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
Boost your impact by mastering how to clearly communicate technical ideas in business terms and influence stakeholders like a CTO – all in just one day.
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.
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.
