Elijah IvanikReact Frontend Developer

summary

I work in a high-tech, rapidly developing IT company, that is one of the top 3 largest in Russia, Innotech holding. Highly effective Lead Frontend Developer with more than 7 years of commercial experience in React. Responsible and punctual team player, which the crew can always rely on. Passionate about programming and creating advanced IT solutions.

Strong communication, problem-solving, and adaptability skills Critical thinking capabilities Detail-oriented nature Clearly plan and organize activities Responsibility and discipline in completing assigned tasks Effectively work with team members and clients, understanding project requirements Career-focused, ambitious, loyal

experience

Period: March 2024 - Current time [ + months ]

Company: Innotech inno.tech
Top 100 Largest Russian Companies by Net Profit, over $2 billion forbes.ru A multi-profile holding company, one of the leaders of the Russian IT market The holding companies have been operating in the market for over 30 years The staff includes over 50.000 employees
Position: Lead frontend developer

Project: ERP HR system

Stack: React, TypeScript, React-Query, Zustand, Tailwind, ZOD, React hook form, Micro-frontends, Vite, Gitlab

Responsibilities:
Leading 2 large and complicated micro-frontend modules of the ERP system Writing optimized clean code, working with other developers's code Taking apart in modules discussions with analytics and backends Releasing modules features every 2 weeks
Achievements:
In the first 9 months of work, more than 700 tasks were closed, including more than 270 bugs fixed Exceeded the annual working plan by 25%. Our team took first place among the entire holding (over 50,000 workers) in terms of functionality produced at the end of the year Designed a survey plugin for an audience exceeding 20,000 users, achieving a bug-free launch Enhanced system stability and scalability, reduced total bundle size by 6% (from 5 MB to 4,7 MB), by extracting 2 critical modules from the monolith and redesigning their architecture and configurations Reduced org-structure module response time by 81% (from 1,1 to 0,2 sec) and ensured smooth performance when handling over 10,000 items by implementing chunked requests on scrolling and adding virtualization

Period: September 2022 - May 2023 [ 9 months ]

Company: Internet Technologies servekb.ru

Position: Fullstack developer

Projects:
Custom CMS Web application for remote management of virtual machines
Stack: React, TypeScript, Redux, Headless UI, PHP, MySQL, Websockets, CSS Modules, Webpack, Git

Responsibilities:
Developing both projects being the only developer in the team Design, concept, frontend (React), backend (PHP), databases (MySQL)
Achievements:
Enhanced user experience and increased customer loyalty by 25% (as measured by retention rates) by implementing a support service chat using Websockets for real-time communication Cut phone operator costs by 66.6% (from 3 operators to 1) and eliminated the management department by automating customer calls with Mango and integrating Yookassa for website payments Tripled the total number of customers by gaining over 1,000 new clients within a year of the site’s launch

Period: July 2017 - September 2022 [ 5+ years ]

Company: RLIMB [ startup ]

Position: Web developer

Projects:
Social Network 1 (NDA) Social Network 2 (NDA) Website for traders using Google Trends Website for working with cryptocurrency (was coding on Solidity also) Website for the sale of land plots (with custom CRM) Website for the sale of tourist packages to Georgia (with custom CRM) Website for transportation services (with custom CRM) Online store for trading diamond tools (with custom CRM)
Stack: JS, React, TypeScript, Redux, CSS Modules, HTML, (S)CSS, PHP, MySQL, Webpack, Git

Achievements:
Configuring Apache, Nginx, Maria DB cluster Coding blockchain smart contracts on Solidity Reduced site response time by 73,2% (from 2,5 to 0,7 sec) by applying Apache gzip + lazy React modules Implemented Galera cluster for Maria DB prevented data loss when one of the servers crashed Increased the company’s revenue by over 30% by creating and embedding a smart contract (using Solidity) into a social network that allows for crypto transfers between participants

frontend skills

• React
• TypeScript
• Zustand
• Redux
• RTK Query
• React Query
• React Hook Forms
• Websocket
• ZOD
• JS

UI skills

• Headless UI
• CSS Modules
• Tailwind

extra skills

• Git
• Webpack
• Vite
• Docker
• REST API
• i18n

architecture

• Micro-frontend
• Monorepo
• FSD