Vlad Tereshyn, Developer in Kiev, Ukraine
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Vlad Tereshyn

Verified Expert  in Engineering

Bio

Vlad is a senior software engineer with 7+ years of experience in full-stack development. He specializes in building scalable, production-ready web applications using React, Node.js, NestJS, and Python-based services. Vlad has led teams, owned features end-to-end, and contributed to the architecture and DevOps processes. He brings a clear, structured approach to problem-solving, values clean code, and thrives in fast-paced, collaborative environments.

Portfolio

AstrumU
React, Node.js, GraphQL, React Apollo, CSSinJS, Webpack, Monorepos, NestJS...
IT School
HTML, CSS, JavaScript
LULU Software
JavaScript, HTML, CSS, Webpack, CSS Preprocessors, .NET

Experience

  • HTML - 8 years
  • JavaScript - 8 years
  • React - 7 years
  • CSS - 6 years
  • GraphQL - 3 years
  • TypeScript - 3 years
  • React Apollo - 3 years
  • NestJS - 2 years

Availability

Part-time

Preferred Environment

Slack, Zoom, Visual Studio Code (VS Code), MacOS, Jira

The most amazing...

...thing I've built is a platform for students that helps quantify the return on education investment to enhance industry engagement.

Work Experience

Senior Full-stack Developer | Team Lead

2018 - 2025
AstrumU
  • Architectured and developed front-end applications using TypeScript.
  • Created scalable and performed architecture for the client side of the web application.
  • Migrated the application from REST API to GraphQL on both sides—client and server.
  • Managed the front-end team of three developers. I was involved in daily calls, standups, and planning.
  • Participated in planning sessions and creating a technical plan of actions required for the product.
  • Refactored the initial client version from React v15 to v16, facilitating the utilization of hooks.
  • Collaborated with data science engineers to set up receiving the latest data from them.
  • Created a shared component library and stored it using the monorepo approach.
  • Established infrastructure utilizing IaC, specifically Pulumi and Terraform.
Technologies: React, Node.js, GraphQL, React Apollo, CSSinJS, Webpack, Monorepos, NestJS, Elasticsearch, HTML, Auth0, TypeScript

Mentor | Front-end Development

2017 - 2018
IT School
  • Created from scratch a training program for six months, for learners.
  • Taught the necessary technologies for developing the client interface to novice developers.
  • Conducted regular exams on the material passed for learners.
Technologies: HTML, CSS, JavaScript

Front-end Developer

2017 - 2018
LULU Software
  • Developed a web app for online viewing and editing PDF files.
  • Worked on the development of main company's product website.
  • Created A/B tests for new products that the company introduced.
  • Worked in a distributed team using Agile methodology.
Technologies: JavaScript, HTML, CSS, Webpack, CSS Preprocessors, .NET

Front-end Developer

2016 - 2017
8kolo
  • Worked on the development of the client-side web application using HTML and CSS modules and React.
  • Participated in creating and planning product requirements.
  • Presented the MVP version of the application in startup incubator based in Kyiv.
Technologies: HTML, CSS, JavaScript, React, Elasticsearch, Node.js

Experience

AstrumU

Led front- and back-end development from scratch using React, React Apollo, and NestJS with full TypeScript coverage. I designed a modular monorepo architecture with reusable packages. I implemented scalable GraphQL and REST APIs, integrated PostgreSQL, and set up CI/CD pipelines using Docker and GitHub Actions. Also, I managed cloud infrastructure using IaC (Pulumi) and Kubernetes for seamless deployments and maintainability across environments.

Soda PDF

https://online.sodapdf.com/
A web application that allows users to carry out operations with PDF format files in the browser. Worked on the functionality of the web application using the Angular library. The application is adaptive, which means that it has a separate mobile version and a separate desktop version.

My Cryptopixels

A web application built with Svelte on the front end that provides an ability to interact with a canvas designed by everyone that turns into an NFT, then users are able to share rewards every time it's sold

Education

2016 - 2018

Master's Degree in Computer Engineering

Kharkiv National University of Radioelectronics - Kharkiv, Ukraine

2012 - 2016

Bachelor's Degree in Computer Engineering

Kharkiv National University of Radioelectronics - Kharkiv, Ukraine

Certifications

AUGUST 2021 - PRESENT

AWS S3 Basics

Coursera

Skills

Libraries/APIs

React, CSSinJS, Node.js, Emotion Library

Tools

React Apollo, Auth0, Webpack, Slack, Zoom, Skype, Jira

Languages

HTML, CSS, JavaScript, TypeScript, GraphQL, HTML5

Frameworks

Redux, NestJS, Svelte, .NET

Storage

PostgreSQL, MongoDB, Elasticsearch, Redis, Amazon S3 (AWS S3)

Paradigms

REST

Platforms

Kubernetes, MacOS, Amazon Web Services (AWS), Amazon, Visual Studio Code (VS Code)

Other

CSS Preprocessors, Accessibility, Computer Engineering, System Programming, Monorepos, Architecture

Collaboration That Works

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