Ruben Oostinga
Ruben is Software Technology CTO and solution architect at Xebia who bridges technical excellence with business value. His full-stack expertise—from backend Java and Kotlin to modern frontends and cloud infrastructure—enables him to design and deliver complete solutions. With a career spanning backend, frontend, and infrastructure development, he focuses on whatever is needed to deliver value to end users. As a tech lead, he fosters good collaboration within teams, without compromising on software and architecture quality.
An early adopter and advocate of AI-assisted software engineering, Ruben actively shares knowledge and onboards teams to leverage these tools effectively, accelerating delivery without compromising on fundamentals. His approach emphasizes timeless engineering practices: strong architecture, clean code, and design principles that remain valuable regardless of shifting technology landscapes. Through coaching, presentations, and pair programming, he ensures teams build maintainable systems grounded in proven software engineering principles.
Upcoming courses
Amplify your impact and learn how CTOs communicate with less-technical audiences. In one day, you’ll gain practical tools to explain technical ideas clearly, speak the language of business, and influence stakeholders as a trusted engineer or leader.
AI is no longer optional—it’s becoming an essential skill for today’s Product Owners. From discovery to delivery, Artificial Intelligence is reshaping how we define value, validate ideas, and build the right products faster.
Lead AI adoption with clarity and confidence. In three days, you’ll gain the strategic insight, governance foundations, and practical tools to guide responsible AI implementation, align leadership, and turn AI ambition into measurable business impact.
Agentic AI introduces a new generation of systems that can plan, reason, and take actions. In this hands-on course, developers will learn how to build AI agents using modern tooling and Google Cloud Platform, exploring concepts like tool use, planning, and multi-step reasoning.
