Aleksandr Proshanov

LSR Group is one of Russia's largest construction holdings, operating since 1993. Collaborated on team development of static corporate websites on ModX and Bitrix (traditional HTML/CSS layouts, minista, Next.js) and built SPA applications from Figma designs supplied by the external design team.

Developed a React/TypeScript web app for PPE inventory using RFID. Built new UIs, made them responsive, optimized data export algorithms, and migrated legacy jQuery/Bootstrap code. DevOps: Portainer, GitLab, and QEMU VMs. Debian servers—configured networking and system services. Implemented Docker containerization. Deployed MQTT for printing, developed C# print plugins, maintained Android app for Orca terminals, and integrated stationary/handheld RFID readers with C# services (parsing binary to JSON).

Developed client apps: a B2B cement materials portal and an internal emergency alert system. Built with React/TypeScript, React Hook Forms, Redux+RTK Query, and React Router 7. Implemented i18n/Weblate localization, MUI responsive layouts, Django REST integration, JWT auth via HTTP Ky, and Vite builds. Optimized via lazy-loading, chunking, and batching. Configured ESLint, managed private npm registry in GitLab, audited dependencies. Followed GitFlow, Agile sprints, and conducted tech interviews.

3 years of system administration. Then Frontend Developer at Dermatology.ru. Integrated React components into a legacy PHP site, refactored jQuery/Bootstrap code, and delivered new features. Handled backend integrations, Zoom API, CRM support. Deployed virtual Debian servers, managed domains and DNS. Stack: PHP, JavaScript, React, jQuery, Bootstrap, Debian, WinSCP, Putty.