Krystian Koper, Developer in Łódź, Poland
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Krystian Koper

Verified Expert  in Engineering

Bio

Krystian is a highly accomplished and skilled professional with over a decade of experience as an engineer and more than five years of experience as a manager. During his tenure, he has led and expanded an engineering department from a modest team of 12 to a powerhouse of nearly 100 professionals. Krystian is an excellent addition to any team.

Portfolio

Toptal
JavaScript, Ruby on Rails 6, React, Next.js, Tailwind UI, Tailwind CSS
Netguru
JavaScript, React, Angular, Angular 6, Ember.js, Vue, TypeScript, Next.js...
IGT
JavaScript, Angular, Node.js, Docker

Experience

  • Software Development - 12 years
  • JavaScript - 11 years
  • Angular - 10 years
  • React - 8 years
  • Node.js - 6 years
  • React Native - 6 years
  • TypeScript - 5 years
  • Next.js - 5 years

Availability

Part-time

Preferred Environment

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

The most amazing...

...thing I've done is head an entire department, which grew from a dozen to almost 100 engineers during my tenure.

Work Experience

Engineering Manager

2022 - 2024
Toptal
  • Spearheaded the front- and back-end development of internal growth-oriented projects.
  • Assisted with effort estimation, roadmap creation, and technical evaluation.
  • Managed an engineering team of 10 employees, including QAs, and mentored less experienced managers.
Technologies: JavaScript, Ruby on Rails 6, React, Next.js, Tailwind UI, Tailwind CSS

Staff Engineering Manager

2018 - 2022
Netguru
  • Managed the engineering team of 100 front-end engineers.
  • Facilitated the hiring, onboarding, and expansion of the team.
  • Established the front-end technology strategy, promoted engineering excellence, upheld standards and best practices, and enhanced the external reputation as technology specialists.
  • Built and implemented talent development strategies, identifying and addressing key skill gaps effectively, creating and exemplifying a solid engineering culture.
  • Ensured healthy department growth from a dozen to 100 engineers, setting a strategic direction for internal projects.
Technologies: JavaScript, React, Angular, Angular 6, Ember.js, Vue, TypeScript, Next.js, Gatsby, Jamstack, Tailwind CSS, Figma

Senior Front-end Engineer

2017 - 2017
IGT
  • Created a front-end application for the company's retail branch.
  • Developed a Node.js script to optimize application versioning for different end users.
  • Assisted app development by providing effort estimations and crafting a high-level roadmap.
Technologies: JavaScript, Angular, Node.js, Docker

Technical Lead and Software Engineer

2014 - 2016
Liki Mobile Solutions
  • Engineered software for a novel car model's cockpit and contributed to the vehicle's assembly in the USA.
  • Developed dozens of web applications using various technologies.
  • Recruited new talent and mentored team members, fostering their personal and professional growth.
Technologies: JavaScript, Angular, React, Ionic, Android, Ext JS, React Native, WordPress, jQuery

Web Developer

2013 - 2014
Over Cloud
  • Created custom customer relationship management (CRM) desktop and mobile applications from the ground up.
  • Organized and conducted internal workshops for mobile development.
  • Collaborated with external vendors and coordinated between various departments.
Technologies: JavaScript, Ext JS, PHP 5

Software Developer

2012 - 2013
Orange
  • Contributed to creating an Android application designed for the visually impaired.
  • Engaged in developing an Android application tailored for individuals with hearing impairments.
  • Played a role in developing an application enabling disabled individuals to interact with computers.
Technologies: Android, Java

Experience

Retailer Wizard

An interactive, lottery-branded retailer website that provides all the tools and location-specific data retailers need to manage and grow their lottery business. It drives specific actions necessary to increase sales and simplifies the management of the lottery category.

Alerts notify retailers of potential revenue-draining situations, allowing them to take immediate corrective action. It also strengthens two-way communication between a lottery and retailers.

Education

2013 - 2014

Master's Degree in Electronic and Telecommunication Engineering

Lodz University of Technology - Lodz, Poland

2009 - 2013

Engineer's Degree in Electronic and Telecommunication Engineering

Lodz University of Technology - Lodz, Poland

Skills

Libraries/APIs

React, Node.js, Vue, jQuery

Tools

Slack, Zoom, Figma

Languages

JavaScript, TypeScript, PHP 5, Java

Frameworks

Next.js, Angular, React Native, Ruby on Rails 6, Tailwind CSS, Angular 6, Ember.js, Ionic, Ext JS

Paradigms

Jamstack

Platforms

MacOS, Visual Studio Code (VS Code), Docker, Android, WordPress

Other

Software Development, Google, Electronics Engineering, Tailwind UI, Gatsby

Collaboration That Works

How to Work with Toptal

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