Andrii

Andrii Kondakov
Front-end Developer (React)
[відкрити контакти](див. вище в блоці «контактна інформація») Remote Portfolio linkedin Telegram

Summary
Front-end Developer with 7+ years of experience building scalable SaaS and fintech applications
using React and TypeScript.

Experienced in developing complex financial dashboards, payment integrations, and
high-performance user interfaces. Strong focus on performance optimization, testing, and
product quality.

Skills
JavaScript / Typescript HTML5 / CSS3

React.js / Next.js SCSS/SASS, CSS Modules

Redux (Thunk, Toolkit) Tailwind CSS

REST API / GraphQL Storybook

React hook form / Formik Material-UI / Bootstrap

Form Validation (Yup, Zod) Figma / Zeplin / Photoshop

Firebase Git

Zustand Cypress

Scrum Jest / Enzyme / React testing library

Jira SEO practices

React native English (B2)

Experience
Freelance Remote
Front-end Developer March 2025 - Present
• Developed modern front-end applications using React, TypeScript, and Vite

• Implemented state-management solutions with Zustand and Redux Toolkit

• Built reusable and accessible UI components with Tailwind CSS and SCSS

• Ensured form validation and data-handling best practices using React Hook Form + Zod

• Wrote unit tests using Jest to maintain quality and prioritize reliability
 • Collaborated directly with clients to gather requirements, provide technical guidance, and
deliver high-quality solutions

Tech Stack:
React, TypeScript, , Zustand, Redux Toolkit, React Hook Form, Zod, Jest, Tailwind CSS, Git, REST API
The Neat Company United States, PA, Philadelphia
Front-end Developer April 2019 - December 2024
• Developed and maintained a FinTech SaaS platform helping small businesses manage
bookkeeping, payments, expense tracking, and financial workflows.
• Built and enhanced customer-facing applications, internal tools, and business dashboards using
React and TypeScript.
• Implemented integrations with third-party financial services and payment providers.
• Contributed to the development and maintenance of a reusable UI component library using
Storybook, improving consistency and development efficiency across multiple applications.
• Developed reusable and scalable React components following modern front-end best practices.
• Worked with GraphQL (Apollo Client) and REST APIs to integrate backend services and manage
application data.
• Ensured application quality through unit testing with Jest and end-to-end testing using Cypress.
• Collaborated closely with product managers, designers, QA engineers, and backend developers
in an Agile environment.
• Participated in code reviews, sprint planning, technical discussions, and feature estimation.
• Contributed to the development of a React Native mobile application for approximately 6
months.
• Worked on a Next.js-based project as part of the company ecosystem.

Tech Stack:
React, TypeScript, Redux, Redux Thunk, Apollo GraphQL, REST API, Storybook, React Native,
Next.js, Jest, Cypress, Git
https://www.neat.com/
Giraffe Software Remote
Front-end Engineer March 2018 - April 2019
Contributed to diverse outstaff projects, working with cross-functional teams to drive success and
achieve project goals.
https://giraffesoftware.com/

Projects
The Neat Company
• Participated in the implementation of features of varying complexity across multiple
applications, utilizing modern front-end technologies.

• Ensure application stability and performance by creating and maintaining unit tests with Jest,
as well as end-to-end tests using Cypress.
 • Actively collaborated with cross-functional teams, including designers, QA engineers, and
product managers, through regular design discussions, sprint planning, and code reviews to
maintain consistency and adhere to best practices.

• I have worked on integration processes with financial platforms and services.

• Built data visualization components using charts to improve user insight and business
decisions.

• Worked with React native on developing a mobile application (6 month)

https://www.neat.com/

Carbonara App
Carbonara App, a free waitlist and reservation system designed for restaurants.

• Spearheaded the front-end development for CarbonaraApp, taking full ownership of the user
interface and experience for this web-based product.

• Significantly enhanced application performance and responsiveness by independently
identifying and refactoring inefficient legacy code.

• Optimized critical sections of the application, including the overhaul of large-scale forms, to
resolve noticeable performance bottlenecks (lags) and improve overall user satisfaction.

• Developed and maintained the product with a "mobile-first" approach, ensuring a seamless
and intuitive experience across various devices and screen sizes.

https://www.carbonaraapp.com/

Highre
I worked on a virtual career fair. Highre is supercharging recruiting with dynamic virtual career
fairs. We built the new generation virtual career fair platform that supports bringing talents and
employers together, no matter where they are.

• As an early developer on the team, I was involved in building the product from scratch,
contributing to feature development, component creation, and ensuring cross-device
compatibility.

https://highreevents.webflow.io/

Education
ISMA (Informacijas Sistemu Menedžmenta Augstskola) Master's degree
Computer systems and qualification of systems analyst 2022 - 2024
https://isma.lv/en/

Cherkasy State Technological University Ph.D.
Applied mechanics (Engineering) 2016 - 2020
https://chdtu.edu.ua/

Cherkasy State Technological University Master's degree
Computer Technologies and Mechanical Engineering 2013-2016
https://chdtu.edu.ua/

Cherkasy Polytechnical College Junior Specialist
Maintenance of machines with software control 2009 - 2013
Operation and maintenance of CNC (Computer Numerical Control) machinery
https://polytechnic.ck.ua/

Volunteering
Royal Rangers Feb 2017 - Apr 2017
• Collaborated with a team during a JS course at Codaline to build a non-profit organization's
website.

• Gained practical experience with HTML, CSS, and vanilla JavaScript in a real-world project.

Certifications
JavaScript October 2018 - April 2019
Geekhub
https://geekhub.ck.ua/

Languages
English
Upper-Intermediate (used in daily communication with international teams)

Ukrainian
Native