Software Architect (C#, .Net, Cloud)

Spectrum IT; Fareham; Hybrid; GBP 90,000 - 110,000; Full time

Benefits offered by this job

8–10% bonus

Pension

Medical insurance

Job summary

Spectrum IT is seeking a Senior Software Architect to lead architectural direction on a cloud software platform. This is a hands-on role that requires delivering secure, scalable solutions while mentoring engineers and collaborating with product teams to shape the platform roadmap.

You will own software architecture, guide cloud application development, and set technical standards, ensuring quality through reviews, testing and adherence to best practices.

Qualifications

• Designing cloud-based software solutions using C#/.NET.
• Experience with multi-tenant cloud environments and APIs.
• Proven ability to guide architecture and set technical standards.

Responsibilities

• Own software architecture and design, translating complex requirements into technical solutions.
• Guide the development of cloud applications with emphasis on security, performance and scalability.
• Remain involved throughout delivery from design to validation and testing.
• Set technical standards, review designs and mentor engineers.

Skills

C#

.NET

Cloud architecture

APIs

Distributed systems

Security best practices

Mentoring

Job description

We're recruiting a Senior Software Architect for an established technology business developing and modernising a complex cloud software platform. This is a hands-on opportunity to contribute to architectural direction, influence technical decisions and work closely with engineering teams to deliver secure, scalable and resilient software.

The core technology stack is C# and .NET, although architects with strong transferable experience will also be considered.

The role

• Own software architecture and design, translating complex requirements into practical technical solutions.
• Guide the development of cloud applications, considering security, performance, scalability and maintainability.
• Stay involved throughout delivery, from design and implementation through testing and validation.
• Set technical standards, review designs and support engineers through mentoring and collaboration.
• Work with product teams to shape requirements and guide platform development.

About you

You’ll bring a strong software engineering background and experience as a Software Architect, ideally within a C#/.NET environment.

Your experience should include:

• Designing complex cloud applications, ideally within multi-tenant environments.
• Building APIs and working with databases and distributed systems.
• Applying sound software design principles and security best practice.
• Supporting quality through testing, code reviews and clear technical standards.
• Communicating architectural decisions and working collaboratively with engineering and product teams.

You’ll also have an interest in improving development practices, including practical experience using AI tools to support your work.

This is an individual contributor role with technical ownership and influence. Appointments can be made at Senior or Lead Architect level depending on experience.

The package

• £90,000-£110,000 depending on experience, plus an 8-10% bonus, pension and medical insurance.
• Hybrid working includes two office days each week near Southampton, Fareham, Portsmouth.
• Applicants must be eligible for UK Security Clearance. There is a straightforward two-stage interview process.