Period
to 10 December 2017

The following table provides summary statistics for contract job vacancies advertised in Croydon with a requirement for OO skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited OO over the 6 months to 10 December 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.

Object-Oriented (OO)
South London > Croydon
6 months to
10 Dec 2017
Same period 2016 Same period 2015
Rank 31 65 47
Rank change year-on-year +34 -18 -21
Contract jobs citing OO 76 10 6
As % of all contract IT jobs advertised in Croydon 8.06% 1.88% 1.68%
As % of the Processes & Methodologies category 8.79% 2.07% 1.90%
Number of daily rates quoted 52 10 3
Croydon median daily rate £528 £469 £400
Median daily rate % change year-on-year +12.53% +17.19% -3.03%
10th Percentile £421 £416 £368
90th Percentile £575 £575 £463
South London median daily rate £525 £442 £375
% change year-on-year +18.85% +17.80% -
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate £47.83 - -

OO is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Croydon with a requirement for process or methodology skills.

All Process and Methodology Skills
Croydon
Contract vacancies with a requirement for process or methodology skills 865 484 315
As % of all contract IT jobs advertised in Croydon 91.73% 90.81% 88.24%
Number of daily rates quoted 574 287 209
Croydon median daily rate £500 £425 £425
Median daily rate % change year-on-year +17.65% - -5.56%
10th Percentile £351 £300 £313
90th Percentile £675 £575 £525
South London median daily rate £500 £425 £380
% change year-on-year +17.65% +11.84% -7.88%
Number of hourly rates quoted 3 6 3
Croydon median hourly rate £13.50 £35.25 £12.50
Median hourly rate % change year-on-year -61.70% +182.00% -16.67%
10th Percentile £12.80 £21.00 £11.25
90th Percentile £25.65 £95.00 £26.75
South London median hourly rate £46.25 £23.50 £19.49
% change year-on-year +96.81% +20.61% +21.78%

OO
Job Vacancy Trend in Croydon

Job postings citing OO as a percentage of all IT jobs advertised in Croydon.

Job vacancy trend for OO in Croydon

OO
Contractor Daily Rate Trend in Croydon

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

Contractor daily rate trend for OO in Croydon

OO
Contractor Daily Rate Histogram in Croydon

The daily rate distribution of IT jobs citing OO in Croydon over the 6 months to 10 December 2017.

Contractor daily rate histogram for OO in Croydon

For the 6 months to 10 December 2017, IT contractor jobs citing OO 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 Croydon region with a requirement for OO.

1 73 (96.05%) Java
2 67 (88.16%) Agile Software Development
3 65 (85.53%) Git (software)
4 62 (81.58%) Microservices
5 54 (71.05%) REST
6 50 (65.79%) Maven
7 47 (61.84%) Security Cleared
8 43 (56.58%) RESTful
9 42 (55.26%) Mockito
9 42 (55.26%) JUnit
10 41 (53.95%) Confluence
10 41 (53.95%) JIRA
10 41 (53.95%) SonarQube
11 39 (51.32%) TDD
12 36 (47.37%) SC Cleared
13 35 (46.05%) Continuous Integration
14 34 (44.74%) Test Automation
15 33 (43.42%) Hibernate
16 32 (42.11%) Drools
17 31 (40.79%) Dependency Injection
18 29 (38.16%) CQRS
18 29 (38.16%) JAX-RS
18 29 (38.16%) JPQL
18 29 (38.16%) Domain-Driven Design
18 29 (38.16%) Java EE
18 29 (38.16%) VMS
18 29 (38.16%) RDBMS
18 29 (38.16%) Spring
18 29 (38.16%) Checkstyle
18 29 (38.16%) Unix

OO
Co-occurring IT Skills in Croydon 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 41 (53.95%) Confluence
2 29 (38.16%) WildFly
3 16 (21.05%) Tomcat
4 12 (15.79%) Apache
5 11 (14.47%) WebLogic
6 7 (9.21%) OpenStack
6 7 (9.21%) WebSphere
7 5 (6.58%) JBoss
8 3 (3.95%) Apache Solr
8 3 (3.95%) Apache Spark
Business Applications
1 1 (1.32%) Oracle BPM
Cloud Services
1 13 (17.11%) Amazon AWS
2 7 (9.21%) Microsoft Azure
3 3 (3.95%) Amazon EC2
Communications & Networking
1 3 (3.95%) Kerberos
Database & Business Intelligence
1 29 (38.16%) RDBMS
1 29 (38.16%) Relational Database
2 20 (26.32%) NoSQL
3 17 (22.37%) Hadoop
4 16 (21.05%) HBase
4 16 (21.05%) PostgreSQL
5 10 (13.16%) Big Data
6 7 (9.21%) MySQL
7 4 (5.26%) SQL Server
8 3 (3.95%) DataStax
Development Applications
1 65 (85.53%) Git (software)
2 50 (65.79%) Maven
3 42 (55.26%) JUnit
3 42 (55.26%) Mockito
4 41 (53.95%) JIRA
4 41 (53.95%) SonarQube
5 29 (38.16%) Checkstyle
5 29 (38.16%) Liquibase
5 29 (38.16%) Vagrant
6 26 (34.21%) Jenkins
7 13 (17.11%) DbUnit
7 13 (17.11%) jMock
8 11 (14.47%) IntelliJ
9 7 (9.21%) MSTest
9 7 (9.21%) NUnit
10 4 (5.26%) Eclipse
10 4 (5.26%) Grunt
11 3 (3.95%) Cucumber
11 3 (3.95%) gulp
12 2 (2.63%) git-flow
General
1 11 (14.47%) Finance
2 4 (5.26%) Banking
2 4 (5.26%) Investment Banking
Job Titles
1 72 (94.74%) Developer
2 63 (82.89%) Java Developer
3 27 (35.53%) SC Cleared Java Developer
4 11 (14.47%) BPM Developer
5 10 (13.16%) Lead Developer
6 8 (10.53%) Agile Developer
6 8 (10.53%) Agile Java Developer
6 8 (10.53%) Big Data Developer
6 8 (10.53%) Lead Java Developer
7 3 (3.95%) Hadoop Developer
7 3 (3.95%) Java Hadoop Developer
8 2 (2.63%) Front End Developer (Client-Side Developer)
8 2 (2.63%) Senior Developer
8 2 (2.63%) Senior Java Developer
9 1 (1.32%) Applications Developer
9 1 (1.32%) Java Applications Developer
9 1 (1.32%) Java Team Leader
9 1 (1.32%) JavaScript Developer
9 1 (1.32%) Team Leader
9 1 (1.32%) UI Developer
Libraries, Frameworks & Software Standards
1 54 (71.05%) REST
2 43 (56.58%) RESTful
3 33 (43.42%) Hibernate
4 32 (42.11%) Drools
5 29 (38.16%) Java EE
5 29 (38.16%) JAX-RS
5 29 (38.16%) JMS
5 29 (38.16%) Lambda Expressions
5 29 (38.16%) Spring
5 29 (38.16%) WireMock
6 26 (34.21%) Web Services
7 23 (30.26%) Apache Camel
8 17 (22.37%) Spring Boot
9 13 (17.11%) J2EE
9 13 (17.11%) PowerMock
9 13 (17.11%) SOAP
10 8 (10.53%) HTML
10 8 (10.53%) HTML5
10 8 (10.53%) XML
11 4 (5.26%) JSP
Miscellaneous
1 29 (38.16%) Linux Command Line
2 11 (14.47%) Algorithms
3 4 (5.26%) Analytical Skills
3 4 (5.26%) Computer Science
4 2 (2.63%) Enterprise Software
5 1 (1.32%) User Experience
Operating Systems
1 29 (38.16%) Unix
1 29 (38.16%) VMS
2 11 (14.47%) Linux
Processes & Methodologies
1 67 (88.16%) Agile Software Development
2 62 (81.58%) Microservices
3 39 (51.32%) TDD
4 35 (46.05%) Continuous Integration
5 34 (44.74%) Test Automation
6 31 (40.79%) Dependency Injection
7 29 (38.16%) CQRS
7 29 (38.16%) Domain-Driven Design
7 29 (38.16%) OOA/OOD
8 26 (34.21%) Scrum
9 16 (21.05%) BDD
10 15 (19.74%) OOD
11 12 (15.79%) E-Commerce
11 12 (15.79%) Kanban
12 11 (14.47%) Technical Architecture
13 5 (6.58%) DevOps
14 3 (3.95%) Data Architecture
14 3 (3.95%) Performance Optimisation
14 3 (3.95%) Virtual Infrastructure
15 2 (2.63%) Multithreading
Programming Languages
1 73 (96.05%) Java
2 29 (38.16%) JPQL
3 6 (7.89%) SQL
4 3 (3.95%) Python
4 3 (3.95%) Scala
5 2 (2.63%) JavaScript
6 1 (1.32%) PHP
6 1 (1.32%) PL/SQL
6 1 (1.32%) VBScript
Qualifications
1 47 (61.84%) Security Cleared
2 36 (47.37%) SC Cleared
3 5 (6.58%) BPSS Clearance
4 1 (1.32%) DBS Check
4 1 (1.32%) DV Cleared
Quality Assurance & Compliance
1 2 (2.63%) WCAG
2 1 (1.32%) QA
System Software
1 3 (3.95%) Apache ZooKeeper
1 3 (3.95%) HDFS
1 3 (3.95%) VMware Infrastructure
1 3 (3.95%) vSphere
Systems Management
1 11 (14.47%) Kubernetes
2 7 (9.21%) Ansible
2 7 (9.21%) Opscode Chef
2 7 (9.21%) Puppet
3 1 (1.32%) Kibana
Vendors
1 8 (10.53%) Oracle
2 4 (5.26%) Perforce
2 4 (5.26%) VMware
3 3 (3.95%) Hortonworks