Dima Litvinov

Experience

Now

• 15^th May 2021 – present

  Senior JavaScript Software Engineer at Ciklum

  • build, test, and deploy an application written with Angular 13 + RxJS + NgMocks → .Net7 → Microsoft Azure
    Angular 13 @microsoft/signalr @ngx-translate/core ngx-captcha rxjs @angular/language-service cypress ng-mocks
  • keep dependencies up-to-date, code clean, linted, and prettified (also dried, and kissed)
    eslint-plugin-import eslint-plugin-prettier prettier eslint-config-airbnb-typescript eslint-plugin-jsx-a11y
  • set up onboarding process, code review on the project (15 FE developers)
  • became a mentor for newbies
  • create custom library, set up design system (make the app themable using Material UI)
  • integrate with third parties (e.g. Twilio for sms-service, Iyziko for payment service, etc.)
  • optimize the code for performance and efficiency (throttle and debounce to solve caching, overfetching/underfetching, exceeding rate limits, unnecessary rerendering, and browser freezing issues, etc.)
  • try and maintain a proper attitude, being soft yet reasonable and persuasive, set realistic deadlines and goals and help the team to meet those, lead by example
  • work on 5 various applications at the same time
  • created Shopify shop
    Shopify CLI Liquid Tailwind CSS

• 1^th November 2022 – present

  I decided to resume my work as a mentor at The Rolling Scopes School

  • took part in 12 interviews 🎉
  • became a mentor for 4 students
    • I organized and conducted weekly meetings with my students on topics: HTML, CSS, JavaScript (TypeScript), Agile etc.
    • Code review
    • Help and answer to the students question in Discord's channels

• 15 ^st February 2021 – present

  Student at The Rolling Scopes School

  • Completed projects at RS NodeJS Course

    • Complete several simple tasks to learn Node.js basics Nodejs Basics

      • built, tested, and deployed applications written with NodeJS
      • used features: file system, CLI, modules, hash, streams, z-lib, worker threads, child process

    • Implement custom File Manager using Node.js APIs File Manager

      • built, tested, and deployed applications written with NodeJS
      • file manager has the same features as every file manager in every OS

    • Implement simple CRUD API using in-memory database underneath CRUD API

      • created simple CRUD APIs (written with NodeJS + ExpressJS)

    • Implement custom Job Board using GraphQL Job Board

      • built, tested, and deployed applications written with React + GraphQL + NodeJS + ExpressJS
      • implemented custom Job Board and real-time chat with GraphQL + WebSockets
  • Completed projects at RS React Course

    • A 2048 game build with React + Typescript. Hooks, Audio API: The Game 2048

      • built, tested, and deployed applications written with React + TypeScript (Styled Components + Hooks), Jest, React Transition Group + Howler + Matrix Rotate
      • implemented features: game statistics, 3 different game options, autoplay

    • App for travelers Travel App

      • built, tested, and deployed applications written with React + TypeScript (Styled Components + Hooks), Redux, Material UI + LeafletJS
      • implemented features: search by country, photo and video gallery, weather, time and exchange rate widget, map (the application has its own API)

    • App for learning foreign words RS Lang API

      • created API to get data about the words, users, statistics (written with ExpressJS + JWT + MongoDB)
      • created mini-games "Savannah", "Audio call", "Sprint", "Own game"
      • Technologies stack:

        React + TypeScript

        Styled Components + Hooks

        Redux

        Connected React Router + History

        Ant Design

        React Transition Group

        ESLint (code linted with eslint-config-airbnb)

  • Completed projects at RS JS Course
    • Covid-19 situation monitoring application Covid-Dashboard (written with JS, SASS, Chart.js, Yandex-Maps)
    • Clone of the International Medical Platform Rs-clone 103.ua (used React + TS, React Hooks -> express.js -> firebase)
    • Only pure JS, CSS/SASS, ESLint (worked with keyboard and mouse events) Virtual-keyboard
    • Gem puzzle game on pure JS RSS Gem Puzzle
    • App for learning CSS selectors Rs-css
    • Design the site to a pixel layout (where a rather complex algorithm for sorting elements was used) Shelter

Back then

• 15^th January 2020 – 30 ^st September 2020

  The Self-Taught Developer at Learning How to Code

  1. Self-education

     • Studied HTML CSS JavaScript
       HTMLAcademy CSS Tricks CSS.In.Ua CSS Tutorial EdEra MDN freeCodeCamp LearnJS CodeWars Udemy
     • Studied Angular
       Angular University AngularBootCamp AngularInDepth Typescript NgMocks RxJS FreeCodeCamp MDN Udemy
     • Watched hundreds of videos
       Ng-Conf NG Poland Conf Dan Geabunea Angular Connect FreeCodeCamp TraversyMedia WebDev SOER DecodedFrontend NivekDev CodeDojo FlorinPop Pavel Mavrin Public Code

  2. Courses

     • Learn to code at freeCodeCamp
     • 06 2019 - Ed-Era: Web Development
     • 02 2020 - Udemy: Full course JavaScript + React

     • 08 2020 - Andersen: FrontEnd ^{(here's my certificate )}

     • 02 2021 - RS School: JS/FrontEnd ^{(here's my certificate )}

     • 04 2021 - Ciklum: JavaScript Internship

     • 05 2021 - RS School: React/FrontEnd ^{(here's my certificate )}

     • 01 2022 - Udemy: Angular - The complete guide ^{(here's my certificate )}
     • 12 2022 - Angular University - Angular Testing Masterclass ^{(here's my certificate )}
     • 02 2023 - Udemy: GraphQL ^{(here's my certificate )}

  3. Code Examples

     • Base Angular App written with Angular 13 + NgRx + Firebase Base App
       • display recipe list, shopping list
       • implemented authentication with Firebase
       • implemented CRUD operations
       • used NgRx and Standalone components
       • Technologies stack:

         Angular + RxJS

         NgRx

         Standalone components

         Firebase

     • Base VueJS App written with VueJS 3 + Vuex Vue App
       • display post list + CRUD operations
       • used Vuex, custom directive's, mixin's and routing
       • Technologies stack:

         Vue 3

         Vuex 4

         axios

     • Pure JavaScript (ES6, ES next, async/await, SASS) with Babel transpiler Meeting planning calendar
       • display meetings planned
       • implemented filter meetings for a particular team member
       • implemented CRUD operations with Events or Participants
       • implemented Drag n' drop events
       • written with Singleton, Decorator and EventEmitter
       • Technologies stack:

         HTML + SCSS

         Pure JS

         Jest (unit-tests)

         ESLint (code linted with eslint-config-airbnb)

     • Buy books easily from anywhere in the world. Online Book Store
       • Book store have four screens: "Login", "Catalog", "Book details", and "Cart"
       • "Login": on this screen user can log in with username, than system redirects user to the Book catalog.
       • "Catalog": on this screen user can see the list of books, search book by name and filter them by the price.
       • "Book details": on this screen user can choose the needed count of books, sees the total price, and adds the book to the "Cart"
       • "Cart": on this screen user can see order list and press 'Purchase' button to buying ordered books. System place order.
       • Using technologies:

         React + Typescript

         Redux

         Jest (unit-tests)

         ESLint (code linted with eslint-config-airbnb)

     • API for Travel-app
       • created API to get data about the country (written with MongoDB)
       • created authorization functionality
       • add functionality for loading and saving user photos

       • deploy server on Heroku

       • Endpoints:

         /countries

         /countries/{id}

         /auth/users

       • Tech stack:
         nodejs + typescript expressjs mongodb

• 4^th May 2018 – 6^th February 2019

  Head manager of a large restaurant chain at 'Mama Manana' Kharkiv

  • built, tested and discovered Georgian cuisine in Kharkiv
    sometimes i miss that time...
  • Also did some other things from time to time 🎉
    • occasionally I traveled
    • once upon a time I was being a student🤷🏼‍♂️
    • I was good at kitchen talks about pretty much anything
    • I played video games with my friends

Way back then

• Some time in 2015

  Quit going to the gym 🥗

  • still love to eat junk food sometimes and have a drink occasionally

• 1^th April 2014 – forever

  Became in a mature relationship ^{It's tough being single.} Oksana Momot 👩🏻

  • doing what I'm told

• January 2014 – October 2015

  • I did my own website (selling air sofa) at AirDivan Ukraine
    • built website using HTML, CSS, PHP
    • worked with a factory that produced air sofa in China
    • started going to the gym 🏋🏽

• August 2012 – July 2014

  Small cafe owner

• February 2012 – June 2012

  Was hired by HTML coder Website development studio: "KAKAO ART" Ukraine
  

• 28^th August 2009 – 31^st May 2018

  • Head Manager at Restaurant "Blinoff" "NHL" Kharkiv
    • management and accounting analysis
    • development and implementation of promotional activities, promotions
    • control of cash discipline
    • organization and management of personnel (more than 50 people)

• September 2007 – May 2009

  • Personnel Training Instructor at MC Donalds
    • training new employees
    • certification of employees
    • fried burgers 🍔

• September 2005 – December 2006

  • System Administrator at VexaDev
    • managed a network of dozen Windows workstations (DHCP, DNS)
    • kept PCs health (install OS, backup/restore, antivirus, software updates, hardware upgrades etc.)

• 26^th August 2003

  Relocated to Kharkiv

• 16^th May 2003

  Got my internal passport (with a traditionally awkward photo, of course)

• couldn't do much really for the first few years...

• 16^th July 1986

  Born in Barvinkove, Ukraine ^{— Thanks, mom and dad!}