Digital Developer Senior

Digital Developer Senior

Location: London (HQ), Manchester, Birmingham, Cardiff, Darlington

Contract Duration: 12 months +

IR35 Status: In Scope

Pay Rate: £750 per day

Security Clearance: SC required

Overview

An opportunity for an experienced Digital Developer Senior to join a high‑profile public sector subsidiary delivering critical digital services at national scale. Operating within a modern Digital, Data and Technology function, you will work as part of a multi‑disciplinary team to design, build, and improve secure, scalable, and user‑centric services. This role requires a strong hands‑on engineer with leadership capability, able to guide teams and deliver high‑quality solutions aligned to public sector digital standards and best practices.

Key Responsibilities

• Lead the design and development of full‑stack features using Python and Django
• Act as a senior technical lead within a multi‑disciplinary squad (Business Analysis, User‑Centred Design, Engineering)
• Write clean, secure, and maintainable code using test‑driven development principles
• Design and deliver scalable, resilient, and high‑performing systems aligned to modern engineering standards
• Collaborate with product managers, designers, and stakeholders to define and deliver user‑focused solutions
• Manage service components to ensure they meet business needs and performance targets
• Embed security controls into system design to mitigate risks and threats
• Coordinate integration, build activities, and support testing across multiple systems
• Identify, troubleshoot, and resolve faults, defects, and performance issues
• Support and operate live production services, ensuring reliability, resilience, and stability
• Apply appropriate design standards, tools, and development methodologies effectively
• Review system designs to ensure efficient use of resources and appropriate technology choices
• Identify opportunities for process optimisation and contribute to continuous improvement initiatives
• Mentor and guide engineers, supporting capability development within the team
• Demonstrate strong hands‑on experience with Python and Django in production environments
• Operate effectively at Senior Developer or Tech Lead level within agile, multi‑disciplinary teams
• Apply secure coding practices and modern development standards
• Build and integrate APIs, microservices, and distributed systems
• Use test‑driven development (TDD) and automated testing approaches
• Design systems for scalability, resilience, and performance
• Work with cloud platforms such as AWS, Azure, or GCP (desirable)
• Align solutions to public sector digital service standards and best practices (desirable)
• Maintain a strong focus on user needs over user wants
• Navigates complex systems and delivery environments effectively
• Proactively identifies risks and drives solutions
• Collaborates effectively in a fast‑paced delivery environment
• Takes ownership and accountability for delivery outcomes
• Contributes to the delivery of high‑impact digital services at scale within a regulated environment

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