Marc Schopper

Data Sourcing engineer developing and optimizing pipelines to integrate large-scale datasets and manage tracking infrastructure. Built pipelines with Python, Prefect, Snowflake, DBT, and Kafka on GCP/AWS, created monitoring dashboards, and maintained TypeScript/JavaScript tracking software. Ensured data quality, scalability, and stable delivery. Skills: Python, Prefect, Snowflake, Kafka, AWS, GCP, Grafana, BigQuery, IaC, Data Engineering.

Technical Lead for the Consent Management Platform (CMP), owning a GDPR-compliant, revenue-critical system. Defined roadmap, guided architecture, coordinated cross-functional teams, and ensured stable, scalable operations. Led migrations, accessibility (WCAG 2.1), integrations, and monitoring for millions of daily consents. Skills: TypeScript, CI/CD, IaC, AWS, Web Development, WCAG, SASS, HTML, JavaScript, Custom Components.

Tech Lead for the Raffle Service, a backend system powering online raffles and promotional campaigns across TV brands. Maintained stability, compliance, and scalability, modernized infrastructure, implemented GitLab CI/CD pipelines, and supported stakeholders during high-demand campaigns. Stack: Ruby, Rails, JavaScript, HTML/CSS, PostgreSQL, Sidekiq, AWS, IaC. Skills: Ruby, Rails, CI/CD, JavaScript, IaC, Web Development, PostgreSQL, Sidekiq.

Video Platforms developer maintaining and modernizing the Chromecast Receiver app for multiple ProSiebenSat.1 brands. Led infrastructure migration, performance optimization, analytics and voice assistant integration, and CI/CD automation. Ensured smooth, scalable streaming and compliance with Google Cast specs. Skills: Chromecast, JavaScript, CI/CD, Google Home.

Senior Developer designing and building the Magellan Framework, a modular frontend and backend architecture for high-traffic TV brand platforms. Led full technical implementation, supporting React/TypeScript frontend, GraphQL APIs, DevOps/CI/CD, and AWS infrastructure. Delivered reusable UI, unified APIs, caching/CDN strategies, SEO optimization, SDK integrations, and live event support. Skills: React, TypeScript, AWS, CI/CD, GraphQL, A/B Testing.

Frontend developer for ProSiebenSat.1 TV brand websites, building responsive, accessible, and SEO-friendly interfaces integrated with eZ CMS. Collaborated with designers, content managers, and backend teams, improved shared frontend architecture, and contributed to CI/CD pipeline automation. Skills: JavaScript, HTML5, CSS/Sass, SEO, CI/CD.

Led the relaunch of a high-traffic knowledge web community, migrating to a modern stack (Ruby, Rails, Ember.js, PostgreSQL, JS, HTML5, CSS, Sass) with zero downtime. Improved performance, frontend responsiveness, and UX across devices. Coordinated backend/frontend modernization, data migration, and rollout strategies. Skills: Ruby, Rails, JS, Ember.js, Node.js, PostgreSQL, HTML5, CSS, Sass, AWS, IaC, DevOps, CI, GitLab.

Backend and frontend developer at a startup building a Ruby on Rails platform for collecting, analyzing, and managing mobile error reports, offered as SaaS and on-premise. Developed core backend logic, frontend interfaces, and scalable architecture for real-time error processing. Contributed to stability, extensibility, and maintainability. Platform gained significant adoption and was acquired by Microsoft. Skills: Ruby, Rails, SASS, AWS, HTML5, CSS, Kafka, Bootstrap, RSpec, BDD.

Technical Lead designing and building a new Ruby on Rails product from scratch, defining architecture, workflows, and leading a small agile team to prototype. Later contributed to Git Tower 2 for macOS, enhancing Cocoa code, fixing edge cases, and accelerating delivery. Bridged backend and frontend efforts across platforms. Skills: Ruby, Rails, PostgreSQL, DevOps, HTML5, JavaScript, Agile, Cocoa, Swift, RSpec.

Freelance Ruby on Rails developer for a second-screen web app enabling real-time audience interaction during live TV. Built and integrated the platform into multiple broadcaster sites, focusing on performance, scalability, low-latency interactions, and post-launch optimization. Skills: Ruby, Rails, PostgreSQL, HTML5, Agile, Chef, RSpec, BDD, Capistrano, Infrastructure.

Web developer at a startup building a scalable SDK for mobile game leaderboards and charts. Developed Ruby on Rails backend, APIs, and real-time features for scores, rankings, and achievements. Collaborated with mobile developers, optimized infrastructure for high traffic, and contributed to agile workflows and internal tool improvements. Skills: Ruby, Rails, Capistrano, RSpec, PostgreSQL, API, HTML5, CSS, SASS.

Freelance Ruby on Rails developer for a greenfield Web 2.0 community platform, handling backend, frontend, and infrastructure. Led post-launch evolution, focusing on scalability, performance, maintainability, and user-friendly design. Skills: Ruby, Rails, JavaScript, HTML5, CSS, SASS, RSpec, PostgreSQL, IaC, Responsive Design, REST.

Developed a multi-tenant Ruby on Rails e-commerce platform for digital goods in an agile environment, designing core business components and optimizing shop system modules. Skills: Ruby, Rails, API, JavaScript, Agile.

Freelance PHP developer for enterprise projects via 100days/Zend, building and maintaining a custom PHP framework for scalable web solutions. Worked with PHP, HTML, CSS, MySQL, and JavaScript. Skills: PHP, MySQL, HTML5, CSS, JavaScript, Extreme Programming, Agile, Linux.

Freelance software developer delivering custom web solutions for large corporate clients, handling backend and frontend development with PHP, HTML, CSS, MySQL, and JavaScript. Skills: PHP, HTML, CSS, JavaScript, MySQL, Linux, Extreme Programming.

Junior Web Developer at Magic Garden, building client websites with a proprietary PHP-based CMS using HTML, CSS, MySQL, and JavaScript. Skills: PHP, MySQL, HTML, CSS, CMS, JavaScript.