The following table provides summary statistics for contract job vacancies 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 29 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
UK
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 605 645 641
Rank change year-on-year +40 -4  
Contract jobs citing Guava 9 4 3
As % of all contract IT jobs advertised in the UK 0.019% 0.007% 0.005%
As % of the Libraries, Frameworks & Software Standards category 0.060% 0.026% 0.019%
Number of daily rates quoted 6 1 3
Median daily rate £514 £350 £650
Median daily rate % change year-on-year +46.78% -46.15%  
UK excluding London median daily rate - £350 -
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 with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
UK
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 15092 15313 15456
As % of all contract IT job vacancies advertised in the UK 32.04% 28.51% 27.58%
Number of daily rates quoted 40585 42041 38676
Median daily rate £434 £420 £388
Median daily rate % change year-on-year +3.21% +8.38%  
90% offered a daily rate of more than £306 £297 £269
10% offered a daily rate of more than £600 £575 £563
UK excluding London median daily rate £395 £375 £350
% change year-on-year +5.33% +7.14%  
Number of hourly rates quoted 589 519 682
Median hourly rate £42.50 £36.00 £37.80
Median hourly rate % change year-on-year +18.05% -4.76%  
90% offered a hourly rate of more than £19.25 £17.20 £16.61
10% offered a hourly rate of more than £57.50 £48.76 £55.00
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

Guava
Job Vacancy Trend

Job postings citing Guava as a percentage of all IT jobs advertised.

Job vacancy trend for Guava in the UK

Guava
Contractor Daily Rate Trend

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

Contractor daily rate trend for Guava in the UK

Guava
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Guava in the UK

Guava
Top 2 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Guava within the UK over the 3 months to 29 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
England +33 9 £514 +46.78% 5
London +9 7 £488 - 4

For the 6 months to 29 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 with a requirement for Guava.

1 19 (100.00%) Java
2 17 (89.47%) Spring
3 15 (78.95%) Agile Software Development
4 12 (63.16%) Apache
5 11 (57.89%) JUnit
5 11 (57.89%) OOD
5 11 (57.89%) Git (software)
5 11 (57.89%) Mockito
5 11 (57.89%) Jenkins
6 10 (52.63%) Maven
7 9 (47.37%) Pair Programming
7 9 (47.37%) Scrum
7 9 (47.37%) Unit Testing
7 9 (47.37%) JIRA
7 9 (47.37%) Data Warehouse
7 9 (47.37%) ETL
7 9 (47.37%) Eclipse
7 9 (47.37%) SQL
7 9 (47.37%) OO
7 9 (47.37%) Open Source
7 9 (47.37%) Bash Shell
7 9 (47.37%) Apache Hive
7 9 (47.37%) Hadoop
7 9 (47.37%) Oozie
7 9 (47.37%) Cascading
7 9 (47.37%) Apache Commons
7 9 (47.37%) Algorithms
7 9 (47.37%) ETL Development
8 8 (42.11%) Continuous Deployment
9 7 (36.84%) Enterprise Data Warehouse

Guava
Co-occurring IT Skills 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 12 (63.16%) Apache
2 2 (10.53%) DataSynapse
2 2 (10.53%) Elasticsearch
2 2 (10.53%) JBoss
2 2 (10.53%) nginx
2 2 (10.53%) Oracle SOA Suite
2 2 (10.53%) Tomcat
2 2 (10.53%) WebSphere
3 1 (5.26%) Oracle Coherence
Cloud Services
1 4 (21.05%) Amazon AWS
2 1 (5.26%) Google Cloud Platform
Communications & Networking
1 3 (15.79%) HTTP
Database & Business Intelligence
1 9 (47.37%) Apache Hive
1 9 (47.37%) Data Warehouse
1 9 (47.37%) Hadoop
2 7 (36.84%) Enterprise Data Warehouse
3 6 (31.58%) Hazelcast
4 3 (15.79%) Big Data
5 2 (10.53%) DB2
5 2 (10.53%) MongoDB
5 2 (10.53%) MySQL
Development Applications
1 11 (57.89%) Git (software)
1 11 (57.89%) Jenkins
1 11 (57.89%) JUnit
1 11 (57.89%) Mockito
2 10 (52.63%) Maven
3 9 (47.37%) Eclipse
3 9 (47.37%) JIRA
4 2 (10.53%) Atlassian Bamboo
4 2 (10.53%) Bitbucket
4 2 (10.53%) Checkstyle
4 2 (10.53%) Cucumber
4 2 (10.53%) FindBugs
4 2 (10.53%) FitNesse
4 2 (10.53%) Selenium
4 2 (10.53%) SonarQube
4 2 (10.53%) Subversion
General
1 2 (10.53%) Banking
1 2 (10.53%) Investment Banking
2 1 (5.26%) Finance
2 1 (5.26%) Financial Institution
2 1 (5.26%) Front Office
Job Titles
1 10 (52.63%) Developer
1 10 (52.63%) Java Developer
2 4 (21.05%) Hadoop Developer
2 4 (21.05%) Java Engineer
2 4 (21.05%) Java Hadoop Developer
2 4 (21.05%) Software Engineer
3 3 (15.79%) Agile Developer
3 3 (15.79%) Agile Java Developer
3 3 (15.79%) Big Data Developer
3 3 (15.79%) Hadoop Engineer
3 3 (15.79%) Principal Engineer
3 3 (15.79%) Senior Agile Developer
3 3 (15.79%) Senior Agile Java Developer
3 3 (15.79%) Senior Developer
3 3 (15.79%) Senior Java Developer
4 1 (5.26%) Java Architect
4 1 (5.26%) Java Consultant
4 1 (5.26%) Java Software Engineer
4 1 (5.26%) Principal Architect
4 1 (5.26%) Software Development Engineer
Libraries, Frameworks & Software Standards
1 17 (89.47%) Spring
2 9 (47.37%) Apache Commons
2 9 (47.37%) Cascading
3 6 (31.58%) Dropwizard
4 3 (15.79%) Web Services
5 2 (10.53%) AngularJS
5 2 (10.53%) HATEOAS
5 2 (10.53%) Hibernate
5 2 (10.53%) JAXB
5 2 (10.53%) JAX-RS
5 2 (10.53%) JAX-WS
5 2 (10.53%) JSON
5 2 (10.53%) Node.js
5 2 (10.53%) PowerMock
5 2 (10.53%) REST
5 2 (10.53%) SOAP
5 2 (10.53%) XML
5 2 (10.53%) XSD
6 1 (5.26%) Protocol Buffers
6 1 (5.26%) RxJava
Miscellaneous
1 9 (47.37%) Algorithms
2 7 (36.84%) Computer Science
3 4 (21.05%) Greenfield Project
4 1 (5.26%) Market Risk
Processes & Methodologies
1 15 (78.95%) Agile Software Development
2 11 (57.89%) OOD
3 9 (47.37%) ETL
3 9 (47.37%) ETL Development
3 9 (47.37%) OO
3 9 (47.37%) Open Source
3 9 (47.37%) Pair Programming
3 9 (47.37%) Scrum
3 9 (47.37%) Unit Testing
4 8 (42.11%) Continuous Deployment
5 6 (31.58%) API Design
5 6 (31.58%) DevOps
5 6 (31.58%) TDD
6 5 (26.32%) BDD
6 5 (26.32%) Microservices
7 3 (15.79%) Software Engineering
8 2 (10.53%) Continuous Integration
8 2 (10.53%) SOA
8 2 (10.53%) UML
Programming Languages
1 19 (100.00%) Java
2 9 (47.37%) Bash Shell
2 9 (47.37%) SQL
3 6 (31.58%) Scala
4 2 (10.53%) JavaScript
5 1 (5.26%) C++
Qualifications
1 7 (36.84%) Degree
1 7 (36.84%) Master's Degree
System Software
1 6 (31.58%) Docker
Systems Management
1 9 (47.37%) Oozie
2 6 (31.58%) Ansible
2 6 (31.58%) Opscode Chef
2 6 (31.58%) Puppet
Vendors
1 3 (15.79%) Oracle
2 1 (5.26%) Google
2 1 (5.26%) TIBCO