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Avtandil Saparov

@avtandilsaparov

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Senior Frontend Developer at ING Bank who built its Payments & Transfers module from scratch.

Poland

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At ING Bank, I led four engineers in designing and delivering the Payments & Transfers module from scratch, owning its architecture, development, and releases. I also improved test coverage to 85% and reduced regression bugs by 40%.

At Siemens, I decomposed a monolithic React application into microfrontends and developed real-time telemetry dashboards for industrial systems. I’m a WorldSkills International Champion 2019 in UI Design and Development.

Experience

Work history, roles, and key accomplishments

Current

Senior Frontend & FullStack Developer

Current

ING Bank

Sep 2022 - Present (4 years 2 months)

Led a team of 4 engineers in designing and delivering the Payments & Transfers module for internet banking, owning architecture, development, and releases. Reduced regression bugs by 40%, improved Core Web Vitals, and scaled a shared component library across 5 teams.

JavaScript TypeScript React NodeJS Jest RTL Playwright Storybook RsBuild Webpack RBAC OWASP GitHub Co Pilot AI Web Performance Core Web Vitals

Frontend Developer

Siemens

Mar 2020 - Aug 2022 (2 years 5 months)

Decomposed a monolithic React application into microfrontends using Module Federation and FSD, and optimized real-time telemetry processing with Web Workers. Developed high-performance visualizations with D3.js and Canvas, and migrated legacy HMI applications to TypeScript and Next.js.