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Veselin Dimitrov, Software Developer in Sofia, Bulgaria
Veselin Dimitrov

Software Developer in Sofia, Bulgaria

Member since June 21, 2018
Veselin is a top-notch software engineer with the passion and experience to help businesses solve complex problems. Specializing in full-stack, highly scalable, real-time, cross-platform JavaScript and Node.js applications, he delivers world-class quality in terms of architecture, maintainability, and performance. He has worked in corporate as well as startup environments, and transparent communication is always prevalent in his work ethic.
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Portfolio

  • BCG - GAMMA X
    Amazon Web Services (AWS), Terraform, AWS, Bash Script, Styled-components, Go...
  • Revive
    CSS, MongoDB, TypeScript, Styled-components, React, Node.js
  • Combined
    Socket.IO, Docker, Styled-components, SQL, Flexbox, CSS, HTML5, React Native...

Experience

Location

Sofia, Bulgaria

Availability

Part-time

Preferred Environment

Slack, Git, VS Code, OS X, Docker

The most amazing...

...product I've worked on is an AI-powered, knowledge management system that structures a company's knowledge and makes it accessible on multiple platforms.

Employment

  • Senior Software Engineer

    2019 - 2020
    BCG - GAMMA X
    • Worked on a platform that enables data scientists and ML engineers to build, train and deploy ML models at scale.
    • Migrated a code executor written in and able to parse Python 2 code to work with Python 3.
    • Contributed to an extremely sophisticated and highly scalable cloud-agnostic infrastructure.
    • Worked on a fully-tested React app with 1000+ components.
    • Contributed to a highly-scalable and very well tested GraphQL API.
    Technologies: Amazon Web Services (AWS), Terraform, AWS, Bash Script, Styled-components, Go, Python, Docker, Kubernetes, TypeScript, GraphQL, MongoDB, React, Node.js

  • Senior Software Engineer

    2018 - 2019
    Revive
    • Worked on an automated chatbot platform that delivers newsletter experience in an innovative way.
    • Created a lot of stunning CSS animations to maximize the chatbot experience.
    • Maintained and improved a state-of-art TypeScript codebase.
    • Worked on a super solid and very well tested real-time Node.js API.
    Technologies: CSS, MongoDB, TypeScript, Styled-components, React, Node.js

  • Senior Software Engineer

    2018 - 2018
    Combined
    • Architected and developed the MVP for an AI-based knowledge management system (Panto.AI) that structures a company's knowledge and makes it accessible on multiple platforms.
    • Built the back-end with Node.js, Koa, PostgreSQL, and TypeScript.
    • Developed the front-end with React and Redux.
    • Used Socket.IO to make the updates in the system real-time.
    • Implemented Dialogflow as an NLP service to understand the utterances from the user and return the proper results.
    • Helped in developing custom machine learning (ML) models for best answer recommendations.
    Technologies: Socket.IO, Docker, Styled-components, SQL, Flexbox, CSS, HTML5, React Native, JavaScript, Jest, Webpack, ECMAScript (ES6), Redux, React, PostgreSQL, TypeScript, Google Cloud Platform (GCP), Koa, Node.js

  • Lead Software Engineer

    2017 - 2018
    GoSeemba
    • Pivoted a product and focused only on building a mobile app for creating businesses online presence (website, Facebook page, Google My Business) through a mobile application.
    • Built the main mobile application with React Native, allowing users to use to use it both on iOS and Android.
    • Created the user's online presence which resulted in a highly performant, optimized for emerging countries, offline-compatible progressive React-based web app (PWA).
    • Built the REST API with Node.js, PostgreSQL, and CouchDB.
    • Developed a subscription-based payment system with Braintree.
    • Built a cross-platform SDK for a shared common functionality and components between React and React Native.
    • Led a team of five people, helping them find the best solutions, achieve their best potential, and kept them motivated.
    Technologies: Styled-components, SQL, Flexbox, CSS, HTML5, Ionic, MongoDB, JavaScript, Jest, Webpack, ES7, ECMAScript (ES6), Redux, React Native, React, TypeScript, CouchDB, PostgreSQL, Koa, Node.js

  • Lead Software Engineer

    2015 - 2017
    Snapp Builder
    • Built a hybrid mobile application which enables the users to add content and build their own mobile application without any technical knowledge required.
    • Developed the front-end with Ionic and Angular.
    • Built the back-end with Node.js, Koa, PostgreSQL, and MongoDB.
    • Helped in developing an automated queue for building native mobile applications with Ionic CLI, Redis, Google PubSub, and a bunch of Shell scripts.
    • Used a lot of different technologies like Google Maps, Facebook SDK and Twitter SDK to connect all of the user data with as many third-party providers as possible.
    • Created a custom subscription-based payment system with Braintree.
    • Managed all the product releases.
    • Led a team of five, helping them achieve their best while remaining motivated and confident.
    Technologies: SQL, Flexbox, Redux, CSS, HTML5, React, JavaScript, Shell, Make, Angular, Ionic, MongoDB, PostgreSQL, Koa, Node.js

  • Full-stack JavaScript Developer

    2014 - 2015
    AXSMarine
    • Developed a product for helping companies in the shipping industry sign their contracts with ease and in real time.
    • Built the front-end in Ext JS with a focus on component reusability.
    • Constructed the back-end with Node.js and MongoDB.
    • Integrated and customized a TinyMCE WSIWYG editor.
    • Implemented Socket.IO to make the contract editor available in real time from both parties.
    Technologies: SQL, Flexbox, CSS, HTML5, Socket.IO, TinyMCE, Ext JS, JavaScript, MongoDB, Express.js, Node.js

Experience

  • Privacy-first Contact-tracing Platform
    https://plinks.io

    Due to COVID-19, there is a huge demand for contact tracing solutions that will help governments and local communities to track and stop the spread of the virus. That's why I decided to volunteer through the TopVolunteer program.

    The solution I worked on is a privacy-first contact tracing platform that does the magic only through scanning QR codes. It's a super simple, yet extremely powerful solution that already works on the ground and hopefully saves lives.

  • Personal Chatbot
    https://github.com/vidimitrov/svstoyanov.com

    I architected and developed an offline compatible progressive web app with a personalized and customized chatbot.

  • Subscription-based Payment Infrastructure

    I built a sophisticated, extremely stable, and battle-tested subscription-based payments infrastructure that supported pay-as-you-go subscriptions and a marketplace functionality on top of the Braintree SDK.

  • AI-powered Q&A Engine

    For this project, I developed an AI-powered Q&A engine that learns from answered questions and automatically responds to new questions if the confidence score is above a specific threshold. This project was built on top of Dialogflow, Node.js, and PostgreSQL.

Skills

  • Languages

    JavaScript, TypeScript, ECMAScript (ES6), HTML5, CSS, GraphQL, ES7, SQL, Sass, Python, Go, Bash Script, C#, XML, Bash

  • Frameworks

    Koa, Redux, Express.js, React Native, Ionic, Jest, AngularJS, Angular, ASP.NET MVC, Windows Presentation Foundation (WPF), Ext JS, Bootstrap

  • Libraries/APIs

    Node.js, React, Flexbox, HTML5 APIs, Chai, Sinon.JS, Passport.js, Moment.js, Socket.IO, React Router, Lodash, Facebook SDK, Google Maps SDK, Puppeteer, Fabric

  • Tools

    Redux Thunk, Webpack, Git, Braintree SDK, Dialogflow, VS Code, Mocha, Jira, Babel, Gulp.js, Grunt, JSX, Trello, NPM, Slack, Terraform, Mongoose, Vagrant, Google Analytics, Nginx, VirtualBox, Make, Shell

  • Other

    Single-page Applications (SPA), ParcelJS, Progressive Web Applications (PWA), Styled-components, AWS, Cordova, CSS-in-JS, Google Cloud Functions, Google Pub/Sub, TinyMCE

  • Paradigms

    Agile, Functional Programming, Object-oriented Programming (OOP), Scrum, Kanban, REST, Asynchronous Programming, Model View Controller (MVC), Unit Testing, Behavior-driven Development (BDD), Test-driven Development (TDD), Real-time Systems

  • Platforms

    Linux, Google Cloud Platform (GCP), OS X, Kubernetes, Amazon Web Services (AWS), Android, Firebase, Docker, Raspberry Pi

  • Storage

    PostgreSQL, CouchDB, MongoDB, NoSQL, PouchDB, Elasticsearch, JSON, Redis, MySQL

Education

  • Technical Degree in Software Engineering
    2013 - 2014
    Telerik Academy - Sofia, Bulgaria

Certifications

  • C# Developer Certificate
    OCTOBER 2014 - PRESENT
    Telerik Academy
  • JavaScript Developer Certificate
    OCTOBER 2014 - PRESENT
    Telerik Academy
  • Web Developer Certificate
    OCTOBER 2014 - PRESENT
    Telerik Academy

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