Lead Mobile Developer

Lead Mobile Developer
2 days a week on-site in London
£600-£630 inside IR35
Requires Active BPSS Clearance

The Opportunity

We are looking for a Lead Mobile Developer to play a key role in delivering secure, mission-critical digital services within the UK Government and Defence sector. Working across complex programmes, you will lead the design, development and deployment of mobile solutions for both iOS and Android platforms, ensuring they meet the highest standards of security, scalability and performance.

This is a hands-on leadership role requiring a strong technical background, the ability to influence architectural decisions, and experience guiding development teams through the full software delivery life-cycle.

Key Responsibilities

• Lead the development of secure mobile applications across iOS and Android platforms.
• Define and implement robust software architecture and design strategies aligned with government standards and best practices.
• Contribute to full stack development activities, integrating mobile solutions with enterprise platforms and back-end services.
• Drive successful delivery within Agile and Scrum environments.
• Conduct code reviews and enforce quality, security, and engineering standards.
• Provide technical leadership, coaching, and mentoring to development teams.
• Engage with technical and non-technical stakeholders across government and defence programmes.
• Support continuous improvement initiatives and the adoption of modern engineering practices.

Required Skills & Experience

• Proven experience leading mobile development teams delivering enterprise-scale solutions.
• Strong commercial experience developing applications for both Android and iOS.
• Expertise in Software Architecture & Design for modern mobile applications.
• Experience with Full Stack Development and cloud-connected applications.
• Strong understanding of Agile & Scrum Delivery methodologies.
• Demonstrable experience in Code Review & Quality Assurance practices.
• Proven ability in Technical Leadership & Mentoring.
• Experience working within government, defence, public sector, or highly regulated environments.
• Understanding of secure software development and security-by-design principles.

Desirable Experience

• Active SC Clearance.
• Experience delivering solutions into MOD, central government, or defence organisations.
• Knowledge of cloud-native technologies and DevOps practices.
• Experience working within secure or classified environments.

What We're Looking For

• A technically strong leader who can balance strategic thinking with hands-on development.
• Someone passionate about delivering secure digital services that make a real impact.
• An excellent communicator who can work effectively with stakeholders across complex government programmes.
• A mentor who enjoys developing high-performing engineering teams.

To learn more, please do reach out to Jess Walrond at Sanderson Government and Defence at

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.