Charles Southey
Verified Expert in Engineering
People Management Developer
Oxford, United Kingdom
Toptal member since December 3, 2019
Charles has over 25 years of experience developing and delivering software solutions across a wide range of technologies and architectures for companies ranging from new startups to some of the world's biggest and best-known in their fields. He excels at matching business needs to the most appropriate technologies resulting in elegant and highly secure, scalable, and high-performing applications.
Portfolio
Experience
- Database Design - 20 years
- People Management - 20 years
- SQL - 15 years
- RESTful Development - 10 years
- ASP.NET MVC - 10 years
- REST APIs - 10 years
- Azure - 1 year
- ASP.NET Core - 1 year
Availability
Preferred Environment
JavaScript 6, Database Design, Web Design, Graphic Design, ASP.NET Core, Next.js, React, Azure, Microsoft SQL Server, C#
The most amazing...
...system I've built is a SaaS financial services application that is now in use by over 600 companies managing the investments of over 150,000 private clients.
Work Experience
Chief Technology Officer
Sprint Enterprise Technology, Ltd.
- Designed and built from scratch the core product for this financial services business on dedicated hosted Windows servers using ASP.NET MVC and SQL Server.
- Developed live data integrations with 20-25 client investment platforms, data providers, and back-office systems.
- Developed modules to aggregate and transform the data from all these disparate systems into a common data model for reporting and analysis.
- Designed and built the main web application and a fully-brandable client portal for end investors to deliver highly configurable self-service reporting and data analysis.
- Designed new algorithms and techniques for performing high-speed analysis over huge data sets to deliver break-through functionality.
- Built and led the technical and operations teams throughout. Introduced a DevOps approach. The system is currently in use with over 600 financial services companies in the UK and Eire.
Founder, CTO
TotallySQL, Ltd.
- Developed a suite of SQL Server add-ins and libraries for commercial sale.
- Translated C++ Boost mathematical library into C# and validated all functions.
- Created C# and SQL-hosted versions of all Excel financial and analysis functions such as IRR, XIRR, NPV, and RATE to name a few.
- Created a rich set of C# and SQL-hosted statistical functions, models and methods including the modeling of all known statistical distributions such as Normal, and Poisson.
- Included a Windows application for installing and managing CLR assemblies across a SQL Server farm.
CIO
Sophos Plc
- Modernized and streamlined the company's systems worldwide.
- Introduced an online B2B eCommerce suite.
- Created a Business Intelligence function and thereby uncovered key facts about the business to drive the reshaping of business strategy.
- Integrated Finance, CRM and HR systems to share common data.
Experience
Fastrak
SQL Server and C# Components
Education
Master's Degree in Engineering and Computer Sciences
Cambridge University - Cambridge, UK
Certifications
Microsoft Certified Solutions Architect
Microsoft
Skills
Libraries/APIs
jQuery, jQuery UI, React, REST APIs, OpenID
Tools
Syncfusion
Languages
C#.NET, SQL, HTML5, JavaScript, CSS3, C#, HTML, CSS, JavaScript 6, C++, Java, REXX
Frameworks
ASP.NET MVC, ASP.NET Core, IdentityServer 4, OAuth 2, .NET, ASP.NET, Next.js, Knockout (Knockout.js), Flutter
Paradigms
RESTful Development, Database Design, Application Architecture, Agile, ITIL, DevOps
Platforms
Android, Windows, Web, Azure, Azure PaaS, Unix
Storage
Azure SQL, Microsoft SQL Server
Industry Expertise
Web Design
Other
People Management, Team Leadership, Data Modeling, GUI Design, Systems, Graphic Design
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