Nikita Mayuga — Full-Stack JS Engineer

Work Experience

Team Lead, DevIT software

Duration: March 2022 - September 2025

Summary: I was responsible for the development of the following projects:

-Grammer (Grammar and punctuation mistakes checker)

• Optimization of rabbitMQ queues usage and database queries;
• UI redesign;
• Redesigned the application architecture from a functional to an object-oriented approach;
• Implemented grammar checking functionality using ChatGPT
• Tech stack: Rabbit, React, Redux Toolkit, Koa, MongoDB, Polaris, Shopify API (Rest/GraphQL), ChatGPT API, Docker, Compose.

-Selecty(Currency and localization selectors, markets/locale auto detect)

-Quicky(Fast configurable banners)

-Mobile(Transforms online store into a mobile application):

• Designed the database structure;
• Created user interface;
• Created a design builder page;
• Created a React Native application for a setup preview.
• Tech stack: React Native, React, Redux Toolkit, Koa, SQL, Polaris, Shopify API (Rest/GraphQL), Docker, Docker Compose.

Responsibilities:

-Workflow management

-Making architectural and business development decisions

-Technical code reviews

-Tasks distribution

-Technical support for the core applications library

-Application development and optimization

-Interviewing, onboarding, and training new team members.

Full-stack JS Developer, DevIT software

Duration: Sept 2021 - March 2022

Summary:Responsible for the development of the following projects:

-React Flow:

• Created a node-based visual flow system;
• Architectural design of a scalable task processing system;
• Created a service for variable-based user settings;
• Created a request load balancer for the Shopify API;
• Configured load balancing for scaled worker containers in Docker Compose;
• Third-party services connection;
• Proposed a user-friendly interface by implementing drag-and-drop blocks;
• Successfully executed the idea with the help of the ReactFlow library.

Technologies:React, Redux, Koa, SQL, Redis, RabbitMQ, Polaris, Shopify API, Liquid, Docker, Docker Compose

Responsibilities:

-Application development and optimization

-Participated in discussions of business processes

-Data scraping

-Development of core company application features like

-Support system, payment system, release notes

-Collaborated with designers, engaging in discussions about

design elements.

-Integrated third-party services to improve user experience

Education

• Bachelor of Software Engineering
• 2016-2021