Period
to 15 October 2018

The following table provides summary statistics for contract job vacancies advertised in Essex 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 15 October 2018 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
6 months to
15 Oct 2018
Same period 2017 Same period 2016
Rank 39 20 69
Rank change year-on-year -19 +49 -6
Contract jobs citing JSON 80 127 11
As % of all contract IT jobs advertised in Essex 7.80% 15.14% 1.27%
As % of the Libraries, Frameworks & Software Standards category 20.25% 31.44% 6.01%
Number of daily rates quoted 66 89 9
Essex median daily rate £525 £525 £425
Median daily rate % change year-on-year - +23.53% +6.25%
10th Percentile £450 £435 £251
90th Percentile £600 £600 £450
East of England median daily rate £525 £475 £400
% change year-on-year +10.53% +18.75% +14.29%
Number of hourly rates quoted 1 21 0
Essex median hourly rate £59.38 £62.50 -
Median hourly rate % change year-on-year -5.00% - -
East of England median hourly rate £59.38 £62.50 -
% change year-on-year -5.00% - -

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

All Software Libraries and Frameworks
Essex
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 395 404 183
As % of all contract IT jobs advertised in Essex 38.50% 48.15% 21.16%
Number of daily rates quoted 272 268 108
Essex median daily rate £525 £513 £350
Median daily rate % change year-on-year +2.44% +46.43% -12.50%
10th Percentile £408 £328 £225
90th Percentile £600 £600 £525
East of England median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% +6.67%
Number of hourly rates quoted 9 29 25
Essex median hourly rate £33.08 £40.00 £35.00
Median hourly rate % change year-on-year -17.30% +14.29% -4.55%
10th Percentile £21.65 £29.29 £30.85
90th Percentile £51.19 £63.75 £42.84
East of England median hourly rate £42.50 £40.00 £36.00
% change year-on-year +6.25% +11.11% -2.86%

JSON
Job Vacancy Trend in Essex

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

Job vacancy trend for JSON in Essex

JSON
Contractor Daily Rate Trend in Essex

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

Contractor daily rate trend for JSON in Essex

JSON
Contractor Daily Rate Histogram in Essex

The daily rate distribution of IT jobs citing JSON in Essex over the 6 months to 15 October 2018.

Contractor daily rate histogram for JSON in Essex

JSON
Contractor Hourly Rate Trend in Essex

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

Contractor hourly rate trend for JSON in Essex

JSON
Contract Job Locations in Essex

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the Essex region over the 6 months to 15 October 2018. 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
Brentwood +7 10 £475 +5.56%
Southend-on-Sea -4 4 £425 -20.19% 1
Harlow - 2 £525 - 1
Colchester 0 1 £700 +47.37% 2
Grays - 1 £550 -
JSON
East of England

For the 6 months to 15 October 2018, IT contractor jobs citing JSON 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 Essex region with a requirement for JSON.

1 66 (82.50%) XML
2 64 (80.00%) TDD
3 63 (78.75%) Java
4 59 (73.75%) Agile Software Development
5 58 (72.50%) SOAP
6 53 (66.25%) Web Services
7 52 (65.00%) Greenfield Project
8 51 (63.75%) SOA
9 50 (62.50%) Business Intelligence
9 50 (62.50%) SAP
9 50 (62.50%) Manufacturing
9 50 (62.50%) Programme Management
9 50 (62.50%) Electronics
9 50 (62.50%) Telecoms
9 50 (62.50%) Finance
9 50 (62.50%) Marketing
9 50 (62.50%) Digital Marketing
9 50 (62.50%) RESTful
10 42 (52.50%) Maven
10 42 (52.50%) Oracle
11 41 (51.25%) XSLT
12 39 (48.75%) Middleware
13 38 (47.50%) Mule
13 38 (47.50%) WSO2
13 38 (47.50%) Apache Camel
14 37 (46.25%) Oracle SOA Suite
14 37 (46.25%) Oracle Service Bus
14 37 (46.25%) XPath
15 36 (45.00%) Swagger
15 36 (45.00%) WireMock

JSON
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 38 (47.50%) Mule
2 37 (46.25%) Oracle Service Bus
2 37 (46.25%) Oracle SOA Suite
3 5 (6.25%) Apache
3 5 (6.25%) JBoss
4 4 (5.00%) Confluence
5 2 (2.50%) nginx
5 2 (2.50%) Tomcat
5 2 (2.50%) WebLogic
6 1 (1.25%) Elasticsearch
Cloud Services
1 8 (10.00%) GitHub
2 5 (6.25%) Amazon AWS
3 4 (5.00%) Microsoft Azure
4 2 (2.50%) Google Analytics
5 1 (1.25%) AtomSphere
5 1 (1.25%) Boomi
Communications & Networking
1 13 (16.25%) HTTP
2 7 (8.75%) Broadband
2 7 (8.75%) DHCP
2 7 (8.75%) DLNA
2 7 (8.75%) DNS
2 7 (8.75%) DSL
2 7 (8.75%) FTP
2 7 (8.75%) Internet
2 7 (8.75%) IPv4
2 7 (8.75%) IPv6
2 7 (8.75%) UPnP
2 7 (8.75%) VoIP
2 7 (8.75%) WAN
2 7 (8.75%) Wi-Fi
3 2 (2.50%) SSL
3 2 (2.50%) TCP/IP
Database & Business Intelligence
1 7 (8.75%) MongoDB
2 4 (5.00%) Oracle Database
3 3 (3.75%) Geospatial Data
3 3 (3.75%) GIS
3 3 (3.75%) NoSQL
4 1 (1.25%) Big Data
4 1 (1.25%) Hadoop
4 1 (1.25%) HBase
4 1 (1.25%) JasperReports
4 1 (1.25%) RDBMS
4 1 (1.25%) Relational Database
4 1 (1.25%) SQL Server
4 1 (1.25%) Triplestore
Development Applications
1 42 (52.50%) Maven
2 17 (21.25%) JUnit
3 14 (17.50%) Jenkins
4 13 (16.25%) SoapUI
5 8 (10.00%) Gradle
5 8 (10.00%) JMeter
6 7 (8.75%) Calabash
6 7 (8.75%) Selenium
7 5 (6.25%) Android Studio
7 5 (6.25%) JIRA
8 4 (5.00%) Git (software)
8 4 (5.00%) LoadRunner
8 4 (5.00%) Sonatype Nexus
8 4 (5.00%) Vagrant
9 3 (3.75%) Ant
9 3 (3.75%) Eclipse
9 3 (3.75%) IntelliJ
10 2 (2.50%) Cucumber
10 2 (2.50%) Grunt
10 2 (2.50%) Xcode
General
1 50 (62.50%) Electronics
1 50 (62.50%) Finance
1 50 (62.50%) Manufacturing
1 50 (62.50%) Marketing
1 50 (62.50%) Telecoms
2 3 (3.75%) Automotive
Job Titles
1 65 (81.25%) Developer
2 35 (43.75%) Java Developer
3 29 (36.25%) Integration Developer
4 26 (32.50%) Senior Developer
5 13 (16.25%) Senior Java Developer
5 13 (16.25%) SOA Developer
6 12 (15.00%) Lead Developer
6 12 (15.00%) Lead Java Developer
7 11 (13.75%) Tester
8 8 (10.00%) Agile Developer
8 8 (10.00%) Automation Tester
8 8 (10.00%) Senior Agile Developer
9 7 (8.75%) Android Developer
10 6 (7.50%) Java Automation Tester
11 3 (3.75%) Analyst
11 3 (3.75%) Business Analyst
11 3 (3.75%) Performance Tester
11 3 (3.75%) SOA Analyst
11 3 (3.75%) Technical Analyst
11 3 (3.75%) XML Analyst
Libraries, Frameworks & Software Standards
1 66 (82.50%) XML
2 58 (72.50%) SOAP
3 53 (66.25%) Web Services
4 50 (62.50%) RESTful
5 41 (51.25%) XSLT
6 39 (48.75%) Middleware
7 38 (47.50%) Apache Camel
8 36 (45.00%) Swagger
8 36 (45.00%) WireMock
9 17 (21.25%) REST
10 15 (18.75%) HTML
11 10 (12.50%) Spring
12 9 (11.25%) WSDL
13 8 (10.00%) Ajax
14 7 (8.75%) Android SDK
14 7 (8.75%) CGI
14 7 (8.75%) JMS
15 6 (7.50%) Hibernate
16 5 (6.25%) Core Data
16 5 (6.25%) Spring Boot
Miscellaneous
1 52 (65.00%) Greenfield Project
2 7 (8.75%) Media Streaming
2 7 (8.75%) Self-Motivation
3 5 (6.25%) Animation
4 4 (5.00%) Mobile App
4 4 (5.00%) User Experience
5 1 (1.25%) Data Structures
5 1 (1.25%) Foreign Exchange (FX)
5 1 (1.25%) PKI
Operating Systems
1 10 (12.50%) Linux
2 9 (11.25%) Android
3 7 (8.75%) Embedded Linux
4 2 (2.50%) Apple iOS
4 2 (2.50%) Ubuntu
4 2 (2.50%) Unix
4 2 (2.50%) Windows
Processes & Methodologies
1 64 (80.00%) TDD
2 59 (73.75%) Agile Software Development
3 51 (63.75%) SOA
4 50 (62.50%) Business Intelligence
4 50 (62.50%) Digital Marketing
4 50 (62.50%) Programme Management
5 30 (37.50%) Scrum
6 13 (16.25%) Continuous Integration
7 11 (13.75%) Open Source
7 11 (13.75%) Software Engineering
8 10 (12.50%) MVC
8 10 (12.50%) Problem-Solving
8 10 (12.50%) Test Automation
9 9 (11.25%) Configuration Management
9 9 (11.25%) DevOps
10 8 (10.00%) API Testing
10 8 (10.00%) Functional Testing
10 8 (10.00%) Microservices
11 7 (8.75%) Android Development
11 7 (8.75%) Defect Tracking
Programming Languages
1 63 (78.75%) Java
2 37 (46.25%) XPath
3 30 (37.50%) Java 8
4 16 (20.00%) JavaScript
5 10 (12.50%) C
5 10 (12.50%) Groovy
6 8 (10.00%) SQL
7 7 (8.75%) C++
7 7 (8.75%) Embedded C
8 5 (6.25%) Java 9
8 5 (6.25%) PL/SQL
9 3 (3.75%) Scala
10 2 (2.50%) Apple Swift
10 2 (2.50%) C#
10 2 (2.50%) Haskell
10 2 (2.50%) Kotlin
10 2 (2.50%) Objective-C
10 2 (2.50%) Perl
10 2 (2.50%) Python
10 2 (2.50%) Ruby
Qualifications
1 4 (5.00%) Security Cleared
2 3 (3.75%) SC Cleared
3 1 (1.25%) TOGAF Certification
System Software
1 6 (7.50%) Docker
2 1 (1.25%) Active Directory
Systems Management
1 4 (5.00%) Ansible
2 3 (3.75%) Kibana
3 2 (2.50%) Grafana
3 2 (2.50%) Opscode Chef
3 2 (2.50%) Puppet
4 1 (1.25%) logstash
Vendors
1 50 (62.50%) SAP
2 42 (52.50%) Oracle
3 38 (47.50%) WSO2
4 6 (7.50%) Talend
5 5 (6.25%) Adobe
5 5 (6.25%) Google
6 2 (2.50%) webMethods
7 1 (1.25%) Atlassian
7 1 (1.25%) Cloudera
7 1 (1.25%) Dell
7 1 (1.25%) Hortonworks
7 1 (1.25%) MapR