John Farrell

Qualifications Scotland Web Platform (React, Next.js, TypeScript, Tailwind, Contentful)

• •Led an engineering team building a content management system for a national exam body
• •Created a system enabling content editors to build both headless content-driven pages and headful UI-editable pages
• •Built a component library ensuring WCAG compliance aligned with the Scottish Government design system
• •Upskilled 3 client engineers
• •Worked with key stakeholders to bridge the gap between technical delivery and business requirements

Veterinary Medicines Directorate (React, Next.js, TypeScript, Tailwind, Nest.js, PostgreSQL)

• •Delivered complex role-based React workflows and dynamic forms as part of a technology modernisation programme
• •Built and maintained CRUD API endpoints using Nest.js and MikroORM with PostgreSQL
• •Shared frontend expertise with team members, supporting adoption of modern React and TypeScript best practices

IAG AI On-Call Optimisation (React, Next.js, TypeScript)

• •Ingested AI-generated on-call scheduling data from spreadsheets into a structured database
• •Built a React and Next.js web application to visualise the data and timesheets, enabling better decision making around on-call staffing and reducing unnecessary costs

British Airways (React, Next.js, TypeScript)

• •Rebuilt an airline's homepage using Next.js, improving Lighthouse score from 25 to approximately 90
• •Implemented reusable code patterns for data fetching from Adobe Experience Manager (AEM) that benefited engineers across the project
• •Integrated the homepage with APIs for live dynamic pricing data
• •Served as a code owner responsible for approving code merges and deployments

Car Insurance Platform (React, TypeScript, Go, AWS, DynamoDB)

• •Developed a greenfield car insurance platform with carbon offsetting capabilities
• •Implemented UI features using TypeScript and React
• •Built a claim management API using Go
• •Deployed on AWS using Lambdas and DynamoDB

Met Office Prototype App (React, Next.js, TypeScript, CSS)

• •Led the technical decision making on the tech stack, CI/CD and infrastructure
• •Built a PWA prototype of the Met Office app landing page
• •Won a £7 million contract over 2 years

Homes for Ukraine (Ruby on Rails)

• •Worked as part of a team to build forms that allowed individuals and organisations to express their interest in housing Ukrainian refugees
• •Over 120,000 successful submissions within the first 2 weeks of the service being online

Hackney Social Care Services (TypeScript, React, Next.js, CSS, C#, AWS)

• •Led a five person engineering team
• •Worked with the product owner to understand requirements and communicate progress
• •Built out end to end features, infrastructure, frontend and backend API
• •Paired with junior engineers to help upskill individuals

Airbus Secure Communication (TypeScript, React, CSS, Java, Spring)

• •Worked as a full-stack web developer implementing features to allow the configuration of secure communication devices

Highways England (TypeScript, Angular, CSS, Java, Spring)

• •Worked as a full-stack web developer implementing features that allowed the administration of roadway work proposals

EDF Energy

• •Produced design specifications and support documentation for a cloud industrialisation project