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Location

Poland

Rate

$44  / per hour

Years of experience

10

About

An ambitious Senior Frontend Developer with 10 years of experience in commercial domain, experience in building websites and applications using an array of technologies like JavaScript, React & Redux and modern libraries & frameworks. Good knowledge of the UI design process and deliverables throughout the development lifecycle. Eager to learn new things and languages. Highly motivated and dedicated to delivering high-quality work.

Tech Stack

React, JavaScript, Node, Redux

Experience

  • Proficiency in using JavaScript to develop scalable and efficient software applications.
  • Worked seamlessly within scrum environments, contributing to team objectives and project goals.
  • Converted Javascript-based project to TypeScript.
  • Optimized performance of the site with Next.js & Static Side Generation.

Employment history

Senior React Developer, Senken September 2022 - Present

Developing the application senken.io for buy/sell/retire carbon credits token (using newest technologies like Next.js, React, Redux, web3 libraries, ethers.js). On the backend side used cryptocurrency and blockchain for saving and maintaining transactions. Setup architecture & choose libraries/tools on the frontend side, converting Javascript-based project to TypeScript, refactoring application from Mobx to Redux, optimizing performance (SSR, dynamic imports, code splitting etc.), code reviews for other team members
Senior React Developer, Jit Team February 2021 - July 2022

Created an application for Nordea Bank for managing financial data (add/edit/remove data, generating reports based on that data etc.), built a casino site for Genesis Global Limited that allows users to play in different online games. Optimizing performance of the site with Next.js & Static Side Generation.
Senior Frontend Developer, EMPIK S.A. August 2018 - January 2021

Created new features, maintenance, bug fixing on empik.com, maintaining the application used in stores by store employees, substantive support & doing code reviews for other team members
Frontend Developer, HRS Global Hotel Solutions March 2014 - July 2018

Created new features on hrs.com, maintenance site & bug fixing, rewriting application to React.

Education history

Master in Computer Science, Warsaw School of Information Technology 2011 specialization: software and hardware engineering
IT Engineer, Warsaw School of Computer Science 2006 specialization: software engineering.
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Tom Potanski

Tom Potanski Founding Partner
DevsData LLC

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