Maria Kasianova

Experience

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  EPAM Systems

  Jan 2018 - Sept 2021

  Software Engineer

  Project Digital Bank• Orchestrated the transformation of the system architecture to a Single Page Application (SPA) and microservices on the back-end, seamlessly supporting over 12 million daily users.• Developed and deployed key features using React, Redux, and styled-components, utilizing Webpack to efficiently bundle and manage modules, while incorporating robust front-end encryption.• Designed and validated component tests, achieving an 85% coverage rate to ensure system integrity and reliability.• Redesigned UI components to include adaptive layouts and light/dark themes, integrated Google Analytics.• Build a UI-kit of reusable components for easy project integration, documented in Storybook for reference.• Enhanced accessibility compliance by 80% by implementing WCAG 2.1 standards.• Mentored new team members, steered code reviews, addressed bug fixes, provided crucial release/post-release support, and conducted feature demonstrations for clients, effectively contributing to $1.6 million in revenue.Project Web Portal for Credit Exchange• Restructured the online loan aggregator platform from a client-side React Single Page Application to server-side rendering with Next.js, boosting traffic by 60% through enhanced SEO capabilities.• Engineered and implemented new features that enhanced user engagement for loan and mortgage services by 20%. Show less

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  The Rolling Scopes School

  Oct 2020 - Sept 2021

  Mentor in Front-end course

  RS school - free online educational platform for beginners in IT. I was mentoring students on Front-end and React courses. I performed code reviews, explained best coding practices, answered students' questions, interviewed them, and graded their work.

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  OnTarget Labs Latvia

  Sept 2021 - Sept 2023

  Senior Software Engineer

  Project PMC Analytics - Platform for Derivative Portfolio Management (serving 1,100 companies and financial sponsors)• Engineered and streamlined risk management systems, significantly enhancing the efficiency of analyzing and visualizing financial datasets larger than 70 GB using chart.js, d3, React table, AG Grid, Bootstrap.• Re-architected the technology stack by migrating legacy PHP/JavaScript to advanced React and Redux frameworks, integrated seamlessly with a Python (Django) backend through REST API.• Optimized page load times by 70%, substantially boosting overall site performance by 40%.Project Netsertive - Platform for Digital Marketing Solutions (assisting 1,500 customers worldwide)• Developed and customized advertisement platform widgets, adding new features to scale efficient, localized marketing campaigns using React and Angular, ultimately enhancing performance by 30%.• Directed collaborative efforts with UI/UX designers and business analysts to tailor widget functionality to user needs and strategic objectives, ensuring quality enhancements with QA engineers.• Implemented custom logging in widgets to track user engagement metrics like clicks, impressions, and other relevant analytics, enabling detailed report generation for tailored campaign insights.• Built features that drove a 25% increase in user engagement and expanded the client base by 10% through the implementation of innovative features and widgets, utilizing API integration and advanced CSS animations. Show less