Available to hire
Hi, I’m Gurpreet S. Khaira, a Senior Full-Stack .NET Developer and Tech Lead with over 25 years of experience in building scalable web and Windows applications. I enjoy modernizing legacy systems, leading teams, and delivering digital transformation projects that add real value to businesses. My expertise lies in .NET technologies, SQL Server, and agile methodologies, which I’ve used to optimize systems and achieve significant cost savings.
Throughout my career, I’ve led development teams and managed projects from end to end, focusing on clean architecture and testing. I thrive on collaborating with stakeholders to deliver solutions that meet business needs while maintaining high standards of code quality. When I’m not coding, I enjoy sharing knowledge and mentoring others in the tech community.
Language
English
Fluent
Work Experience
Lead Developer / Head of Software & Systems Development at Intelligent Shopper Limited
January 31, 2025 - July 28, 2025Promoted from Lead Developer to Head of Software & Development, overseeing a team of 3 developers. Designed and built a real-time consumer analytics platform using .NET Core, React JS, and Azure, which led to a £5M corporate buyout. Integrated MVC and WebForms systems, improving performance by 40%. Took full project ownership including requirements gathering, architecture design, testing, and deployment with adherence to SOLID principles and TDD. Utilised technologies such as Azure, .NET MVC 5/Core, React JS, SQL Server, IIS, and TFS/GitHub.
Systems Developer at Colchester Global Investments
June 30, 2017 - July 28, 2025Refactored legacy WinForms and Web apps to C#.NET MVC, reducing technical debt by 30%. Introduced Scrum as Scrum Master, cutting delivery cycles by 20%. Collaborated with senior investment managers to align software solutions with business objectives.
Web Developer at Gresham Underwriting
March 31, 2017 - July 28, 2025Replaced a VB underwriting system with C#.NET MVC 5, reducing errors by 50%. Enhanced user interface using jQuery, JavaScript, and CSS3 to improve underwriter efficiency.
Web Developer at Redbridge Borough Council
September 30, 2016 - July 28, 2025Developed self-service portals using JavaScript/jQuery and MVC 5, shifting 40% of council interactions online. Integrated third-party systems such as Booking-Bug and Northgate for seamless data exchange.
Senior Developer Analyst at SAGA Insurance
January 31, 2016 - July 28, 2025Migrated legacy classic ASP system to .NET MVC/C#, enhancing security and performance. Utilized MVC 5, Angular JS, Entity Framework, Dapper, and Oracle PL/SQL for system upgrades.
Senior Consultant Developer at Delta Group / London & Quadrant
August 31, 2015 - July 28, 2025Debugged and fixed high-traffic systems, reducing downtime by 90%. Built a secure document portal with MVC 4/WCF/Web API for contractor access in a DMZ environment.
Lead Systems Developer at Bilstein Group
December 31, 2014 - July 28, 2025Designed a full Purchase Order System, saving £50K annually in manual labor. Introduced SSRS reporting, reducing report generation time by 60%.
MI Analyst Developer at Cabot Financial Ltd
October 31, 2013 - July 28, 2025Boosted revenue collections by 30% through a custom allocation system. Managed a team of 3 developers and implemented ITIL v3 practices.
IT Analyst Programmer at Dartford Borough Council
April 30, 2008 - July 28, 2025Developed a customer queueing system generating £240,000 revenue for the council. Maintained finance and accounting applications using VBA, SQL, and Oracle for senior management reporting.
Developer then Project Manager at GE (Global eXchange Services)
June 30, 2005 - July 28, 2025Designed and developed web-based client-server applications. Created EAI software for supply chain integration on peer-to-peer systems. Managed several major releases and coordinated global teams across the USA, UK, and India involving Sales, Marketing, Software Engineering and Client Special Interest Groups.
Developer at Indus International
November 30, 1999 - July 28, 2025Developed and maintained major asset management system. Provided client critical on-site installation and support across the USA and Middle East.
Systems Developer at DST International
January 31, 1999 - July 28, 2025Provided 2nd tier support and bespoke customisations for high-volume financial asset management systems. Delivered work onsite for global clients.
Systems Developer at Legal & General Insurance
January 31, 1998 - July 28, 2025Contributed to large-scale project development full SDLC including unit and system testing. Created visual front-end wrappers for legacy systems for external clients.
Lead Developer / Head of Software & Systems Development at Intelligent Shopper Limited
January 31, 2025 - July 28, 2025Led a team of 3 developers as Head of Software & Development. Designed and built a real-time consumer analytics platform using .NET Core, React JS, and Azure, which resulted in a £5M corporate buyout. Integrated MVC and WebForms systems, improving performance by 40%. Owned full project lifecycle including requirements gathering, architecture, testing, and deployment while promoting SOLID principles and TDD.
Systems Developer at Colchester Global Investments
June 30, 2017 - July 28, 2025Refactored legacy WinForms and Web applications to C#.NET MVC, reducing technical debt by 30%. Introduced Scrum as Scrum Master to cut delivery cycles by 20%. Collaborated with senior investment managers to align software with business needs.
Web Developer at Gresham Underwriting
March 31, 2017 - July 28, 2025Replaced a VB underwriting system with C#.NET MVC 5, cutting errors by 50%. Enhanced the UI using jQuery, JavaScript, and CSS3 to improve underwriter efficiency.
Web Developer at Redbridge Borough Council
September 30, 2016 - July 28, 2025Developed self-service portals using JavaScript/jQuery and MVC 5, moving 40% of council interactions online. Integrated third-party systems like Booking-Bug and Northgate for seamless data flow.
Senior Developer Analyst at SAGA Insurance
January 31, 2016 - July 28, 2025Migrated classic ASP systems to .NET MVC/C#, improving security and performance.
Senior Consultant Developer at Delta Group / London & Quadrant
August 31, 2015 - July 28, 2025Debugged a high-traffic system reducing downtime by 90%. Built a secure document portal for contractors using MVC 4, WCF, and Web API in a DMZ environment.
Lead Systems Developer at Bilstein Group
December 31, 2014 - July 28, 2025Designed a Purchase Order System saving £50K/year in manual work. Implemented SSRS reporting, reducing report generation time by 60%.
MI Analyst Developer at Cabot Financial Ltd
October 31, 2013 - July 28, 2025Developed a custom revenue allocation system increasing collections by 30%. Managed a team of 3 developers and implemented ITIL v3 processes.
IT Analyst Programmer at Dartford Borough Council
April 30, 2008 - July 28, 2025Developed a contact centre queueing system generating £240,000 revenue. Maintained various VBA/SQL/Oracle finance applications for senior management.
Developer then Project Manager at GE (Global eXchange Services)
June 30, 2005 - July 28, 2025Designed and developed web-based client-server applications. Created EAI software for supply chain integration on peer-to-peer systems. Managed global teams across UK, USA, and India for major releases and system maintenance.
Developer at Indus International
November 30, 1999 - July 28, 2025Developed and maintained asset management systems. Provided onsite client support and installations in the USA and Middle East.
Systems Developer at DST International
January 31, 1999 - July 28, 20252nd tier support for high-volume critical financial/trading systems. Performed customizations and onsite enhancements for global clients.
Systems Developer at Legal & General Insurance
January 31, 1998 - July 28, 2025Worked on large scale SDLC projects and created visual front-end wrappers for legacy systems for external clients including Seers HPS and Anderson Consulting.
Education
B.Sc. (Hons) Computer Science at King’s College London
January 1, 1992 - December 31, 1995B.Sc. at King’s College London
January 1, 1991 - December 31, 1994Qualifications
ITIL v3
January 11, 2030 - July 28, 2025Six Sigma Green Belt
January 11, 2030 - July 28, 2025Certified Scrum Master
January 11, 2030 - July 28, 2025ITIL v3
January 11, 2030 - July 28, 2025Six Sigma Green Belt
January 11, 2030 - July 28, 2025Certified Scrum Master
January 11, 2030 - July 28, 2025Industry Experience
Software & Internet, Financial Services, Government, Consumer Goods, Manufacturing, Retail
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