> Markdown version of [/jobs/ext/3882713-principal-software-engineer-edv-cleared](https://www.wearedevelopers.com/jobs/ext/3882713-principal-software-engineer-edv-cleared). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer - eDV Cleared - **Company:** Searchability - **Location:** London, UK - **Experience:** Expert - **Salary:** £90,000.0 - £120,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Amazon Web Services, Cloud Computing, Continuous Integration, DevOps, Python (Programming Language), Apache Maven, TypeScript, ReactJS, Spring-boot, Backend, Containerization, Npm(Software), Front End Software Development, Docker - **Published:** October 23, 2026 - **Apply:** https://www.reed.co.uk/jobs/principal-software-engineer-edv-cleared/57486908 ## About the Role We're looking for an experienced Software Engineer who has progressed into a senior/principal-level technical leadership role. You'll ideally have strong experience across one or more of the following: * Backend: Java, Spring Boot, Maven and/or Python * Frontend: JavaScript, TypeScript, React and npm * Designing, developing and deploying scalable software systems. * DevOps and CI/CD practices. * Containerisation technologies including Docker and Kubernetes. * Cloud technologies, ideally AWS. * Agile software development environments. * Leading, mentoring or providing technical direction to other engineers. Strong communication and problem-solving skills are essential, alongside the ability to work with both technical and non-technical stakeholders., If you're an experienced Software Engineer, Senior Software Engineer, Lead Engineer or Principal Engineer with active eDV clearance and you're interested in working on genuinely mission-critical technology, I'd be keen to speak with you., * Java * National Security * React * AWS * Principal Software Engineer * NSD * eDV Clearance ## Description As a Principal Software Engineer, you'll act as a senior technical authority, working closely with engineering teams, technical leads, customers and external partners. You'll be responsible for: * Taking ownership of deliverables across multiple engineering teams and defining technical approaches to meet customer requirements. * Acting as a key technical point of contact for your area of responsibility. * Working with senior customers and external partners, coordinating technical activity across organisations. * Providing technical leadership, mentoring engineers and supporting the development of engineering capability. * Contributing to technical architecture, design, development and delivery planning. * Helping teams overcome complex technical and delivery challenges.