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Snizhana I., Front End Engineer
Snizhana I.
Czech Republic (UTC+01:00)
Created AtUpstaffer since February 27, 2025

Snizhana I. — Front End Engineer

Expertise in Front-End Web (6.0 yr.), React Developer.

Last verified on April 04, 2025

Bio Summary

- 6+ years of experience as a Front-End Engineer, specializing in web application development with Next.js, TypeScript, and JavaScript; - 3+ years of experience with React; - 2+ years of experience with Angular; - UI/UX: Expertise in building interactive and responsive user interfaces with Tailwind CSS, Material-UI, and Styled Components; - State Management: Proficient in Redux, Zustand, and React Context API; API Integration: Hands-on experience with REST API and GraphQL for data fetching and processing; - Testing: Writing unit and integration tests using Jest and React Testing Library; - Methodologies: Agile, Scrum, code reviews, and CI/CD processes; - Experience working on e-commerce, SaaS, and fintech projects within international teams; - Strong focus on performance optimization, user experience improvements, and close collaboration with backend developers.

Technical Skills

Programming Languages JavaScript, TypeScript
JavaScript Frameworks Angular, jQuery, Node.js, React
UI Frameworks, Libraries, and Browsers Angular Material UI, Bootstrap 4, jQuery, LESS, Pug, SASS, Tailwind CSS
JavaScript Libraries and Tools Grunt, Gulp-Less, i18next, NgRx, Redux-Saga, RxJs, Webpack
Adobe Experience Manager (AEM) AEM
Platforms AEM, SharePoint
Methodologies, Paradigms and Patterns Agile
Collaboration, Task & Issue Tracking Asana, Atlassian Trello, Jira
UI/UX/Wireframing Figma, InVision
Deployment, CI/CD & Administration GitLab CI
QA, Test Automation, Security Postman
Project Management & Administration Project Management

Work Experience

Sr. Front EndEngineer, Trinetix

Duration: Jun 2021 – Jul 2024

Summary: Technology company.

Responsibilities:

  • Custom Web Applications: Developed applications for efficient team collaboration and streamlined workflows, enabling high-level project management.
  • Web Portal Creation Features: Enabled the development of tailored web portals for corporate needs, improving content accessibility and user experience.
  • Advanced Search Modules: Created advanced document and information search modules, allowing users to quickly and accurately retrieve critical data across the platform.

Achieved a 60% reduction in UI defect rates by implementing Agile practices, calculated through JIRA log analysis over 6 months.

Enhanced build speed by 30% by optimizing CI/CD processes, based on build time tracking before and after improvements.

Developed and implemented over 1,000 unit tests, reducing defect rates and improving product reliability, as shown by results from automated testing.

Technologies: UI, React, TypeScript, JavaScript, Gulp, Jest, SharePoint.

Front End Engineer, CREAVI

Duration: Nov 2020 – May 2021

Summary: Software development company.

Responsibilities:

  • Migrated approximately 10% of the outdated payment/order processing system from Angular 6 to Angular 9, ensuring enhanced performance and maintainability.
  • Amplified user interaction tracking within the application by a factor of five, resulting in a 25% increase in data accuracy and driving customer engagement up by 10% through targeted analytics and interface design improvements.

Technologies: UI, Angular 9, TypeScript, Redux.

Front End Engineer to UI Lead, Finance portal

Duration: Aug 2018 – Mar 2020

Summary: Finance portal.

Responsibilities: Spearheaded a comprehensive internationalization and localization initiative completed in just three months, achieving support for over 50 countries while delivering translations into 45 languages to enhance user accessibility across diverse markets.

Technologies: UI, Angular 2 - 8, TypeScript, React, NgRX, JavaScript, Pug.

Front End Engineer, PlayHub

Duration: Aug 2018 – Mar 2020

Summary: Gaming platform.

Responsibilities:

  • Development of modules for API interaction: Created services for authentication, request handling, and data retrieval from the provider's servers.
  • Data format handling: Processed JSON responses from the API, including data mapping and normalization to integrate with the platform's internal models.
  • Implementation of user-facing functionality: Integrated gaming services into UI modules, including content display, real-time data streaming, and access to user statistics.
  • Migrated a project from scratch from Angular 2 to Angular 6. Integrated i18n localization for over 50 countries and 45 languages.
  • Constructed modular UI components with flexible configurations, streamlining cross-team integration workflows and achieving an average time savings of four hours per week for developers.
  • Broadened the scope of crafted UI features approximately fourfold over 1 year and 5 months.

Technologies: UI, Angular 2 - 6, TypeScript, React, i18n localization

Front End Engineer, Pro Group Consulting

Duration: Mar 2018 – Jul 2018

Summary: IT Consulting project.

Responsibilities:

  • Designed and developed high-converting landing pages for different products, focusing on visually appealing design and intuitive user experience.
  • Created page structures that optimize user interaction, increasing engagement and conversions.

Technologies: UI, JavaScript, jQuery.

Front End Engineer, GreenBalance

Duration: Mar 2017 – Mar 2018

Summary: Beauty marketplace.

Responsibilities: Developed high-conversion landing pages with a focus on user experience.

Self-employed, entrepreneur, Visage-studio

Duration: May 2013 – Mar 2018

Responsibilities:

  • Led a team of three, streamlining workflows to increase project speed by 20% and boost studio productivity.
  • Created a fully functional website utilizing the Joomla CMS framework; optimized site performance through targeted SEO strategies resulting in organic traffic growth from zero to over 2,000 unique visitors per month within six months.

Technologies: Joomla CMS, targeted SEO strategies.

Education

Master's Degree in Law

Sep 2007 – Jul 2012

Certification

Certified Associate in Front-end

Nov 2015 – Apr 2016

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