Responsibilities & achievements

Created API for CRUD Operations Created synchronization requests from other services Created API and sync mode Participated in all discussions with customers Offered my ideas for improving the project Proposed several features that were later approved by customers and implemented on my part, such as integration with other services. Built the architecture of the project Worked with graphics, data acquisition and processing. Communicated with customers directly, since this is a startup and everything changes dynamically.

Responsibilities & achievements

1. Built charts, histograms using various libraries for working with graphics, receiving and processing data, SEO optimization using Next.js 2. Worked with graphs Participated in all discussions with customers Offered my ideas for improving the project Proposed several features that were later approved by customers and implemented on my part, such as a formula for calculating a user's score based on his achievements, a rating table based on location parameters, years of experience, and type of activity. Built the architecture of the project Worked with graphics, data acquisition and processing. Mentored 2 juniors, who later rose to the middle positions according to the internal system of evaluation of the company. Communicated with customers directly, since this is a startup and everything changes very dynamically. Tools and Technologies: Next.js, Typescript, Tailwind, TwinMacro, Styled Components, GraphQL, Docker, ChartJS, ApexCharts Work organization/communication: Scrum, Google Meet, Slack, estimation meetings, planning, code review, brainstorms, business updates, knowledge sharing activities, Clickup, Github, Hubstuff

Responsibilities & achievements

My responsibilities included: defining the technology stack for building the application, taking responsibility for building new features and business logic according to the basic requirements, also, with the changes I proposed building processes among other developers, distributed tasks, participated in discussions and resolution of controversial issues with other team members to prevent conflict situations, built common communication processes, took the initiative to introduce additional calls among developers to analyze tasks and improve the quality, readability and efficiency of the code This gave me a huge boost in communication skills, personnel management, management of business processes related to the development of the application and also I gained new knowledge, because we get it not only when we learn ourselves, but also when we teach others Tasks examples: Implemented the logic for creating orders on the trading terminal order book using Chart.js Implemented a pseudo-automatic trading algorithm for the selected strategy with dynamic parameters Implemented fuzzy search (lookforward, select range) for options names Created custom drag-n-drop library with own layer to make orders trade option on the real-time updating chart Stored information about the user’s wallet in Redis cache layer. Took the initiative to upgrade react to version 18 with all subsequent dependency updates Created custom modal form controller From my side, the following ideas were proposedб approved by customers and successfully implemented to improve the application: Liquidation price calculator, order liquidation algorithm, custom tools for working with charts, the ability to create API keys for remote work with an account Tools and Technologies: React.js, Redux, Next.js, Node.js, Express, MongoDB, Redis, Docker, AWS S3, Jest, RTL, GraphQL Work organization/communication: Scrum, Google Meet, Slack, estimation meetings, planning, code review, brainstorms, business updates, knowledge sharing activities, Jira, Gitlab.

Responsibilities & achievements

Worked with software development and testing team members to design and develop robust solutions to meet client requirements for functionality, scalability, and performance. Set up the frontend side environment from scratch Created an API based on Node.js (Express) and GraphQL. Client implemented with React.js, Next.js, Websockets, Webpack. Typescript was used instead of regular Javascript Implemented routing throughout the pages. Moved API from REST to GraphQL to speed up the development process and reduce unnecessary response Implemented AWS (S3, EC2, Cloudfront, Lambda) to use cloud service infrastructure Wrote application tests with a total coverage percentage of 80% using JEST, React Testing Library Implemented customizable dashboard table where the user has options to move, include/exclude, and apply filters for columns. Edited CI/CD ( lint, test, deploy stages ). Integrated third-party tools and components into applications Mentored 3 new junior Full-stack developers on the team Tools and Technologies: React.js, Redux, Node.js, Express, MongoDB, Redis, Docker, AWS (S3, EC2, Cloudfront, Lambda), Jest, RTL, GraphQL, PrismaORM, Formik, moment.js, date-fns. Work organization/communication: Scrum, Google Meet, Slack, estimation meetings, planning, code review, brainstorms, business updates, knowledge sharing activities, Jira, Gitlab.

Responsibilities & achievements

Created a Custom CSS Component Library with SCSS, Rollup, and Storybook. Translated text content with i18n Created chart of activity, which shows visitor’s countries Implemented a user authorization mechanism using AWS Cognito Established option for real-time chat (BE + FE sides) Moved auth from jwt to session based Created an interface for admins about CRUD logic for posts and guides. Created a mechanism for custom internal transactions for the exchange of in-game currency for items Created dynamic forms Tools and Technologies: React.js, Redux, SCSS, Rollup, Storybook Node.js, Express, Postgresql, DynamoDB, Docker, Jest, RTL, REST API, Tailwind. Work organization/communication: Scrum, Google Meet, Slack, estimation meetings, planning, code review, brainstorms, business updates, knowledge sharing activities, Jira, Github.

Responsibilities & achievements

Created routes + handlers for the main CRUD functionality Translated text content with i18n Created a chart of activity, which shows what was bought, by whom and the amount of that buy. Integrated tool for live chat with manager. Created session based authentication. Created an interface for admins about CRUD logic for goods and services. Tools and Technologies: React.js, Redux, Node.js, PostgreSQL, Docker, Jest, RTL, REST API, Tailwind, Ant Design