• Established and maintained frontend-backend andfrontend-web3 integrations• Migrated projects to monorepositories,transitioning from webpack to vite.• Updated eslint configurations and migrated topnpm for package management.• Enhanced GitHub Actions to align with projectupdates.• Developed and maintained reusable components ina UI kit.• Supported multiple projects, ensuring crossbrowser compatibility and responsiveness.• Implemented new functionalities and maintainedthe integrity of existing features.• Addressed and resolved bugs, improving overallproject stability.• Updated major versions of libraries to keep up withcurrent standards.• Facilitated cross-team collaboration to ensureseamless integration of frontend components withbackend systems and smart contracts.Main stack: React + Redux, TypeScript, SCSS, ethers.js.

• Integrated new functionalities into existing systems.• Refined the UI kit and performed page layoutsutilizing it.• Conducted cross-review and supported legacyprojects to ensure code quality and sustainability• Upgraded the linter configuration and set up avitest environment. • Created with devops CI/CD on TeamCity.Main stack: React, Redux toolkit, TypeScript, css in js.

• Created new and refined existing frontendcomponents.• Established and maintained frontend-backend andfrontend-web3 integrations.• Addressed bugs and conducted cross-reviews tomaintain high standards of code quality.• Worked closely with the development team toensure the timely delivery of project components.Main stack: Next.js, React, TypeScript, Tailwind, Scss, ethers.js

• Participated in the development of several DeFiprojects, including NFT marketplaces.• Evaluated project requirements and contributed tothe design and development phases.• Provided mentorship and support to juniordevelopers, fostering a collaborative teamenvironment.• Set up React templates and configured linters toensure code consistency and quality• Facilitated the integration of frontend componentswith backend services and smart contracts.Main stack: React, Redux + Saga, TypeScript, MobX, AntD, MaterialUI , Scss, web3.js

• Engaged in the development of various projects,including a time-tracking application.• Established REST API and GraphQL connectionsbetween the frontend and backend systems.• Covering FE code with unit tests using JestStack: React, Redux, TypeScript, Scss, Angular 2+, AngularMaterial, RxJs, Jest, Apollo GraphQL