Nikita Mayuga
Upstaffer since October 10, 2025

Nikita Mayuga — Full-Stack JS Engineer

Expertise in Full Stack Web (1.5 yr.), React Developer (1.5 yr.).

Last verified on October 10, 2025

Core Skills

JavaScript
JavaScript
TypeScript
TypeScript
React
React
Node.js
Node.js

Bio Summary

- 4+ years with JavaScript, Node.js, React - Proficiency in integrating third-party services and APIs, creating highly dynamic user interfaces and service architectures. - Bachelor's degree in Software Engineering

Technical Skills

Programming Languages JavaScript, TypeScript
UI Frameworks, Libraries, and Browsers CSS
JavaScript Frameworks Express, Node.js, React
JavaScript Libraries and Tools p5.js, Redux, Webpack
Data Analysis and Visualization Technologies Business Analysis, Microsoft Purview
Databases & Management Systems / ORM Firebase Realtime Database, MongoDB, MS SQL Server Management Studio, SQL
Amazon Web Services Amazon Elastic Load Balancer
Google Cloud Platform Cloud Functions
Azure Cloud Services Microsoft Azure API
SDK / API and Integrations API, Microsoft Azure API
Methodologies, Paradigms and Patterns Architecture and Design Patterns
Virtualization, Containers and Orchestration Docker
Version Control Git
Third Party Tools / IDEs / SDK / Services Toolkit
UI/UX/Wireframing UI/UX
Other Technical Skills App Service, AWS ELB, Core, databases, React Flow, Software Development, Software Engineering, Tools

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

How to hire with Upstaff

1

Talk to Our Talent Expert

Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.

2

Meet Carefully Matched Talents

Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person.

3

Validate Your Choice

Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

Why Upstaff

Upstaff is a technology partner with expertise in AI, Web3, Software, and Data. We help businesses gain competitive edge by optimizing existing systems and utilizing modern technology to fuel business growth.

Real-time project team launch

<24h

Interview First Engineers

Upstaff's network enables clients to access specialists within hours & days, streamlining the hiring process to 24-48 hours, start ASAP.

x10

Faster Talent Acquisition

Upstaff's network & platform enables clients to scale up and down blazing fast. Every hire typically is 10x faster comparing to regular recruitement workflow.

Vetted and Trusted Engineers

100%

Security And Vetting-First

AI tools and expert human reviewers in the vetting process is combined with track record & historically collected feedbacks from clients and teammates.

~50h

Save Time For Deep Vetting

In average, we save over 50 hours of client team to interview candidates for each job position. We are fueled by a passion for tech expertise, drawn from our deep understanding of the industry.

Flexible Engagement Models

Arrow

Custom Engagement Models

Flexible staffing solutions, accommodating both short-term projects and longer-term engagements, full-time & part-time

Sharing

Unique Talent Ecosystem

Candidate Staffing Platform stores data about past and present candidates, enables fast work and scalability, providing clients with valuable insights into their talent pipeline.

Transparent

$0

No Hidden Costs

Price quoted is the total price to you. No hidden or unexpected cost for for candidate placement.

x1

One Consolidated Invoice

No matter how many engineers you employ, there is only one monthly consolidated invoice.

Ready to hire Nikita Mayuga
or someone with similar Skills?
Looking for Someone Else? Join Upstaff access to All profiles and Individual Match
Start Hiring