Independent Development & Creative Engineering

I’m Mark Dearman. Through Angry Mouse Studios, I help teams and founders build reliable software — from frontend interfaces to backend systems and pragmatic DevOps.

Work with me

Independent developer. Limited availability.

Studios I partner with

  • Date Palm Media

    Digital product studio partner

About

I’m Mark Dearman. Angry Mouse Studios is my one‑person studio focused on building reliable software. I work directly with founders and small teams to ship features, stabilise releases, and set up pragmatic DevOps.

Services

  • Web & Software Development

    APIs, front‑ends, integrations, and maintainable tests for predictable releases.

    • Clean React/TypeScript UIs using accessible patterns
    • Node.js APIs with validation and logging
    • SQL schema design and migrations

  • DevOps & Infrastructure

    CI/CD, containerisation, IaC, observability, and security foundations.

    • Docker/Kubernetes workflows for local and production
    • Infrastructure-as-code on GCP (Terraform)
    • Monitoring, alerts, and incident-ready runbooks

  • Prototyping & Technical Consulting

    Pragmatic design, fast proof‑of‑concepts, and documentation teams can adopt quickly.

    • System design and RFCs focused on trade-offs
    • Codebase audits and improvement roadmaps
    • Onboarding docs and knowledge capture

Typical day rate from £250. Project pricing available on request.

Core Capabilities

  • Frontend & backend web

    React/TypeScript UIs and Node.js services with tests.

  • DevOps & infrastructure

    CI/CD, cloud, monitoring, developer tooling, and environments.

  • Payment systems

    Gateways, webhooks, reconciliation, and secure integrations.

  • Scalable APIs

    Versioned APIs with validation, logging, and observability.

  • Feature architecture

    Right‑sized designs, RFCs, and pragmatic trade‑offs.

  • Support & maintenance

    Long‑term product support, runbooks, and incident readiness.

Pricing Guide

Every project is unique, so final pricing depends on the scope and complexity. These ranges are here to give you a sense of what to expect — we’ll always discuss and agree on a fair rate together.

Small Websites

Landing pages, portfolios.

From £250 – £600

Medium Websites

Business sites, multi‑page, CMS.

From £600 – £1,500

Large Websites

Complex sites, eCommerce, memberships.

From £1,500 – £3,000+

APIs & Backend Systems

Custom APIs, integrations, data workflows.

From £500 – £2,000+

Ongoing Support & Maintenance

Updates, monitoring, small iterations.

From £50/month

These figures are guides, not fixed quotes. Final pricing is always negotiated depending on project requirements, timelines, and ongoing support.

Start a conversation

Featured Projects & Products

Here are a few of the products I’ve had the privilege to contribute to, working alongside strong partners to deliver reliable, scalable systems.

  • My Paint Buckets

    MyPaintBuckets is a platform for professional painting businesses to manage jobs, materials, scheduling, and electronic purchase orders (EPO), with integrated payments.

  • DatePalm Media Website

    The official online presence of DatePalm Media, a SaaS development company. The site introduces their services, highlights their expertise in custom software solutions, and provides a clear point of contact for potential clients.

  • Your project could be here

    Have something in mind? Let’s build something worth showcasing.

Project

Contact

Email me directly — I’ll reply as soon as I can.

Email contact@angrymouse.studio