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Artem Novoselov

@artemnovoselov

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I build high-performing React and Next.js products that improve conversion, speed, and delivery.

Armenia

Message

I've led frontend product development at 326 labs and systeme, turning business requirements into production features for a digital marketing platform with 100,000+ clients.

At systeme, I owned a Google Spreadsheets API integration adopted by 20% of B2B users in four months, increased new-user conversion to purchase by 10%, and raised mobile content-page performance from 44 to 80 through server rendering.

I've also built a B2B MVP for versta, migrated an application to Kubernetes, and mentored 100+ learners in JavaScript and React from their first function to a full app.

Experience

Work history, roles, and key accomplishments

Frontend Developer

326 Labs

Mar 2025 - Aug 2026 (1 year 5 months)

Led development of a new product, reduced reports' loading speed by 2, redesigned client's dashboard, and introduced Claude Code into the development workflow.

React Next.js TypeScript Tailwind Claude Code Dashboard Design Performance Optimization

Frontend Mentor

HTML Academy

Jun 2023 - Jul 2025 (2 years 1 month)

Mentored and provided code reviews for groups of students in JavaScript and React courses, and led university courses for groups of 20 students.

JavaScript React Code Review Mentorship Teaching

Frontend Developer to Frontend Team Lead

Systeme

Oct 2023 - Mar 2025 (1 year 5 months)

Owned internal service integration with Google Spreadsheets API end-to-end, increased new user conversion by 10%, improved mobile performance from 44 to 80, and reduced time-to-market.

Google Sheets API React Next.js Server Side Rendering Accessibility Performance Optimization Team Leadership

Frontend Developer

Bejamas

Jun 2023 - Aug 2023 (2 months)

Enhanced and maintained two websites for European and Japanese clients in collaboration with a distributed team across four time zones.

React Next.js Cross Functional Collaboration Web Development

Fullstack Developer

Versta

May 2021 - May 2023 (2 years)

Developed a B2B MVP web service from scratch, migrated the app to Kubernetes, shipped a commercial feature learning React.js, and implemented WebSocket-based updates.

React NodeJS Kubernetes WebSockets B2B MVP Development CI CD