Period
to 19 August 2019

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for REST skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited REST over the 6 months to 19 August 2019 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.

Representational State Transfer (REST)
East of England > Hertfordshire
6 months to
19 Aug 2019
Same period 2018 Same period 2017
Rank 66 41 70
Rank change year-on-year -25 +29 +5
Contract jobs citing REST 40 69 26
As % of all contract IT jobs advertised in Hertfordshire 2.78% 4.33% 1.99%
As % of the Libraries, Frameworks & Software Standards category 9.76% 16.35% 8.28%
Number of daily rates quoted 29 52 27
Hertfordshire median daily rate £463 £425 £425
Median daily rate % change year-on-year +8.82% - -2.86%
10th Percentile £380 £360 £358
90th Percentile £488 £569 £470
East of England median daily rate £463 £450 £425
% change year-on-year +2.78% +5.88% +6.25%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate - £59.38 -

REST 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 Hertfordshire with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Hertfordshire
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 410 422 314
As % of all contract IT jobs advertised in Hertfordshire 28.49% 26.47% 24.06%
Number of daily rates quoted 199 284 203
Hertfordshire median daily rate £450 £425 £390
Median daily rate % change year-on-year +5.88% +8.97% -2.50%
10th Percentile £312 £260 £256
90th Percentile £588 £567 £575
East of England median daily rate £450 £450 £422
% change year-on-year - +6.64% +5.50%
Number of hourly rates quoted 5 7 1
Hertfordshire median hourly rate £45.00 £50.00 £15.00
Median hourly rate % change year-on-year -10.00% +233.33% +42.86%
East of England median hourly rate £42.50 £37.50 £40.00
% change year-on-year +13.33% -6.25% +14.29%

REST
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for REST in Hertfordshire

REST
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for REST in Hertfordshire

REST
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing REST in Hertfordshire over the 6 months to 19 August 2019.

Contractor daily rate histogram for REST in Hertfordshire

REST
Contractor Hourly Rate Trend in Hertfordshire

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

Contractor hourly rate trend for REST in Hertfordshire

REST
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 REST within the Hertfordshire region over the 6 months to 19 August 2019. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford -16 28 £475 +11.76%
Hemel Hempstead -3 3 £425 +6.25%
Hatfield +3 2 £400 -5.88%
Borehamwood - 1 £388 -
REST
East of England

For the 6 months to 19 August 2019, IT contractor jobs citing REST also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Hertfordshire region with a requirement for REST.

1 21 (52.50%) Java
2 18 (45.00%) Microservices
3 17 (42.50%) WebSphere
3 17 (42.50%) E-Commerce
4 16 (40.00%) Web Services
5 14 (35.00%) SOAP
5 14 (35.00%) JavaScript
5 14 (35.00%) JSON
6 13 (32.50%) JIRA
6 13 (32.50%) Spring
6 13 (32.50%) Agile Software Development
6 13 (32.50%) CSS
7 12 (30.00%) JSP
7 12 (30.00%) OO
7 12 (30.00%) Spring Boot
7 12 (30.00%) Microsoft Azure
7 12 (30.00%) Amazon AWS
8 11 (27.50%) Test Automation
8 11 (27.50%) Apache Solr
8 11 (27.50%) Cucumber
8 11 (27.50%) JAX-RS
8 11 (27.50%) Google Cloud Platform
8 11 (27.50%) git-flow
8 11 (27.50%) Servlets
8 11 (27.50%) JDBC
8 11 (27.50%) HTML
8 11 (27.50%) JMS
8 11 (27.50%) OOP
8 11 (27.50%) TDD
8 11 (27.50%) Google

REST
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 17 (42.50%) WebSphere
2 11 (27.50%) Apache Solr
3 10 (25.00%) Adobe Experience Manager
4 6 (15.00%) Apache
4 6 (15.00%) CMS
5 4 (10.00%) CoreMedia CMS
5 4 (10.00%) SharePoint
5 4 (10.00%) SharePoint 2013
6 2 (5.00%) Oracle SOA Suite
7 1 (2.50%) Oracle Service Bus
7 1 (2.50%) WebLogic
Applications
1 1 (2.50%) Microsoft Excel
Business Applications
1 4 (10.00%) Fredhopper
1 4 (10.00%) Magento
1 4 (10.00%) SAP Hybris
2 1 (2.50%) Cognos Business Intelligence
2 1 (2.50%) Cognos TM1
Cloud Services
1 12 (30.00%) Amazon AWS
1 12 (30.00%) Microsoft Azure
2 11 (27.50%) Google Cloud Platform
3 4 (10.00%) Algolia
3 4 (10.00%) BrowserStack
3 4 (10.00%) Cloud Computing
3 4 (10.00%) Sauce Labs
3 4 (10.00%) Serverless
4 3 (7.50%) Office 365
5 2 (5.00%) Boomi
5 2 (5.00%) SuccessFactors
6 1 (2.50%) npm
Communications & Networking
1 1 (2.50%) DNS
1 1 (2.50%) FTP
1 1 (2.50%) HTTP
1 1 (2.50%) Skype
1 1 (2.50%) SSL
1 1 (2.50%) TCP/IP
Database & Business Intelligence
1 6 (15.00%) Jackrabbit
2 5 (12.50%) NoSQL
3 3 (7.50%) Data Warehouse
4 2 (5.00%) Oracle Database
4 2 (5.00%) PowerCenter
5 1 (2.50%) Apache Cassandra
5 1 (2.50%) MongoDB
5 1 (2.50%) MySQL
5 1 (2.50%) Oracle Database 12c
5 1 (2.50%) Oracle ODI
5 1 (2.50%) PostgreSQL
5 1 (2.50%) Relational Database
5 1 (2.50%) SQL Server
5 1 (2.50%) Sybase ASE
Development Applications
1 13 (32.50%) JIRA
2 11 (27.50%) Cucumber
2 11 (27.50%) git-flow
2 11 (27.50%) Selenium
3 7 (17.50%) Git (software)
4 6 (15.00%) Robot Framework
4 6 (15.00%) Team Foundation Server
4 6 (15.00%) WebDriver
5 5 (12.50%) TestRail
6 4 (10.00%) Appium
6 4 (10.00%) Calabash
6 4 (10.00%) JUnit
6 4 (10.00%) Mockito
7 3 (7.50%) Visual Studio
7 3 (7.50%) Visual Studio Code
8 2 (5.00%) ER Studio
8 2 (5.00%) Jenkins
9 1 (2.50%) Gatling
9 1 (2.50%) gulp
9 1 (2.50%) webpack
General
1 4 (10.00%) Retail
2 3 (7.50%) Games
2 3 (7.50%) Telecoms
3 1 (2.50%) Finance
3 1 (2.50%) Marketing
Job Titles
1 26 (65.00%) Developer
2 19 (47.50%) Java Developer
3 4 (10.00%) Analyst
3 4 (10.00%) SharePoint Developer
3 4 (10.00%) Test Leader
4 3 (7.50%) Integration Analyst
4 3 (7.50%) Senior Developer
4 3 (7.50%) Senior SharePoint Developer
5 2 (5.00%) Architect
5 2 (5.00%) Technical Leader
6 1 (2.50%) Integration Architect
6 1 (2.50%) Lead Developer
6 1 (2.50%) Lead Java Developer
6 1 (2.50%) Oracle Developer
6 1 (2.50%) Senior Analyst
6 1 (2.50%) Solutions Architect
6 1 (2.50%) Telecoms Analyst
6 1 (2.50%) Test Analyst
6 1 (2.50%) Test Manager
6 1 (2.50%) Tester
Libraries, Frameworks & Software Standards
1 16 (40.00%) Web Services
2 14 (35.00%) JSON
2 14 (35.00%) SOAP
3 13 (32.50%) CSS
3 13 (32.50%) Spring
4 12 (30.00%) JSP
4 12 (30.00%) Spring Boot
5 11 (27.50%) HTML
5 11 (27.50%) Java EE
5 11 (27.50%) JAX-RS
5 11 (27.50%) JDBC
5 11 (27.50%) JMS
5 11 (27.50%) JPA
5 11 (27.50%) Servlets
6 10 (25.00%) XSLT
7 7 (17.50%) XML
8 6 (15.00%) React
9 5 (12.50%) AngularJS
9 5 (12.50%) jQuery
9 5 (12.50%) Middleware
Miscellaneous
1 4 (10.00%) Analytical Skills
1 4 (10.00%) Enterprise Software
1 4 (10.00%) User Experience
2 3 (7.50%) DataPower
3 2 (5.00%) Data Protection Act
4 1 (2.50%) Data Structures
4 1 (2.50%) Mobile App
Operating Systems
1 5 (12.50%) Windows
2 4 (10.00%) Android
2 4 (10.00%) Apple iOS
2 4 (10.00%) Linux
2 4 (10.00%) Mac OS
3 2 (5.00%) Unix
4 1 (2.50%) Solaris
Processes & Methodologies
1 18 (45.00%) Microservices
2 17 (42.50%) E-Commerce
3 13 (32.50%) Agile Software Development
4 12 (30.00%) OO
5 11 (27.50%) OOP
5 11 (27.50%) TDD
5 11 (27.50%) Test Automation
6 8 (20.00%) Test Scripting
7 7 (17.50%) BDD
7 7 (17.50%) DevOps
8 6 (15.00%) ATDD
8 6 (15.00%) Data Modelling
8 6 (15.00%) Scrum
8 6 (15.00%) Software Delivery
9 5 (12.50%) Kanban
9 5 (12.50%) Unit Testing
10 4 (10.00%) Content Management
10 4 (10.00%) Multithreading
10 4 (10.00%) Validation
10 4 (10.00%) Workflow
Programming Languages
1 21 (52.50%) Java
2 14 (35.00%) JavaScript
3 8 (20.00%) Java 8
4 4 (10.00%) PowerShell
4 4 (10.00%) Ruby
5 3 (7.50%) C#
5 3 (7.50%) SQL
6 2 (5.00%) ES6
6 2 (5.00%) PHP
6 2 (5.00%) Python
7 1 (2.50%) Clojure
7 1 (2.50%) Groovy
7 1 (2.50%) Scala
7 1 (2.50%) T-SQL
7 1 (2.50%) TypeScript
7 1 (2.50%) VBScript
Quality Assurance & Compliance
1 2 (5.00%) Data Quality
2 1 (2.50%) GDPR
System Software
1 1 (2.50%) Docker
Systems Management
1 5 (12.50%) HP Quality Center
2 1 (2.50%) Docker Swarm
2 1 (2.50%) Kubernetes
Vendors
1 11 (27.50%) Google
2 8 (20.00%) IBM
3 7 (17.50%) SAP
4 6 (15.00%) Oracle
5 5 (12.50%) hybris
6 4 (10.00%) Adobe
6 4 (10.00%) Elastic Path
6 4 (10.00%) Nintex
6 4 (10.00%) Salesforce.com
7 2 (5.00%) Dell
7 2 (5.00%) IDERA
7 2 (5.00%) Informatica
7 2 (5.00%) ServiceNow
8 1 (2.50%) Cognos
8 1 (2.50%) Sybase
8 1 (2.50%) Talend