Roman Marchenko
Senior Frontend Developer @Alfa-Bank
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WORK HISTORY
Senior Frontend Developer @Alfa-Bank
Description:During my tenure at Alfa-Bank, I contributed to three major projects within a cross-functional team,focusing on enhancing user security, payments, and compliance functionality across variousbanking services.Alfa-ID Single Sign-On:Developed the UI for Alfa-Bank’s primary authentication system, which supported 25million users and 6 million daily logins. Key contributions included: Writing clean, reliable TypeScript for a React/Redux/Node.js environment. Implementing secure authentication using JWT, passkey, USB-tokens. Building a robust architecture with RTK-Query. Setting up CI/CD with Docker, Kubernetes, and Jenkins. Ensuring full test coverage with Jest, Cypress, and RTL.Incomplete Payments:Focused on improving the bank’s payment feed by integrating a micro-frontend architecture.Contributions included: Refactoring TypeScript code for maintainability. Implementing test coverage with Jest and Cypress. Integrating monitoring tools (SonarCube, Prometheus). Conducting A/B tests and UI research to optimize user experience.Compliance Blockings:Developed a library for compliance notifications to warn users about potential transactionblocks: Created a modular library for easy integration across applications. Coordinated with cross-functional teams on schedule alignment. Conducted code reviews, resolved interface issues, and coordinated support tasks forreleases.This role highlights my expertise in secure and scalable banking solutions with a strong emphasison UX, security, and compliance in high-stakes environments.
EDUCATION
Sevastopol National University of Nuclear Energy and Industry
Master's degree, Automation of Nuclear Power Engineering
ABOUT ROMAN MARCHENKO
Senior FE / Full-stack developer. Open for a short-term long term. React + infra + AI…
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