With over 20 years of contracting experience across engineering, public sector, retail, and finance, I have consistently secured long-term contracts with repeated extensions. Clients have rehired me multiple times. My skills and experience enable me to deliver significant value in any role. Developer – 20+ years I am highly skilled in multiple development languages and platforms, with a focus on .NET (including .NET 10). I have recently built backend and frontend solutions using .NET C# for RESTful APIs and apps with WPF, Blazor, Vue, HTML5, CSS, and JavaScript, all following Agile practices. I have also upgraded applications from VB6 and .NET Framework to .NET Core WinForms, WPF, and Blazor. SQL Server DBA / Developer / Server Migration – 20+ years I have managed numerous multi-terabyte server collections (up to SQL Server 2022), including the creation of development and UAT environments. My responsibilities have spanned hardware specification, design, documentation, and executing major migrations such as multi-node SQL Server 2019 Always On setups. These projects often involved configuring read-only AWS replicated databases and implementing Transparent Data Encryption (TDE). Moreover, I am highly skilled in developing and optimizing complex T-SQL procedures and functions for maximum performance. Business Analysis / Solution Architecture and Design – 10+ years I have specified and designed many systems from limited user requirements, using Jira in recent projects to track, implement, and test business needs through to release. Technical Team Lead – 6 years As the Technical Team Lead on several projects, I managed groups of up to ten developers. My responsibilities ranged from guiding junior team members and collaborating with offshore personnel to supporting test teams. I also set up and managed Jira for Agile projects involving multiple teams. Recent Technologies Development - .NET -> 10, C#, Web APIs, ASP.NET, WPF, VB.NET, WinForms, and VB6. Database - SQL Server -> 2022, AWS, always on environments, SSIS and SSRS Web – Blazor, Vue.js, HTML5, CSS, JavaScript, Postman and SoapUI DevOps - Jira, Confluence, Bitbucket (Git) , DevOps and Azure Entra ID

Darren Munn

With over 20 years of contracting experience across engineering, public sector, retail, and finance, I have consistently secured long-term contracts with repeated extensions. Clients have rehired me multiple times. My skills and experience enable me to deliver significant value in any role. Developer – 20+ years I am highly skilled in multiple development languages and platforms, with a focus on .NET (including .NET 10). I have recently built backend and frontend solutions using .NET C# for RESTful APIs and apps with WPF, Blazor, Vue, HTML5, CSS, and JavaScript, all following Agile practices. I have also upgraded applications from VB6 and .NET Framework to .NET Core WinForms, WPF, and Blazor. SQL Server DBA / Developer / Server Migration – 20+ years I have managed numerous multi-terabyte server collections (up to SQL Server 2022), including the creation of development and UAT environments. My responsibilities have spanned hardware specification, design, documentation, and executing major migrations such as multi-node SQL Server 2019 Always On setups. These projects often involved configuring read-only AWS replicated databases and implementing Transparent Data Encryption (TDE). Moreover, I am highly skilled in developing and optimizing complex T-SQL procedures and functions for maximum performance. Business Analysis / Solution Architecture and Design – 10+ years I have specified and designed many systems from limited user requirements, using Jira in recent projects to track, implement, and test business needs through to release. Technical Team Lead – 6 years As the Technical Team Lead on several projects, I managed groups of up to ten developers. My responsibilities ranged from guiding junior team members and collaborating with offshore personnel to supporting test teams. I also set up and managed Jira for Agile projects involving multiple teams. Recent Technologies Development - .NET -> 10, C#, Web APIs, ASP.NET, WPF, VB.NET, WinForms, and VB6. Database - SQL Server -> 2022, AWS, always on environments, SSIS and SSRS Web – Blazor, Vue.js, HTML5, CSS, JavaScript, Postman and SoapUI DevOps - Jira, Confluence, Bitbucket (Git) , DevOps and Azure Entra ID

Available to hire

With over 20 years of contracting experience across engineering, public sector, retail, and finance, I have consistently secured long-term contracts with repeated extensions. Clients have rehired me multiple times. My skills and experience enable me to deliver significant value in any role.

Developer – 20+ years
I am highly skilled in multiple development languages and platforms, with a focus on .NET (including .NET 10). I have recently built backend and frontend solutions using .NET C# for RESTful APIs and apps with WPF, Blazor, Vue, HTML5, CSS, and JavaScript, all following Agile practices. I have also upgraded applications from VB6 and .NET Framework to .NET Core WinForms, WPF, and Blazor.

SQL Server DBA / Developer / Server Migration – 20+ years
I have managed numerous multi-terabyte server collections (up to SQL Server 2022), including the creation of development and UAT environments. My responsibilities have spanned hardware specification, design, documentation, and executing major migrations such as multi-node SQL Server 2019 Always On setups. These projects often involved configuring read-only AWS replicated databases and implementing Transparent Data Encryption (TDE). Moreover, I am highly skilled in developing and optimizing complex T-SQL procedures and functions for maximum performance.

Business Analysis / Solution Architecture and Design – 10+ years
I have specified and designed many systems from limited user requirements, using Jira in recent projects to track, implement, and test business needs through to release.

Technical Team Lead – 6 years
As the Technical Team Lead on several projects, I managed groups of up to ten developers. My responsibilities ranged from guiding junior team members and collaborating with offshore personnel to supporting test teams. I also set up and managed Jira for Agile projects involving multiple teams.

Recent Technologies
Development - .NET -> 10, C#, Web APIs, ASP.NET, WPF, VB.NET, WinForms, and VB6.
Database - SQL Server -> 2022, AWS, always on environments, SSIS and SSRS
Web – Blazor, Vue.js, HTML5, CSS, JavaScript, Postman and SoapUI
DevOps - Jira, Confluence, Bitbucket (Git) , DevOps and Azure Entra ID

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Expert
Intermediate
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Language

English
Fluent

Work Experience

SQL Server DBA and Developer / Technical Team Lead at Barchester Healthcare
April 1, 2025 - Present
Acted as the DBA for the reporting function across two live SQL Server 2016 servers. Implemented a controlled Development, UAT and Live environment structure. Planned and executed the migration from SQL Server 2016 to SQL Server 2022 for two multi-terabyte databases, including SSIS packages and SSRS reports. Created the Data Equality Tester framework to verify data integrity after changes and built an Anonymize and Restore for AI tool to enable safe AI analysis on sensitive data.
Senior .NET Analyst Developer & SQL Server DBA at schuh
September 1, 2015 - July 31, 2019
Involved in the full project lifecycle from concept through development, testing and deployment. Migrated main SQL Server databases to multi-server Always On setups, implemented GDPR processes, and supported data integration. Built RESTful services and client apps using .NET, WPF/WinForms, and cloud and database technologies; collaborated across teams and with offshore resources.
Senior .NET Analyst Developer at Optos
March 1, 2015 - September 30, 2015
C#.NET, WPF, MVVM, and RESTful APIs development; UI/UX enhancements and software modernization.
Senior C# .NET Developer at G2G3 (part of Capita plc)
September 1, 2014 - February 28, 2015
Gather requirements, prototype, code, and test Windows tablet apps with a Web API backend and SQL Server data store. Implemented domain-driven architecture and used DevExpress components for UI. Worked on mapping, integration, and reporting dashboards.
Senior C# .NET Developer / UX and UI Designer at Optos
October 1, 2013 - August 31, 2014
Developed C# .NET applications with UX/UI focus; contributed to front-end design and backend services.
Senior Analyst Programmer at Northgate Information Solutions
April 1, 2013 - September 30, 2013
C#.NET, ASP.NET, JavaScript, and Oracle-based migrations and integrations; supported migration efforts and performance tuning.
Senior Oracle Analyst Programmer / Oracle Performance Tuning at Student Loans Company
March 1, 2012 - March 31, 2013
Oracle-based analytics, performance tuning and maintenance; supported critical data processing pipelines.
Senior Developer / 2nd Level Support / Oracle Performance Tuning at Royal Bank of Scotland Group
November 1, 2008 - January 31, 2012
Oracle performance tuning, development and support of banking systems; contributed to high-availability data environments.
Technical Team Leader (Contract) at Northgate Information Solutions
January 1, 2004 - November 30, 2008
Led a contract development team; managed delivery and cross-team coordination; implemented Agile practices.
Oracle Analyst Programmer and System Tester at Clydesdale Bank
November 1, 2003 - December 31, 2003
Oracle-based development and system testing; contributed to critical banking applications.

Education

at Glasgow Caledonian University
January 11, 2030 - March 3, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Healthcare, Software & Internet, Professional Services, Financial Services