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Sebastien Chenhalls-Walker is a highly experienced engineering leader, renowned for his expertise in building and scaling robust, distributed systems and fostering high-performing engineering cultures. He has a strong background in platform engineering, cloud infrastructure (particularly AWS and Kubernetes), and Site Reliability Engineering (SRE) principles. Sebastien is recognized for his significant contributions at companies like Monzo Bank, where he played a pivotal role in developing and scaling their core banking platform. He is passionate about developer productivity, operational excellence, and leveraging technology to solve complex business problems. Sebastien is also an active voice in the tech community, often sharing his insights on system design, microservices, and engineering leadership.
Sebastien Chenhalls-Walker's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:
Led and scaled the platform engineering division at Monzo Bank, significantly enhancing the reliability, scalability, and developer experience of their core banking infrastructure. Spearheaded initiatives in areas like Kubernetes adoption, service mesh implementation, and observability.
Frequently shares expertise through technical blog posts, conference talks, and workshops on topics such as microservices architecture, distributed tracing, SRE best practices, and building resilient systems, influencing the wider engineering community.
Championed and implemented tools and practices that significantly improved developer workflows, deployment velocity, and the ability to monitor and debug complex distributed systems effectively.
Demonstrated deep expertise and leadership in leveraging cloud-native technologies like Kubernetes, Prometheus, and Go to build modern, scalable, and fault-tolerant applications and platforms.
Cass Business School - Year 2009
Cass Business School - Year 2005
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Vertical Future is a global leader in Controlled Environment Agriculture (CEA) technology and research. They design, build, and operate advanced vertical farms, focusing on improving food production sustainability, efficiency, and crop quality through innovation in hardware, software, and plant science. Their systems aim to provide consistent, high-quality produce year-round, independent of climate and with reduced environmental impact.
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