toptal.com
Contact us: +1.888.867.7001
Nikolay Khodov, Software Developer in Prague, Czech Republic
Nikolay Khodov

Software Developer in Prague, Czech Republic

Member since July 18, 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
Hire Nikolay

Portfolio

Experience

Location

Prague, Czech Republic

Availability

Part-time

Preferred Environment

Git, Linux, MacOS

The most amazing...

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

Employment

  • Senior Software Engineer

    2020 - 2021
    Fieldguide
    • Boosted audit experience for advisory and assurance companies.
    • Built and maintained an advanced report generation tool handling custom Word templates.
    • Automation and collaboration using Node.js, TypeScript, React, and GraphQL.
    Technologies: Node.js, TypeScript, React, GraphQL, Hasura

  • Full-stack Software Engineer

    2019 - 2020
    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: Amazon Web Services (AWS), NestJS, Google Maps API, MUI (Material UI), Hasura, Node.js, GraphQL, Angular, TypeScript

  • 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: TypeScript, React, Django, Python

  • 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: Amazon Web Services (AWS), Elasticsearch, AWS Lambda, Redux, React, OpenAPI, Swagger, Terraform, Node.js

  • 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: Less, Java, TypeScript, JavaScript, Angular

  • 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: MySQL, MongoDB, Node.js, Mocha, Angular, JavaScript

Experience

  • Barclays Live Mobile App
    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

    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

    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, PHP, Python, JavaScript, TypeScript, SQL, Python 2, Python 3, GraphQL, SAML, Java, Less

  • Frameworks

    Jest, Bootstrap 3+, NestJS, Django REST Framework, Angular, MUI (Material UI), Angular Material, Django, Redux, Ionic, Express.js, Scaled Agile Framework (SAFe), Swagger

  • Libraries/APIs

    Google APIs, REST APIs, Google API, Node.js, React, React Redux, Puppeteer, Facebook API, Google Maps, OpenAPI, Google Maps API

  • Tools

    CircleCI, Docker Compose, React Apollo, Git, Mocha, Terraform

  • Paradigms

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

  • Platforms

    Heroku, AWS Lambda, Amazon EC2, Docker, Mobile, Amazon Web Services (AWS), Firebase, MacOS, Linux

  • Storage

    Memcached, Amazon S3 (AWS S3), PostgreSQL, MySQL, Redis, Elasticsearch, MongoDB, Hasura

  • Other

    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

To view more profiles

Join Toptal
Share it with others
Hire the top 3% of freelance developers TM