Igor

IGOR KUSHNIR
FRONTEND DEVELOPER

I am a Frontend Developer with 5 years of experience, specializing in
ReactJS/NextJS. I’m passionate about creating solutions that make users’
lives easier and more enjoyable. Knowing that my work helps people
achieve their goals faster and more efficiently is what drives me. I am
committed to continuous growth, always open to new challenges and
opportunities to learn, ensuring I can deliver even more effective and
innovative solutions.

C O N T A C T P O R T F O L I O
[відкрити контакти](див. вище в блоці «контактна інформація»)
ZENCHEF HOSPITALITY TECH
[відкрити контакти](див. вище в блоці «контактна інформація») https://www.zenchef.com/

Kyiv, Ukraine Working closely with Design and Support teams, updated overal app
UI/UX, that increased new sales by 15% and returning sales by 100%
https://www.linkedin.com/ I managed a team of 4 developers - defining project scope,
in/iq-rn-developer/ coordinating requirements with other teams, breaking down tasks
into executable subtasks, and overseeing delivery through technical
reviews and testing
E D U C A T I O N
Cleaned up codebase (removed AngularJS, duplicated components),
that led to issues-reports decrease by 20% and Developers experience
JULY 2019 – AUGUST 2020
score from 5 to 7,7 (avegare)
GOIT, KIEV
Tech stack: ReactJS, TypeScript, MobX, PandaCSS, ArkUI, AngularJS,
Fullstack Developer (React +
Jest, RTL, Storybook, Phrase
Node.JS)

MXNEY FINTECH
S K I L L S
https://www.mxney.io/
ReactJS / NextJS
I led the frontend team on a project as part of a dedicated team from
TypeScript Perfsol, taking it almost from the ground up.
Strapi, Sanity We followed best practices to ensure the project was scalable, easy to
maintain, and adaptable for future updates.
Supabase
Added integrations: Swan, Google, Facebook, Leadspin.
Drizzle ORM By driving the development of new features, we accelerated product
Unit tests / Jest, RTL growth and ensured stability across the application.
The project was fully covered with unit tests (90% coverage).
e2e tests / Puppeteer
I developed comprehensive documentation using Storybook and Git
Tailwind / PandaCSS / Styled docs to streamline onboarding for new developers
components
Tech stack: ReactJS, TypeScript, Effector, Styled components, Jest, RTL,
MobX / Redux / Zustand Puppeteer, Storybook
Storybook
Scrum / Agile
Lenox AI LEGALTECH
Docker https://lenox.ai/
Creating AI-based platform from scratch. App could analyze legal
L A N G U A G E S docs, generate summary and give suggestions for lawyers.
Implementing new features together with BE team.
Covering code with unit tests. I’ve reached min 90% coverage using
English
Vitest.
Ukrainian
Tech stack: ReactJS, TypeScript, Zustand, Axios, Vite, Vitest, EditorJS
 My Shop Integrator E-COMMERCE

Development of a high-loaded application for importing / exporting /
processing product lists from various platforms (WooCommerce,
Shopify, Prestashop)
Leading features from concept to final implementation in
collaboration with the team
Writing unit tests to cover the code (80% coverage reached)
Creating and maintaining CI/CD infrastructure
Creating end-to-end tests to cover potential vulnerabilities according
to U.S. regulations

Tech stack: AngularJS, TypeScript, RxJS, Jest, Puppeteer, Karate

WO R K E X P E R I E N C E

Mobilunity DECEMBER 2024 - PRESENT
Frontend developer
Upgading Production-ready applicaion with 100K+ daily users
Leading developers team (4 developers)
Planing and prioritizing tasks with other teams
Asssigning subtasks with final control (tech review and testing)
Developing general approaches together with dev fuild
Helping support team with issues management

Perfsol Software JUNE 2021 - DECEMBER 2024
Fullstack developer
Developing high-performance, scalable applications with
ReactJS/NextJS
Collaborating with clients, designers, and backend teams to create
innovative features
Implementing robust unit and end-to-end testing strategies
Crafting comprehensive and user-friendly application documentation
Mentoring and guiding junior developers to accelerate their growth

Extreme Idea AUGUST 2020 – MAY 2021
Frontend developer
Developing of high-loaded application, used on USA market
Implementing new features and covering it with unit- and e-2-e tests
Improving app security due to US standarts