The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for Continuous Integration skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Continuous Integration 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.

Continuous Integration
East of England / Hertfordshire
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 47 42 61
Rank change year-on-year -5 +19  
Contract jobs citing Continuous Integration 15 18 13
As % of all contract IT jobs advertised in Hertfordshire 2.35% 2.71% 1.48%
As % of the Processes & Methodologies category 2.95% 3.45% 1.87%
Number of daily rates quoted 5 10 4
Median daily rate £438 £488 £400
Median daily rate % change year-on-year -10.25% +21.87%  
90% offered a daily rate of more than £368 £369 £292
10% offered a daily rate of more than £560 £537 £460
UK excluding London median daily rate £425 £425 £375
% change year-on-year - +13.33%  
Number of hourly rates quoted 0 0 1
Median hourly rate - - £32.50
UK excluding London median hourly rate £47.50 £36.75 £35.00
% change year-on-year +29.25% +5.00%  

Continuous Integration is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hertfordshire with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Hertfordshire
Contract job vacancies with a requirement for process and methodology skills 508 522 696
As % of all contract IT job vacancies advertised in Hertfordshire 79.75% 78.61% 79.09%
Number of daily rates quoted 905 1057 1232
Median daily rate £425 £425 £377
Median daily rate % change year-on-year - +12.62%  
90% offered a daily rate of more than £263 £288 £281
10% offered a daily rate of more than £575 £569 £525
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 59 35 151
Median hourly rate £17.50 £25.00 £32.50
Median hourly rate % change year-on-year -30.02% -23.07%  
90% offered a hourly rate of more than £11.91 £15.00 £10.25
10% offered a hourly rate of more than £46.50 £53.75 £50.00
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

Continuous Integration
Job Vacancy Trend in Hertfordshire

Job postings citing Continuous Integration as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Continuous Integration in Hertfordshire

Continuous Integration
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Continuous Integration in Hertfordshire

Continuous Integration
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Continuous Integration in Hertfordshire over the 3 months to 28 June 2017.

Contractor daily rate histogram for Continuous Integration in Hertfordshire

Continuous Integration
Contractor Hourly Rate Trend in Hertfordshire

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

Contractor hourly rate trend for Continuous Integration in Hertfordshire

Continuous Integration
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Continuous Integration within the Hertfordshire region over the 3 months to 28 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
Watford -8 5 £538 +34.37% 1
Hatfield - 3 £438 - 2
Rickmansworth - 3 £350 -
St Albans - 1 - - 1
Continuous Integration
East of England

For the 6 months to 28 June 2017, IT contractor jobs citing Continuous Integration 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 Hertfordshire region with a requirement for Continuous Integration.

1 25 (65.79%) Agile Software Development
2 16 (42.11%) DevOps
3 15 (39.47%) Jenkins
4 13 (34.21%) Java
4 13 (34.21%) TDD
4 13 (34.21%) BDD
5 11 (28.95%) JavaScript
5 11 (28.95%) Configuration Management
6 10 (26.32%) Scrum
6 10 (26.32%) JIRA
6 10 (26.32%) Test Automation
7 9 (23.68%) RESTful
7 9 (23.68%) .NET
8 8 (21.05%) Amazon AWS
8 8 (21.05%) Continuous Delivery
8 8 (21.05%) Confluence
9 7 (18.42%) Open Source
9 7 (18.42%) Cucumber
9 7 (18.42%) Git (software)
9 7 (18.42%) Selenium
9 7 (18.42%) HTML
9 7 (18.42%) XML
9 7 (18.42%) Linux
9 7 (18.42%) OO
9 7 (18.42%) IBM
10 6 (15.79%) CSS
10 6 (15.79%) Retail
10 6 (15.79%) Release Management
10 6 (15.79%) Atlassian
10 6 (15.79%) IBM Integration Bus

Continuous Integration
Co-occurring IT Skills in Hertfordshire 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 (21.05%) Confluence
2 5 (13.16%) WebSphere
3 3 (7.89%) SharePoint
4 2 (5.26%) BizTalk Server
5 1 (2.63%) IIS
5 1 (2.63%) Tomcat
Applications
1 2 (5.26%) Microsoft Excel
1 2 (5.26%) Microsoft PowerPoint
1 2 (5.26%) MS Visio
Business Applications
1 4 (10.53%) Dynamics CRM
1 4 (10.53%) SAP HCM
2 1 (2.63%) Magento
Cloud Services
1 8 (21.05%) Amazon AWS
2 4 (10.53%) AWS Lambda
2 4 (10.53%) Boomi
2 4 (10.53%) SuccessFactors
3 3 (7.89%) AWS CloudFormation
4 2 (5.26%) G Suite
5 1 (2.63%) Amazon EC2
5 1 (2.63%) Amazon S3
5 1 (2.63%) Amazon SQS
5 1 (2.63%) Cloud Computing
5 1 (2.63%) GitHub
5 1 (2.63%) Route 53
Database & Business Intelligence
1 5 (13.16%) SQL Server
2 4 (10.53%) Amazon DynamoDB
2 4 (10.53%) SQL Server Reporting Services
3 3 (7.89%) QlikView
4 2 (5.26%) NoSQL
5 1 (2.63%) Amazon RDS
5 1 (2.63%) Big Data
5 1 (2.63%) Data Lake
5 1 (2.63%) Data Warehouse
5 1 (2.63%) DB2
5 1 (2.63%) DbVisualizer
5 1 (2.63%) MongoDB
5 1 (2.63%) Power BI
5 1 (2.63%) SQL Server Integration Services
Development Applications
1 15 (39.47%) Jenkins
2 10 (26.32%) JIRA
3 7 (18.42%) Cucumber
3 7 (18.42%) Git (software)
3 7 (18.42%) Selenium
4 4 (10.53%) Team Foundation Server
5 3 (7.89%) Bitbucket
5 3 (7.89%) Subversion
5 3 (7.89%) WebDriver
6 2 (5.26%) Appium
6 2 (5.26%) SoapUI
7 1 (2.63%) Gatling
7 1 (2.63%) Grunt
7 1 (2.63%) gulp
7 1 (2.63%) Hudson
7 1 (2.63%) Maven
7 1 (2.63%) Mockito
7 1 (2.63%) Moq
7 1 (2.63%) Octopus Deploy
7 1 (2.63%) Robot Framework
General
1 6 (15.79%) Retail
2 2 (5.26%) Games
2 2 (5.26%) Law
3 1 (2.63%) Finance
Job Titles
1 15 (39.47%) Developer
2 10 (26.32%) DevOps Engineer
3 6 (15.79%) Java Developer
4 5 (13.16%) Test Manager
5 4 (10.53%) .NET Developer
5 4 (10.53%) Integration Developer
5 4 (10.53%) Portfolio Manager
5 4 (10.53%) Portfolio Test Manager
5 4 (10.53%) WebSphere Developer
6 3 (7.89%) .NET Web Developer
6 3 (7.89%) Architect
6 3 (7.89%) ASP.NET Developer
6 3 (7.89%) Web Developer
7 2 (5.26%) Analyst
7 2 (5.26%) Applications Consultant
7 2 (5.26%) Consultant
7 2 (5.26%) Infrastructure Architect
7 2 (5.26%) Security Architect
7 2 (5.26%) Senior Manager
7 2 (5.26%) Tester
Libraries, Frameworks & Software Standards
1 9 (23.68%) .NET
1 9 (23.68%) RESTful
2 7 (18.42%) HTML
2 7 (18.42%) XML
3 6 (15.79%) CSS
3 6 (15.79%) IBM Integration Bus
4 5 (13.16%) AngularJS
4 5 (13.16%) JSON
5 4 (10.53%) ASP.NET
5 4 (10.53%) jQuery
5 4 (10.53%) Node.js
5 4 (10.53%) Web Services
5 4 (10.53%) WebSphere MQ
5 4 (10.53%) XSLT
6 3 (7.89%) ASP.NET Web API
6 3 (7.89%) REST
6 3 (7.89%) Spring
7 2 (5.26%) Gherkin
7 2 (5.26%) J2EE
7 2 (5.26%) Middleware
Miscellaneous
1 4 (10.53%) DataPower
1 4 (10.53%) Mobile App
2 3 (7.89%) Greenfield Project
3 2 (5.26%) Analytical Skills
3 2 (5.26%) Data Centre
3 2 (5.26%) Virtual Team
Operating Systems
1 7 (18.42%) Linux
2 4 (10.53%) Ubuntu
3 3 (7.89%) CentOS
3 3 (7.89%) Mac OS
3 3 (7.89%) Red Hat Enterprise Linux
3 3 (7.89%) Windows
4 2 (5.26%) Unix
Processes & Methodologies
1 25 (65.79%) Agile Software Development
2 16 (42.11%) DevOps
3 13 (34.21%) BDD
3 13 (34.21%) TDD
4 11 (28.95%) Configuration Management
5 10 (26.32%) Scrum
5 10 (26.32%) Test Automation
6 8 (21.05%) Continuous Delivery
7 7 (18.42%) OO
7 7 (18.42%) Open Source
8 6 (15.79%) Release Management
8 6 (15.79%) Test Management
9 5 (13.16%) E-Commerce
9 5 (13.16%) Project Management
9 5 (13.16%) Test Strategy
10 4 (10.53%) Business Intelligence
10 4 (10.53%) CRM
10 4 (10.53%) Manual Testing
10 4 (10.53%) SDLC
10 4 (10.53%) Web Development
Programming Languages
1 13 (34.21%) Java
2 11 (28.95%) JavaScript
3 4 (10.53%) C#
3 4 (10.53%) Groovy
3 4 (10.53%) SQL
4 2 (5.26%) T-SQL
5 1 (2.63%) Bash Shell
5 1 (2.63%) Perl
5 1 (2.63%) PowerShell
5 1 (2.63%) Python
5 1 (2.63%) Ruby
Qualifications
1 1 (2.63%) ISEB
1 1 (2.63%) ISTQB
1 1 (2.63%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 3 (7.89%) PCI DSS
1 3 (7.89%) QA
2 2 (5.26%) GDPR
2 2 (5.26%) ISO/IEC 27001
System Software
1 6 (15.79%) Docker
Systems Management
1 5 (13.16%) Ansible
2 4 (10.53%) WebSphere Cast Iron
3 3 (7.89%) Kubernetes
3 3 (7.89%) Pingdom
4 2 (5.26%) Opscode Chef
5 1 (2.63%) Puppet
Vendors
1 7 (18.42%) IBM
2 6 (15.79%) Atlassian
3 4 (10.53%) Dell
3 4 (10.53%) SAP
4 3 (7.89%) AppDynamics
4 3 (7.89%) PagerDuty
5 2 (5.26%) Google
5 2 (5.26%) Microsoft
5 2 (5.26%) MuleSoft
5 2 (5.26%) TIBCO
5 2 (5.26%) WSO2
6 1 (2.63%) hybris
6 1 (2.63%) New Relic