Senior Developer - SC

Company Overview

Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. We are passionate about user‑centred design, agile delivery, and building digital services that make a real difference. Our teams work at the forefront of innovation, helping organisations transform and deliver high‑quality, scalable solutions that truly matter.

Join a blended agile delivery squad working on large‑scale, secure digital services for a government client. As a Senior Developer, you will bring strong hands‑on experience across both .NET and Python, contributing to cloud‑native API development, legacy modernisation, and Dev Sec Ops  practices – all within a Microsoft Azure environment and aligned to the highest engineering and security standards.

• Design, develop, and maintain full‑stack applications and services using .NET Core and Python.
• Build and consume RESTful APIs following API‑first and microservices design principles.
• Contribute to CI/CD pipelines in Azure Dev Ops – build, test, and deployment automation.
• Apply Dev Sec Ops  practices, including SAST/DAST scanning, dependency management, and environment segregation.
• Participate in code reviews, uphold coding standards, and implement secure development practices.
• Support legacy system modernisation – migrating from older Windows and .NET Framework environments.
• Produce clear technical documentation and contribute to architecture artefacts.
• Ensure all developed solutions meet WCAG AA accessibility standards.
• Work collaboratively with architects, lead developers, and delivery managers within an agile squad.
• Contribute to knowledge transfer and onboarding activities for client and team staff.

Security Clearance – Mandatory SC (Security Check) clearance is mandatory for this role. Candidates must be eligible to obtain SC clearance. British nationality or a minimum of 5 years' UK residency is typically required. Clearance will be sponsored upon appointment.

• Strong hands‑on C# experience with a solid grasp of OOP, design patterns, and SOLID principles.
• Experience building production‑grade applications in both .NET Core and Framework environments.
• Mandatory proficiency with Astral UV, virtual environments, and Python dependency management.
• Ability to build, maintain, and deploy Python‑based services.
• Azure Dev Ops – CI/CD pipeline design and management.
• Infrastructure as Code – Terraform and/or Bicep.
• Containerisation – Docker and/or Kubernetes.
• RESTful API design, development, and lifecycle management.
• Technical documentation to a high standard.
• Experience with legacy Windows technologies – Win
  32, WPF, MFC/ATL, COM, MSI packaging, GML.
• Familiarity with MOD Secure by Design and NCSC software security standards.
• Experience working in UK public sector or government digital services.
• On‑site presence in Taunton, Somerset – 2 days per week.

Backend: .NET Core 10.0, .NET Framework 4.8, C#, Python (Astral UV), REST APIs, microservices. Security: SAST/DAST, Secure by Design, SC clearance. Geospatial:
GeoJSON, MBTiles, GML.

We welcome applications from candidates of all backgrounds and actively encourage individuals from under‑represented groups, including women, people with disabilities, and diverse communities, as well as those seeking flexible working arrangements. As a Disability Confident Level 1 employer, we are committed to providing reasonable adjustments throughout the recruitment process and during employment to ensure equal opportunities for all.