I’m John Schaap, a technical lead, solution architect, and software engineer with 12 years of experience, specializing for the past nine years in delivering high-scale e-commerce and quick-service restaurant platforms. I specialize in reliable checkout, payments, and compliance solutions for high-traffic systems handling millions of orders globally. Proactive in adopting emerging technologies and integrating them into high-impact, production-ready solutions, using tools like Copilot to improve productivity and code quality. My scientific background helps me quickly grasp complex concepts and systems, enabling efficient issue resolution with minimal impact. I focus on building maintainable, scalable, and reliable software grounded in SOLID, KISS, and YAGNI principles. I’ve contributed to multinational teams by designing microservice architectures, solving complex technical challenges, leading large teams (30+), and analyzing requirements. Throughout, I ensured projects and stakeholders remained aligned. Colleagues describe me as persistent, committed, and detail-oriented, and I approach every challenge with the same mindset. Key Highlight • Role & Experience: Technical lead, solution architect, and software engineer with nine years’ experience delivering high-scale e-commerce and QSR platforms. • Domain Expertise: Checkout, payments, and compliance systems handling millions of orders globally. • Technical Approach: Microservices and scalable architectures; software built on SOLID, KISS, and YAGNI principles; proficient in leveraging tools like Copilot to boost productivity and code quality. • Leadership: Led multinational teams of 30+, aligning stakeholders and driving complex projects to completion. • Traits: Persistent, committed, and detail-oriented, with a focus on delivering high-quality solutions.