Principal Software Engineer: AI-Driven Cloud & .NET Leader

MHR International UK Limited; Newcastle upon Tyne; Remote; GBP 90,000 - 130,000; Full time

Benefits offered by this job

60+ internal training courses

Help at Hand GP access

25 days holiday + bank holidays

Private medical insurance

Dental coverage

MHRewards discounts

Referral bonus up to £2,000

On-site subsidised restaurants

Job summary

MHR International UK Limited is seeking a Principal Software Engineer to lead complex engineering challenges within our modern SaaS environment. You will set strategy, influence architecture, and guide delivery across the organisation, leveraging .NET and Azure and championing cloud-native design.

You will mentor engineers, drive test-driven development, and promote AI-assisted tooling to raise quality and efficiency while balancing long-term vision with delivery outcomes.

Qualifications

• Strong experience with Microsoft technologies (.NET, Azure)
• Expertise in scalable architecture and cloud-native systems
• Proven ability to deliver technical strategy and complex initiatives
• Advocate of TDD, continuous improvement, and AI-assisted engineering
• Strong collaboration and stakeholder communication skills
• Experience mentoring engineers and raising technical standards

Responsibilities

• Define strategy and influence architecture across the organisation.
• Lead delivery within a modern SaaS environment.
• Champion AI-assisted development to improve efficiency and quality.
• Mentor engineers and raise technical standards.
• Collaborate with cross-functional Agile teams and stakeholders.
• Balance long-term vision with delivery outcomes.

Skills

Microsoft technologies (.NET, Azure)

Scalable architecture

Technical strategy

TDD

AI-assisted engineering

Stakeholder communication

Mentoring engineers

Job description

MHR International UK Limited is seeking a Principal Software Engineer to lead complex engineering challenges within our modern SaaS environment. You will set strategy, influence architecture, and guide delivery across the organisation, leveraging .NET and Azure and championing cloud-native design.

You will mentor engineers, drive test-driven development, and promote AI-assisted tooling to raise quality and efficiency while balancing long-term vision with delivery outcomes.