Period
to 17 August 2018

The median contractor rate for a Core Java Developer was £675 per day in advertised job vacancies in the City of London during the 6 months to 17 August 2018.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Core Java Developer
Central London > City of London
6 months to
17 Aug 2018
Same period 2017 Same period 2016
Rank 254 216 222
Rank change year-on-year -38 +6 +57
Contract jobs requiring a Core Java Developer 7 28 21
As % of all contract IT jobs advertised in the City of London 0.099% 0.42% 0.31%
As % of the Job Titles category 0.10% 0.44% 0.32%
Number of daily rates quoted 7 25 21
City of London median daily rate £675 £625 £555
Median daily rate % change year-on-year +8.00% +12.61% +5.71%
10th Percentile £500 £455 £413
90th Percentile £773 £700 £650
Central London median daily rate £613 £625 £540
% change year-on-year -2.00% +15.74% +2.86%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in the City of London. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
City of London
Contract vacancies in the City of London with a recognized job title 6,689 6,313 6,476
% of contract IT jobs with a recognized job title 94.97% 95.54% 95.38%
Number of daily rates quoted 5,245 4,850 5,200
City of London median daily rate £500 £500 £475
Median daily rate % change year-on-year - +5.26% +5.56%
10th Percentile £313 £313 £300
90th Percentile £681 £675 £650
Central London median daily rate £500 £495 £455
% change year-on-year +1.01% +8.79% +1.11%
Number of hourly rates quoted 131 75 70
City of London median hourly rate £18.70 £18.10 £19.00
Median hourly rate % change year-on-year +3.31% -4.74% +2.70%
10th Percentile £13.25 £13.25 £11.25
90th Percentile £28.55 £30.45 £35.86
Central London median hourly rate £18.70 £18.69 £19.00
% change year-on-year +0.05% -1.63% +5.56%

Core Java Developer
Job Vacancy Trend in the City of London

Job postings that featured Core Java Developer in the job title as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Core Java Developer in the City of London

Core Java Developer
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Core Java Developer in the City of London.

Contractor daily rate trend for Core Java Developer in the City of London

Core Java Developer
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Core Java Developer in the City of London over the 6 months to 17 August 2018.

Contractor daily rate histogram for Core Java Developer in the City of London

Core Java Developer Skill Set
Top 30 Co-occurring IT Skills in the City of London

For the 6 months to 17 August 2018, Core Java Developer contract jobs required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region featuring Core Java Developer in the job title.

1 7 (100.00%) Java
2 6 (85.71%) Low Latency
3 5 (71.43%) Concurrent Programming
3 5 (71.43%) Multithreading
4 4 (57.14%) Front Office
4 4 (57.14%) FIX Protocol
5 3 (42.86%) Finance
5 3 (42.86%) Agile Software Development
5 3 (42.86%) TDD
6 2 (28.57%) Banking
6 2 (28.57%) J2SE
6 2 (28.57%) Foreign Exchange (FX)
6 2 (28.57%) Internet
6 2 (28.57%) JavaScript
6 2 (28.57%) C
6 2 (28.57%) HTML
6 2 (28.57%) JUnit
6 2 (28.57%) Unix
6 2 (28.57%) Linux
6 2 (28.57%) Maven
6 2 (28.57%) Derivative
6 2 (28.57%) Equity Derivative
6 2 (28.57%) Electronic Trading
6 2 (28.57%) Groovy
6 2 (28.57%) Git (software)
6 2 (28.57%) QA
6 2 (28.57%) jMock
6 2 (28.57%) Algorithmic Trading
6 2 (28.57%) Continuous Integration
6 2 (28.57%) FX Algorithmic Trading

Core Java Developer Skill Set
Co-occurring IT Skills in the City of London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (14.29%) Oracle Coherence
Communications & Networking
1 2 (28.57%) Internet
Development Applications
1 2 (28.57%) Git (software)
1 2 (28.57%) Gradle
1 2 (28.57%) Jenkins
1 2 (28.57%) jMock
1 2 (28.57%) JUnit
1 2 (28.57%) Maven
1 2 (28.57%) Mockito
General
1 4 (57.14%) Front Office
2 3 (42.86%) Finance
3 2 (28.57%) Banking
Libraries, Frameworks & Software Standards
1 4 (57.14%) FIX Protocol
2 2 (28.57%) HTML
2 2 (28.57%) HTML5
2 2 (28.57%) J2SE
3 1 (14.29%) Java SE
3 1 (14.29%) JMS
3 1 (14.29%) Middleware
3 1 (14.29%) RESTful
3 1 (14.29%) Spring
3 1 (14.29%) Web Services
Miscellaneous
1 2 (28.57%) Derivative
1 2 (28.57%) Equity Derivative
1 2 (28.57%) Foreign Exchange (FX)
1 2 (28.57%) User Experience
Operating Systems
1 2 (28.57%) Linux
1 2 (28.57%) Unix
Processes & Methodologies
1 6 (85.71%) Low Latency
2 5 (71.43%) Concurrent Programming
2 5 (71.43%) Multithreading
3 3 (42.86%) Agile Software Development
3 3 (42.86%) TDD
4 2 (28.57%) Algorithmic Trading
4 2 (28.57%) API Design
4 2 (28.57%) Continuous Integration
4 2 (28.57%) Electronic Trading
4 2 (28.57%) Front End Development
4 2 (28.57%) FX Algorithmic Trading
4 2 (28.57%) Performance Optimisation
5 1 (14.29%) OOP
Programming Languages
1 7 (100.00%) Java
2 2 (28.57%) C
2 2 (28.57%) Clojure
2 2 (28.57%) Groovy
2 2 (28.57%) JavaScript
2 2 (28.57%) Kotlin
2 2 (28.57%) Scala
Quality Assurance & Compliance
1 2 (28.57%) QA
Vendors
1 1 (14.29%) Oracle