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Boris Shemigon

Boris Shemigon

Montreal, QC, Canada
Member since June 23, 2012
Boris is a senior web developer, team lead, and architect with over 14 years of experience. He is an expert in the full cycle application delivery as a solo developer or with a team. He is the most proficient in Python (with Django/Flask), PostgreSQL, and JavaScript, and is well-versed in a variety of databases, VCSs, operating systems, platforms, and technologies.
Boris is now available for hire
Portfolio
  • Charter Schools USA
    Python, Django, AWS, PostgreSQL, Snowflake, Docker, RabbitMQ, Celery
  • Tule
    AWS, Python, Redshift, MySQL
  • Betasmartz
    Python, Django, Flask, PostgreSQL, JavaScript, AWS
Experience
  • Database Design, 10 years
  • Python, 8 years
  • PostgreSQL, 8 years
  • Django, 8 years
  • Amazon Web Services (AWS), 6 years
  • Software Architecture, 6 years
  • System Integration, 2 years
  • Continuous Integration (CI), 2 years
Montreal, QC, Canada
Availability
Part-time
Preferred Environment
Mac OS X
The most amazing...
...piece of software I've made, amongst other great things that I'm quite proud of, is a distributed price tracker system.
Employment
  • Lead Developer/Architect
    2017 - PRESENT
    Charter Schools USA
    • Led the development of an education-related project with a team of five people. I'm the architect, mentor, and key developer.
    • Created deployment pipelines on AWS for development and production deployment to build Docker containers, run tests, and deploy to the server/Elastic Beanstalk.
    • Designed a solution allowing seamless processing of compute-intensive data to and from the application.
    • Developed an integration with third-party services (NWEA, Easybridge, Powerschool, Clever, Lexia, etc.).
    • Designed and implemented a data warehouse data structure and permission model (in Snowflake).
    • Directly communicated with the customer (the Education Department) to assess their needs for the project and deliver the product on time.
    Technologies: Python, Django, AWS, PostgreSQL, Snowflake, Docker, RabbitMQ, Celery
  • Data Engineer
    2018 - 2018
    Tule
    • Engineered software to ingest big data.
    • Normalized and consolidated data.
    • Integrated AWS Aurora and AWS Lambda.
    Technologies: AWS, Python, Redshift, MySQL
  • Senior Developer
    2016 - 2017
    Betasmartz
    • Built an investment estimation tool for the robo-adviser.
    • Implemented a number of code improvements to gain up to 600% performance optimization.
    Technologies: Python, Django, Flask, PostgreSQL, JavaScript, AWS
  • Senior Developer/Architect
    2015 - 2016
    Healthsense, Inc.
    • Introduced, designed, and made a technical assignment to build a distributed infrastructure to support scalable execution of time-consuming jobs based on existing processes.
    • Upgraded long-running periodic jobs to support the distributed infrastructure, making the jobs scale horizontally.
    • Optimized periodic jobs to run 40x faster to offer users 4x fresher data and significantly reduced server load.
    • Introduced continuous integration and automatic deployment.
    • Created deployment scripts that decreased deployment time, proved to significantly reduce the human factor.
    • Performed data analysis of ~200 million records using map-reduce and task-specific algorithms.
    Technologies: System Architecture, Test-driven Development, Continuous Integration, Problem Solving, Python, Django, MySQL (Fine Tuning), MongoDB, Celery, RHEL, Jenkins, RabbitMQ
  • Senior Developer/Architect
    2012 - 2015
    ClutchRetail, Inc.
    • Created a distributed price tracker to monitor ~600k web pages per day.
    • Designed and implemented an AWS-backed autoscaling distributed system to support the price tracker and web interface.
    • Developed a bookmarklet to let the users add their own products from any website.
    • Made an extension for the Chrome browser with extended bookmarklet functionality.
    • Utilized automatic deployment.
    • Developed automatic website parsing with PhantomJS to work with the price tracker.
    • Made a Sphinx-based full-text search for over 2 million tracked products.
    • Created an online email designer system (create/edit/manage client email templates in the browser).
    • Developed a REST API with social network authentication.
    Technologies: System Architecture, Database Design, Test-driven Development, Continuous Integration, Social Networks, Python, Django, JavaScript, jQuery, PostgreSQL, Amazon Web Services, PhantomJS, Sphinx, Celery, Redis, Memcached, Ubuntu
Experience
  • Selected Projects (Other amazing things)

    • Web-based tool to control remote CMS’s and analyse website content.
    • Real-estate oriented CMS with agent-in-the-field one-hand input mode.
    • Cinema recruiting website with single-page user interface and REST API.
    • Web crawlers.
    • Web-based admin tool for Shopify-like platform.
    • Part of a payment processing system.
    • Online multi-store platform; a tool to automatically adjust prices by its own custom-made language.
    • CRM (file-management and financial modules) and integration with a third-party system.
    • Linux server administration.

  • Boris is a mentor in the Toptal Global Mentor’s Program. This program is a partnership between Toptal and General Assembly to provide high quality mentorship for students from minority and low income backgrounds who are looking to begin their careers as professional software engineers. Boris shows commitment to diversity in tech by mentoring a General Assembly student every week for a year, covering everything from coding tips and tricks to advice on making it in the industry.
Skills
  • Languages
    JavaScript, Regex, Python, Snowflake, HTML5, Bash, XPath, C, C++, Java, CSS3, Objective-C
  • Frameworks
    Django, Flask, Angular
  • Libraries/APIs
    Underscore.js, jQuery, Backbone.js, PhantomJS, REST API, Facebook API, Twitter API, Google Maps, Social APIs
  • Tools
    Vagrant, Docker Compose, AWS ECR, AWS SDK, AWS ECS, PyCharm, Git, Celery, GitHub, RabbitMQ, Autodesk Fusion 360, Mercurial, Jenkins, Apache, Nginx, Sentry
  • Paradigms
    Continuous Integration (CI), Functional Programming, Extreme programming, Scrum, Class-based OOP, Object-oriented Programming (OOP), Test-driven Development (TDD), Database Design, Unit Testing, Continuous Deployment, Agile Software Development, Concurrent Programming
  • Platforms
    Mac OS, Ubuntu, AWS EC2, Amazon Web Services (AWS), Linux, Docker, Azure, Arduino
  • Storage
    MySQL, MongoDB, AWS S3, Memcached, Redis, PostgreSQL, AWS RDS, SQLite, Data Pipelines, Oracle PL/SQL, Sphinx Search Engine
  • Other
    Software Architecture, System Integration, Team Leadership, Data Architecture, Architecture, Mobile Web, Internet of Things (IoT), Graphite
Education
  • Bachelor's degree in Computer Science
    2001 - 2006
    Volgograd State Technical University - Volgograd, Russia
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