Top Join to Hire Freelancers

Hire the best

Big Data Specialists

Top freelancing website for quality employers and freelancers to connect and collaborate.

Get Started

Volodymyr Kirichinets

Python software developer

$14 / hr

$0+ earned

  Ukraine

I am a Python-based, with over 7 years of experience. Graduated: Economics/Finance, Statistics/Econometric. Ability to speak: English, Ukrainian(native), Russian(native). PROGRAMMING LANGUAGES: Python, C, C++. PYTHON (v 2.x,3.x): Python standard library. WEB: Django, Pyramid, CSS, HTML, Javascript, JQuery, Bootstrap. GUI: Tkinter, PyQt, PySide, Qt(C++), QML. Science/BigData/AI: Scipy, Pandas, Numpy, Matplotlib, Scikit-learn. SQL: SQLite, MySQL, PostgreSQL. NoSQL: MongoDB, CouchDB Graphics: Blender, Inkscape. Tests: PyTest, PyUnit. OS: Linux, Windows. Software development(7 years) Web development(5 years) Content writing(5 years). Translation(5 years): English <=> Russian <=> Ukrainian Market Research(10 years). Examples: Django/Heroku example: https://web-app-14.herokuapp.com/ SKL example: https://www.dropbox.com/s/icq15f9dm7ne9mh/Aiconda.mp4?dl=0 CV: https://www.dropbox.com/s/sjcgonvp4oytpls/VolodymyrKirichinets_v1.4.1.pdf?dl=0 Content writing(PyQt): https://medium.com/@webmamoffice/getting-started-gui-s-with-python-pyqt-qthread-class-1b796203c18c Content writing(Machine Learning): https://medium.com/@webmamoffice/machine-learning-with-scikit-learn-supervised-learning-linear-regression-56c8ba546364 Content writing(Django): https://medium.com/@webmamoffice/first-steps-to-create-website-with-django-5a8629a04068 Book: https://www.packtpub.com/eu/application-development/hands-qt-python-developers

Grisha Zhigunov

FullStack developer and designer

$20 / hr

$9715+ earned

  Russian Federation

I'm a highly skilled DevOps engineer with experience in networking and programming. I am highly skilled in HTML, CSS, JavaScript, Java, and C. I have a degree in Computer Engineering and experience of over six years in my field. I believe my skills and experience will help me deliver the best solutions to any job. Over my career I have worked with many companies and clients both local and international, thus honing my skills and constantly learning. My skills include ⦁ Unix/Linux ⦁ Linux Fundamentals And Scripting ⦁ Infrastructure as Code (IAC) ⦁ NodeJS ⦁ Puppet, ⦁ Zabix ⦁ Jenkins ⦁ Experience configuring Linux Slackware web servers ⦁ Experience constructing and executing network, server, and application status monitoring ⦁ Proficiency with HTML, CSS, JavaScript, Java, and C ⦁ Proficiency in deploying and maintaining Java web applications ⦁ Android application development I'm also a eCommerce specialazing developer and am proficient in eCommerce and CMS platform and have developed various projects using Shopify, Magenta, WordPress and WooCommerce.

Zakaria Afkir

Java and Data Developer

$25 / hr

$0+ earned

  France

I am a java and data developer, expert in creating java apps (backend, nosql, cloud, big data).

Jeremy Meyer

Expert Fullstack Node.js / React Developer

$95 / hr

$0+ earned

  United States

I have 4 years of experience creating Node.js front end applications, mobile apps, web applications, backend web services, API gateways, API integrations, data pipelines, data dashboards, etc. On the front end, I'm experienced with React and Redux. On the backend, I'm experienced with Express, Koa, and Meteor. I'm also experienced with React Native for mobile app development. As an expert developer, I am able to learn new technologies very quickly because I've already done the same tasks with a similar technology. I'm experienced with various related technologies including GraphQL, Typescript, Mocha, Webpack, MongoDB, PostgreSQL, MySQL, Redis, and Nginx. I use git and unix. I have experience with a wide range of programming languages and environments, including Ruby on Rails, Python & Flask, C#.NET, Java, and C/C++.

Aegeus Damokles

ERP Business Analyst / Informatica Development and Full stack developer

$25 / hr

$14750+ earned

  Greece

HI there! I am a full stack developer having proven experience in ERP Business analyses. For many years I have developed business requirements documentation, managed data cleanup and data migration for all customer and historical sales order data, created training documents and trained end users and developed software enhancement specs, test programing changes and bug fixes. I have worked with programmers and off-site consultants to ensure client project deliverables. Managed many ERP related projects through project life cycle and scheduled programming, consulting, IT resources for my clients. I have helped clients with small bug fixes to major go live projects, developed and submitted fiscal budget, business reviews, financial projections and assigned cost studies in an accurate and timely manner to support division and corporate requirements. Tracked project and client requests on a daily basis. I have gathered technical and functional client requirements and managed those requirements through clear and precise documentation. Provided leadership with respect to integration issues including process mapping, business process reengineering, SAP integrations and change management. I have developed, maintained detailed project plans with tasks, deliverables and resource allocation necessary for successful implementation. Created client implementation plans, maintained and managed project issues to resolution and set up weekly project meetings internally and with the client. As a professional Informatica developer I have developed complex informatica mappings to load the data from various sources using different transformations, designed incremental loading process to load data into staging tables, created worklets, workflow and tasks to schedule the loads at required frequency and participated in user meetings, gathered Business requirements and specifications for the data warehouse design. I have translated the user inputs into ETL design docs, analyzed and quantified the impact of projects on upstream systems. Performed extensive analysis of new data to satisfy business requirements and was responsible for deploying the changes from logical data model to physical modeling. I have performed reverse engineering from Informatica codes, designed and implemented the core ETL methodologies, created unit test cases to test data loads and check whether the components adhere to the technical design, scheduled worklets and configured email notifications. I have participated in testing and performance tuning by identifying bottlenecks in mapping logic and resolving them, setting cache values and creating partitions for parallel processing of data.

Lalita Lalita

SEO/SMM Guru, Google Ranking, Link Building Expert

$5 / hr

$0+ earned

  India

I'm here to provide the best and useful SEO, SMM, Content Writing and Link Building services to websites across the world. I can provide the best for my clients with 100% satisfaction. I have more than 5 years of experience in the SEO industry. My Strongest Points are: * I am updated with the Google latest update named Google Hummingbird. * I have excellent command over written and verbal English language. * Believe only in White Hat techniques and tactics to get ranking. * I am a smart working person and always pay close attention to details. * I am very flexible and can work as per the required timings and schedule. * I have knowledge of HTML, WordPress and many other platforms too. My Services are as follows: Search Engine Optimization (SEO) Google+ Local Optimization Online Marketing Social Media Marketing Google Webmaster Google Analytics Link Building Content Writing and other technologies To know more about my services, invite for the interview. I'm ready to discuss. I am available more than 40 hrs or full time for this job. Full time communication through Skype. Looking forward to your reply and for a chance to serve you better with my working facilities.

Dima Suminov

A Catoonist and a Game Developer

$25 / hr

$4750+ earned

  Ukraine

I have over seven years of working experience as a Game Developer. I have successfully helped to create, develop, and enhance new and existing game programs for sale. I am conscientious, dependable, and also offer a degree in Computer Gaming. I have worked for a number of supervisors, as well as a part of large departments of Game Developers so I know how to take direction and also work as a part of a team. My second profession is a Catoonist. I have been a Cartoonist for the past six years. I have a degree in Art, with a specialty in Cartoonist and Animated Design. I handle all cartoon animation to TV productions, and have been responsible for helping on the following programs: Flip Boom, CreaToon, TV Paint and Motion Studio. I am highly creative, love interacting with various kinds of media, working as a part of a team, and taking on a variety of exciting projects at once

Fred Voronov

Senior Developer

$21 / hr

$3533+ earned

  Russian Federation

I am a professional freelancer experienced in Website development and Design. I am devoted to my jobs, all my time, anergy and enthusiasm put into them to make my project flawless. I have 8 years of experience in the following frameworks: Full stack web development in frameworks of JS, PHP, HTML5, CSS, Python; CMS (Wix, Wordpress, Square Space); Web crawling frameworks, e.g. Scrapy (Puthon); eCommerce store frameworks, e.g. Shopify, Magento, Prestashop; Different software projects: database applications written primarily in C++ and based on MS SQL Server (sales manager, taxi dispatcher etc); Network applications in C++ and C# (remote administration tool, file server, multi-player game etc); Happy to cooperate with you from all the corners of the world.

David Nichols

Medical and clinical database design and analytics expert

$50 / hr

$0+ earned

  United States

I am skilled data and database designer with focus on data in the medical space. I have worked on projects involving database, data warehouse, and data visualization design. I also have experience in data migration, analytics, and AI learning on the medical and EMR space.

Nick Borak

Senior iOS App Developer

$30 / hr

$4350+ earned

  Hungary

I have built multiple iOS apps for my clients over the past 10 years of my experience. I have developed a wide range of softwares using C#,C++,ASP.NET PHP and MySQL including sites for companies and small businesses. My most competitive features come from offering an excellent quality product. I am highly Competative, Innovative, and Responsible. Here You can find the skill set of our Enginner: - Backend: PHP Frameworks - CakePHP, Laravel, Codeigniter, Yii, Zend, Phalcon, Symfony 2, Xataface - DB: MySQL, Sql, MongoDB - HTML5, CSS3, SASS - JavaScript: Node.js, Angular.js, React.js, Ember.js, Backbone.js Marionette.js - Ajax, JQuery, SaaS, APIs - CMS: WordPress, OpenCart, Magento, PrestaShop, Shopify, Drupal, Joomla, Wix, Weebly,Alfresco - Objective - C (iOS), Swift, Java (Android) - NET Framework - ASP.Net - Python 2.5+ - GitHub and Agile dev methodologies - UI / UX designing, Photoshop, Illustrator, Corel Draw.