Popular companies for Principal Java Developers in London, United Kingdom
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Glassdoor Economist Pay Overview
What is the pay outlook for Engineering?
Engineering jobs are in high demand and usually offer above-average salaries. Engineering offers ample opportunity for growth and development with transferable skills across an array of fields from software, supply chain and logistics to aerospace and industry. Most roles require a qualification, which can be obtained through a university degree or a diploma gained during an apprenticeship.
Frequently asked questions about Principal Java Developer salaries
The average salary for a Principal Java Developer is £84,640 per year or £41 per hour in London, United Kingdom, which is 1% lower than the national average. Top earners have reported making up to £114,358 (90th percentile). However, the typical pay range in London, United Kingdom is between £72,238 (25th percentile) and £99,171 (75th percentile) annually. Salary estimates are based on 5 salaries submitted anonymously to Glassdoor by Principal Java Developer employees in London, United Kingdom as of Jul 2026.
The highest salary for a Principal Java Developer in London, United Kingdom is £99,171 per year, £8,264 per month or £48 per hour.
The lowest salary for a Principal Java Developer in London, United Kingdom is £72,238 per year, £6,020 per month or £35 per hour.
The salary trajectory of a Principal Java Developer ranges between locations and employers. The salary starts at £80,136 per year (estimate) and goes up to £155,156 per year (estimate) for the highest level of seniority.
