Johnathan
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Johnathan Mawdsley
I’m Johnathan.Independent software engineerThe person you talk to is
the person doing the work.

Independent software engineer

Build better software.Make everyday work easier.

I help business owners and teams build useful software, connect their systems and use AI to reduce repetitive work. You work directly with me, from choosing the right first step to building and supporting it.

Production experience includes

  • Cornwall Council
  • Elixel
  • Marine AI
  • MS Trust
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Selected work.

Explore selected work

Lean product development & ongoing support

Thousands saved.
A long term partnership.

What they wanted
A customer portal, with a large build planned before testing it with customers.
What I did
I recommended and launched a focused MVP, then refined it using customer feedback.
The outcome
The client saved thousands, reached real users and chose me as their development partner on a paid twelve month retainer.

From the client · Review excerpt

“Johnathan goes above and beyond offering strategic input, as well as tactical execution.”

Floyd PerezFounder & CEO · Astoria Care Consultancy
Read the full story

Cornwall Council · via Headforwards

Public services at scale.

What they wanted
A modern resident portal connected to the council’s existing systems.
What I did
As part of the Headforwards team, I replaced legacy components and connected the council’s internal systems.
The outcome
The work helped save thousands of staff hours and improve residents’ experience of online services.
Read the project story

Client screenshots and confidential details are not shown.

How I can help.

Working together
01

Build a focused first version.

Replace a spreadsheet workflow, launch a customer portal or test a new product.

02

Get a stalled project moving.

Find out why a release is stuck or an existing system is unreliable, then agree the fixes.

03

Add AI where it earns its place.

Test one repetitive task before committing to an AI integration.

04

An ongoing development partner.

Work with someone who knows your software and business, helps prioritise improvements and carries them through.

Reviews and recommendations

What clients and
colleagues say.

See all 7 recommendations

“We engaged Johnathan initially for a portal build, which he handled incredibly efficiently and proactively. Never bringing any problems to your door, Johnathan goes above and beyond offering strategic input, as well as tactical execution.

I would recommend him (and have!) to all I work with who need any support in anything relating to websites, automations, and back end development. Honestly cannot recommend highly enough.

We have engaged him on a semi permanent basis as our development partner, where he continues to shine.”

Provided directly by the client

Lightly edited for spelling and grammar.

Rebecca Veater

Co founder and Technical Director at Elixel

“…an ambitious and pragmatic developer with a keen curiosity for good development practices.”

Independent products

I ship my own products, too.

Explore all 15 apps
SMART goal setter app showing the goal creation flowA clear goal.
Smaller milestones.
One place to start.

SMART goal setter

Turn an intention into a plan.

1,000+ downloads
Productivity · iOSView app
Today Focus small Home Screen widget previews in light and dark mode, showing the daily intention

Today Focus: Daily Widget

Your daily focus, on your Home Screen.

Home Screen widgets · iOSView app

Selected independent apps, separate from client work. Original app screens and widget previews shown.

Talk directly to the engineer

Let’s talk about
your project.

Share what the software needs to do, what is already in place and any deadline. We can talk it through, or you can send a brief.

Book a free 30 minute callSend me your brief
We agree the scope, deliverables and price before any work begins.