The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Guava skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Guava over the 3 months to 27 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.

Google Guava
England / London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 417 424 431
Rank change year-on-year +7 +7  
Contract jobs citing Guava 7 3 3
As % of all contract IT jobs advertised in London 0.034% 0.014% 0.013%
As % of the Libraries, Frameworks & Software Standards category 0.094% 0.042% 0.042%
Number of daily rates quoted 4 0 3
Median daily rate £488 - £650
UK excluding London median daily rate £545 £350 -
% change year-on-year +55.71% -  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Guava is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 7469 7068 7228
As % of all contract IT job vacancies advertised in London 35.88% 32.45% 31.38%
Number of daily rates quoted 5550 5424 5248
Median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.55% +5.88%  
90% offered a daily rate of more than £350 £325 £310
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 50 25 49
Median hourly rate £31.00 £40.00 £22.50
Median hourly rate % change year-on-year -22.50% +77.77%  
90% offered a hourly rate of more than £16.00 £20.00 £16.09
10% offered a hourly rate of more than £55.00 £190.00 £60.00
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

Guava
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing Guava as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for Guava in London

Guava
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Guava in London.

Contractor daily rate trend for Guava in London

Guava
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Guava in London.

Contractor hourly rate trend for Guava in London

Guava
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Guava within the London region over the 3 months to 27 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London - 1 £535 -
Guava
England

For the 6 months to 27 June 2017, IT contractor jobs citing Guava 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 London region with a requirement for Guava.

1 18 (100.00%) Java
2 15 (83.33%) Agile Software Development
2 15 (83.33%) Spring
3 11 (61.11%) Apache
4 9 (50.00%) Scrum
4 9 (50.00%) OOD
4 9 (50.00%) JUnit
4 9 (50.00%) Git (software)
4 9 (50.00%) Mockito
4 9 (50.00%) Jenkins
5 8 (44.44%) Continuous Deployment
5 8 (44.44%) Maven
6 7 (38.89%) Pair Programming
6 7 (38.89%) Degree
6 7 (38.89%) Computer Science
6 7 (38.89%) Unit Testing
6 7 (38.89%) JIRA
6 7 (38.89%) SQL
6 7 (38.89%) OO
6 7 (38.89%) Data Warehouse
6 7 (38.89%) ETL
6 7 (38.89%) Eclipse
6 7 (38.89%) Algorithms
6 7 (38.89%) Oozie
6 7 (38.89%) Cascading
6 7 (38.89%) Apache Commons
6 7 (38.89%) Enterprise Data Warehouse
6 7 (38.89%) ETL Development
6 7 (38.89%) Master's Degree
6 7 (38.89%) Hadoop

Guava
Co-occurring IT Skills in 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 11 (61.11%) Apache
2 3 (16.67%) DataSynapse
3 2 (11.11%) Elasticsearch
3 2 (11.11%) JBoss
3 2 (11.11%) nginx
3 2 (11.11%) Oracle Coherence
3 2 (11.11%) Oracle SOA Suite
3 2 (11.11%) Tomcat
3 2 (11.11%) WebSphere
Cloud Services
1 5 (27.78%) Amazon AWS
2 2 (11.11%) Google Cloud Platform
Communications & Networking
1 3 (16.67%) HTTP
Database & Business Intelligence
1 7 (38.89%) Apache Hive
1 7 (38.89%) Data Warehouse
1 7 (38.89%) Enterprise Data Warehouse
1 7 (38.89%) Hadoop
2 6 (33.33%) Hazelcast
3 3 (16.67%) Big Data
4 2 (11.11%) DB2
4 2 (11.11%) MongoDB
4 2 (11.11%) MySQL
Development Applications
1 9 (50.00%) Git (software)
1 9 (50.00%) Jenkins
1 9 (50.00%) JUnit
1 9 (50.00%) Mockito
2 8 (44.44%) Maven
3 7 (38.89%) Eclipse
3 7 (38.89%) JIRA
4 2 (11.11%) Atlassian Bamboo
4 2 (11.11%) Bitbucket
4 2 (11.11%) Checkstyle
4 2 (11.11%) Cucumber
4 2 (11.11%) FindBugs
4 2 (11.11%) FitNesse
4 2 (11.11%) Selenium
4 2 (11.11%) SonarQube
4 2 (11.11%) Subversion
General
1 3 (16.67%) Banking
1 3 (16.67%) Investment Banking
2 2 (11.11%) Finance
2 2 (11.11%) Front Office
3 1 (5.56%) Financial Institution
Job Titles
1 11 (61.11%) Developer
1 11 (61.11%) Java Developer
2 4 (22.22%) Hadoop Developer
2 4 (22.22%) Java Engineer
2 4 (22.22%) Java Hadoop Developer
3 3 (16.67%) Agile Developer
3 3 (16.67%) Agile Java Developer
3 3 (16.67%) Big Data Developer
3 3 (16.67%) Principal Engineer
3 3 (16.67%) Senior Agile Developer
3 3 (16.67%) Senior Agile Java Developer
3 3 (16.67%) Senior Developer
3 3 (16.67%) Senior Java Developer
4 2 (11.11%) Cloud Developer
4 2 (11.11%) Software Engineer
5 1 (5.56%) Architect
5 1 (5.56%) Consultant
5 1 (5.56%) Development Engineer
5 1 (5.56%) Hadoop Engineer
5 1 (5.56%) Principal Architect
Libraries, Frameworks & Software Standards
1 15 (83.33%) Spring
2 7 (38.89%) Apache Commons
2 7 (38.89%) Cascading
3 6 (33.33%) Dropwizard
4 3 (16.67%) Web Services
5 2 (11.11%) AngularJS
5 2 (11.11%) HATEOAS
5 2 (11.11%) Hibernate
5 2 (11.11%) J2SE
5 2 (11.11%) JAXB
5 2 (11.11%) JAX-RS
5 2 (11.11%) JAX-WS
5 2 (11.11%) JNI
5 2 (11.11%) JSON
5 2 (11.11%) Node.js
5 2 (11.11%) PowerMock
5 2 (11.11%) REST
5 2 (11.11%) SOAP
5 2 (11.11%) XML
5 2 (11.11%) XSD
Miscellaneous
1 7 (38.89%) Algorithms
1 7 (38.89%) Computer Science
2 5 (27.78%) Greenfield Project
3 1 (5.56%) Market Risk
Processes & Methodologies
1 15 (83.33%) Agile Software Development
2 9 (50.00%) OOD
2 9 (50.00%) Scrum
3 8 (44.44%) Continuous Deployment
4 7 (38.89%) ETL
4 7 (38.89%) ETL Development
4 7 (38.89%) OO
4 7 (38.89%) Open Source
4 7 (38.89%) Pair Programming
4 7 (38.89%) Unit Testing
5 6 (33.33%) API Design
5 6 (33.33%) DevOps
5 6 (33.33%) TDD
6 5 (27.78%) BDD
6 5 (27.78%) Microservices
7 2 (11.11%) Continuous Integration
7 2 (11.11%) SOA
7 2 (11.11%) UML
8 1 (5.56%) Software Engineering
Programming Languages
1 18 (100.00%) Java
2 7 (38.89%) Bash Shell
2 7 (38.89%) SQL
3 6 (33.33%) Scala
4 2 (11.11%) C++
4 2 (11.11%) JavaScript
Qualifications
1 7 (38.89%) Degree
1 7 (38.89%) Master's Degree
System Software
1 6 (33.33%) Docker
Systems Management
1 7 (38.89%) Oozie
2 6 (33.33%) Ansible
2 6 (33.33%) Opscode Chef
2 6 (33.33%) Puppet
Vendors
1 4 (22.22%) Oracle
2 2 (11.11%) Google
2 2 (11.11%) TIBCO