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 25 June 2017 with a comparison to the same period in the previous 2 years.

Representational State Transfer (REST)
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 62 81 99
Rank change year-on-year +19 +18  
Permanent jobs citing REST 31 7 3
As % of all permanent IT jobs advertised in Essex 3.25% 0.71% 0.24%
As % of the Libraries, Frameworks & Software Standards category 7.79% 1.75% 0.68%
Number of salaries quoted 28 7 3
Median salary £60,000 £40,000 £47,500
Median salary % change year-on-year +50.00% -15.78%  
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 398 401 444
As % of all permanent IT job vacancies advertised in Essex 41.68% 40.59% 35.49%
Number of salaries quoted 330 336 362
Median salary £50,000 £44,000 £37,500
Median salary % change year-on-year +13.63% +17.33%  
90% offered a salary of more than £33,500 £25,000 £25,000
10% offered a salary of more than £65,000 £55,000 £62,500
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year +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 25 June 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 25 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Chelmsford -13 6 £40,000 -15.78%
Basildon - 5 £55,000 -
Colchester 0 3 £67,500 +68.75%
Harlow - 1 £35,000 -
Saffron Walden - 1 £52,500 -
REST
East of England

For the 6 months to 25 June 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 42 (73.68%) Web Services
2 40 (70.18%) SOAP
3 39 (68.42%) MVC
4 37 (64.91%) Java
5 36 (63.16%) SQL Server
6 34 (59.65%) JavaScript
6 34 (59.65%) CSS
7 32 (56.14%) Agile Software Development
8 31 (54.39%) Ajax
9 30 (52.63%) SQL
9 30 (52.63%) HTML
10 29 (50.88%) Spring
11 28 (49.12%) Oracle
12 24 (42.11%) EJB
12 24 (42.11%) Apache
13 22 (38.60%) Swing
13 22 (38.60%) Hibernate
14 20 (35.09%) JBoss
14 20 (35.09%) JMS
14 20 (35.09%) PL/SQL
14 20 (35.09%) MySQL
15 19 (33.33%) JSP
15 19 (33.33%) Servlets
15 19 (33.33%) Tomcat
15 19 (33.33%) RDBMS
15 19 (33.33%) Java EE
15 19 (33.33%) Spring MVC
15 19 (33.33%) Relational Database
16 18 (31.58%) OO
17 17 (29.82%) Maven

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 24 (42.11%) Apache
2 20 (35.09%) JBoss
3 19 (33.33%) Tomcat
4 14 (24.56%) WebSphere
5 10 (17.54%) GlassFish
6 6 (10.53%) IIS
7 5 (8.77%) NetWeaver
8 3 (5.26%) Apache Geronimo
8 3 (5.26%) Apache Pig
8 3 (5.26%) Apache Spark
9 2 (3.51%) SharePoint
10 1 (1.75%) SharePoint 2010
Applications
1 3 (5.26%) Weka
2 1 (1.75%) InfoPath
2 1 (1.75%) Photoshop
Cloud Services
1 8 (14.04%) Microsoft Azure
2 3 (5.26%) Amazon AWS
2 3 (5.26%) GitHub
3 2 (3.51%) AWS CloudFormation
Communications & Networking
1 5 (8.77%) HTTP
2 1 (1.75%) Intranet
2 1 (1.75%) SSL
2 1 (1.75%) Wireless
Database & Business Intelligence
1 36 (63.16%) SQL Server
2 20 (35.09%) MySQL
3 19 (33.33%) RDBMS
3 19 (33.33%) Relational Database
4 13 (22.81%) SQL Server 2008
5 10 (17.54%) Big Data
5 10 (17.54%) CouchDB
5 10 (17.54%) MongoDB
5 10 (17.54%) Neo4j
5 10 (17.54%) PostgreSQL
6 8 (14.04%) Geospatial Data
6 8 (14.04%) GIS
6 8 (14.04%) SQL Server 2005
7 6 (10.53%) Oracle Database
8 5 (8.77%) JasperReports
8 5 (8.77%) Oracle Database 11g
9 3 (5.26%) Apache Hive
9 3 (5.26%) Hadoop
9 3 (5.26%) NoSQL
9 3 (5.26%) Sqoop
Development Applications
1 17 (29.82%) Maven
2 14 (24.56%) JIRA
3 11 (19.30%) Jenkins
4 9 (15.79%) JUnit
4 9 (15.79%) Visual Studio
5 8 (14.04%) Ant
5 8 (14.04%) ClearQuest
5 8 (14.04%) CruiseControl
5 8 (14.04%) FishEye
5 8 (14.04%) Hudson
5 8 (14.04%) Team Foundation Server
5 8 (14.04%) TeamCity
6 7 (12.28%) Subversion
7 5 (8.77%) Eclipse
7 5 (8.77%) Toad
8 4 (7.02%) Git (software)
8 4 (7.02%) Selenium
8 4 (7.02%) SoapUI
8 4 (7.02%) Zephyr
9 3 (5.26%) Bitbucket
General
1 5 (8.77%) Banking
1 5 (8.77%) Telecoms
2 1 (1.75%) Automotive
2 1 (1.75%) Electronics
Job Titles
1 41 (71.93%) Developer
2 20 (35.09%) Java Developer
3 13 (22.81%) .NET Developer
3 13 (22.81%) Lead Developer
3 13 (22.81%) Lead Java Developer
4 12 (21.05%) C# Developer
5 11 (19.30%) ASP.NET Developer
5 11 (19.30%) C# .NET Developer
5 11 (19.30%) C# ASP.NET Developer
6 9 (15.79%) Senior Developer
7 6 (10.53%) JavaScript Developer
7 6 (10.53%) SQL Developer
8 5 (8.77%) Front End Developer (Client-Side Developer)
8 5 (8.77%) HTML Developer
8 5 (8.77%) Senior .NET Developer
8 5 (8.77%) Senior ASP.NET Developer
8 5 (8.77%) Senior C# .NET Developer
8 5 (8.77%) Senior C# ASP.NET Developer
8 5 (8.77%) Senior C# Developer
8 5 (8.77%) Software Consultant
Libraries, Frameworks & Software Standards
1 42 (73.68%) Web Services
2 40 (70.18%) SOAP
3 34 (59.65%) CSS
4 31 (54.39%) Ajax
5 30 (52.63%) HTML
6 29 (50.88%) Spring
7 24 (42.11%) EJB
8 22 (38.60%) Hibernate
8 22 (38.60%) Swing
9 20 (35.09%) JMS
10 19 (33.33%) Java EE
10 19 (33.33%) JSP
10 19 (33.33%) Servlets
10 19 (33.33%) Spring MVC
11 16 (28.07%) .NET
12 14 (24.56%) ASP.NET
13 13 (22.81%) ASP.NET MVC
13 13 (22.81%) ASP.NET Web API
13 13 (22.81%) HTML5
14 12 (21.05%) J2EE
Miscellaneous
1 5 (8.77%) Analytical Skills
1 5 (8.77%) Client/Server
1 5 (8.77%) Foreign Exchange (FX)
1 5 (8.77%) Mobile App
2 4 (7.02%) Management Information System
2 4 (7.02%) N-Tier
3 2 (3.51%) Computer Science
4 1 (1.75%) Driving Licence
4 1 (1.75%) Smart Home
4 1 (1.75%) Virtual Team
Operating Systems
1 11 (19.30%) Linux
2 5 (8.77%) Unix
3 4 (7.02%) Windows
4 2 (3.51%) Windows Server
Processes & Methodologies
1 39 (68.42%) MVC
2 32 (56.14%) Agile Software Development
3 18 (31.58%) OO
4 13 (22.81%) TDD
5 11 (19.30%) Continuous Integration
5 11 (19.30%) DevOps
5 11 (19.30%) Front End Development
5 11 (19.30%) Scrum
6 10 (17.54%) Kanban
7 9 (15.79%) Open Source
7 9 (15.79%) Test Automation
8 8 (14.04%) Issue Tracking
8 8 (14.04%) UML
9 6 (10.53%) Continuous Deployment
9 6 (10.53%) Mentoring
10 5 (8.77%) Dependency Injection
10 5 (8.77%) Integration Testing
10 5 (8.77%) Multithreading
10 5 (8.77%) System Testing
10 5 (8.77%) Unit Testing
Programming Languages
1 37 (64.91%) Java
2 34 (59.65%) JavaScript
3 30 (52.63%) SQL
4 20 (35.09%) PL/SQL
5 16 (28.07%) C#
6 10 (17.54%) C
6 10 (17.54%) T-SQL
7 5 (8.77%) Shell Script
8 2 (3.51%) VB.NET
9 1 (1.75%) Delphi
9 1 (1.75%) PHP
9 1 (1.75%) PowerShell
9 1 (1.75%) Ruby
Qualifications
1 8 (14.04%) SC Cleared
1 8 (14.04%) Security Cleared
2 3 (5.26%) Degree
3 1 (1.75%) Computer Science Degree
System Software
1 8 (14.04%) Active Directory
2 3 (5.26%) HDFS
3 2 (3.51%) Docker
Systems Management
1 3 (5.26%) Opscode Chef
1 3 (5.26%) Puppet
2 2 (3.51%) Ansible
Vendors
1 28 (49.12%) Oracle
2 13 (22.81%) Microsoft
3 8 (14.04%) Atlassian
4 5 (8.77%) Adobe
4 5 (8.77%) Google
4 5 (8.77%) PayPal
4 5 (8.77%) Pega
4 5 (8.77%) SAP
5 3 (5.26%) Alteryx
5 3 (5.26%) Tableau