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Igor – React, Node.js, Typescript, experts in Lemon.io

Igor

From Ukraine (GMT+3)

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Full-stack Web DeveloperSenior
Hire developer
10 years of commercial experience
Automotive
Healthcare
Renewable energy
Social media
Graphic software
Platforms
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Igor – React, Node.js, Typescript

With more than 7 years of professional experience, Igor is an accomplished JavaScript Developer proficient in React and Node.js. His expertise extends to architectural design and team leadership. Lately, he has been delving into AI projects, further expanding his skill set. Besides his commercial work, Igor has developed a pet project for English grammar and syntax recognition. In his free time, Igor enjoys running, meditating, and snowboarding.

Main technologies
React
7 years
Node.js
7 years
Typescript
3 years
Additional skills
Express.js
HTML
JavaScript
Koa.js
Enzyme
Webpack
Jasmine
Material UI
MySQL
Redux
Sequelize ORM
MongoDB
Web 3.0
Leaflet
Jasmine
Protractor
Vue.js
Apollo GraphQL
Google Map API
LESS
Next.js
REST API
Jest
Storybook
CSS
Python
AWS
Ready to start
ASAP
Direct hire
Potentially possible

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Experience Highlights

Senior Software Engineer (Node.js, Python, LLM)
Jul 2023 - Ongoing1 year 2 months
Project Overview

The name is under NDA

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Responsibilities:
  • Designed and developed microservices, enhancing system scalability and performance.
  • Conducted technical interviews.
  • Actively mentored the team members.
  • Leaded the backend team.
  • Designed distributed system architecture.
  • Integrated 3rd party services like Auth0.
  • Developed and extended the chatbot functionality.
  • Designed and optimized prompts for the OpenAI API to implement new features.
Project Tech stack:
Node.js
Python
LLM
OpenAI
Pandas
Nest.js
Distributed Systems
Typescript
MongoDB
Senior Javascript Developer
Sep 2021 - Jan 20231 year 3 months
Project Overview

A platform that will help people find a facility to place their parent when the parent needs long-term care.

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Responsibilities:

• Designed and developed the service that handles 100k emails per month. • Refactored legacy service on C# to Node.js with a focus on performance. • Developed new features from scratch working with the design team. • Conducted A/B testing campaigns to check new interfaces hypotheses. • Integrated and supported 3rd party services: Auth0, LaunchDarkly, Segment, Amplitude.

Project Tech stack:
Node.js
Typescript
React
Apollo GraphQL
Google Map API
Material UI
MongoDB
Microsoft SQL Server
Senior Full-Stack JavaScript Developer
Jun 2018 - Aug 20213 years 2 months
Project Overview

A marketplace for car owners and mechanics in the UK - the all-in-one place to book your car repair

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Responsibilities:

• Refactored and moved the existing codebase to modern technologies. • Performed full cycle development of new features from scratch. • Optimised map functionality for faster rendering of 3k items. • Conducted A/B testing campaigns to check new interfaces hypotheses. • Involved in redesign the SagePay payment architecture to the GDPR policy. • Developed new payment architecture using Stripe. • Improved and managed SendGrid emails infrastructure.

Project Tech stack:
Node.js
Express.js
React
Redux
Material UI
MySQL
Sequelize.
Typescript
Full-Stack JavaScript Developer
Dec 2016 - Jul 20181 year 7 months
Project Overview

Graphic design editor that helps create images for social media, print and other web based graphics.

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Responsibilities:

• Performed full-cycle design and development from scratch. • Covered code through unit and integration tests. • Refactored code with a focus on performance. • Designed and created the application for generating marketing pages. • Reduced testing time by 5x by implementing infrastructure for writing integration tests. • Designed and managed the internationalization of application for 6 languages. • Contributed several private NPM modules.

Project Tech stack:
React
Redux
Node.js
Koa.js
Enzyme
Vue.js
Webpack
MongoDB

Education

2015
Management
Master's

Languages

English
Advanced

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