Сергій

SERHIY LESHCHAK
FRONTEND JAVASCRIPT
DEVELOPER

CONTACT INFORMATION CAREER SUMMARY

[open contact info](look above in the "contact info" section) Front-End JavaScript Developer at Axels 06.20.2022 - 08.03.2024
https://www.linkedin.com ● Worked with react-context, react-hooks, material-ui.
/in/serhiy-leshchak ● Code reviews and collaboration on implementation
● Developed advanced filtering components for reporting analytics with
https://t.me/SergoUFO73
graphs and charts.
● Provided test coverage for all the components utilizing
[open contact info](look above in the "contact info" section)
jest, enzyme, and react testing libraries.
● Optimized the application for people with disabilities.
EXECUTIVE SUMMARY ● Mentoring junior teammates to improve their knowledge of JavaScript,
HTML/CSS.
I am a JavaScript Developer with 3+ years ● Collaborating with back-end developers and Product Managers to improve
of experience in software development. the usability of the product.
Purposeful, professionally motivated,
young, and looking for a professional Front-End JavaScript Developer at StarApps 30.08.2021 - 30.05.2022
company for long-term collaboration. Fast
learner with strong and flexible analytical ● Developed front-end for a logistics app using react/redux + material-ui.
thinking. ● Created a variety of complex editable tables for logistics data.
● Delivered a flexible calendar for creating and managing events.
SKILLS ● Made use of typescript in commercial settings.
● Developing new features and resolving the issues on a high-traffic
● Front-End: JavaScript (ES5, ES6), React, e-commerce project.
Next.js, Redux, TypeScript, HTML, CSS,
SASS, LESS, React-Query, React Flow, Front-End JavaScript Developer at Boost Solutions 23.11.2020 - 27.08.2021
React Context, Design Patterns, Rest
API,Common JS & ES6 modules, OOP, ● Have commercial experience as an executive Front-End developer.
Payment systems, Promises. ● Experience in React + Redux, Styled-Components.
● Automation Testing: Jest, Enzyme, ● Experience in Canvas.
React Testing Library.
● Services: Node.js, GitHub, GitLab,
Postman API, Git, Webpack, Axeos.
● Tools and Libraries: Tailwind CSS,
Material UI, Bootstrap, Ant Design,
Lodash, VS Code, WebStorm, Mac OS.
● Developing from: Figma, Photoshop, EDUCATIONAL HISTORY
Zeplin, Illustrator.
● Agile: Scrum, Kanban, Agile, Lean. ● Uzhgorod National University | bachelor's degree
Faculty Computer Software Sngineering | 2012 - 2016
LANGUAGES
COURSES
English - intermediate (B1)
Slovak - upper-intermediate ● Javascript Advanced - GoIT | 2020 (4 months)
Ukrainian - native speaker ● React Advanced - GoIT | 2020 (3 months)
SELECTED PROJECTS

TEACHING STRATEGIES LOGISTIC WAYS (HAVI)
Technologies used: JavaScript, TypeScript, React, Technologies used: TypeScript, React, Redux,
React-Hooks, React-Context, Jest, Enzyme, PropTypes, Styled-Components, Material-UI.
Material-UI.
Responsibilities: Onboarded and mentored new team members,
Responsibilities: Application component documentation, code review
code review, and refactoring. and refactoring.

Project features: The application helps to connect teachers, Project features: Application for placing procurement orders
children, and families to with the details on
stimulate learning experiences and create stronger delivery Logistics, Management Packaging, and Supply Chain.
partnerships. The application The project also
collects data about the learning environment, process, included event planning for the logistics processes.
teacher-student
interactions and learning outcomes, and provides Link: https://www.havi.com/
informative analysis to improve
learning.

Link: https://teachingstrategies.com/

DRINK RIPPLES

Technologies used: JavaScript, React, Redux, Electron, Canvas,
Styled-Components.

Responsibilities: Developing a different Front-End client.
Working with a customer remote team. Code review and
refactoring.

Project features: Ripples is a pioneering bev-top media
platform that helps the Food & Beverage, Hospitality, and
Event Management industries turn an ordinary drink into an
innovative canvas by printing images and messages on foam.

Link: https://www.drinkripples.com/