Matvei Konan

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Software Fullstack Engineer

Fullstack Engineer at XPGraph who shipped X5 Group delivery features and microservices handling 500 RPS.

BelarusSoftware Fullstack Engineer at XPGraph

Experience

Software Fullstack Engineer
Designed and shipped key features for a parcel delivery service with 29m users and 4m orders per month, including nested cargoes overview, pickup point selection, and email notifications on NextJS + TypeScript. Architected 3 microservices on NestJS handling 500 RPS, implemented feature flags, enhanced internal UI library, and resolved tech debt reducing production bugs by 80%.
ReactNext.jsTypeScriptNodeJSNestJSFeature FlagsMicroservicesUI LibrariesTechnical Debt
Frontend Developer
Built and maintained the React-based web platform for a pan-European digital wealth management platform managing £5.3bn+ AUM for 190K+ active investors. Architected a complex multi-step registration flow using Xstate, reducing abandonment by 40%, implemented i18n with multi-currency support, and contributed to an internal UI component library adopted by 7 teams.
ReactTypeScriptXStatei18nStorybookUI Component LibraryGoAPI Integration
Frontend Developer
Sole frontend developer responsible for the full lifecycle of a production monitoring app for steel production on tablet devices. Built the first application on PlasmaUI, developed real-time KPI dashboards, and implemented QR/barcode scanning for equipment-specific data.
ReactTypeScriptPlasmaUIReal time DashboardsBarcode QR ScanningKPI Monitoring
Frontend Developer
Delivered frontend development across multiple client projects in SaaS and e-commerce domains, adapting to different stacks and requirements. Built 10+ internal tools and improved SEO and page load performance, enhancing Core Web Vitals and increasing traffic by 60%.
Frontend DevelopmentSEOCore Web VitalsPerformance OptimizationInternal Tools

Education

Belarusian State University of Informatics and Radioelectronics
Bachelor's degree from the Faculty of Computer-Aided Design at Belarusian State University of Informatics and Radioelectronics, completed in 2020.
Bachelor's degree from the Faculty of Computer-Aided Design at Belarusian State University of Informatics and Radioelectronics, completed in 2020.

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Experience

Software Fullstack Engineer

Designed and shipped key features for a parcel delivery service with 29m users and 4m orders per month, including nested cargoes overview, pickup point selection, and email notifications on NextJS + TypeScript. Architected 3 microservices on NestJS handling 500 RPS, implemented feature flags, enhanced internal UI library, and resolved tech debt reducing production bugs by 80%.

ReactNext.jsTypeScriptNodeJSNestJSFeature FlagsMicroservicesUI LibrariesTechnical Debt

Frontend Developer

Built and maintained the React-based web platform for a pan-European digital wealth management platform managing £5.3bn+ AUM for 190K+ active investors. Architected a complex multi-step registration flow using Xstate, reducing abandonment by 40%, implemented i18n with multi-currency support, and contributed to an internal UI component library adopted by 7 teams.

ReactTypeScriptXStatei18nStorybookUI Component LibraryGoAPI Integration

Frontend Developer

Sole frontend developer responsible for the full lifecycle of a production monitoring app for steel production on tablet devices. Built the first application on PlasmaUI, developed real-time KPI dashboards, and implemented QR/barcode scanning for equipment-specific data.

ReactTypeScriptPlasmaUIReal time DashboardsBarcode QR ScanningKPI Monitoring

Frontend Developer

Delivered frontend development across multiple client projects in SaaS and e-commerce domains, adapting to different stacks and requirements. Built 10+ internal tools and improved SEO and page load performance, enhancing Core Web Vitals and increasing traffic by 60%.

Frontend DevelopmentSEOCore Web VitalsPerformance OptimizationInternal Tools

Education

Belarusian State University of Informatics and Radioelectronics

Bachelor's degree from the Faculty of Computer-Aided Design at Belarusian State University of Informatics and Radioelectronics, completed in 2020.