Principal software engineer

Principal Engineer - Full-Stack (Java & React)

Up to £130,000 - London - 3 days per week onsite

Harvey Nash have partnered with a global consultancy that helps major organisations modernise their technology, build scalable digital products, and tackle complex engineering challenges. They partner with brands across finance, retail, tech scale-ups and highly regulated environments delivering high-impact solutions at speed.

They're now hiring multiple Principal Engineer's, people who can lead architecture and delivery, advise clients at a senior level, stay hands-on with modern engineering, and shape the technical direction of major projects.

What You'll Be Doing

* Lead the design and implementation of full-stack applications using technologies like Java, Python and Typescript.
* Have experience or exposure to frameworks like Spring, Flask and React.
* Acting as a senior technical consultant, guiding clients through complex engineering decisions.
* Mentoring and uplifting engineering teams, driving best practice across delivery.
* Owning architectural decisions and contributing to long-term technical strategy.
* Ensuring engineering excellence via code reviews, design governance and DevOps/Agile practices.
* Managing delivery expectations, timelines and stakeholder relationships.