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LHLaurence Hunter

UK-based · Freelance · Senior engineer

Freelance Senior Software Engineer for practical digital problem-solving

I help businesses stabilise, modernise and extend existing software systems — from legacy PHP applications and APIs to automation, Dockerised workflows and AI-assisted tools.

Where I can help

Useful progress, without the theatre.

Often, the right answer is not a ground-up rebuild. It is understanding what you have, reducing risk and making focused improvements that create room for the business to move.

  • Stabilise business-critical systems
  • Untangle difficult technical problems
  • Add features to established products
  • Improve performance and delivery

Services

Hands-on engineering across the systems you already rely on.

Explore all services
01

Legacy systems and modernisation

Calm, methodical support for established PHP applications that the business still depends on.

  • PHP, Laravel and Symfony
  • Incremental upgrades and refactoring
  • Bug fixes and security improvements
02

React and Node development

Useful product work across modern front ends, back-end services and the joins between them.

  • React and Next.js interfaces
  • Node.js services and integrations
  • Maintainable feature delivery
03

APIs and integrations

Reliable REST APIs and integrations that help existing systems exchange data cleanly.

  • API design and implementation
  • Third-party service integration
  • Authentication and data flows
04

Automation and workflows

Practical automation for repetitive operational work, data processing and internal tooling.

  • Business process automation
  • Data import and export pipelines
  • Internal tools and scripts
05

Performance and environments

Focused improvements to application performance and the environments developers rely on.

  • Profiling and bottleneck removal
  • Docker and local environments
  • Deployment workflow improvements
06

Practical AI tooling

Grounded AI-assisted tools where retrieval, document search or workflow support creates real value.

  • RAG and document search
  • AI-assisted internal workflows
  • Prototypes and feasibility work

Selected work

Practical outcomes

01

Performance optimisation

Lower infrastructure load across a large hosting estate

Overhauled an inefficient, memory-intensive system running on infrastructure shared by more than 120 systems.

32% reduction in CPU utilisation
  • PHP
  • Profiling
  • Systems analysis
02

Bespoke product engineering

Sports science and movement-analysis platforms

Led technical work across bespoke applications used to collect, process and present specialist movement data.

Cross-platform systems delivered from API to mobile
  • PHP
  • Azure
  • REST APIs
  • Unity
  • C#
03

Portfolio support

Ongoing modernisation of LAMP-based websites

Supported and improved a large portfolio of established websites while keeping day-to-day operations moving.

Safer, more dependable sites with useful new features
  • Linux
  • Apache
  • MySQL
  • PHP
Read the case studies

How I work

Clear thinking. Direct communication. Solid delivery.

  1. 01

    Understand

    Get close to the system, the business context and the actual constraint.

  2. 02

    Prioritise

    Separate urgent risk from useful improvement and agree a sensible route forward.

  3. 03

    Deliver

    Make focused changes, communicate clearly and leave the system easier to own.

Start a conversation

Have a system that needs a steady pair of hands?

Tell me what is working, what is not, and where you need to get to. I will give you a clear view of how I can help.

Discuss your project