Ben Zatrok

AmberGlass

Founder / Freelance Fullstack Developer

August 2018 - present

Providing technical consulting services to European scale-ups, focusing on technical risk mitigation, growth architecture, and strategic technology decisions that enable sustainable scaling from €3M to €50M+ revenue. Business Risk Mitigation: Conducted comprehensive technical audits for 8+ scale-ups, identifying infrastructure vulnerabilities and architectural debt that could impact funding rounds and customer retention Growth Enablement: Architected scalable solutions that eliminated 70-90% of maintenance overhead, redirecting engineering capacity toward revenue-driving features and competitive differentiation Operational Transformation: Led digital transformations including legacy system migrations, reducing deployment cycles by 50%+ and cutting infrastructure costs by 75% while improving performance Executive Advisory: Provided C-level stakeholders with strategic technical guidance on make-vs-buy decisions, team scaling, and technology investments for sustainable growth Revenue Impact: Accelerated customer acquisition cycles by reducing integration timelines from months to weeks, directly supporting sales velocity and market expansion

Scart Kft.

Fractional CTO via Amberglass

January 2025 - February 2026

At Scart, I led the company's migration from a legacy ecommerce platform to a SaaS solution, architecting and deploying a serverless SAP integration that automated critical operations. This transformation eliminated several redundant systems, significantly reduced costs, and streamlined business processes. Key deliverables: - End-to-end technical architecture and implementation - Stakeholder alignment and communication throughout the project - Hands-on deployment support and system optimization As a Fractional CTO, I provide high-impact technical leadership on a flexible, part-time basis (1-2 days/week), helping growing companies navigate complex technology transformations without the overhead of a full-time executive.

Intershop Communications

Freelance Tech Lead via Amberglass

April 2023 - December 2024

- Engaged in rapid prototyping sessions with internal stakeholders to understand business challenges and assess technical feasibility. - Architected, developed, and supported a .NET multi-tenant search engine API, serving up to 80 separate channels per customer. - Developed a NextJS client dashboard to manage search engine solutions for nearly a dozen customers. - Collaborated with and supported internal and external teams to cut integration times to less than half (from 4 months to under 2). - Gave technical guidance to my client's tech teams as well as clear & concise advice to non-technical stakeholders. - Provided guidance to ops teams on CI/CD & infrastructure setup for a high availability hosting for our solutions in Azure. https://theorg.com/org/intershop/org-chart/ben-zatrok

FirstFocus B.V.

CTO

December 2018 - January 2023

- Reduced development time per project from 2-3 months to under 1 month, by migrating from legacy .NET Framework application to a modern .NET Core. - Successfully delivered several eCommerce projects worth over 100 000 EUR for clients like EkoPlaza and Bouwmaat, through technical leadership and hands on coding. - Cut deployment times by 90% by implementing Azure DevOps’s CI/CD pipelines. - Expanded the company’s technical teams with 4 employees and a 7 person offshore team. - Doubled team productivity by managing efficient ticketing practices for our team of 10+ internal and offshore coders. - Assisted with the sales process, taking part in nearly a dozen pitches to potential customers.

AmberGlass

Founder & Freelance Mobile Developer

August 2016 - November 2018

Started as a freelancer and worked on any mobile development-related projects I could get my hands on. The most memorable projects I had were delivering an AR proof of concept for a trauma rehabilitation clinic and building a homecare surveillance system for care facility workers.

Intracto Group nv

iOS Mobile App Development Consultant

February 2016 - August 2016

I briefly worked at One Shoe as a junior iOS dev and was tasked with building OneFit's first iOS iteration. The app successfully launched and is being iterated on to this day.

100grams

Mobile Developer (iOS)

August 2015 - February 2016

As a mobile developer, I helped the development of Passenger, 100Grams Software's comprehensive transport tracker app. I was part of the technical development between the 2.1 - 2.3 versions of the app. I also took part in the planning of the company's marketing and monetization strategy. Company: http://100grams.nl/ Passenger app: https://goo.gl/DVMb0i

Scart Kft.

Medical Device Advisor

November 2014 - June 2015

Scart is a Hungarian retailer or professional medical devices and accessories. I worked with them to built relations with clinics and hospitals in Hungary. As a representative of the company I helped develop the business's B2C marketing and took part in the B2B and B2G account handling. I also took part in supplier negotiations and helped secure an exclusive defibrillator device distributorship deal for the EU region.

Scart Kft.

Freelance Business Development Specialist

June 2013 - November 2014

Scart is a Hungarian retailer or professional medical devices and accessories. I worked with the company first as a translator of medical texts, later as a coordinator of web development project. I currently help them in part-time to plan their online marketing, including SEO, content marketing, Adwords and social media advertisements, as well as helping with the planning and execution of video based content.

During my university studies, I started freelance work through my own company, Root. I conducted web development and translation contracts and in 2014 I began iOS app development.