bartosz0718

Crafted a user review API and automated review aggregation engine using Node.js, TypeScript, and Express.js, improving data collection efficiency by 50% for the customer support team. Established a badge generation engine, resulting in a 25% increase in user-generated content shared across social media, improving brand visibility and engagement. Integrated smart contract with Web3.js, reducing manual intervention by 60% and increasing overall operational efficiency. Implemented CI/CD pipelines via GitHub Actions, resulting in a 60% reduction in deployment errors and greater software reliability. Generated detailed API documentation with Swagger and conducted thorough API testing using Cypress and Jest, boosting developer onboarding by 40% and increasing system uptime by 15%. Enhanced server performance using Docker, reducing average database query times to under 200 milliseconds, thereby improving user experience and application responsiveness.

Spearheaded the creation of a comprehensive DeFi ecosystem, token generation and ICO platforms, 5 play-to-earn games, 2 NFT marketplaces, and over 20 Web3 projects. Developed an auto DEX bot for Burn&Drop that executed trades in under 2 seconds, increasing transaction efficiency by 40% and enhancing user engagement across the platform for over 1,000 active users. Designed a series of robust token bridges that facilitated seamless asset transfers across five different blockchain networks, enhancing transaction efficiency and improving cross-chain communication by 40% within the first quarter of implementation. Automated the integration process between React.js front-end and smart contracts using Web3.js and Ethers.js; streamlined deployment time by 60%, allowing quicker updates and feature rollouts for end-users. Built a robust internal back-end system by synchronizing with a blockchain database using Node.js and Express.js; improved data retrieval speed by 40% while enhancing security measures across the platform. Reconstructed existing API endpoints to utilize GraphQL, providing a more flexible data querying mechanism; this effort yielded a 50% reduction in code complexity, improving maintainability across the development team. Managed CI/CD processes for the development team, utilizing CircleCI, Bitbucket, GitHub, and AWS Lambda functions; achieved a 40% reduction in deployment time and improved overall software quality.

In an agile and collaborative environment, gathered design requirements, and conducted thorough application testing, resulting in a notable 25% increase in working speed. Led troubleshooting efforts, fixed more than 300+ bugs and other issues, and updated sites throughout the production lifecycle. Created the 100+ complex UI components using React.js / TypeScript, HTML5 and CSS3.