> Markdown version of [/jobs/ext/4175939-principal-full-stack-engineer](https://www.wearedevelopers.com/jobs/ext/4175939-principal-full-stack-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 Full Stack Engineer - **Company:** Exalto Consulting - **Location:** Leeds, UK - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Amazon Web Services, Microsoft Azure, C Sharp (Programming Language), Continuous Integration, Github, Python (Programming Language), MongoDB, Node.Js, NoSQL, Git, Gitlab-ci, Terraform, Software Version Control, Service Stack, Jenkins - **Published:** October 17, 2026 - **Apply:** https://www.totaljobs.com/job/principal-full-stack-engineer/exalto-consulting-ltd-job108188248 ## About the Role This is an opportunity for an experienced engineer who enjoys remaining hands-on while also mentoring others, influencing technical strategy, and helping teams deliver their best work. Skills & Experience We are interested in individuals who combine strong technical capability with excellent communication and leadership skills. You should have experience in: * At least two of the following technologies: Python, JavaScript, Node.js, C# or Java * Building and supporting applications within AWS and/or Azure * Infrastructure as Code using Terraform or similar technologies * CI/CD tooling such as GitHub Actions, GitLab CI, Jenkins or Azure DevOps * Modern source control practices using Git * Working with relational and/or NoSQL databases * Agile delivery environments * Supporting live products and production services * Leading technical teams and mentoring engineers * Influencing architectural decisions and engineering direction * Engaging effectively with both technical and non-technical stakeholders * Using AI-assisted development tools to improve delivery and productivity The following would be beneficial but are not essential: * MongoDB or other NoSQL technologies * Consultancy or client-facing project experience * Public sector or healthcare projects * Community involvement through mentoring, blogging, speaking, or technical events * Experience working across a variety of technology stacks