KDontsov.

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A summary of my education, work history, credentials, and other accomplishments and skills:

PERSONAL PROFILE:

  • A passionate Full Stack Developer with 1.5+ years of experience in building scalable web applications using modern technologies like React, Node.js, Nest.js, Express.js, PostgreSQL, MongoDB, and AWS.
  • Skilled in optimizing database performance, developing robust APIs, and delivering seamless front-end experiences.
  • Demonstrated expertise in Elasticsearch integration, CI/CD pipelines, writing unit tests and Agile methodologies.
  • Strong problem-solving skills, adaptability, and ability to work effectively in collaborative environments.
  • Currently based in the United Kingdom, I am seeking a long-term opportunity with a UK-based company where I can leverage my skills to drive innovation and contribute to impactful projects.

KEY SKILLS:

    Languages:

    • JavaScript/TypeScript
    • Python - basic
    • SQL

    Databases:

    • PostgreSQL
    • MongoDB
    • MySQL

    Source control:

    • Git
    • Bitbucket

    Tools:

    • GitHub
    • Trello
    • Jira
    • Slack

    Technologies:

    • Node.js
    • React
    • Next.js
    • Gatsby.js
    • Express.js
    • Nest.js
    • OOP
    • REST API
    • Design patterns
    • React testing library
    • Redux
    • SCSS
    • MUI, Tailwind CSS
    • Webpack, Gulp
    • AWS
    • Postman
    • Jest
    • Docker

    July 2024 – Present

    Meduzzen

    • Created backend on Node.js with routes, controllers, services, repositories, middleware, validators, DTO, and Jest tests.
    • Developed React components, helpers, hooks, and services on the front end and connected them together.
    • Created post management for an educational platform.
    • Implemented unit tests with Jest for backend and frontend functionality.
    • Developed JavaScript scripts to automate data migration from old MySQL databases to new MySQL and MongoDB databases.
    • Enhanced database query performance by reducing execution time using bulk insertion and connection pooling.
    • Integrated Elasticsearch for searching posts and comments using multiple keywords, synchronized with Elasticsearch Cloud Store.
    • Implemented data validation and keyword highlighting in search results.

    May 2024 – July 2024

    Digital Horizon AweGoo

    • Conducted code reviews and optimized performance across multiple areas of the project.
    • Developed backend components with AWS Amplify Gen 2, including queries, API endpoints, and Lambda functions.
    • Integrated AWS Amplify authentication on both backend and frontend.
    • Connected PostgreSQL database to AWS RDS and created SQL queries to manage data.
    • Developed Lambda functions to automate data retrieval from Amazon APIs and store it in the database.
    • Created and deployed API endpoints using AWS API Gateway.
    • Implemented frontend functions to fetch data from the backend, ensuring seamless communication between client and server.

    Feb 2023 – July 2024

    Self-employed, volunteer

    • Developed visually appealing and responsive websites with HTML, CSS, and JavaScript, achieving 90-100 scores in Google Core Web Vitals.
    • Built a React application integrated with OpenAI's API, supported by a Node.js/Express backend and PostgreSQL database.
    • Implemented UI/UX using Material UI and Tailwind CSS.
    • Created an interactive map application with the MapTiler API for dynamic map interactions.
    • Developed a full-stack ecommerce application using Next.js (TypeScript), Node.js/Express, PostgreSQL with Prisma ORM, and AWS S3 for image storage.
    • Built a Kanban board with GitHub issues integration and drag-and-drop functionality using the GitHub API.

    Certificates:

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