The following table provides summary statistics for contract job vacancies advertised in Welwyn Garden City with a requirement for Java skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Java over the 3 months to 28 June 2017 with a comparison to the 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.

Java
Hertfordshire / Welwyn Garden City
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 8 13 16
Rank change year-on-year +5 +3  
Contract jobs citing Java 5 4 7
As % of all contract IT jobs advertised in Welwyn Garden City 8.93% 6.06% 5.60%
As % of the Programming Languages category 20.83% 16.67% 17.07%
Number of daily rates quoted 3 3 3
Median daily rate £525 £400 £377
Median daily rate % change year-on-year +31.25% +5.99%  
UK excluding London median daily rate £425 £420 £400
% change year-on-year +1.19% +5.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £45.00 £36.00 £40.00
% change year-on-year +25.00% -10.00%  

Java is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Welwyn Garden City with a requirement for programming language skills.

Contract Programming Language Skills
Welwyn Garden City
Contract job vacancies with a requirement for programming language skills 24 24 41
As % of all contract IT job vacancies advertised in Welwyn Garden City 42.86% 36.36% 32.80%
Number of daily rates quoted 19 22 58
Median daily rate £450 £400 £318
Median daily rate % change year-on-year +12.50% +25.67%  
90% offered a daily rate of more than £213 £283 £261
10% offered a daily rate of more than £588 £440 £421
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £37.00 £37.00
% change year-on-year +14.86% -  

Java
Job Vacancy Trend in Welwyn Garden City

Job postings citing Java as a percentage of all IT jobs advertised in Welwyn Garden City.

Job vacancy trend for Java in Welwyn Garden City

Java
Contractor Daily Rate Trend in Welwyn Garden City

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Java in Welwyn Garden City.

Contractor daily rate trend for Java in Welwyn Garden City

Java
Contractor Daily Rate Histogram in Welwyn Garden City

The daily rate distribution of IT jobs citing Java in Welwyn Garden City over the 3 months to 28 June 2017.

Contractor daily rate histogram for Java in Welwyn Garden City

For the 6 months to 28 June 2017, IT contractor jobs citing Java also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Welwyn Garden City region with a requirement for Java.

1 11 (64.71%) DevOps
2 9 (52.94%) Python
3 8 (47.06%) Apache
3 8 (47.06%) Tomcat
3 8 (47.06%) Linux
3 8 (47.06%) Perl
3 8 (47.06%) SQL
3 8 (47.06%) PostgreSQL
3 8 (47.06%) Ruby
3 8 (47.06%) Bash Shell
3 8 (47.06%) LAPP Stack
4 7 (41.18%) Puppet
4 7 (41.18%) Firewall
4 7 (41.18%) Clustering
4 7 (41.18%) TCP/IP
4 7 (41.18%) SSL
5 5 (29.41%) E-Commerce
6 4 (23.53%) Finance
6 4 (23.53%) Agile Software Development
6 4 (23.53%) TDD
6 4 (23.53%) Software Engineering
7 3 (17.65%) Banking
7 3 (17.65%) Spring
7 3 (17.65%) LAMP
7 3 (17.65%) Windows
7 3 (17.65%) MySQL
7 3 (17.65%) PHP
7 3 (17.65%) C
7 3 (17.65%) HTML
7 3 (17.65%) Microservices

Java
Co-occurring IT Skills in Welwyn Garden City 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 8 (47.06%) Apache
1 8 (47.06%) Tomcat
Business Applications
1 3 (17.65%) Payment Gateway
Cloud Services
1 3 (17.65%) Amazon AWS
Communications & Networking
1 7 (41.18%) Firewall
1 7 (41.18%) SSL
1 7 (41.18%) TCP/IP
Database & Business Intelligence
1 8 (47.06%) PostgreSQL
2 3 (17.65%) MySQL
3 1 (5.88%) Big Data
Development Applications
1 1 (5.88%) Ant
1 1 (5.88%) Git (software)
1 1 (5.88%) Gradle
1 1 (5.88%) Jenkins
1 1 (5.88%) JIRA
1 1 (5.88%) Maven
General
1 4 (23.53%) Finance
2 3 (17.65%) Banking
3 2 (11.76%) Retail
4 1 (5.88%) Retail Banking
Job Titles
1 6 (35.29%) DevOps Engineer
2 3 (17.65%) Software Engineer
2 3 (17.65%) Support Engineer
3 2 (11.76%) Architect
3 2 (11.76%) AWS Architect
3 2 (11.76%) Java Architect
4 1 (5.88%) Applications Consultant
4 1 (5.88%) Applications Support
4 1 (5.88%) Customer Support Engineer
4 1 (5.88%) Data Scientist
4 1 (5.88%) Developer
4 1 (5.88%) DevOps Systems Engineer
4 1 (5.88%) Infrastructure Engineer
4 1 (5.88%) Integration Engineer
4 1 (5.88%) Java Developer
4 1 (5.88%) Java Engineer
4 1 (5.88%) Security Consultant
4 1 (5.88%) Software Support Engineer
4 1 (5.88%) Test Consultant
4 1 (5.88%) Web Applications Support
Libraries, Frameworks & Software Standards
1 8 (47.06%) LAPP Stack
2 3 (17.65%) HTML
2 3 (17.65%) LAMP
2 3 (17.65%) Spring
3 2 (11.76%) JSON
3 2 (11.76%) REST
3 2 (11.76%) Spring Boot
3 2 (11.76%) XML
4 1 (5.88%) .NET
4 1 (5.88%) Hibernate
4 1 (5.88%) Middleware
4 1 (5.88%) RESTful
4 1 (5.88%) Web Services
Miscellaneous
1 7 (41.18%) Clustering
2 2 (11.76%) Algorithms
2 2 (11.76%) Computer Science
2 2 (11.76%) iPad
3 1 (5.88%) Analytical Skills
3 1 (5.88%) Data Centre
3 1 (5.88%) Data Structures
3 1 (5.88%) EFT
3 1 (5.88%) Management Information System
Operating Systems
1 8 (47.06%) Linux
2 3 (17.65%) Windows
Processes & Methodologies
1 11 (64.71%) DevOps
2 5 (29.41%) E-Commerce
3 4 (23.53%) Agile Software Development
3 4 (23.53%) Software Engineering
3 4 (23.53%) TDD
4 3 (17.65%) Microservices
5 2 (11.76%) BDD
5 2 (11.76%) Continuous Delivery
5 2 (11.76%) Kanban
5 2 (11.76%) Open Source
5 2 (11.76%) Refactoring
5 2 (11.76%) Scrum
5 2 (11.76%) SOLID
6 1 (5.88%) Configuration Management
6 1 (5.88%) Information Security
6 1 (5.88%) Mathematics
6 1 (5.88%) OO
6 1 (5.88%) OOD
6 1 (5.88%) Project Management
6 1 (5.88%) Risk Management
Programming Languages
1 9 (52.94%) Python
2 8 (47.06%) Bash Shell
2 8 (47.06%) Perl
2 8 (47.06%) Ruby
2 8 (47.06%) SQL
3 3 (17.65%) C
3 3 (17.65%) PHP
4 1 (5.88%) C#
4 1 (5.88%) C++
4 1 (5.88%) Clojure
4 1 (5.88%) F#
4 1 (5.88%) Go
4 1 (5.88%) PowerShell
4 1 (5.88%) Rust
4 1 (5.88%) Scala
Qualifications
1 1 (5.88%) Degree
1 1 (5.88%) PhD
1 1 (5.88%) RHCE
Quality Assurance & Compliance
1 1 (5.88%) QA
System Software
1 1 (5.88%) Docker
Systems Management
1 7 (41.18%) Puppet
2 1 (5.88%) Ansible
2 1 (5.88%) Opscode Chef
2 1 (5.88%) Salt