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Artem – Typescript, React, React Native, experts in Lemon.io

Artem

From Poland (GMT+2)

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Mobile DeveloperSenior
Front-end Web DeveloperSenior
Hire developer
5 years of commercial experience
Fintech
Healthcare
Human resources
Product management
Recruiting
Retail
Sports
Supply chain
Chatbots
Collaboration tools
Communication tools
HRMS
Mobile apps
Lemon.io stats
1
projects done
464
hours worked
Open
to new offers

Artem – Typescript, React, React Native

Artem is a Senior Front-End Web and Mobile Engineer with solid knowledge and a deep understanding of the React ecosystem and React Native development. He is diligent, adaptive, communicative, and easy to work with, as he was observed during the interviewing stages. Artem is passionate about self-development, solving challenging problems, and turning ideas into reality. He already has experience working on startups and knows how to write clean code. His background includes domains like fintech, sports, retail and HRMS, among others.

Main technologies
Typescript
3 years
React
4 years
React Native
1.5 years
Next.js
2 years
HTML
4.5 years
CSS
4.5 years
Additional skills
JavaScript
SQL
MySQL
AWS
Styled-components
SCSS
GraphQL
Node.js
Tailwind CSS
Microservices
PostgreSQL
REST API
WebSocket
Vercel
Figma
Flexbox
Google Analytics
Amazon S3
Ready to start
ASAP
Direct hire
Potentially possible

Experience Highlights

Senior React Native Developer
Apr 2023 - Ongoing1 year 1 month
Project Overview

A financial services company that provides an online expense management service for businesses. It's a huge open-source project with a market cap of more than 350mln USD.

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Responsibilities:
  • Was engaged in architecture, documentation preparation, and development of new features;
  • Improved performance of the sidebar in 3 times and with caching in 15 times;
  • Fixed tons of difficult issues as an Open-source contributor;
  • Initiated and finished the transition from moment.js to date-fns within the whole application;
  • Closely worked with new features.
Project Tech stack:
React Native
Typescript
Senior Front-end Developer
Aug 2023 - Dec 20233 months
Project Overview

This technology makes insurance risk transfer faster and more efficient. It connects investors and cedents to transfer and trade insurance risk. Through the platform, cedents can reduce their cost of capital, and investors get access to a broader universe of uncorrelated investment opportunities.

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Responsibilities:
  • Connected application with firebase (firestore, storage, auth, etc.);
  • Implemented dynamic huge forms for both investors and cedents;
  • Started migration to TypeScript;
  • Implemented advanced text edit inputs;
  • Improved and refactored almost the full application;
  • Debugged and resolved a huge amount of issues.
Project Tech stack:
React
Next.js
Typescript
Firebase
Vercel
Redux
Senior Mobile Developer
Oct 2022 - Feb 20234 months
Project Overview

Basketball application that was built for the USA basketball NBA league to cover all basic needs for players, such as finding personal drivers, order cleaning, booking a room or hotel, and much more.

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Responsibilities:
  • Created front-end architecture;
  • Worked directly with client;
  • Successfully delivered project on time;
  • Resolved bunch of issues;
  • Integrated with NBA API;
  • Added authentication;
  • Implemented difficult nested navigation and deep-linking.
Project Tech stack:
React Native
Redux
GraphQL
Typescript
React Native
Typescript
Expo
Senior Front-end Developer
Nov 2021 - Jan 20231 year 2 months
Project Overview

An e-commerce platform that has grown a lot in the last couple of years. The company works with the biggest supply shops like Auchan and Carrefour. This system allows supermarkets and restaurants to handle the day-to-day store info, products, offers, orders, and anything related to products available for the end consumers on the app.

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Responsibilities:
  • Led the development of the project and delivered everything on time;
  • Mentored junior developers;
  • Optimized dynamic SEO in React application using SSR with Firebase and Node.js;
  • Implemented reporting system on the client's dashboard;
  • Made a huge refactor moving from JavaScript to TypeScript;
  • Significantly improved app performance by cleaning Redux storage; optimized forms
  • Integrated with external APIs;
  • Worked a lot with GraphQl for headless CMS.
Project Tech stack:
React
Redux
Typescript
Next.js
Front-end Developer
Mar 2022 - Jun 20222 months
Project Overview

An innovative tool that allows users to seamlessly create, manage, and analyze surveys within your Slack workspace. With this system, users can easily gather feedback and insights from their employees and generate reports.

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Responsibilities:
  • Created front-end architecture;
  • Connected an application with an API;
  • Built Reporting system;
  • Added an automated system for sending surveys to Slack.
Project Tech stack:
React
Typescript
Redux
Front-end Developer
Sep 2021 - Feb 20225 months
Project Overview

The freelance platform is a user-friendly system with a unique design and animations that simulate a Solar System-like layout and connects businesses with skilled freelancers worldwide. The system includes communication, collaboration tools, and payment processing.

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Responsibilities:
  • Created unique animations;
  • Built a Solar System-like design;
  • Implemented payment system;
  • Configured navigation for the whole application;
  • Added multiple pages using React;
  • Integrated an application with API;
  • Implemented communications system using sockets;
  • Fixed a bunch of bugs and issues.
Project Tech stack:
React
Typescript
Redux
Tailwind CSS
Styled-components
React Native
Front-end Developer
May 2021 - Oct 20215 months
Project Overview

A management system that received 1.3mln $ of investments that helps businesses manage resumes, send them to customers, generate PDFs, generate email signatures, track employee vacations and sick leaves, and much more.

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Responsibilities:
  • Created PDF generation system with React;
  • Built email signatures generation system;
  • Implemented a huge form for an online resume preview;
  • Wrote unit tests;
  • Debugged and resolved bugs and issues.
Project Tech stack:
React
Typescript
Redux
Microservices
Full-stack Developer
Feb 2019 - Apr 20201 year 2 months
Project Overview

A web application that may help to replace the traditional methods of appointment with a doctor. This application will help people unable to come to the hospital to receive full-fledged feedback from the doctor using video conversion. At this stage, the doctors with whom we cooperated released the first version of the application for testing it with real patients.

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Responsibilities:
  • Created front-end architecture;
  • Implemented chat and video chat solutions from scratch using sockets;
  • Added admin panel for doctors;
  • Implemented a calendar with time slots for doctors.
Project Tech stack:
React
Node.js
Redux
Firebase
React
Node.js
Express.js
MongoDB

Education

2021
Computer Science
Bachelors degree

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