Full-Stack Developer UK | Next.js & Technical Delivery Specialist

Full-Stack Developer UK & Technical Delivery Specialist

Building scalable web applications and delivering digital projects end-to-end.

I work with startups, SMEs, and agencies to design, build, and deliver reliable web development solutions, combining full-stack development with Next.js, Node.js, and MongoDB alongside hands-on project leadership.

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Service pillars

End-to-end

Delivery focus

Full-stack

Build capability

Scalable

Solution mindset

Advisory Angle

Most developers focus on code. I focus on delivering the complete solution, from architecture and full-stack development through to infrastructure, deployment, and project execution.

Introduction

Successful outcomes need more than implementation alone.

I'm Dean Lennard, a freelance full-stack developer based in the UK, specialising in building scalable web applications and delivering technical projects end-to-end.

I don't just write code. I take ownership of the entire process, from architecture and development through to deployment, infrastructure, and delivery.

Whether you need a high-performance web application, technical SEO improvements, or a reliable technical partner, I bring both the development expertise and delivery discipline to ensure successful outcomes.

Outcome Focused

Architecture, full-stack development, infrastructure, and delivery leadership working together in a single service.

Services Overview

Full-Stack Development, Technical SEO & Delivery Services

Specialist services across web development, SEO, infrastructure, and project delivery, designed for businesses that need both technical capability and reliable execution.

Web Design & Development

Next.js applications, full-stack platforms, WordPress builds, responsive UI systems, and API integrations.

Next.js and React applications
Node.js, MongoDB, and API architecture
PHP and WordPress solutions
Responsive interfaces and UX refinement

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SEO

Technical SEO foundations that help modern sites stay discoverable, fast, and measurable.

Technical audits and optimisation
Core Web Vitals and performance tuning
Site structure, indexing, and metadata
Analytics and reporting setup

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Hosting

Deployment workflows and infrastructure decisions that keep projects stable, secure, and maintainable.

Vultr, VPS, and cloud deployments
CI/CD pipelines and release workflows
Domain, DNS, and environment setup
Runtime performance and observability

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Game Design & Development

Interactive builds and gameplay systems created with a product mindset and a strong technical foundation.

Unity and C# gameplay systems
Prototype development
Interactive experiences and tooling
Indie project support

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Delivery, Project & Programme Management

End-to-end delivery support that keeps stakeholders aligned and projects moving from idea to launch.

Agile and Scrum delivery
Roadmap and milestone planning
Stakeholder communication
Execution across technical teams

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Next.js developer UK Web application development UK Technical SEO services UK Technical delivery consultant Unity developer UK Full-stack developer for startups Improve an existing website Freelance developer for agencies

Featured Projects

Full-Stack Development & Technical Delivery Projects

A selection of web development and delivery projects where I've combined full-stack engineering with end-to-end ownership to produce measurable results.

Web Platform & Analytics

Outbreak Interactive

A full marketing website with a backend system for financial performance tracking, game telemetry APIs, SEO foundations, and an integrated blogging workflow.

Built a full-stack platform in Next.js and MongoDB
Delivered telemetry and financial tracking capabilities
Supported marketing, SEO, and content publishing in one system

Game Design & Development

Arcbound

A systems-driven sci-fi colony simulation game built in Unity for PC, iOS, and Android, centred on pressure management, chaos, and player-driven outcomes.

Built cross-platform gameplay systems in Unity and C#
Supported a systems-led colony simulation experience
Developed a product with clear creative and technical direction

Community Platform

Arcbound Community

A Next.js and MongoDB community forum and chat system built to support player discussion, engagement, and ongoing platform interaction.

Built a tailored forum and chat experience for the Arcbound community
Created a scalable web platform around discussion and engagement
Connected product ecosystem thinking with community growth

Programme Delivery & Technology Leadership

Virgin Media O2

Senior programme leadership across large-scale migration, sales platform redesign, governance, and multi-team delivery within a complex telecoms environment.