React Full Stack Developer

Full Stack Software Engineer (SC Cleared Eligible)

Permanent | Hybrid/London (50% onsite) | Software Engineering | SC Clearance Required

At Peregrine, we're always seeking specialist talent with the right blend of technical expertise, experience, and attitude to support some of the UK's most complex technology environments. We are currently looking for an experienced Full Stack Software Engineer to work across multiple business-critical products and platforms, supporting enhancements, core development, upgrades, and operational incident resolution. Based on the template provided.

The Role

You'll play a key role in the delivery and support of enterprise-scale applications, contributing across the full software development lifecycle. Working within an Agile environment, you'll help design, develop, test, deploy, and support secure, high-quality software solutions while collaborating closely with both technical and non-technical stakeholders.

This role requires 50% onsite attendance and candidates must either hold active SC Clearance or be eligible to obtain SC Clearance prior to commencement.

Responsibilities

• Develop and maintain high-quality software solutions that deliver value to stakeholders.
• Contribute throughout the full software development lifecycle, from requirements through to support and maintenance.
• Design, build and enhance full-stack applications using modern development practices.
• Support production systems and assist in resolving operational incidents.
• Build and maintain CI/CD pipelines and deployment processes.
• Ensure security, privacy, and compliance requirements are embedded within all development activities.
• Collaborate with business and technology teams to understand requirements and deliver effective solutions.
• Produce clear technical documentation and knowledge-sharing materials.
• Support testing activities including unit, integration, system and user acceptance testing.
• Contribute to continuous improvement initiatives across development processes and tooling.

Skills & Experience

Essential

• Proven experience across the full Software Development Lifecycle (SDLC).
• Strong full-stack development experience using:
• C#
• .NET
• SQL
• React
• Strong understanding of software engineering principles, development methodologies, and technical architectures.
• Experience with development tools including:
• Git
• Visual Studio
• SQL Server Management Studio (SSMS)
• Strong relational database experience.
• Experience working within structured development and release processes.
• Excellent communication and stakeholder management skills.
• Demonstrable ability to build and maintain positive working relationships across business and technology teams.
• Highly organised, self-motivated and capable of working independently.

Desirable

• Azure Cloud experience.
• Microsoft Power Platform experience.
• Web application and API development experience.
• Strong software testing background, including:
• Unit Testing
• System Testing
• UAT Support
• Business and systems analysis experience.
• CI/CD pipeline design and implementation experience.
• Experience producing high-quality technical documentation.
• Experience working within Agile delivery environments.

Candidates must:

• Hold active SC Clearance, or
• Be eligible and willing to undergo the SC Clearance process prior to starting.

About Peregrine

We build workforces that deliver technology and transformation programmes across leading UK organisations. By combining market expertise, talent solutions and innovative workforce strategies, we help our clients solve complex capability challenges and deliver lasting outcomes.

How Specialist Talent Works

As a permanent employee at Peregrine, you'll join our Specialist Talent team, supporting clients on high-impact technology programmes while benefiting from the stability, development opportunities and support of a permanent role.

Diversity & Inclusion

We welcome applications from all backgrounds and are committed to creating an inclusive workplace where everyone can thrive. We believe diverse teams create better outcomes and encourage applications from candidates with a wide range of experiences and perspectives.