Dani Boycov
@daniboycov
Frontend developer specializing in high-performance React and Svelte applications.
What I'm looking for
I am an experienced frontend developer with 5+ years building high-performance web applications using JavaScript/TypeScript, React, Next.js, and Svelte. I focus on clean code, performance optimization, and modernizing legacy code while collaborating effectively with backend teams.
At prodexa GmbH I improved UI performance by 30% through lazy loading, memoization, and code-splitting, modernized legacy components to hooks and Svelte to reduce bundle size by 15%, and mentored interns to cut onboarding time by 40%.
My background includes FinTech and PIM/PXM systems, strong backend integration experience with Java/Spring Boot and RESTful APIs, and a commitment to testing, maintainability, and remote collaboration.
Experience
Work history, roles, and key accomplishments
Frontend Developer
prodexa GmbH
May 2021 - May 2025 (4 years)
Developed and optimized a PIM/PXM system using React, Next and Svelte, improving UI performance by 30% and reducing frontend-backend latency by 20% through API integration. Modernized legacy React components to hooks and Svelte, cutting bundle size by 15% and mentored interns to reduce onboarding time by 40%.
Java Developer
COMPIT
Jan 2020 - May 2021 (1 year 4 months)
Developed FinTech services with Java 8 and Spring Boot, optimized SQL queries to speed response times by 20% and implemented REST APIs and pagination/caching to improve data fetch efficiency by 40%. Achieved full test coverage using JUnit and TestContainers.
Education
Degrees, certifications, and relevant coursework
Udemy / Coursera
Coursework / Certificates, Advanced JavaScript & React
2020 - 2021
Completed advanced courses in JavaScript and React focused on modern front-end development and best practices.
Harvard University (edX)
Course Certificate, Web Programming
2020 - 2020
Completed CS50's Web Programming course covering web frameworks, databases, and front-end/back-end integration.
IT-Academy
Certificate, Java Enterprise Development
2018 - 2019
Completed a Java Enterprise Development program covering Java, Spring, and enterprise application design.
Belarusian State University
Master's in Economy, Economics
2011 - 2017
Completed a Master's degree in Economy focusing on economic theory and quantitative analysis.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Social media
Job categories
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