Senior JavaScript Developer

Develop and maintain production React and TypeScript applications for the Met Office Defence Warnings service in an AWS-hosted environment. Work across CI/CD, infrastructure as code, automated testing, and operational support for Transport Tribe services.

Developed automated load and performance tests for the ADS Web Map Gateway and supported cloud-based map delivery infrastructure using AWS Lambda, CloudFront, CI/CD pipelines, and WMS-to-WMTS processing.

Delivered cloud-native digital services for the Local Outcomes Framework and EDDIP data platform across application, database, and infrastructure layers on Microsoft Azure. Designed PostgreSQL data solutions, database provisioning, schema deployment, migrations, secure connectivity, and API-enabled Azure Functions.

Led delivery of Azure App Services, PostgreSQL Flexible Server, Blob Storage, networking, private endpoints, identity solutions, Terraform deployments, and Azure DevOps pipelines. Produced technical designs and architecture documentation while implementing Entra ID, Managed Identities, RBAC, and Gov UK One Login integrations.

Improved backend code quality through peer reviews, JavaScript service refactoring, and enhanced unit and integration test coverage across Angular and React services.

Designed and developed scalable Node.js and REST API services, contributing to architecture, JWT authentication, data-access layers, application state management, and production stability improvements for MongoDB-backed services.

Enhanced test coverage for the LISA project to 80% using Vitest and Jest, supporting more reliable releases.

Implemented Material UI in the user interface and resolved 95% of identified SonarQube issues.

Assisted with migration of Auction and Bilateral Trading Java applications to a C# .NET API with a React frontend hosted on Azure.

Worked with React, Redux, TypeScript, Jest, Node.js, Git, SQL Server, and shadcn/ui to support modernisation of trading applications.

Translated templates into GDS Nunjucks templates and created React frontend components for the OneLogin Home team.

Maintained and optimised the codebase for reliability and performance using AWS Lambda, CloudFormation, Node.js, Next.js, TypeScript, Jest, Docker, and GitHub.

Implemented a caching solution supporting approximately one billion users per month and reducing monthly costs by 90%.

Maintained and enhanced publication platforms, integrated third-party advertising bid APIs, updated packages and code to current standards, and resolved production platform bugs.

Modernised legacy code by upgrading React and npm packages and refactoring an internal reporting tool.

Expanded reporting-tool functionality, participated throughout the test cycle, maintained documentation, and shared technical knowledge with the team.

Developed and maintained the Home Office European Registration web application as part of the EU Exit programme.

Developed and maintained an internal security reporting tool to improve incident tracking, analysis, response processes, and the organisation's security posture.

Provided JavaScript development consultancy services for the Cabinet Office.

Engaged in public-sector web application development work.

Provided JavaScript development services for the Home Office.

Contributed to public-sector web application delivery over an extended consultancy engagement.

Worked as a JavaScript developer for Digital Detox.

Contributed to web application development during the consultancy engagement.

Worked as a JavaScript developer for Macmillan Education.

Contributed to education-sector web application development over a multi-year engagement.

Worked as a JavaScript developer for Light Up Innovation Networks.

Contributed to web development activities during the engagement.

Worked as a JavaScript developer for BWIN Party Digital Entertainment.

Contributed to digital entertainment web development work.

Worked as a JavaScript developer for Pure Unity.

Contributed to web development activities during the engagement.

Worked as a JavaScript developer for Kandi Media.

Contributed to media-related web development work.

Worked as a PHP developer for Barts Cancer Institute.

Contributed to web development work in a healthcare research environment.

Worked as a PHP developer for Readers' Digest.

Contributed to publishing-related web development work.

Worked as a PHP developer for Blanco & Gomez.

Contributed to web application development during the engagement.

Worked as a PHP developer for Bakerwilcox.

Contributed to web development work during the engagement.

Worked as a PHP developer for the Colombian Embassy.

Contributed to web application development during the engagement.

Worked as a PHP developer for TAG London.

Contributed to web development work over a multi-year engagement.

Worked as a PHP developer for Noo Mobile.

Contributed to mobile and web development activities.

Worked as a PHP developer for Codegent.

Contributed to web development activities during the engagement.

Worked as a ColdFusion developer for Haymarket Publishing.

Contributed to publishing-sector application development.

Worked with ColdFusion and Oracle at Informatica Siglo.

Contributed to application and database development activities.

Worked with PHP and ColdFusion for Magnum Logistics.

Contributed to logistics-sector web application development over a multi-year engagement.

Provided first-line support services at Unisys.

Supported users and operational technology issues in an IT support role.

Master's degree with honours in Business Innovation with International Technology Management.

Bachelor's degree with honours in Computer Science.

Completed classical guitar and violoncello studies.

Completed music education studies.