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Last updated: October 1, 2015

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Andrey Markin

Andrey Markin


Russia - Tests: 3

I'm a Java developer moved from financial markets modeling and algorithmic trading to software development and integration architecture. My experience varies from data analysis to python, java and javascript web frameworks to java backend development and server configurations. Long term relationships with clients are number one priority, but this doesn't mean I'm not interested in just-do-it monthly projects. As a selfish egoist I'm primarily looking for interesting ones.))) I'm flexible with my working hours and am able to work closely with any existing coworkers you work with. Making a contact is a perfect and surprisingly the shortest way to start cooperating. Yours Andrey).

$22.00 /hr
200 hours

Caner Candan

Caner Candan Agency Contractor

C++, algorithms and PhD scientist

France - Tests: 6 - Portfolio: 1

I have almost 10 years of C++, and Python experience, and a PhD in computer science in the field of optimization and non-deterministic algorithms. During my past positions, I have co-published papers in several international and national conferences in the fields of Evolutionary Algorithms, Parameter Setting, Hybrid Algorithms, Parallel Algorithms and Island Models in combinatorial as well as continuous optimization problems and contributed as well actively on several software projects (framework) such as Evolving Objects (EO), ParadisEO and, as part of my thesis, DIM (Dynamic Islands Model). As part of my doctorate contract, I also provided courses for post-graduate and master degree students and am contributing actively to several FOSS projects. Looking for software engineering projects I worked on? Please consider my GitHub page:

Associated with:

$77.78 /hr
3 hours

Wei-Ting Kuo

Wei-Ting Kuo Agency Contractor

Web Developer / Data Scientist

Taiwan - Tests: 3

========== Summary ========== I'm a web developer, a devops, & a data scientist I'm an open source contributor & promoter. I'm an organizor of some meetups. I'm an speaker of some well-known conferences. ====================================== Famous open source projects I've contributed to ====================================== [Docker] docker/docker docker/fig docker/machine [Meteor] meteor/meteor iron/router [Pandas] pandas/pandas ======== My Skills ======== [Computer Language] 1. Python 2. node.js 3. html/css/javascript 4. Go [Big Data] 1. Hadoop 2. Hive 3. Pig [Data Analysis & Machine Learning] 1. Pandas, Scikit-Learn, numpy (python) 2. R [Web Development] Front-end: 1. html, jade, jinja2 2. css. SASS/SCSS, stylus, bootstrap 3. javascript, coffeescript 4. Meteor, jQuery Back-End: 1.flask, bottle (python) 2. Meteor (js) [Database] 1. MySQL 2. PostgreSQL 3. MongoDB 4. Redis [Message Queue] 1. RabbitMQ [Hosting] IAAS 1. AWS 2. Azure 3. DigitalOcean 4. Linode PAAS 1. Heroku [Devops] 1. Fabric 2. Capistrano 3. Docker

Associated with: zotu

$38.89 /hr
57 hours

Richard P.

Richard P.

Engineer Quantitative Trading Analyst Quantopian Python mySQL

United States - Tests: 1 - Portfolio: 2

Good day and thank you for checking out my profile! I am a freelancer with over 20 years experience in the design and support of enterprise applications and cloud/virtual/physical hosting. My current specialty is in providing custom support, automation, tuning, optimization, troubleshooting assistance and programming in LAMP-based web architectures, mySQL/mariaDB based applications and python based stock algorithm trading via or offline using the open source zipline trading package. Trained as a Electrical Engineer, I have worked extensively in a variety of languages, platforms and tools including numerical optimization techniques, signal processing, machine learning, time series analysis, databases, financial modeling, regression analysis, portfolio theory and application of technical indicators. I have been programming in python since 1999. I have been a Quantopian community member and beta participant in their python financial trading algorithm platform since 2013. I have been recognized by Quantopian support with their iconic red T-shirt and was one of 7 winners of the #Fundamentals coding contest. Current interests and specializations in quant finance include: - Optimization (linear, convex, Bayesian) - Exploiting the power of pandas - the python data structure and analysis library - Use of ta-lib Technical Analysis indicators - Markowitz mean-variance optimized portfolios - Risk management and hedging tactics - Statistical Arbitrage based pairs trading - Using corporate fundamental data - Event driven trading I have worked on several mySQL/mariaDB optimization projects. Tuning of queries, tables, indexes and data models based on analysis of slow query logs is an area of focus for me. I have several years of experience with LAMP based web hosting using cloud based platforms including Amazon AWS.

$45.00 /hr
176 hours

Bennett Bullock

Bennett Bullock

Data Scientist

Brazil - Tests: 1

Currently seeking contracting positions in Data Science, Machine Learning, and Natural Language Processing. I have 10 years' experience in the field, having worked on search engines and analytics platforms in the US Defense-Intelligence Community and the financial sector (Bloomberg LP). I have a Master's degree in Arabic Linguistics from Georgetown University and a Master's degree in Biosciences and Technology from MIT.

$44.44 /hr
27 hours

Noah Golmant

Noah Golmant

Software Engineer

United States - Tests: 3 - Portfolio: 2

My goal as a freelancer is to effectively fulfill the client's requirements, making sure that they are satisfied with the end product while maintaining a strong focus on pragmatism, functionality, and timeliness. I have six years of self-taught programming experience, focusing mainly on OOP languages like Java, C++, and Python. However, I pride myself on my ability to learn new languages and concepts easily and to adapt to different paradigms given new requirements. I am currently enrolled at UC Berkeley studying computer science, with a focus on artificial intelligence and machine learning applications. I am also pursuing a double major in bioengineering. My current personal projects include: - a neural network-based music recommendation engine utilizing heavily concurrent audio signal processing modules. - a mobile application to extract text from images and provide a translated overlay into another language. - a browser extension using machine learning and sentiment analysis techniques to identify potential bias in news articles. I have extensive experience in group programming, individual assignments, and software management. I am currently in charge of a group of fifteen high school students with limited programming experience, whose end goal is to produce a robot to compete in the FIRST Robotics Competition.

$22.22 /hr
13 hours

Michael Lin

Michael Lin

Python Programmer

United States - Tests: 1

PhD candidate Python programmer with 8 years of experience Developed over a dozen research and commercial projects in Python Extensive experience with major Python scientific computing libraries, such as numpy, scipy, pandas, scikit, matplotlib, networkx Experience implementing complex algorithms from mathematical descriptions to working, online, distributed implementations Experience developing websites in Django, using postgreSQL and MySQL Experience creating websites and computing platforms on AWS from scratch Experience using Python to develop desktop applications Additionally experienced in C/C++, Java, and Hadoop

$50.00 /hr
84 hours

Liu Ke

Liu Ke

Algorithm developer


I have been developing, implementing and testing software algorithms for 8 years. I am familiar with various types of software algorithms, ranging from heuristic algorithms to various machine learning models like random forest trees and genetic neural networks. I cover the process from concept, prototype, development, testing and verification to specification. I also do algorithmic visualization, data mining and AI. Software frameworks I am familiar with: - python (numpy, scipy, pybrain, scikit-learn, etc) - c/c++ (boost, cuda, opencv etc) - hadoop, mapreduce schemes I look forward to assisting you with your algorithm and associated development needs.

$30.00 /hr
693 hours

Yi Liu

Yi Liu

Data Analyst/Python/Java

United States

SKILLS: Operating Systems: Linux, Windows Programming Languages: C++, C, Java, SQL, R language, Python Software: Visual Studio, Eclipse, Processing 2.0, Matlab, R Studio, WireShark, OPNET, OMNET++, MS Office Others: Fluent in Mandarin Project: Chinese Text Classification June 2014-July2014 Analyzed short Chinese sentences of complaints collected from a residential community. Generated Java program to construct Chinese text segmentation. Applied neural network to classify each sentence to the appropriate categories. Music Recommendation System April 2014-May2014 Incorporated both Neighborhood Algorithm and Matrix Factorization Method to handle real data from Yahoo Music. Created software to realize music recommendations for specific users, we could then select 3 types of music the user would like most.

$3.33 /hr
60 hours

Alexey S

Alexey S

Fanatic Pythonista with JavaScript skills

Russia - Tests: 5

I've been programming in Python for 10 years now. I love writing scripts to parse, process and do any kind magic to any data. I also regularly do the following: * back-end web development with Django, Flask * front-end development with JavaScript, CoffeeScript, Backbone * numeric data processing I've been also doing some Mac development in Objective C lately.

$30.00 /hr
3 hours