ALEXEI CRUDU
Chisinau
Summary
Senior Front-End Developer with 6+ years of experience building high-performance web applications using React, TypeScript, Angular, and Next.js. Proven track record of reducing page load times by 50% and leading cross-functional teams of 4+ developers. Expertise in full-stack development, performance optimization, and scalable architecture serving 100K+ users daily.
Overview
7
7
years of professional experience
Work History
Senior Front-End Engineer
Data Directs
05.2023 - Current
- Architected high-performance web applications serving 100K+ daily users, achieving 98 Lighthouse performance score through advanced optimization techniques.
- Reduced page load times by 50% via implementing code splitting, lazy loading, and modern bundling strategies, improving user engagement by 35%.
- Led automated testing implementation increasing code coverage from 45% to 85%, reducing production bugs by 60% and deployment time by 40%.
- Developed single-page applications using Next.js, Redux, and TypeScript, enabling seamless user experiences across 15+ company resource modules.
- Mentored development team on React best practices and TypeScript adoption, improving team productivity by 25%.
- Integrated accessibility features adhering to WCAG standards, elevating inclusivity and usability for diverse user groups across critical websites.
Sr. Front-End Developer (Team Lead)
Pixieset
Chisinau
10.2021 - 05.2023
- Spearheaded theme development team through complete product lifecycle, managing 4+ developers and ensuring on-time delivery of 12+ major releases.
- Pioneered website design tool development using React, generating static websites with 99.9% uptime and serving 50K+ active users monthly.
- Established design system consistency across 25+ web properties, reducing development time by 30% and maintaining unified brand experience.
- Onboarded 4 new team members with comprehensive mentorship program, achieving 100% retention rate and 40% faster ramp-up time.
- Facilitated developer experience improvements through workshops and process optimization, increasing team satisfaction scores by 45%.
- Integrated accessibility best practices into core products, expanding user reach while ensuring compliance with industry standards and enhancing overall product usability.
Software Developer
Amdaris
Chisinau
09.2020 - 10.2021
- Built scalable React applications using TypeScript, GraphQL, and Apollo, supporting 500K+ concurrent users with 99.5% uptime.
- Developed RESTful and GraphQL APIs in Java Spring with MongoDB integration, processing 1M+ daily transactions.
- Collaborated with Product team on requirements analysis and UX optimization, improving user conversion rates by 28%.
- Implemented comprehensive testing strategy using JUnit 5 and Storybook, achieving 90% test coverage.
Front-End Developer
Codwer
Chisinau
05.2019 - 09.2020
- Led inventory management application development using Angular 9 and .NET Core, managing $2M+ inventory daily.
- Assumed technical leadership role facilitating client communication and sprint planning for 6-person development team.
- Designed and implemented responsive UI/UX using Angular, PrimeNG, and SASS, achieving 95% user satisfaction rating.
- Optimized application performance reducing data processing time by 45% through efficient component architecture.
- Maintained 95% code quality through automated testing, code reviews, and documentation standards.
Front-End Developer
Insomniac Design
Chisinau
10.2018 - 05.2019
- Delivered pixel-perfect UI implementations for 20+ client projects, achieving 100% design-to-code accuracy.
- Ensured cross-browser compatibility across Chrome, Firefox, Safari, and Edge, supporting 99% of target audience.
- Optimized user experience through rigorous cross-device testing, improving mobile conversion rates by 32%.
Front-End Developer (Contract)
IT-CONS
Oradea
04.2018 - 10.2018
- Implemented WordPress solutions for 15+ client websites, customizing themes and plugins for specific business needs.
- Created the company website from scratch using WordPress.
- Created a company time tracking tool using React & Node.js.
- Engineered a custom dashboard with data visualization features, employing JavaScript frameworks to automate status reporting and streamline project tracking across teams.
Education
Bachelor - Linguistics
University of the Academy of Sciences of Moldova
Chisinau, Moldova01.2017
High School Diploma -
Gaudeamus High School
Chisinau05.2013
Skills
- Reactjs
- Nextjs
- Angular
- Playwright
- Cypress
- Vuejs
- Zustand
- React Query
- Redux
- TypeScript
- JavaScript (ES6)
- HTML5
- CSS3
- SASS/SCSS
- Tailwind CSS
- Responsive Design
- Progressive Web Apps (PWAs)
- Git and GitHub
- Docker
- Jenkins
- Bamboo DevOps
- Webpack
- Storybook
- Jest
- React Testing Library
- Cross-browser compatibility
- Java Spring
- NET Core
- GraphQL
- RESTful APIs
- MongoDB
- Laravel
Websites
Languages
- English, Fluent
- Romanian, Native
- Russian, Fluent
- Ukrainian, Conversational
Languages
Romanian
First Language
English
Advanced (C1)
C1
Russian
Advanced (C1)
C1
Ukrainian
Elementary (A2)
A2
Timeline
Senior Front-End Engineer
Data Directs
05.2023 - Current
Sr. Front-End Developer (Team Lead)
Pixieset
10.2021 - 05.2023
Software Developer
Amdaris
09.2020 - 10.2021
Front-End Developer
Codwer
05.2019 - 09.2020
Front-End Developer
Insomniac Design
10.2018 - 05.2019
Front-End Developer (Contract)
IT-CONS
04.2018 - 10.2018
Bachelor - Linguistics
University of the Academy of Sciences of Moldova
High School Diploma -
Gaudeamus High School
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