Kirill Kazakov

About

Frontend Engineer with Full-stack knowledge and 6+ years of experience in product companies. Skilled in developing logic-heavy high-load applications serving thousands of daily users. Equally skilled in creating an MVP within a startup environment and contributing to parts of a large project in collaboration with numerous teams. Always try to improve the code around me and share knowledge with the team, maintaining a balance between improvements and the practical goals of the product.

Experience

• Senior Frontend Engineer · Alfii - SaaS HR startup for UAE04-01-2023

  ● Built a core module for handling ‘Time off’ requests from the frontend side, collaborating with the backend team on design, which became the key point for buying a subscription, according to the user's feedback. ● Created a highly modular frontend architecture, collaborating with an architectural team to streamline the development process, which led to a 2x reduction in the time required to implement new modules (according to feedback from other developers).

• Senior Frontend Engineer · Toptal (Core team) - World's top talent freelance platform05-01-2022 – 04-01-2023

  ● Developed core company pages aligned with SEO and Accessibility metrics with 100k MAU. ● Reduced the crash of the page visual tests by 20% and optimized accessibility metrics by 40%. ● Developed a ‘proof of concept’ and proposed to the team of architects a way to enhance the loading of the inline styles, resulting in a 20% improvement in the CLS metric.

• Senior Frontend Developer · Beem - Gambling games aggregator startup07-01-2020 – 05-01-2022

  ● Improved core web vitals of the main page by analyzing and optimizing bundle size and image loading logic, resulting in a 2x increase in LCP and FID metrics. ● Created an architecture for multiple admin panels, leading to a 3x reduction in maintenance expenses, and led its implementation. ● Successfully advocated adopting a UI kit that improved design consistency and reduced development and support time. ● Optimized CI build time by 30% by dividing the build pipeline into smaller logical steps and implementing a cache. ● Built the user profile pages from scratch using React, TypeScript, Styled-components

• Frontend Developer · Panoramik - Mobile Gamedev company (top 100 US grossing)05-01-2019 – 07-01-2020

  ● Engineered a game configuration and validation service using React, Redux, JavaScript, an analog of Git for game designers, which led to a 50% reduction in the number of bugs in production and a 70% reduction in testing time. ● Mentored 2 Junior developers, onboarded them, and helped develop an individual growth plan. ● Improved library responsible for uploading game configs to the test server; as a result, the uploading time was reduced from 3 to 1 minute. ● Introduced code linters and unit tests to maintain consistent code across the teams.

• Frontend Developer · Memonews - Leading provider of social media monitoring services10-01-2018 – 05-01-2019

  ● Built data visualization chart components using React, D3 on pages with 10k DAU. ● Fixed data normalization performance, which reduced chart loading time by 0.5 seconds. ● Guided a Junior developer during onboarding.

• Frontend Developer · StepWeb - Software Development Agency02-01-2018 – 10-01-2018

  ● Created the main page of a large SPA for healthcare app ● Developed UI components using for UI kit

Education

• ITMO UniversityBachelor’s degree, Engineering

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