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I'm Krisztian Mark, a versatile software developer focused on web applications, image and video processing, and building robust systems. I enjoy turning complex ideas into clean, maintainable code and learning new technologies along the way. Based in Satu Mare, Romania, I collaborate well with cross-functional teams and love helping clients by delivering reliable solutions, from responsive websites to data-driven tools.…I'm Krisztian Mark, a versatile software developer focused on web applications, image and video processing, and building robust systems. I enjoy turning complex ideas into clean, maintainable code and learning new technologies along the way. Based in Satu Mare, Romania, I collaborate well with cross-functional teams and love helping clients by delivering reliable solutions, from responsive websites to data-driven tools.

Krisztian Mark

Developer, Web Developer, QA Engineer, +5

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I'm Krisztian Mark, a versatile software developer focused on web applications, image and video processing, and building robust systems. I enjoy turning complex ideas into clean, maintainable code and learning new technologies along the way. Based in Satu Mare, Romania, I collaborate well with cross-functional teams and love helping clients by delivering reliable solutions, from responsive websites to data-driven tools.…I'm Krisztian Mark, a versatile software developer focused on web applications, image and video processing, and building robust systems. I enjoy turning complex ideas into clean, maintainable code and learning new technologies along the way. Based in Satu Mare, Romania, I collaborate well with cross-functional teams and love helping clients by delivering reliable solutions, from responsive websites to data-driven tools.

Available to hire

I’m Krisztian Mark, a versatile software developer focused on web applications, image and video processing, and building robust systems. I enjoy turning complex ideas into clean, maintainable code and learning new technologies along the way.

Based in Satu Mare, Romania, I collaborate well with cross-functional teams and love helping clients by delivering reliable solutions, from responsive websites to data-driven tools.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Romanian, Moldavian, Moldovan

Fluent

English

Advanced

Hungarian

Advanced

Work Experience

Software Developer at IT Digital Group KFT

February 1, 2023 - October 3, 2025

Developed web applications focusing on image and video processing and extracting information from multimedia content. Tested web applications, identified issues, and resolved them. Developed websites and customized them for personal preferences using three.js to create 3D models.

Photo/Video Editor at Delphino Evenimente

February 1, 2022 - October 3, 2025

Participated in multiple projects; developed and optimized websites built with WordPress, Shopify, and Webflow; created and tested Windows and web applications; assisted with form filtering, creation, loading, and editing; supported new hires and client communications; managed ticketing systems for bug reporting and follow-up.

Seller, Tester, System Administrator at Smart Diesel

June 1, 2019 - October 3, 2025

Sales, testing, and system administration tasks; involved in calculating salaries and booking them; developed TikTok e as a web application; built, modified, and optimized websites using WordPress, Shopify, and Webflow; supported customer relations and secure operations.

Full-Stack Developer at WP Simply Digital KFT

August 1, 2024 - Present

Currently developing own systems; linked databases; listed, searched, edited, and deleted clients and employees; added form filtering, creation, loading, and editing; contributed to hiring and onboarding; redesigned login interface and authentication; expanded administrative systems and created new roles.

Software Developer at IT Digital Group.KFT

February 28, 2023 - October 9, 2025

Developed web applications focusing on image and video processing, testing and debugging, and extracting information from multimedia content. Tested and resolved issues in web applications; customized websites for individual preferences; used three.js to build and customize 3D models.

PHP Web Developer at Medicover

August 31, 2023 - October 9, 2025

Main tasks included further development of the internal system; linking databases; listing, searching, editing and deleting clients and employees; form filtering; creation, loading and editing data; assisting with hiring new colleagues; redesign of login interface; modification of authentication systems.

Full-Stack Developer at WP Simply Digital KFT

August 1, 2024 - Present

Developed web applications using Angular, MongoDB and Node.js APIs; expanded admin systems and created new features; implemented secure, reliable operations; performed testing and debugging; contributed to degree project "Web fit" which utilized Angular, MongoDB and Node.js API technologies.

Smart Diesel Seller, Tester, System Administrator

June 1, 2019 - October 9, 2025

Participated in multiple group projects; assisted with building and testing web-related solutions; explored WordPress, Shopify, and Webflow for site development; contributed to creating custom systems and improving operations.

Photo/Video Editor at Delfino Eventime

February 1, 2022 - October 9, 2025

Edited photos and videos, produced media assets, and supported media workflows.

Software Developer at IT Digital Group.KFT

February 1, 2023 - October 9, 2025

Developed web applications focusing on image and video processing; extracted information from multimedia content; tested and debugged web apps; built websites and customized them using three.js for 3D features.

PHP Web Developer at Medicover

August 1, 2023 - October 9, 2025

Further development of internal systems; linked databases and displayed contents in tables; implemented listing, searching, editing, and deleting of clients and employees; enabled form filtering, creation, loading, and editing; redesigned login interface and authentication; expanded administrative system and created new roles.

Full-Stack Developer at Wpsimply Digital KGFT

August 1, 2024 - Present

Working on a full-stack web platform; utilized Angular, MongoDB, Node.js and related technologies; contributed to building and expanding a project named 'Web fit' that supports healthy eating and exercise tracking.