Java Developer I Salaries
Java Developer I salaries in London, United Kingdom
Base pay
£42K - £74K/yr
£55K/yrAverage base pay
Additional salary
£5K/yrAverage
£2K - £9K/yrRange
About our data
Very High Confidence
The “Most Likely Range” reflects values within the 25th and 75th percentile of all pay data available for this role. Glassdoor salaries are powered by our proprietary machine learning model, which utilises salaries collected from our users and the latest government data to make pay predictions.
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Popular companies for Java Developer Is in London, United Kingdom
972 companies
972 Popular companies with Java Developer I
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Recent salaries shared by Java Developer I
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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. Show more
Frequently asked questions about Java Developer I salaries
How much does a Java Developer I in London, United Kingdom make?
The average salary for a Java Developer I is £60,334 per year or £29 per hour in London, United Kingdom, which is 29% lower than the national average. Top earners have reported making up to £113,308 (90th percentile). However, the typical pay range in London, United Kingdom is between £44,025 (25th percentile) and £83,551 (75th percentile) annually. Salary estimates are based on 1587 salaries submitted anonymously to Glassdoor by Java Developer I employees in London, United Kingdom as of July 2026.
What is the highest salary for a Java Developer I in London, United Kingdom?
The highest salary for a Java Developer I in London, United Kingdom is £83,551 per year, £6,963 per month or £40 per hour.
What is the lowest salary for a Java Developer I in London, United Kingdom?
The lowest salary for a Java Developer I in London, United Kingdom is £44,025 per year, £3,669 per month or £21 per hour.
What is the salary trajectory of a Java Developer I?
The salary trajectory of a Java Developer I ranges between locations and employers. The salary starts at £67,852 per year (estimate) and goes up to £155,156 per year (estimate) for the highest level of seniority.




