Principal Software Developer

Salary: £45,000 - 70,000 per year

• Prior experience designing and successfully delivering complex, high-quality enterprise and/or cloud solutions, from technical domains such as scientific, engineering, and/or industrial sectors.
• Significant skills with C# and modern .NET, creating elegant designs, tracking the evolution of the language, and selecting the best elements to incorporate.
• Experience with AWS or Azure as a target platform, containers, and potentially cloud-native approaches, Kubernetes, etc.
• Ideally, specific knowledge of vendor offerings and appropriate architectures and patterns for those offerings.
• A deep understanding of cloud-compatible architectures such as microservices and service-oriented architecture.
• Understanding of RESTful API design considerations.
• Ideally, a good awareness of security and authentication considerations, including OAuth.
• A strong academic track record, including a good technical degree and top A-level grades or equivalent.

• Guide and contribute directly to cloud software development with AWS or Azure.
• Address the finer points of architecture and consider the ramifications of far-reaching decisions.
• Collaborate with stakeholders.
• Cultivate and apply the right elements of modern good practice and standards.
• Play a key part in shaping platform capabilities and effectiveness through direct contributions.

• API
• AWS
• Azure
• C#
• Cloud
• Kubernetes
• OAuth
• Security
• microservices
• ASP.NET
• DevOps
• REST

More:

We are hiring for a principal-level engineering role focused on modern C# cloud software that enhances sustainability. The role is based in Cambridge with hybrid working and offers a salary of up to £80k+ depending on experience, along with a top package including a highly competitive salary, enhanced pension and holiday, hybrid working several days per week, and career and skills development options. We offer a multicultural environment with a strong focus on sustainability and a prominent role with responsibility and reward.

last updated 40 week of 2026