Period
to 24 February 2018

The median contractor rate for a Core Java Developer was £613 per day in advertised job vacancies in the City of London during the 6 months to 24 February 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
24 Feb 2018
Same period 2017 Same period 2016
Rank 238 216 203
Rank change year-on-year -22 -13 +65
Contract jobs requiring a Core Java Developer 17 15 23
As % of all contract IT jobs advertised in the City of London 0.24% 0.24% 0.34%
As % of the Job Titles category 0.26% 0.26% 0.36%
Number of daily rates quoted 17 14 22
City of London median daily rate £613 £550 £525
Median daily rate % change year-on-year +11.36% +4.76% -
10th Percentile £431 £457 £463
90th Percentile £700 £646 £588
Central London median daily rate £600 £550 £525
% change year-on-year +9.09% +4.76% +2.44%
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 6,648 5,854 6,456
% of contract IT jobs with a recognized job title 94.30% 95.48% 95.72%
Number of daily rates quoted 5,274 4,628 5,106
City of London median daily rate £500 £475 £475
Median daily rate % change year-on-year +5.26% - +8.57%
10th Percentile £313 £313 £281
90th Percentile £688 £663 £650
Central London median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +4.65%
Number of hourly rates quoted 98 69 96
City of London median hourly rate £17.15 £18.00 £20.00
Median hourly rate % change year-on-year -4.72% -9.99% +14.27%
10th Percentile £11.25 £12.50 £11.50
90th Percentile £34.45 £48.80 £42.00
Central London median hourly rate £18.60 £17.50 £19.99
% change year-on-year +6.29% -12.46% +14.56%

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 24 February 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 24 February 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 17 (100.00%) Java
2 15 (88.24%) Agile Software Development
3 13 (76.47%) Multithreading
4 11 (64.71%) Banking
5 8 (47.06%) Low Latency
5 8 (47.06%) Concurrent Programming
6 7 (41.18%) Multithreaded Programming
6 7 (41.18%) Greenfield Project
6 7 (41.18%) Electronic Trading
6 7 (41.18%) Derivative
6 7 (41.18%) Equity Derivative
6 7 (41.18%) Front Office
6 7 (41.18%) Finance
7 6 (35.29%) SQL
8 4 (23.53%) T-SQL
8 4 (23.53%) JavaScript
8 4 (23.53%) PL/SQL
8 4 (23.53%) Unix
8 4 (23.53%) Windows
8 4 (23.53%) Linux
8 4 (23.53%) OO
8 4 (23.53%) Apache
8 4 (23.53%) Spring
8 4 (23.53%) TDD
8 4 (23.53%) HTML
8 4 (23.53%) Scrum
8 4 (23.53%) Kanban
8 4 (23.53%) JSON
8 4 (23.53%) MiFID
8 4 (23.53%) Continuous Integration

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 4 (23.53%) Apache
1 4 (23.53%) WildFly
2 1 (5.88%) Apache Spark
Cloud Services
1 3 (17.65%) Amazon AWS
1 3 (17.65%) Amazon EC2
1 3 (17.65%) AWS CloudFormation
1 3 (17.65%) Microsoft Azure
Database & Business Intelligence
1 1 (5.88%) Big Data
1 1 (5.88%) Blockchain
Development Applications
1 3 (17.65%) Jenkins
2 2 (11.76%) Maven
3 1 (5.88%) Eclipse
3 1 (5.88%) Git (software)
3 1 (5.88%) IntelliJ
3 1 (5.88%) SonarQube
3 1 (5.88%) TeamCity
General
1 11 (64.71%) Banking
2 7 (41.18%) Finance
2 7 (41.18%) Front Office
3 3 (17.65%) Law
4 2 (11.76%) Retail Banking
5 1 (5.88%) Investment Banking
5 1 (5.88%) Retail
Libraries, Frameworks & Software Standards
1 4 (23.53%) HTML
1 4 (23.53%) HTML5
1 4 (23.53%) JSON
1 4 (23.53%) Kafka
1 4 (23.53%) RabbitMQ
1 4 (23.53%) Spring
2 3 (17.65%) Spring Boot
3 1 (5.88%) Java SE
3 1 (5.88%) Middleware
3 1 (5.88%) OpenCL
Miscellaneous
1 7 (41.18%) Derivative
1 7 (41.18%) Equity Derivative
1 7 (41.18%) Greenfield Project
2 1 (5.88%) Bitcoin
2 1 (5.88%) Credit Derivative
2 1 (5.88%) Fintech
Operating Systems
1 4 (23.53%) Linux
1 4 (23.53%) Unix
1 4 (23.53%) Windows
Processes & Methodologies
1 15 (88.24%) Agile Software Development
2 13 (76.47%) Multithreading
3 8 (47.06%) Concurrent Programming
3 8 (47.06%) Low Latency
4 7 (41.18%) Electronic Trading
4 7 (41.18%) Multithreaded Programming
5 4 (23.53%) Continuous Integration
5 4 (23.53%) Kanban
5 4 (23.53%) OO
5 4 (23.53%) Scrum
5 4 (23.53%) TDD
6 3 (17.65%) Continuous Deployment
6 3 (17.65%) Microservices
6 3 (17.65%) Stakeholder Management
7 1 (5.88%) BDD
7 1 (5.88%) Continuous Delivery
7 1 (5.88%) Pair Programming
Programming Languages
1 17 (100.00%) Java
2 6 (35.29%) SQL
3 4 (23.53%) JavaScript
3 4 (23.53%) PL/SQL
3 4 (23.53%) T-SQL
Quality Assurance & Compliance
1 4 (23.53%) MiFID
System Software
1 3 (17.65%) Docker
Systems Management
1 3 (17.65%) Terraform
Vendors
1 2 (11.76%) Oracle