Denys F. Front-end Software Engineer (React)

Experience

Frontend developer, Perform Live

June 2021 - September 2022 (15 months)

Description: A web application for creators where they can monetize their talent. Creators can get money (sell products, receive gifts, paid performances participation) through live streaming. The app contains a whole bunch of features related to the commerce side of the project (creation of products, sales, analytics, shipping, payout, and so on) and functionality to create and conduct live streams including audience management.

Responsibilities:

• Develop new modules and refactor old modules;
• Develop new modules and refactor old modules;
• Create functionality for serverside rendering, as well as Static Generation for some functionality;
•  Estimate features;
• Code review;
• Refactoring;
• Bug fixing.

Technologies: React, React-router, React hooks, Redux, Redux Query, Axios, Eslint.

Frontend developer

January 2021 - June 2021 (6 months)

Description: An application allows you to buy/sell/auction tickets to different events. Also, every ticket includes info about the location and other details. The most interesting thing is that you can buy tickets only with cryptocurrencies. This app also integrates with your contacts (a long list of issues was solved).

Responsibilities:

• Create frontend of web application based on React;
• Design the architecture of an application;
• Estimate features;
• Implement features;
• Code review;
• Refactoring;
• Bug fixing.

Technologies: React, React-router, React hooks, Redux, Redux-Saga, Axios, Eslint.

Frontend developer, Pro Habits

February 2020 - December 2020 (11 months)

Description: A web app that helps people to develop professional and personal habits. The main goal is to create a list (pro-track) of activities and assign different pro-tracks to organizations. People in organizations can choose some pro-track and do activities day by day. The system sends emails twice a day using AWS lambdas-like triggers.

Responsibilities:

• Design the architecture of an application;
• Estimate features;
• Implement features;
• Code review;
• Refactoring;
• Bug fixing;

Technologies: Node.js, Postgres, Express.js, JWT, AWS, React, React, Material, React Hooks.

Frontend developer

April 2019 - February 2020 (11 months)

Description: The platform that helps GYMs owners make their place safer. The user has to answer a bunch of surveys related to different categories. Questions appear or not dynamically (based on previous answers). Also, the user can attach photos to prove their answers. Application in real-time calculates safety percent in each category. Any user can easily get a detailed report in PDF.

Responsibilities:

• Create a web platform based on React;
• Implement a new UI for frontend due to the design;
• Estimate features;
• Bug fixing;

Technologies: TypeScript, React, Eslint, Redux, Redux-Saga, Formik.

Frontend developer

October 2018 - April 2019 (7 months)

Description: Web application - it’s a task manager where you can create projects, share them with friends, comment, and so on.

Responsibilities:

• Perform full scope of frontend development;
• Maintain app structure and architecture;
• Maintain high-quality coding standards;
• Create a component system;
• Actively participate in team meetings and peer reviews of software code, as well as design reviews;

Technologies: React, React router, Redux-Saga.

Frontend developer, Julbox

January 2018 - October 2018 (10 months)

Description: UI development for an online graphic design application. The application includes animations, transitions, other required behaviors, and all related pop-ups and windows.

Responsibilities:

• Work at all stages of the product lifecycle from requirements capture, through design to implementation;
• Development of the UI part;
• Markups creation;
• Code review;
• Refactoring.

Technologies: Javascript, React, HTML5, CSS3, Bootstrap.

Frontend developer

April 2017 - December 2017 (9 months)

Description: This is the admin panel for the application where users buy or rent numbers for organizations. In this admin panel, you can view and edit orders and individual numbers from orders, add or remove numbers, generate promotional codes with discounts, create pre-existing numbers with unique settings that will be available to the client with a token in the generated URL, view various analytical data by numbers and users.

Responsibilities:

• Perform full scope of frontend development;
• Maintain app structure and architecture;
• Maintain high-quality coding standards;
• Create a component system;
• Actively participate in team meetings and peer reviews of software code, as well as design reviews.

Technologies: HTML (PUG), CSS (SCSS, flexbox), JS (jQuery 3.x), Gulp, NPM, PUG, Bootstrap, Git, Docker, Redmine.

Frontend developer

8 months (September 2016 - April 2017)

Description: This is a platform for collecting statistics and information for soccer matches and tournaments. It allows you to view statistics of teams and players, both for the season and for
all time, and get information about matches: lineups, referee team, team position in different tournaments, events in matches, etc.

Responsibilities:

• Develop the frontend part of an application;
• Estimate features;
• Design features;
• Enhance application for maximum speed and scalability;
• Validate input before submitting it to the backend;
• Bridge the gap between graphic design and technical implementation;
• Bug fixing.

Technologies: React, React router, TypeScript, RTK, RTK Query, React hooks.

Education

Master’s degree, Computer Engineering, and management, Kharkiv National University of Radioelectronics

2013-2017