cleansing, and verifying the integrity of data used for analysis; - doing ad-hoc analysis and presenting results in a clear manner; - visualising results of analysis with PowerBI; - research and develop statistical learning models for data analysis; - implement new statistical or other mathematical methodologies as needed for specific models or analysis.

Algorithms, Data Mining, English, Excel, Math, numpy, pandas, Power BI, Python, R

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