Nikolay Khodov, Software Developer in Prague, Czech Republic
Nikolay Khodov

Software Developer in Prague, Czech Republic

Member since January 25, 2019
Nikolay is a full-stack developer who’s looking to expand his career as a software engineer by drawing upon his wealth of experience—several years worth of adding value to reputable companies. He specializes in server-side development and also has superb design and coding skills. Due to Nikolay’s skills, precision, and dedication to all undertaken tasks, he’s become quite good at converting client requirements into exciting online apps.
Nikolay is now available for hire

Portfolio

Experience

Location

Prague, Czech Republic

Availability

Full-time

Preferred Environment

macOS, Linux, Git

The most amazing...

...thing I’ve developed was a fast server-side rendering engine that enables end customers to preview their carports.

Employment

  • Full-stack Software Engineer

    2019 - PRESENT
    Client (via Toptal)
    • Built an application for managing short-term rentals for local governments from scratch.
    • Designed the database and API (Hasura, GraphQL, PostgreSQL, Nest.js, and Heroku).
    • Implemented a large front-end application in Angular 8 and 9 according to wireframes as well as a back end in Nest.js/Node.js.
    • Created scrapers for various short-term rental platforms to extract ~100% of all listings in a given area.
    • Integrated Google Maps and Bing Maps for reverse geocoding and injecting map widgets.
    • Set up the AWS environment (AWS S3, AWS CloudFront, and AWS EC2).
    Technologies: TypeScript, Angular, GraphQL, Node.js, Hasura, Material-UI, Google Maps API, Bing Maps API, TypeORM, Nest.js, AWS
  • Full-stack Developer

    2019 - 2019
    DataPrivia (via Toptal)
    • Built an electronic health records (EHR) web application (React/Django) implementing HIPAA requirements.
    • Migrated a video-on-demand education platform from Aurelia/JS to React/TypeScript (front end).
    • Developed a single sign-on plugin for supporting multiple SAML IdPs (Django back end).
    Technologies: Python, Django, React, TypeScript
  • Senior Software Engineer

    2018 - 2019
    Cimpress Technologies (Logistics)
    • Finished a full-stack solution to let customer choose pickup points of several providers on the single screen.
    • Created an address validation tool to reduce carrier service penalties due to delivering packages to wrong addresses.
    • Built high-performant back-end microservices in Node.js.
    • Implemented cloud engineering on AWS to provide a high-availability infrastructure with strict SLAs.
    • Heavily used React/Redux to produce customer tools with a clean-and-smooth UI.
    Technologies: Node.js, AWS, Terraform, Swagger, Open API, React, Redux, Lambda, Elasticsearch
  • CTO

    2010 - 2018
    VkButton
    • Led both back-end and front-end development as the sole developer as well as a tech lead for a small team of contractors.
    • Designed solutions for client-facing product, billing, and internal reporting.
    • Set up the fault-tolerant infrastructure to serve high-load traffic with zero-downtime continuous deployments.
    • Created various automated testing procedures to prevent pushing broken code to the production environment (back end and front end).
    • Proposed and implemented multiple front-end optimization to keep the front-end client as light as possible.
    Technologies: Django, Python 2 & 3, TypeScript/JavaScript, React, PostgreSQL, AWS, Terraform, Node.js, CircleCI, CSS, Redis, Knex.js, Kubernetes, Docker, Chrome extension
  • Mobile Application Developer

    2014 - 2017
    Barclays Capital
    • Worked on the mobile application to key players in financial markets (on-the-go analysts, institutional clients, and more).
    • Developed complex cross-platform (desktop/mobile) HTML screens in AngularJS.
    • Optimized to provide a native experience of high-content HTML screens on the mobile platforms.
    • Set up a scalable scraping framework with scraping to verify upstream data feeds' integrity based on business rules and requirements.
    • Implemented data visualizations using d3.js and custom in-house frameworks.
    Technologies: Angular, JavaScript, TypeScript, Java, LESS
  • Software Engineer

    2012 - 2014
    Salsita
    • Developed cross-browser extensions and complex web apps.
    • Built custom server-side solutions in Node.js and Python.
    • Used various databases like MongoDB and MySQL to securely store and quickly access data.
    • Strongly followed test-driven development to ship sustainable business value to customers.
    • Focused on an agile-based process with continuous integration (Jenkins, CircleCI) for a predictable delivery.
    Technologies: JavaScript, Angular, Mocha, Node.js, MongoDB, MySQL

Experience

  • Barclays Live Mobile App (Development)
    https://play.google.com/store/apps/details?id=com.barclays.live

    Barclays Live is a mobile app that serves publications and data-rich screens (e.g., tabular) for institutional clients. Mostly I worked on the HTML screens and the Android app and established regular data checks of the more than ten data feeds on more than 100 screens.

  • Pickup Points (Development)

    This app shows pickup points from various shipping carriers on a single map.

    I built the back-end solution to store and serve geospatial requests. For the front end, we built a responsive React app that smoothly worked with a mobile and desktop layout and across different browsers.

    Technologies: Node.js, Math, React/Redux, Elasticsearch, BrowserStack

  • Best Exchange Rate in Prague (Development)
    http://bestexchangerateprague.com

    It is a mobile application to help tourists visiting Prague, the Czech Republic find an exchange with the best rates within their vicinity. The back end regularly fetches new data from more than ten websites of local exchanges.

    Decommissioned in February 2020. Its source code is available at https://bitbucket.org/hodik/bestexchangerateprague.com/src

    Technologies: React, Node.js, TypeScript, Puppeteer, CircleCI, Google Firebase, Ionic Framework, AWS S3, AWS CloudFront, AWS Lambda, Terraform,

    Keywords: Headless Browsers, Scraping, iOS, Android

Skills

  • Languages

    HTML, CSS, ECMAScript (ES6), HTML5, SCSS, CSS3, Python, JavaScript, TypeScript, SQL, Python 2, Python 3, GraphQL, SAML
  • Frameworks

    Jest, Bootstrap 3+, Nest, Django REST Framework, Angular, Material-UI, Angular Material, Django, Redux, Ionic, Express.js, Scaled Agile Framework (SAFe)
  • Libraries/APIs

    Google APIs, Google API, Node.js, React, React Redux, Puppeteer, Facebook API, Google Maps
  • Tools

    CircleCI, Docker Compose, React Apollo
  • Paradigms

    REST, Test-driven Development (TDD), Test Automation, Agile, Scrum, Behavior-driven Development (BDD), Functional Programming
  • Platforms

    Heroku, AWS Lambda, AWS EC2, Docker, Mobile, Amazon Web Services (AWS), Firebase
  • Storage

    Memcached, AWS S3, PostgreSQL, MySQL, Redis, Elasticsearch
  • Other

    RESTful APIs, APIs, Full-stack, WebSockets, Single-page Applications (SPA), SAML-auth, Algorithms, Scraping, Front-end, TypeORM, Leadership, Mobile Web, Chrome Extensions, Apollo

Education

  • Master's degree in Aerospace Engineering
    2005 - 2011
    Moscow Institute of Physics and Technology - Moscow, Russia

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