The following table provides summary statistics for permanent job vacancies advertised in Essex with a requirement for REST skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited REST over the 3 months to 29 March 2017 with a comparison to the same period in the previous 2 years.

Representational State Transfer (REST)
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 64 99 96
Rank change year-on-year +35 -3  
Permanent jobs citing REST 24 6 3
As % of all permanent IT jobs advertised in Essex 2.36% 0.56% 0.24%
As % of the Libraries, Frameworks & Software Standards category 6.96% 1.41% 0.74%
Number of salaries quoted 18 6 2
Median salary £62,500 £31,250 £38,000
Median salary % change year-on-year +100.00% -17.76%  
90% offered a salary of more than £35,000 £25,000 £36,400
10% offered a salary of more than £67,500 £37,500 £39,600
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year - +5.88%  

REST 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 permanent job vacancies advertised in Essex with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
Essex
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 345 427 404
As % of all permanent IT job vacancies advertised in Essex 33.96% 39.72% 32.48%
Number of salaries quoted 278 340 327
Median salary £45,000 £45,000 £40,000
Median salary % change year-on-year - +12.50%  
90% offered a salary of more than £32,500 £25,000 £25,000
10% offered a salary of more than £65,000 £55,000 £65,000
UK excluding London median salary £40,000 £42,500 £40,000
% change year-on-year -5.88% +6.25%  

REST
Job Vacancy Trend in Essex

The job posting trend of jobs advertised in Essex citing REST as a proportion of all permanent or contract IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for REST in Essex

REST
Salary Trend in Essex

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing REST in Essex.

Salary trend for REST in Essex

REST
Salary Histogram in Essex

The salary distribution of IT jobs citing REST in Essex over the 3 months to 29 March 2017.

Salary histogram for REST in Essex

REST
Job Locations in Essex

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing REST within the Essex region over the 3 months to 29 March 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Colchester +7 11 £67,500 +80.00%
Harlow - 1 £50,000 -
REST
East of England

For the 6 months to 29 March 2017, IT jobs citing REST also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Essex region with a requirement for REST.

1 37 (90.24%) Java
2 34 (82.93%) JavaScript
2 34 (82.93%) Web Services
2 34 (82.93%) CSS
3 31 (75.61%) Ajax
4 30 (73.17%) SOAP
5 29 (70.73%) RDBMS
5 29 (70.73%) Relational Database
6 28 (68.29%) Apache
6 28 (68.29%) Spring
7 26 (63.41%) Swing
8 24 (58.54%) Oracle
8 24 (58.54%) JBoss
8 24 (58.54%) JMS
9 23 (56.10%) MVC
9 23 (56.10%) Agile Software Development
10 21 (51.22%) MySQL
11 20 (48.78%) HTML
11 20 (48.78%) EJB
11 20 (48.78%) Tomcat
11 20 (48.78%) JSP
11 20 (48.78%) Servlets
11 20 (48.78%) WebSphere
11 20 (48.78%) Java EE
11 20 (48.78%) Spring MVC
12 17 (41.46%) Linux
12 17 (41.46%) T-SQL
12 17 (41.46%) OO
13 16 (39.02%) PostgreSQL
13 16 (39.02%) PL/SQL

REST
Co-occurring IT Skills in Essex 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 28 (68.29%) Apache
2 24 (58.54%) JBoss
3 20 (48.78%) Tomcat
3 20 (48.78%) WebSphere
4 16 (39.02%) GlassFish
5 3 (7.32%) Apache Geronimo
5 3 (7.32%) Apache Pig
5 3 (7.32%) Apache Spark
6 2 (4.88%) SharePoint
7 1 (2.44%) IIS
7 1 (2.44%) SharePoint 2010
Applications
1 3 (7.32%) Weka
2 1 (2.44%) InfoPath
2 1 (2.44%) Photoshop
Communications & Networking
1 6 (14.63%) HTTP
2 1 (2.44%) Intranet
2 1 (2.44%) SSL
2 1 (2.44%) Wireless
Database & Business Intelligence
1 29 (70.73%) RDBMS
1 29 (70.73%) Relational Database
2 21 (51.22%) MySQL
3 16 (39.02%) Big Data
3 16 (39.02%) CouchDB
3 16 (39.02%) MongoDB
3 16 (39.02%) Neo4j
3 16 (39.02%) PostgreSQL
4 12 (29.27%) SQL Server
5 11 (26.83%) Geospatial Data
5 11 (26.83%) GIS
6 8 (19.51%) JasperReports
7 3 (7.32%) Apache Hive
7 3 (7.32%) Hadoop
7 3 (7.32%) Mahout
7 3 (7.32%) NoSQL
7 3 (7.32%) Sqoop
8 1 (2.44%) Oracle Database
Development Applications
1 15 (36.59%) Maven
2 13 (31.71%) JUnit
3 12 (29.27%) JIRA
4 11 (26.83%) Ant
4 11 (26.83%) ClearQuest
4 11 (26.83%) CruiseControl
4 11 (26.83%) FishEye
4 11 (26.83%) Hudson
4 11 (26.83%) Jenkins
4 11 (26.83%) TeamCity
5 5 (12.20%) Selenium
5 5 (12.20%) SoapUI
5 5 (12.20%) Zephyr
6 3 (7.32%) Gradle
7 1 (2.44%) Git (software)
7 1 (2.44%) Subversion
7 1 (2.44%) Team Foundation Server
7 1 (2.44%) Visual Studio
General
1 1 (2.44%) Automotive
1 1 (2.44%) Electronics
Job Titles
1 30 (73.17%) Developer
2 22 (53.66%) Java Developer
3 15 (36.59%) Lead Developer
4 14 (34.15%) Lead Java Developer
5 7 (17.07%) Senior Software Engineer
5 7 (17.07%) Software Engineer
6 6 (14.63%) Java Engineer
6 6 (14.63%) Java Software Engineer
6 6 (14.63%) JavaScript Developer
6 6 (14.63%) Senior Java Engineer
6 6 (14.63%) Senior Java Software Engineer
7 5 (12.20%) Front End Developer (Client-Side Developer)
7 5 (12.20%) HTML CSS Developer
7 5 (12.20%) HTML Developer
7 5 (12.20%) Senior Developer
7 5 (12.20%) Senior Software Test Engineer
7 5 (12.20%) Senior Test Engineer
7 5 (12.20%) Software Test Engineer
7 5 (12.20%) Test Engineer
8 4 (9.76%) Web Developer
Libraries, Frameworks & Software Standards
1 34 (82.93%) CSS
1 34 (82.93%) Web Services
2 31 (75.61%) Ajax
3 30 (73.17%) SOAP
4 28 (68.29%) Spring
5 26 (63.41%) Swing
6 24 (58.54%) JMS
7 20 (48.78%) EJB
7 20 (48.78%) HTML
7 20 (48.78%) Java EE
7 20 (48.78%) JSP
7 20 (48.78%) Servlets
7 20 (48.78%) Spring MVC
8 15 (36.59%) Hibernate
9 13 (31.71%) GWT
9 13 (31.71%) JSON
9 13 (31.71%) Middleware
10 8 (19.51%) Apache Flex
10 8 (19.51%) AWT
10 8 (19.51%) HTML5
Miscellaneous
1 8 (19.51%) Foreign Exchange (FX)
2 5 (12.20%) Management Information System
2 5 (12.20%) N-Tier
3 2 (4.88%) Computer Science
4 1 (2.44%) Smart Home
Operating Systems
1 17 (41.46%) Linux
Processes & Methodologies
1 23 (56.10%) Agile Software Development
1 23 (56.10%) MVC
2 17 (41.46%) OO
3 12 (29.27%) Open Source
3 12 (29.27%) Scrum
4 11 (26.83%) Continuous Integration
4 11 (26.83%) DevOps
4 11 (26.83%) Issue Tracking
4 11 (26.83%) Kanban
4 11 (26.83%) TDD
4 11 (26.83%) UML
5 8 (19.51%) Unit Testing
6 7 (17.07%) Software Engineering
7 5 (12.20%) Automated Testing
7 5 (12.20%) Cybersecurity
7 5 (12.20%) Front End Development
7 5 (12.20%) SOA
7 5 (12.20%) Software Testing
7 5 (12.20%) Test Management
7 5 (12.20%) Test Scripting
Programming Languages
1 37 (90.24%) Java
2 34 (82.93%) JavaScript
3 17 (41.46%) T-SQL
4 16 (39.02%) PL/SQL
4 16 (39.02%) SQL
5 11 (26.83%) C
6 2 (4.88%) C#
7 1 (2.44%) PowerShell
7 1 (2.44%) Ruby
7 1 (2.44%) VB.NET
Qualifications
1 11 (26.83%) SC Cleared
1 11 (26.83%) Security Cleared
2 2 (4.88%) Degree
System Software
1 12 (29.27%) Active Directory
2 3 (7.32%) HDFS
Vendors
1 24 (58.54%) Oracle
2 11 (26.83%) Atlassian
3 8 (19.51%) Adobe
3 8 (19.51%) Google
4 3 (7.32%) Alteryx
4 3 (7.32%) Tableau
5 1 (2.44%) Microsoft