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Senior product and full-stack engineer with 8+ years building and scaling production platforms using Next.js, React, TypeScript, and cloud-native technologies. Experienced delivering complex SaaS, enterprise platforms, ecommerce, and mobile/web applications at scale across regulated public sector and commercial environments. Strong product ownership and technical leadership, regularly driving architecture, engineering standards, and delivery from concept through production. Works in an AI-first environment, integrating LLM capabilities and agentic workflows to accelerate development without compromising quality.…Senior product and full-stack engineer with 8+ years building and scaling production platforms using Next.js, React, TypeScript, and cloud-native technologies. Experienced delivering complex SaaS, enterprise platforms, ecommerce, and mobile/web applications at scale across regulated public sector and commercial environments. Strong product ownership and technical leadership, regularly driving architecture, engineering standards, and delivery from concept through production. Works in an AI-first environment, integrating LLM capabilities and agentic workflows to accelerate development without compromising quality.

Lee Squires

Full Stack Developer, Back-End Developer, Front-End Developer, +1

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Senior product and full-stack engineer with 8+ years building and scaling production platforms using Next.js, React, TypeScript, and cloud-native technologies. Experienced delivering complex SaaS, enterprise platforms, ecommerce, and mobile/web applications at scale across regulated public sector and commercial environments. Strong product ownership and technical leadership, regularly driving architecture, engineering standards, and delivery from concept through production. Works in an AI-first environment, integrating LLM capabilities and agentic workflows to accelerate development without compromising quality.…Senior product and full-stack engineer with 8+ years building and scaling production platforms using Next.js, React, TypeScript, and cloud-native technologies. Experienced delivering complex SaaS, enterprise platforms, ecommerce, and mobile/web applications at scale across regulated public sector and commercial environments. Strong product ownership and technical leadership, regularly driving architecture, engineering standards, and delivery from concept through production. Works in an AI-first environment, integrating LLM capabilities and agentic workflows to accelerate development without compromising quality.

Available to hire

Senior product and full-stack engineer with 8+ years building and scaling production platforms using Next.js, React, TypeScript, and cloud-native technologies. Experienced delivering complex SaaS, enterprise platforms, ecommerce, and mobile/web applications at scale across regulated public sector and commercial environments.

Strong product ownership and technical leadership, regularly driving architecture, engineering standards, and delivery from concept through production. Works in an AI-first environment, integrating LLM capabilities and agentic workflows to accelerate development without compromising quality.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Full-Stack Developer at Timberyard (Contract)

April 1, 2024 - Present

Leading technical delivery across two major workstreams for a large enterprise client: a high-volume Events Management platform built on a microservices architecture, and a full website re-platform using a composable headless CMS stack. Managed a team of 6 offshore/onshore developers, running code reviews and establishing engineering standards. Designed an event-driven microservices platform for high-volume event bookings with horizontal scaling for peak loads (~3x average traffic). Introduced AI-assisted engineering workflows to scaffold and accelerate work while maintaining quality standards. Built a Sanity CMS/Next.js composable architecture modeling 100+ content schema types and delivering 3,000+ structured content pages for the UK’s largest exam board serving millions of users. Delivered a shared component library and frontend architecture patterns across multiple interconnected applications (web, mobile, and a third-party events platform). Shipped a cross-platform React Nativ

Freelance Lead Developer / Architect at Earl Kendrick (Contract)

April 1, 2023 - April 1, 2024

Architected and delivered a full-stack compliance platform from scratch within 12 months to meet Building Safety Act 2022 requirements, securely managing critical building safety documentation between managing agents, leaseholders, freeholders, and regulators. Delivered a platform serving 500+ buildings and 10,000+ leaseholders on time within the 12-month timeline. Implemented secure document management using AWS S3 and CloudFront handling 50,000+ documents at 99.99% availability. Built a role-based permissions system supporting complex multi-stakeholder access patterns and compliance requirements. Created automated compliance reporting features reducing manual reporting effort by 80%. Accelerated initial delivery using rapid prototyping with reusable architecture patterns and automation-first development practices. Built an end-to-end test suite achieving 85% code coverage across frontend and backend services using Jest, React Testing Library, and Cypress.

Web Developer / Senior Delivery Manager at Troy UK Ltd

November 1, 2021 - March 1, 2024

Delivered two high-impact internal applications transforming business operations, leading both technical design and stakeholder delivery. Built an AI-powered invoice processing platform using Azure Document Intelligence and Next.js, reducing processing time from 48 hours to under 30 seconds and increasing working capital by 75%. Launched a Product Information Management (PIM) system using Next.js integrated with Dynamics 365 / Power Apps, centralising product data management for 200,000+ SKUs.

Web Developer at Mears Group

November 1, 2018 - November 1, 2021

Developed an internal communications platform serving 20,000+ employees nationwide, building the React web application, React Native mobile apps (iOS/Android), and supporting backend services. Led a large-scale CMS migration, authored custom React components, and established a component architecture.

Software Engineer (Freelance)

June 1, 2017 - Present

Designed and developed web applications for varied clients using React, Next.js, TypeScript, Python, Node.js, MongoDB, PostgreSQL, and Tailwind CSS. Supported deployments to Vercel, Netlify, AWS, and Azure.

Business Assurance Manager (IT Projects) at Mears Group

January 1, 2016 - January 1, 2018

Test Manager / Business Analyst at EDF Energy

January 1, 2011 - January 1, 2016