Digital Developer Senior
Posted Today by Experis
Negotiable
Inside
Undetermined
London
Summary: The Digital Developer Senior role involves leading the design and development of full-stack features within a public sector subsidiary, focusing on delivering secure and user-centric digital services. The position requires a hands-on engineer with leadership capabilities to guide multi-disciplinary teams and ensure high-quality solutions that adhere to public sector standards. The role is based in multiple locations including London, Manchester, Birmingham, Cardiff, and Darlington, and requires SC security clearance. The contract duration is for 12 months or more, with an IR35 status of In Scope.
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
- Navigate complex systems and delivery environments effectively
- Proactively identify risks and drive solutions
- Collaborate effectively in a fast-paced delivery environment
- Take ownership and accountability for delivery outcomes
- Contribute to the delivery of high-impact digital services at scale within a regulated environment
Key Skills:
- Strong hands-on experience with Python and Django
- Experience in full-stack development
- Ability to lead and mentor teams
- Proficiency in test-driven development (TDD)
- Knowledge of secure coding practices
- Experience with cloud platforms (AWS, Azure, GCP)
- Strong problem-solving and troubleshooting skills
- Ability to collaborate with cross-functional teams
- Experience in delivering user-focused solutions
- Understanding of public sector digital service standards
Salary (Rate): £750 per day
City: London
Country: United Kingdom
Working Arrangements: undetermined
IR35 Status: inside IR35
Seniority Level: Senior
Industry: IT
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
- Navigate complex systems and delivery environments effectively
- Proactively identify risks and drive solutions
- Collaborate effectively in a fast-paced delivery environment
- Take ownership and accountability for delivery outcomes
- Contribute to the delivery of high-impact digital services at scale within a regulated environment
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