Dewald V. Email & Phone Number

Bath, Gb

London, Gb

• Led platform cost optimization efforts, resulting in a 70% reduction in Cloud Infrastructure spend within one year.• Transitioned team from custom EC2 AMIs to managed EKS, improving service delivery efficiency and reducing maintenance and patching responsibilities.• Developed technical vision and architecture for the platform team, laying out a path to address key concerns for the business over the next two years.• Revamped logging and metrics pipelines increasing responsiveness and reliability while cutting costs by 75%.

London, Gb

• Led the Cloud Governance team to enhance company policies, automate compliance procedures, and enhance security posture while actively ensuring compliance with security standards.• Founded and led the SRE team, implementing automated Incident Response processes, developing Fourkeys-based data pipelines, automating SLO dashboards, and establishing standardized practices for tagging, labeling, logging, and metrics adoption.• Provided technical expertise and support to teams for the successful deployment of VCL-based Fastly services.

London, Gb

• Implemented temporary credentials via Vault for users and services to ensure GDPR compliance and supported teams in adoption• Developed audit logging infrastructure as part of GDPR compliance enhancements• Collaborated with highest-value vertical team to successfully migrate all services from ECS to new Kubernetes clusters, removing their need to focus on infrastructure and enabling them to prioritize business value• Introduced practices including testing and branch-based deployments to platform team to improve code quality and delivery throughput• Pioneered multi-cluster service mesh between multiple Kubernetes clusters to enable workload redundancy and increase portability

London, London, Gb

• Streamlined infrastructure management by implementing Puppet for configuration as code, facilitating smooth migration of legacy stack.• Enabled efficient deployment of new Akka-based services through automation using Docker, resulting in improved scalability and reliability.• Optimized VM creation process on-premises by developing an infrastructure provisioning solution with Ansible and Xen, ensuring consistent and standardized environments.

Chicago, Il, Us

• Developed and implemented a data ingestion platform for a Health Insurance provider, improving their ability to process field data efficiently• Provided technical guidance to the Unicef team, helping them address technical debt and streamline their system delivery processes• Led the successful delivery of a Doctor appointment booking service for a Health Insurance provider, enhancing their customer experience• Coached the QA team in JavaScript automation using Selenium, enabling efficient testing practices for a major bank• Played a key role in the development of a new Internet business banking platform for a major bank• Implemented a Docker Swarm cluster to parallelize integration tests, significantly reducing CI run time by 85% for a major bank

Rosebank, Johannesburg, Gauteng, Za

• Successfully integrated a new web-based international trading platform into the existing infrastructure, expanding market opportunities for a leading bank.• Implemented multi-tenancy functionality in the Java-based application stack (IBM WebSphere) and .Net-based stack (IIS), enabling seamless on-boarding and authentication for the new international platform.• Proactively addressed performance issues within the application stack by proposing and prototyping a transition from in-process to distributed caching using Microsoft AppFabric.• Introduced the Angular JS framework to develop a cutting-edge single-page application, offering a more efficient alternative to the current server-side ASP.Net MVC approach.

Rosebank, Johannesburg, Gauteng, Za

• Successfully implemented RICA compliance for a telecoms client, ensuring full regulatory adherence.• Migrated critical C & C++ libraries and applications from AIX on IBM POWER to RHEL Linux on x86, improving system performance and scalability.• Played an integral role in the 24/7 on-call rotation for core line-of-business software, guaranteeing uninterrupted operations for a large telecoms client.