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Hi, I’m Denis Holc, a multilingual full-stack developer with a passion for building robust, scalable web apps and automating marketing workflows. I enjoy turning complex requirements into clean, maintainable code using modern stacks like React, Next.js, and Node.js, and I also specialize in marketing automation and AI-powered processes. In addition to coding, I love collaborating across teams, solving problems creatively, and delivering user-friendly solutions in multiple languages. I bring experience with WordPress, HubSpot, ActiveCampaign, and CRM-driven workflows to help teams ship faster and more efficiently.…Hi, I’m Denis Holc, a multilingual full-stack developer with a passion for building robust, scalable web apps and automating marketing workflows. I enjoy turning complex requirements into clean, maintainable code using modern stacks like React, Next.js, and Node.js, and I also specialize in marketing automation and AI-powered processes. In addition to coding, I love collaborating across teams, solving problems creatively, and delivering user-friendly solutions in multiple languages. I bring experience with WordPress, HubSpot, ActiveCampaign, and CRM-driven workflows to help teams ship faster and more efficiently.

Denis Holc

Web Developer, Programmer, AI Engineer, +5

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Hi, I’m Denis Holc, a multilingual full-stack developer with a passion for building robust, scalable web apps and automating marketing workflows. I enjoy turning complex requirements into clean, maintainable code using modern stacks like React, Next.js, and Node.js, and I also specialize in marketing automation and AI-powered processes. In addition to coding, I love collaborating across teams, solving problems creatively, and delivering user-friendly solutions in multiple languages. I bring experience with WordPress, HubSpot, ActiveCampaign, and CRM-driven workflows to help teams ship faster and more efficiently.…Hi, I’m Denis Holc, a multilingual full-stack developer with a passion for building robust, scalable web apps and automating marketing workflows. I enjoy turning complex requirements into clean, maintainable code using modern stacks like React, Next.js, and Node.js, and I also specialize in marketing automation and AI-powered processes. In addition to coding, I love collaborating across teams, solving problems creatively, and delivering user-friendly solutions in multiple languages. I bring experience with WordPress, HubSpot, ActiveCampaign, and CRM-driven workflows to help teams ship faster and more efficiently.

Available to hire

Hi, I’m Denis Holc, a multilingual full-stack developer with a passion for building robust, scalable web apps and automating marketing workflows. I enjoy turning complex requirements into clean, maintainable code using modern stacks like React, Next.js, and Node.js, and I also specialize in marketing automation and AI-powered processes.

In addition to coding, I love collaborating across teams, solving problems creatively, and delivering user-friendly solutions in multiple languages. I bring experience with WordPress, HubSpot, ActiveCampaign, and CRM-driven workflows to help teams ship faster and more efficiently.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

German

Fluent

Croatian

Advanced

Spanish; Castilian

Intermediate

Work Experience

Freelance Web Developer at Self-employed

March 1, 2023 - Present

Design and development of responsive websites for small businesses and individuals; integration of AI agents and automation; WordPress customization; marketing automation with HubSpot and ActiveCampaign; multi-agent KI systems (chatbots, business intelligence).

Junior Inventory Controller at MyTheresa GmbH

November 1, 2017 - January 1, 2020

ERP system (Microsoft Dynamics NAV); customer service; returns support; inventory management; master data maintenance; international shipments.

Kommisionier / Order Picker at Nagel Group

January 1, 2015 - July 1, 2016

Order picking; returns processing; master data maintenance.

Kundendienst / Customer Service at Henkel d.o.o.

June 1, 2011 - November 1, 2014

Customer consulting; order processing; scheduling; forwarding inquiries.

Freelance Web Developer & Marketing Automation Specialist at Self-employed

March 20, 2023 - Present

Freelance development of responsive websites and web apps using HTML, CSS, JavaScript, React, Next.js, and Node.js. Implemented marketing automation and AI-assisted features with HubSpot, ActiveCampaign, and integration of AI agents; built WordPress sites and custom plugins; created responsive UI, and implemented multi-language support.