Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I'm Klaidas Vyšniauskas, a 23-year-old Informatics Sciences student at Vilnius Tech. I have four years of hands-on experience in full-stack web development and a strong focus on cybersecurity. I've built and maintained e-commerce platforms, conducted penetration testing on self-developed systems, and I enjoy turning complex problems into clean, secure code. I'm CompTIA Security+ certified and always eager to learn the latest web technologies and security practices.…Hi, I'm Klaidas Vyšniauskas, a 23-year-old Informatics Sciences student at Vilnius Tech. I have four years of hands-on experience in full-stack web development and a strong focus on cybersecurity. I've built and maintained e-commerce platforms, conducted penetration testing on self-developed systems, and I enjoy turning complex problems into clean, secure code. I'm CompTIA Security+ certified and always eager to learn the latest web technologies and security practices.

Klaidas Vyšniauskas

Web Developer, Front-End Developer, Back-End Developer, +1





Hi, I'm Klaidas Vyšniauskas, a 23-year-old Informatics Sciences student at Vilnius Tech. I have four years of hands-on experience in full-stack web development and a strong focus on cybersecurity. I've built and maintained e-commerce platforms, conducted penetration testing on self-developed systems, and I enjoy turning complex problems into clean, secure code. I'm CompTIA Security+ certified and always eager to learn the latest web technologies and security practices.…Hi, I'm Klaidas Vyšniauskas, a 23-year-old Informatics Sciences student at Vilnius Tech. I have four years of hands-on experience in full-stack web development and a strong focus on cybersecurity. I've built and maintained e-commerce platforms, conducted penetration testing on self-developed systems, and I enjoy turning complex problems into clean, secure code. I'm CompTIA Security+ certified and always eager to learn the latest web technologies and security practices.

Available to hire

Hi, I’m Klaidas Vyšniauskas, a 23-year-old Informatics Sciences student at Vilnius Tech. I have four years of hands-on experience in full-stack web development and a strong focus on cybersecurity.

I’ve built and maintained e-commerce platforms, conducted penetration testing on self-developed systems, and I enjoy turning complex problems into clean, secure code. I’m CompTIA Security+ certified and always eager to learn the latest web technologies and security practices.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Advanced

Lithuanian

Fluent

French

Intermediate

Work Experience

Web Developer at UAB Dianos linija

February 1, 2023 - Present

Built the company’s e-commerce platform from scratch using Next.js and TypeScript. Backend used Node.js and Firebase; integrated third-party services like Meta Pixel and Paysera. Published the site, ensured ongoing maintenance and updates, and improved performance and user experience over time.

Bolt Courier at Bolt Services LT, UAB

December 1, 2021 - June 1, 2022

Food delivery from restaurants to customers.

WordPress Website Manager at UAB Munitus

January 1, 2021 - September 1, 2024

Website maintenance, optimization, blog uploads, custom code changes, and manual backups.

Warehouse Worker / Courier at UAB Dianos linija

January 1, 2020 - February 1, 2024

Registered and sent parcels via Lithuania Post or self-service terminals (OMNIVA, LP EXPRESS, etc.).