Lead Software Engineer: AI, Security & Modernisation

Lorien; City Of London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Lorien in London is seeking experienced Lead and Senior Software Engineers to join a high-performing team delivering secure, scalable software solutions. This role focuses on architecture, development, and AI-enabled practices within highly regulated environments, with five days onsite and DV clearance preferred.

You will design, build and operate systems, collaborate with product, security and operations teams, and drive modern engineering standards, CI/CD, and robust testing across the full

Qualifications

• Proven experience across the full software development lifecycle.
• Strong software engineering fundamentals, including system design, API development and data modelling.
• Experience developing clean, maintainable and testable code.
• Strong understanding of modern engineering practices and development standards.
• Experience working within highly regulated, complex or large-scale environments.
• Ability to communicate technical concepts to both technical and non-technical stakeholders.
• Experience using AI tools within the software development process.
• Minimum three years' commercial software engineering experience.

Responsibilities

• 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 initiatives.
• Collaborating with product managers, designers, security teams and engineers to deliver business outcomes.
• Contributing to the integration of AI and machine learning capabilities within software products.

Skills

Full SDLC

API development

Data modelling

Clean code

Modern engineering practices

Regulated environments

Communication

AI tools in SDLC

3+ years experience

Tools

Docker

Kubernetes

GitOps

Vault / AWS Secrets Manager

Job description

Lorien in London is seeking experienced Lead and Senior Software Engineers to join a high-performing team delivering secure, scalable software solutions. This role focuses on architecture, development, and AI-enabled practices within highly regulated environments, with five days onsite and DV clearance preferred.

You will design, build and operate systems, collaborate with product, security and operations teams, and drive modern engineering standards, CI/CD, and robust testing across the full