Lead Technical Developer (.Net and Python)

About Scrumconnect Consulting 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.

Overview

We are seeking an experienced Lead Technical Developer to provide hands-on technical leadership within a client delivery team. You will be responsible for driving engineering standards, code quality, and the technical direction of a work package, ensuring the delivery of secure, maintainable, and high-quality software aligned with client engineering standards.

Key Responsibilities

Technical Leadership Lead the technical design and implementation of features across cloud and data centre work packages. Define and enforce coding standards, code review processes, and secure development practices in line with client GitHub standards. Mentor and support senior and full-stack developers, ensuring consistent engineering excellence across the team.

Collaborate closely with Solution Architects to ensure implementation aligns with approved architecture and technology standards. Lead technical onboarding activities and knowledge transfer to client personnel and successor suppliers. Architecture & Documentation Produce and contribute to architecture documentation and Technical Design Authority (TDA) artefacts at work package level.

Ensure technical documentation is maintained to a high standard. DevOps & Security Own and maintain CI/CD pipeline quality using Azure DevOps. Contribute to the design and maintenance of automated deployment pipelines. Drive Dev. Sec. Ops best practices, including: SAST/DAST security scanning Dependency management Environment segregation Secure software development practices Quality & Compliance Ensure all solutions meet WCAG AA accessibility standards.

Provide guidance on the appropriate use of AI-assisted coding tools within approved enterprise environments. Security Clearance Requirement SC (Security Check) clearance is mandatory for this role. Candidates must be eligible to obtain SC clearance. Eligibility typically requires: British nationality, or A minimum of 5 years' continuous UK residency Clearance sponsorship will be provided upon appointment.

Core Languages

• Mandatory .NET (Core 10.0, Framework 4.8) & C# Extensive hands-on experience with .NET Core and .NET Framework 4.8 in production environments. Proficiency in C# with strong knowledge of modern design patterns, SOLID principles, and high- availability architectures. Python
• Mandatory Proven Python development experience including use of Astral UV and virtual environments. Ability to build, maintain, and extend Python-based services and tooling within a Dev. Sec. Ops context. JavaScript/TypeScript Cloud & DevOps
• Mandatory Azure DevOps
• CI/CD pipeline design, management, and optimisation. Infrastructure as Code
• Terraform and/or Bicep. Containerisation
• Docker, Kubernetes, or equivalent orchestration platforms. Cloud-native development on Microsoft Azure. Development Practices
• Mandatory RESTful API design, development, and life cycle management. Secure development practices including SAST/DAST tooling and dependency management. Code review leadership - ability to set and enforce standards across a team. Technical documentation produced to a high standard. WCAG AA accessibility compliance across all developed solutions. Desirable Skills & Experience Legacy Windows technologies
• Win32, WPF, MFC/ATL, COM, MSI packaging. [DESIRABLE] Geospatial data formats
• GeoJSON, MBTiles, GML. [DESIRABLE] MOD Secure by Design and NCSC software security standards. [DESIRABLE] Technology Stack Backend: .NET Core 10.0, .NET Framework 4.8, C#, Python, REST APIs, Microservices Frontend: JavaScript, TypeScript, HTML5, CSS3, WCAG AA Cloud & DevOps: Microsoft Azure, Azure DevOps, CI/CD, Terraform, Bicep, Docker, Kubernetes Security: SAST/DAST, Secure by Design, NCSC Standards, SC Clearance Tools: Git, Jira, Confluence, Azure DevOps Boards Additional Information This role requires eligibility for SC Security Clearance. Candidates without existing clearance will be supported through the vetting process upon appointment. Please note that attendance in Taunton, Somerset, a minimum of two days per week , is a firm requirement of this engagement. Diversity & Inclusion At Scrumconnect Consulting, we believe that diversity drives innovation and better outcomes. We are committed to fostering an inclusive environment where every individual is valued, respected, and supported. We welcome applications from candidates of all backgrounds and actively encourage individuals from underrepresented 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.