Lead / Senior Software Engineer / DV Clearable / 5 Days Onsite Location: London We''re seeking experienced Lead and Senior Software Engineers to join a high-performing engineering team delivering modern, secure and scalable software solutions. This is an opportunity to work on complex technology challenges, contribute to large-scale modernisation programmes, and help drive the adoption of AI-enabled engineering practices within highly regulated environments. The Role As a Lead or Senior Software Engineer, you''ll play a key role in designing, building and delivering high-quality software systems that balance performance, security and maintainability. Working closely with product, security and operational teams, you''ll help shape technical solutions while contributing to a culture of engineering excellence. You''ll be involved in the full software development lifecycle, from architecture and design through to deployment and operational support, ensuring solutions are scalable, resilient and fit for purpose. Key responsibilities include: Designing and developing secure, scalable and maintainable software solutions Translating business requirements into robust technical designs Contributing to software and system architecture decisions Building and supporting high-performing CI/CD pipelines and engineering practices Applying modern development standards, clean code principles and secure-by-design approaches Supporting testing, quality assurance and continuous improvement ..... full job details .....