Period
to 22 November 2017

The following table provides summary statistics for contract job vacancies advertised in Watford with a requirement for JSON skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JSON over the 6 months to 22 November 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.

JSON
Hertfordshire > Watford
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 18 32 28
Rank change year-on-year +14 -4 +8
Contract jobs citing JSON 37 10 8
As % of all contract IT jobs advertised in Watford 8.49% 3.47% 3.25%
As % of the Libraries, Frameworks & Software Standards category 24.50% 12.82% 9.64%
Number of daily rates quoted 8 2 6
Watford median daily rate £425 £369 £313
Median daily rate % change year-on-year +15.25% +18.00% -
10th Percentile £405 £258 £294
90th Percentile £471 £474 £375
Hertfordshire median daily rate £425 £425 £313
% change year-on-year - +36.00% -19.22%
Number of hourly rates quoted 0 0 0
Watford median hourly rate - - -
Hertfordshire median hourly rate - - -

JSON is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Watford with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Watford
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 151 78 83
As % of all contract IT jobs advertised in Watford 34.63% 27.08% 33.74%
Number of daily rates quoted 76 32 36
Watford median daily rate £425 £400 £363
Median daily rate % change year-on-year +6.25% +10.34% -3.33%
10th Percentile £280 £213 £294
90th Percentile £594 £499 £444
Hertfordshire median daily rate £413 £400 £375
% change year-on-year +3.13% +6.67% +2.74%
Number of hourly rates quoted 0 0 1
Watford median hourly rate - - £35.00
Hertfordshire median hourly rate £15.00 £34.81 £20.94
% change year-on-year -56.91% +66.29% -49.55%

JSON
Job Vacancy Trend in Watford

Job postings citing JSON as a percentage of all IT jobs advertised in Watford.

Job vacancy trend for JSON in Watford

JSON
Contractor Daily Rate Trend in Watford

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

Contractor daily rate trend for JSON in Watford

For the 6 months to 22 November 2017, IT contractor jobs citing JSON 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 Watford region with a requirement for JSON.

1 32 (86.49%) Java
2 27 (72.97%) SQL
2 27 (72.97%) JSP
3 26 (70.27%) Spring
4 23 (62.16%) Finance
5 22 (59.46%) MVC
5 22 (59.46%) Spring MVC
6 10 (27.03%) French Language
6 10 (27.03%) Agile Software Development
6 10 (27.03%) IBM
6 10 (27.03%) JavaScript
6 10 (27.03%) XSLT
6 10 (27.03%) XML
7 6 (16.22%) HTML
7 6 (16.22%) WebSphere
7 6 (16.22%) REST
8 5 (13.51%) CSS3
8 5 (13.51%) SaaS
8 5 (13.51%) HTML5
8 5 (13.51%) Mockito
8 5 (13.51%) DataPower
8 5 (13.51%) Git (software)
8 5 (13.51%) RESTful
8 5 (13.51%) React
8 5 (13.51%) webpack
8 5 (13.51%) WebSphere Cast Iron
8 5 (13.51%) API Development
8 5 (13.51%) Redux
8 5 (13.51%) EJB
8 5 (13.51%) CSS

JSON
Co-occurring IT Skills in Watford 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 6 (16.22%) WebSphere
2 5 (13.51%) Apache
2 5 (13.51%) MQSeries
3 4 (10.81%) Tomcat
4 1 (2.70%) Adobe Experience Manager
4 1 (2.70%) CMS
4 1 (2.70%) WebSphere Application Server
Business Applications
1 2 (5.41%) Dynamics CRM
1 2 (5.41%) SAP HCM
2 1 (2.70%) Magento
Cloud Services
1 5 (13.51%) SaaS
2 2 (5.41%) Boomi
2 2 (5.41%) SuccessFactors
Communications & Networking
1 5 (13.51%) Internet
Database & Business Intelligence
1 4 (10.81%) MySQL
1 4 (10.81%) PostgreSQL
1 4 (10.81%) Redis
2 1 (2.70%) DB2
2 1 (2.70%) Jackrabbit
2 1 (2.70%) RDBMS
2 1 (2.70%) Relational Database
Development Applications
1 5 (13.51%) Eclipse
1 5 (13.51%) Git (software)
1 5 (13.51%) JUnit
1 5 (13.51%) Log4j
1 5 (13.51%) Mockito
1 5 (13.51%) Subversion
1 5 (13.51%) webpack
2 4 (10.81%) Bitbucket
2 4 (10.81%) Maven
2 4 (10.81%) Talend Open Studio
3 1 (2.70%) Ant
3 1 (2.70%) WebSphere Studio Application Developer
General
1 23 (62.16%) Finance
2 10 (27.03%) French Language
3 4 (10.81%) Games
Job Titles
1 33 (89.19%) Developer
2 23 (62.16%) Java Developer
3 22 (59.46%) JSP Developer
3 22 (59.46%) SQL Developer
4 5 (13.51%) Front End Developer (Client-Side Developer)
5 4 (10.81%) Integration Developer
5 4 (10.81%) Technical Leader
6 2 (5.41%) JavaScript Developer
6 2 (5.41%) Ruby Developer
6 2 (5.41%) WebSphere Developer
7 1 (2.70%) .NET Developer
7 1 (2.70%) Consultant
7 1 (2.70%) XML Consultant
7 1 (2.70%) XML Developer
7 1 (2.70%) XML XSLT Developer
Libraries, Frameworks & Software Standards
1 27 (72.97%) JSP
2 26 (70.27%) Spring
3 22 (59.46%) Spring MVC
4 10 (27.03%) XML
4 10 (27.03%) XSLT
5 6 (16.22%) HTML
5 6 (16.22%) REST
6 5 (13.51%) .NET
6 5 (13.51%) CSS
6 5 (13.51%) CSS3
6 5 (13.51%) EJB
6 5 (13.51%) HTML5
6 5 (13.51%) J2EE
6 5 (13.51%) JDBC
6 5 (13.51%) JMS
6 5 (13.51%) RESTful
6 5 (13.51%) Ruby on Rails
6 5 (13.51%) SOAP
6 5 (13.51%) Web Services
6 5 (13.51%) XSD
Miscellaneous
1 5 (13.51%) DataPower
2 4 (10.81%) Greenfield Project
3 2 (5.41%) Mobile App
Operating Systems
1 5 (13.51%) HPUX
1 5 (13.51%) Linux
1 5 (13.51%) Solaris
1 5 (13.51%) Unix
Processes & Methodologies
1 22 (59.46%) MVC
2 10 (27.03%) Agile Software Development
3 5 (13.51%) API Development
3 5 (13.51%) E-Commerce
3 5 (13.51%) OO
3 5 (13.51%) RAD
4 4 (10.81%) BDD
4 4 (10.81%) Dependency Management
4 4 (10.81%) DevOps
4 4 (10.81%) ETL
4 4 (10.81%) Open Source
4 4 (10.81%) TDD
5 3 (8.11%) Front End Development
6 2 (5.41%) Configuration Management
6 2 (5.41%) Continuous Integration
6 2 (5.41%) CRM
6 2 (5.41%) Release Management
7 1 (2.70%) DNA
7 1 (2.70%) UML
Programming Languages
1 32 (86.49%) Java
2 27 (72.97%) SQL
3 10 (27.03%) JavaScript
4 5 (13.51%) Ruby
5 1 (2.70%) Bash Shell
5 1 (2.70%) Perl
Systems Management
1 5 (13.51%) WebSphere Cast Iron
2 4 (10.81%) Ansible
Vendors
1 10 (27.03%) IBM
2 4 (10.81%) Talend
3 2 (5.41%) Dell
3 2 (5.41%) SAP
4 1 (2.70%) ATG
4 1 (2.70%) Blue Martini
4 1 (2.70%) Demandware
4 1 (2.70%) Elastic Path
4 1 (2.70%) hybris