**Alexandr Katsay**
katsay.alexandr@gmail.com | +1 (646) 867-5682 | New York, NY
linkedin.com/in/alexandr-katsay | alexandrkatsay.com | github.com/akatsay

### **Skills**
**Languages:** JavaScript, TypeScript, Python, Java, Bash, PHP, HTML, CSS, SQL
**Frontend:** React.js, Next.js, Marko.js, jQuery, Redux, React Native, React Query, Apollo, MUI, SCSS/SASS, Tailwind, Bootstrap
**Backend:** Node.js, Express, Nest.js, GraphQL, REST APIs, WebSocket, HTTP, JSON, AJAX, Postman
**Databases:** MongoDB, MySQL, PostgreSQL, Oracle, TypeORM, Strapi.js, Contentful
**DevOps & Cloud:** Git, GitHub Actions, Jenkins, Linux, Docker, Kubernetes, AWS
**Teamwork:** Jira, Bitbucket, ESLint, Code Review, Mentorship, Agile, Scrum, Kanban

### **Experience**
**Frontend Web Developer** | International Child Art Foundation | 2023–Present
- Built Next.js app ([myfavoritesport.org](https://myfavoritesport.org)) for young artists, improving workflow efficiency.
- Developed reusable React components, reducing dev time by 20% and boosting maintainability by 15%.
- Ensured WCAG compliance, increasing user satisfaction by 10% and reducing accessibility-related issues.
- Translated Figma designs into responsive UIs using Tailwind.css.

**Full Stack Engineer** | Universal Video Instructional Interface | 2023–2024
- Developed INSINC, a video survey app automating campaign workflows.
- Integrated OpenAI API and AWS SDK for real-time analytics.
- Optimized data caching, cutting network bandwidth by 50%.
- Configured AWS CloudFront for global asset delivery.
- Improved FCP/LCP by 20% via lazy loading and dynamic imports.

**Full Stack Engineer** | Parfum Leader | 2020–2023
- Built internal PWA for retail price tag generation, speeding up operations by 30%.
- Enhanced call center efficiency with a web app, reducing service time by 1.5 minutes.
- Optimized REST APIs, driving a 10% sales increase via online marketplaces.
- Unified auth using AWS Cognito, reducing login issues by 20%.
- Implemented client-side caching, slashing network load by 90% and TTI to 3s.

### **Education**
- **Borough of Manhattan CC** | AAS, Computer Information Systems
- **Dostoevsky Omsk State University** | BA, Digital Marketing

### **Certifications**
- AWS Certified Practitioner
- Advanced React (Meta)
- Responsive Web Design (FreeCodeCamp)
- JavaScript Algorithms & Data Structures (FreeCodeCamp)

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