Ruslan Piankouski

Developed an SDK, focusing on real-time communication using WebRTC Technologies: TypeScript, WebRTC, GitLab CI/CD, Node.js, Webpack, Vue.js Core Development: - Architected the SDK structure using Design Patterns - Fixed and refactored legacy SDK components - Developed web application using Vue.js for SDK intergation - Developed and maintained local products using Nest.js framework

Developed a shared back-end library, maintaining high code quality, extensive test coverage, and detailed documentation for other teams. Technologies: Node.js, Typescript, AWS Services, SPARQL, jest, React Core Development: - Developed IoT back-end library to facilitate data processing and device communicatio - Configured AWS Services using AWS CDK to automate infrastructure deployment - Created architectural diagrams to illustrate system components - Wrote comprehensive technical documentation

Migrated the legacy back-end from Clojure to Node.js to improve maintainability. Technologies: Node.js, React, Next.js, PostgreSQL, Express, Typescript, AWS SES, AWS S3, Passport.js Core Development: - Migrated from Clojure to Node.js, modernizing the technology stack - Integrated AWS Services, including SES, S3 and Lambda, for enhanced functionality and scalability - Implemented new features for the front-end application - Implemented BFF service to enhance mobile application performance

Developed multiple startups starting from scratch to full application release. Most projects consisted of a mobile application, a CRM or admin panel, and back-end system. Technologies: React Native, React, Node.js, MongoDB, Express, styled components, WebRTC, socket.io Core Development: - Developed mobile applications using React Native - Built web applications using React and styled-components - Implemented back-end systems using Node.js and MongoDB

Intergrated the Bitrix24 CRM system into several business processes to enhance workflow efficiency Technologies: Bitrix24, PHP, Angular.js, material-ui Core Development: - Developed custom modules for Bitrix24 to extend CRM functionality - Created automation scenarios for business processes - Built custom components for the business process edito - Implemented embedded web applications using AngularJS and Material-UI