Senior Software Engineer

Gen Re; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading reinsurance company in London is looking for a Senior Software Engineer to build and maintain high-performance applications on the Microsoft technology stack. Responsibilities include designing and deploying web applications, gathering requirements, and collaborating with teams. The ideal candidate will have a degree in Computer Science, experience in .NET and Azure, and familiarity with DevOps practices. Competitive remuneration and an inclusive work environment are offered.

Benefits

Market competitive remuneration package

Professional and inclusive work environment

Qualifications

• Strong background in building scalable, high-quality, and high-performance solutions.
• Experience with CI/CD pipelines and Infrastructure as Code.
• Interest in current technologies like ASP.NET Core and Entity Framework Core.

Responsibilities

• Design, develop, test, support, and deploy applications based on .NET.
• Gather customer requirements and develop related software applications.
• Collaborate to design scalable and efficient solutions.

Skills

Software development in .NET environment

C#

Azure Cloud Services

Scrum

DevOps platforms

Education

University degree in Computer Science or Information Systems

Tools

Azure DevOps

Git

Terraform

Job description

Shape Your Future With Us

General Re Corporation, a subsidiary of Berkshire Hathaway Inc., is a holding company for global reinsurance and related operations, with more than 2,000 employees worldwide. It owns General Reinsurance Corporation and General Reinsurance AG, which conducts business as Gen Re.

Gen Re delivers reinsurance solutions to the Life/Health and Property/Casualty insurance industries. Represented in all major reinsurance markets through a network of 37 offices, we have earned superior financial strength ratings from each of the major rating agencies.

General Reinsurance, London Branch is offering an opportunity for Senior Software Engineer.

Context of the Role:

We are seeking a highly skilled Senior Software Engineer with a strong background in building scalable, high-quality, and high‑performance solutions on the Microsoft technology stack (.NET / Blazor / C#). As a Senior Software Engineer, you will be responsible for building and maintaining internal and external‑facing web applications in collaboration with international and interdisciplinary teams. The IT team currently consists of seven developers and solution specialists and the successful candidate will be the lead for the Microsoft technology stack.

Key Responsibilities:

• Design, develop, test, support and deploy custom web and mobile applications based on .NET (Blazor, C#, C++).
• Gather customer software requirements and develop related software applications and programs.
• Collaborate with architects, engineers, and other team members to design scalable and efficient solutions.
• Implement Azure Cloud Services and features that enhance application performance and reliability.
• Research and evaluate software related technologies and products.
• Design and develop testing and maintenance procedures and activities.
• Develop and write high-quality coding standards.

Required Skills & Experience:

• University degree in Computer Science, Information Systems or a related subject, or equivalent work experience.
• Considerable and proven experience in software development in the .NET environment with C# and interest in current technologies such as ASP.NET Core and Entity Framework Core.
• Considerable and proven experience in iterative methodologies, such as Scrum or Design Thinking, using DevOps platforms such as Azure DevOps and Git.
• Considerable and proven experience in Azure Cloud Services, e.g., Azure Functions, Azure SQL, and Azure App Service.
• Experience with Azure Blazer is a plus.
• Experience with CI/CD pipelines and Infrastructure as Code with Terraform are a plus.
• Experience in the reinsurance or insurance sectors is a plus.

We offer you:

• A highly professional and inclusive work environment that values excellence, integrity, personal responsibility and the unique talent of each employee.
• Market competitive remuneration package commensurate with experience and qualifications.

We are looking forward to your application!

Closing Date:

15 January 2026

Our Address:

General Reinsurance

Corn Exchange

55 Mark Lane

London, EC3R 7NE (UK)

It is the continuing policy of the Gen Re Group to afford Equal Opportunity to qualified individuals without regard to race, color, sex (including childbirth or related medical conditions), religion, national origin or citizenship, sexual orientation, gender identity, or any characteristic protected by applicable law. In addition, Gen Re provides reasonable accommodation for qualified individuals with disabilities in accordance with the Americans with Disabilities Act.