.NET & Microsoft Application Modernisation & Integration
Modernising, rescuing and extending .NET and Microsoft business applications.
Whether you've inherited an ageing .NET application, need an Umbraco upgrade, require SharePoint or Microsoft 365 expertise, or simply need an experienced developer to strengthen your team, I can help.
With over 25 years' experience delivering .NET and Microsoft solutions across government, engineering, travel and digital agencies, I help organisations get more from their existing applications.
Trusted by organisations including
- European Space Agency
- Defence Academy / MOD
- Abercrombie & Kent
- De Beers
- British Airways
- NAACP
- Ford Motor Company
- HM Prison Service
- Ford Foundation
- Oasis
- Warehouse
- Principles
- Coast
- Thomas Pink
- Great Little Trading Co
- Harvey Nichols
- Morgan Lovell
- Coca-Cola Engineering
- Dazed & Confused
- Thomas Sanderson
- Tesco
- Barclays LifeSkills
- Macallan Whisky
- Bicester Village
- Haven
- NHS
- Manufacturing & Engineering Businesses
Does any of this sound familiar?
- “Our senior developer has left.
- “Nobody fully understands the existing codebase.
- “We need to upgrade Umbraco but don't know where to start.
- “Production bugs keep coming back.
- “SharePoint has become difficult to maintain.
- “Microsoft Graph or Azure integrations aren't working reliably.
- “We need extra senior development capacity.
- “We inherited an application with little or no documentation.
How you can work with me
Three straightforward ways to engage, depending on where you are.
Technical Health Check
Perfect if you've inherited an application and don't know where to start.
- Architecture review
- Technical debt assessment
- Upgrade recommendations
- Security review
Receive a prioritised report with practical recommendations and estimated next steps.
Legacy Application Rescue
Ideal for organisations that have inherited an application, lost key developers or need experienced support to stabilise and modernise an existing system.
- Production issues
- Performance problems
- Authentication issues
- Missing documentation
- Failed upgrades
- New feature development
Senior Development Support
Need an experienced developer without hiring permanently?
- A few hours each month
- One day per week
- Two to four days per week
- Fixed-term projects
Why Perrito Media?
Most of my work begins where others leave off. I specialise in taking over existing .NET and Microsoft applications, solving difficult technical problems and helping organisations move forward with confidence.
Whether it's an inherited application, an overdue upgrade or a production issue that's proving difficult to diagnose, I enjoy getting to grips with complex systems and finding practical solutions that last.
Recent experience
A flavour of the kind of work I take on.
Typical projects
If any of these sound like you, we should talk.
- Taking over an inherited .NET application
- Upgrading Umbraco to the latest version
- Microsoft Graph integrations
- REST API integrations
- SharePoint Online development
- Azure-hosted applications
- Azure DevOps / CI/CD improvements
- Authentication & Entra ID
- Production issue investigation
- Codebase reviews
- Technical leadership for agency teams
Not sure where to start?
Many businesses know something isn't right but don't yet know what they need. If that's the case, we can begin with a Technical Health Check to understand the current state of your application and identify the best next steps.
Availability
Currently available for:
- A few hours each month
- One-off technical reviews
- Short-term consultancy
- Up to four days per week for larger projects
Need an experienced pair of hands?
Let's have a conversation.
Prefer email? Reach me directly at alicia@perrito.co.uk