Results-driven frontend developer with 3+ years of professional experience building responsive web applications and e-commerce platforms. Specialized in modern JavaScript frameworks (Svelte, React, TypeScript) with a strong foundation in component-driven development. Proven track record delivering 20+ production webshops in the Dutch restaurant industry. Background in architecture brings exceptional attention to detail and project management skills to technical work. Seeking opportunities to build scalable, user-focused web applications.

Nikolas Kotsikos

Results-driven frontend developer with 3+ years of professional experience building responsive web applications and e-commerce platforms. Specialized in modern JavaScript frameworks (Svelte, React, TypeScript) with a strong foundation in component-driven development. Proven track record delivering 20+ production webshops in the Dutch restaurant industry. Background in architecture brings exceptional attention to detail and project management skills to technical work. Seeking opportunities to build scalable, user-focused web applications.

Available to hire

Results-driven frontend developer with 3+ years of professional experience building responsive web applications and e-commerce platforms. Specialized in modern JavaScript frameworks (Svelte, React, TypeScript) with a strong foundation in component-driven development. Proven track record delivering 20+ production webshops in the Dutch restaurant industry. Background in architecture brings exceptional attention to detail and project management skills to technical work. Seeking opportunities to build scalable, user-focused web applications.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Beginner

Language

Greek, Modern
Fluent
English
Fluent
Dutch
Intermediate
German
Beginner
Spanish; Castilian
Beginner

Work Experience

Front-end Developer at Meta-Skills
August 1, 2024 - Present
Designed and built responsive frontend components for Meta-Skills’s website, improving user engagement by implementing modern UI patterns. Led UX/UI design and prototyping in Figma for the company’s proprietary web application, collaborating with product team. Developed type-safe Svelte/SvelteKit components in TypeScript, reducing bug reports by implementing strict typing standards. Implemented visual regression testing using svelte-csf in Storybook, ensuring component consistency across releases.
Market Integration & Skill Enhancement
July 1, 2024 - October 2, 2025
Invested in Dutch language proficiency (achieved B1 level) to strengthen position in the Dutch job market and improve team collaboration. Explored opportunities in the Dutch tech sector while modernizing technical stack knowledge (TypeScript, Svelte, component-driven development).
Front-end Developer at SIDES Benelux
December 1, 2023 - October 2, 2025
Front-end development of webshops, mobile apps and self order terminals in HTML/PHTML, SASS & JQuery for clients in the restaurant industry. Deployment, code review and merging. Delivered 15+ webshop frontends for restaurant clients including major chains, consistently meeting 2-week sprint cycles. Reduced mobile checkout abandonment by 25% through responsive design improvements.
Front-end Developer at Online Drumles
February 1, 2022 - October 2, 2025
Front-end development of the Onlinedrumles educational platform in HTML/PHTML, CSS & JavaScript. Optimized platform load time by 35% through CSS refactoring and JavaScript optimization. Custom widgets creation in PHP. Maintenance, updating and modification of WordPress plugins for the live webshop.
Architect, Co-owner at K+K Architects
January 1, 2018 - October 2, 2025
Successfully managed and delivered 20+ architectural projects from concept to completion, developing strong project management and client communication skills now applied to development work.

Education

Full Stack Web Developer Diploma at Code Institute Dublin, Ireland
January 1, 2020 - January 1, 2021
M.Sc. Architecture Ecological & Sustainable Design at South Bank University, London, England
January 1, 2002 - January 1, 2004
B.A. & P.G. Dip. in Architecture at South Bank University, London, England
January 1, 1997 - January 1, 2002

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Retail, Education, Media & Entertainment, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Beginner