The following table provides summary statistics for contract job vacancies advertised in the City of 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
London / City of London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 163 - -
Rank change year-on-year - 0  
Contract jobs citing Guava 1 0 0
As % of all contract IT jobs advertised in the City of London 0.030% - -
As % of the Libraries, Frameworks & Software Standards category 0.080% - -
Number of daily rates quoted 1 0 0
Median daily rate £535 - -
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 the City of London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
City of London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 1252 1181 1708
As % of all contract IT job vacancies advertised in the City of London 37.89% 34.87% 29.77%
Number of daily rates quoted 1019 1014 1376
Median daily rate £500 £450 £425
Median daily rate % change year-on-year +11.00% +5.88%  
90% offered a daily rate of more than £363 £325 £318
10% offered a daily rate of more than £625 £575 £600
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 5 1 11
Median hourly rate £24.36 £20.00 £24.23
Median hourly rate % change year-on-year +21.80% -17.45%  
90% offered a hourly rate of more than £21.50 £20.00 £15.64
10% offered a hourly rate of more than £24.86 £20.00 £187.50
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 the City of London

The job posting trend of jobs advertised in the City of 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 the City of London

Guava
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 Guava in the City of London.

Contractor daily rate trend for Guava in the City of London

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 City of London region with a requirement for Guava.

1 6 (100.00%) Java
1 6 (100.00%) Agile Software Development
1 6 (100.00%) Spring
2 5 (83.33%) TDD
2 5 (83.33%) Scala
2 5 (83.33%) BDD
2 5 (83.33%) Puppet
2 5 (83.33%) Hazelcast
2 5 (83.33%) Opscode Chef
2 5 (83.33%) Ansible
2 5 (83.33%) Docker
2 5 (83.33%) DevOps
2 5 (83.33%) API Design
2 5 (83.33%) Dropwizard
2 5 (83.33%) Continuous Deployment
3 3 (50.00%) Microservices
4 2 (33.33%) Greenfield Project
4 2 (33.33%) HTTP
4 2 (33.33%) Amazon AWS
4 2 (33.33%) Web Services
5 1 (16.67%) OO
5 1 (16.67%) Apache
5 1 (16.67%) Data Warehouse
5 1 (16.67%) OOD
5 1 (16.67%) ETL
5 1 (16.67%) Eclipse
5 1 (16.67%) Scrum
5 1 (16.67%) SQL
5 1 (16.67%) JUnit
5 1 (16.67%) Pair Programming

Guava
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 (16.67%) Apache
Cloud Services
1 2 (33.33%) Amazon AWS
Communications & Networking
1 2 (33.33%) HTTP
Database & Business Intelligence
1 5 (83.33%) Hazelcast
2 1 (16.67%) Apache Hive
2 1 (16.67%) Big Data
2 1 (16.67%) Data Warehouse
2 1 (16.67%) Enterprise Data Warehouse
2 1 (16.67%) Hadoop
Development Applications
1 1 (16.67%) Eclipse
1 1 (16.67%) Git (software)
1 1 (16.67%) Jenkins
1 1 (16.67%) JIRA
1 1 (16.67%) JUnit
1 1 (16.67%) Maven
1 1 (16.67%) Mockito
Job Titles
1 4 (66.67%) Developer
1 4 (66.67%) Java Developer
2 3 (50.00%) Agile Developer
2 3 (50.00%) Agile Java Developer
2 3 (50.00%) Senior Agile Developer
2 3 (50.00%) Senior Agile Java Developer
2 3 (50.00%) Senior Developer
2 3 (50.00%) Senior Java Developer
3 2 (33.33%) Java Engineer
3 2 (33.33%) Principal Engineer
4 1 (16.67%) Big Data Developer
Libraries, Frameworks & Software Standards
1 6 (100.00%) Spring
2 5 (83.33%) Dropwizard
3 2 (33.33%) Web Services
4 1 (16.67%) Apache Commons
4 1 (16.67%) Cascading
Miscellaneous
1 2 (33.33%) Greenfield Project
2 1 (16.67%) Algorithms
2 1 (16.67%) Computer Science
Processes & Methodologies
1 6 (100.00%) Agile Software Development
2 5 (83.33%) API Design
2 5 (83.33%) BDD
2 5 (83.33%) Continuous Deployment
2 5 (83.33%) DevOps
2 5 (83.33%) TDD
3 3 (50.00%) Microservices
4 1 (16.67%) ETL
4 1 (16.67%) ETL Development
4 1 (16.67%) OO
4 1 (16.67%) OOD
4 1 (16.67%) Open Source
4 1 (16.67%) Pair Programming
4 1 (16.67%) Scrum
4 1 (16.67%) Unit Testing
Programming Languages
1 6 (100.00%) Java
2 5 (83.33%) Scala
3 1 (16.67%) Bash Shell
3 1 (16.67%) SQL
Qualifications
1 1 (16.67%) Degree
1 1 (16.67%) Master's Degree
System Software
1 5 (83.33%) Docker
Systems Management
1 5 (83.33%) Ansible
1 5 (83.33%) Opscode Chef
1 5 (83.33%) Puppet
2 1 (16.67%) Oozie