> Markdown version of [/jobs/ext/3305487-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/3305487-principal-software-engineer). 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 - **Company:** Capgemini - **Location:** London, UK (Remote available) - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Microsoft Azure, Continuous Integration, Service Development Studio, TypeScript, Google Cloud, Cloud Platform System, Front End Software Development - **Published:** September 11, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=4d9649cb5fa84155 ## About the Role * An expert in Full-Stack JavaScript/Typescript, with experience across any of the modern core frameworks from frontend through to API/service development * An end-to-end engineer, comfortable and experienced designing and deploying to cloud environments (e.g. GCP, Azure, AWS + CI/CD) * Someone who takes pride in their craft and centres technical decisions around user needs. * Comfortable and excited about uncertainty. We start with business and end user problems, not technical specs! * An aspiring leader, who takes ownership of projects from early stages, and gives clear direction, support and mentorship to more junior team members Strong presentation skills with the ability to engage with and understand stakeholders, working with them to create impactful solutions. * Your security clearance To be successfully appointed to this role you will need to undergo Baseline Personnel Security Standard checks. There are no nationality or residency restrictions, although if you have resided outside of the UK within the last 3 years, further checks may be required. There are other criteria and check required for BPSS, and throughout the recruitment process, you will be asked questions about your security clearance eligibility such as, but not limited to, country of residence and nationality.