As an AWS Subject Matter Expert, I led the high-profile migration of Oracle Databases and applications from a legacy on-premises system to AWS. This included designing and developing cloud-native infrastructure, automating server builds, and implementing active-passive failover with Oracle Dataguard. I played a crucial role in containerising a large legacy Java estate and developed reusable Terraform patterns for organisation-wide use.Key achievements:* Successfully migrated two critical Oracle Database servers to AWS, including an in-transit upgrade to Oracle 19c.* Designed cloud-native solutions for Oracle Forms & Reports servers, Oracle APEX servers, and various Java applications.* Managed a complex stakeholder environment, overseeing technical strategy and planning.* Planned and executed a comprehensive knowledge transfer and upskilling strategy, ensuring smooth expertise transition.* Developed low-ops automation using GitHub Actions for deploying infrastructure, service AMIs, and containers.* Created well-structured, testable Python Lambda functions for lifecycle management and service monitoring.

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As Interim Chief Technology Officer, I led the transformation of hero Wellbeing's technical vision and strategic direction, preparing the company for a successful acquisition and subsequent investment rounds. I developed a small team of engineers, established agile design and delivery processes, and migrated the AWS infrastructure to Terraform with enhanced security and environment isolation.Key achievements:* Achieved ISO 27001 compliance within 90 days.* Led the design, development, and delivery of a state-of-the-art streaming video product in three months, utilising AWS Chime video conferencing tools.* Formed and managed a diverse and skilled engineering team, implementing effective agile practices.* Played a critical role in the technical due diligence process during a key acquisition.

Led the creation of an end-to-end API Platform for the NHS, designed to provide a comprehensive “one-stop shop” PaaS for NHS APIs. This involved full-stack development, infrastructure management, and designing user interactions.Key achievements:* Developed Terraform, Ansible, and Packer code for deploying cloud infrastructure on GCP and AWS, including reusable modules and playbooks.* Designed core user interactions for the PaaS project using ReactJS and TailwindCSS, including wireframes and proof of concept interactions.* Managed a complex Azure DevOps and GitHub Actions pipeline environment for deploying APIs and middleware to multiple cloud platforms.* Led the design of the PaaS API Platform, conducting user-feedback and requirements analysis to create a roadmap and product vision.* Served as a subject matter expert on OIDC/OAuth2, developing a test harness for Care Identity Service 2 and NHSLogin using Keycloak.* Advanced a Site Reliability Engineering culture, defining operational and technical Service Levels and reliability objectives.

Contributed to the development of the NHS Data Backend (Spine II), focusing on complex, mission-critical Python codebase and key data service integrations.Key achievements:* Engineered complex cross-departmental data service integrations, including the rollout of the Home Office API integration.* Designed an extensive suite of Management Information (MI) reports using Splunk to report on operational KPIs.

Led platform engineering for a B2B FinTech product, managing a hybrid container/server infrastructure across three global AWS estates. Acted as the product owner for infrastructure and DevOps, collaborating with developers and analysts to build a highly resilient, AI-driven financial crime platform.Key achievements:* Singularly responsible for platform architecture from planning to maturity in London, Virginia, and Beijing (AWS China).* Managed an extensive Terraform estate covering multiple regions and environments, focusing on DRY and testable Terraform.* Developed high-velocity CI/CD pipelines for Java, JavaScript, and C# codebases.* Managed monitoring, alerting, and telemetry for applications, including log, metric, and trace aggregation; handled SRE reporting responsibilities for SLAs.* Mentored and trained junior team members, created a developer support rotation, and launched an apprenticeship program.* Planned and consulted on high-value features such as Single Sign-On, including analyst and UX wireframing.* Developed production-ready Python applications to replace expensive external tooling for authn/authz and batch data processing.* Built security automation tools for audits, configuration validation, and vulnerability remediation.* Worked closely with the InfoSec and Compliance team on cloud security and compliance, contributed to TruNarrative’s ISO27001 accreditation, and shaped the enterprise risk strategy.

Working as a senior engineer as part of a 30-person consulting team, providing Google Cloud Platform migration services and DevOps tooling support for high-value cloud projects.• Consultant for pre-sales through delivery on high-value cloud projects• Lead Engineer on distributed IoT device backend migration to GCP

Served as the Technical Lead for Decision, an AI-driven product hosted on AWS, ensuring robust performance and scalability. Led the development and implementation of AI products and managed the infrastructure for high-throughput analytics and social-listening tools.Key achievements:* Architected scalable and efficient solutions for high-demand applications, leveraging AWS services, Docker for containerisation, and Terraform for infrastructure as code.* Delivered a highly reliable analytics platform (Almanac) capable of processing large volumes of data with minimal latency, benefiting clients with timely insights.* Developed and optimised large-scale batch processing systems for Whisper, handling terabytes of data effectively and providing actionable social media insights.* Enabled clients such as Domino’s Pizza, ADT, eBuyer, and Sky Sports to leverage advanced AI and analytics for better decision-making and improved operational efficiency.* Led the design and implementation of infrastructure and glue code for Decision, an AI-driven bid management tool for PPC advertising.* Integrated advanced AI and machine learning techniques into the core functionalities of Decision, enhancing predictive capabilities and analytical precision.* Collaborated closely with data scientists, developers, and product managers to align technical infrastructure with business objectives and client needs.

Served as a Linux Systems Administrator for a hosting company specialising in high-volume websites, leading digital transformation projects and developing cloud services offerings.Key achievements:* Successfully migrated all on-site infrastructure to a managed cloud environment, improving operational efficiency and reducing costs.* Developed a robust internal cloud services offering, leveraging partnerships with Cloudflare, AWS, and Rackspace.* Implemented automation tools and practices using Chef and Terraform, significantly reducing manual intervention and errors in infrastructure management.* Managed and maintained cloud infrastructure, ensuring high availability, security, and performance for various digital platforms and applications.* Utilised Docker for containerisation to streamline application deployment.* Worked closely with development teams to integrate cloud solutions, facilitating seamless deployment and continuous integration processes using Git and Semaphore.* Enabled the delivery of more agile and scalable digital solutions for clients, utilising advanced cloud technologies.

• Managed migrations from on-prem Exchange to Office 365, including Sharepoint and Lync/Skype-for-Business.• Infrastructure Lead on Microsoft Dynamics NAV / CRM implementation projects.Jr. Engineer on large-scale infrastructure projects.