Period
to 18 December 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 18 December 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
18 Dec 2018
Same period 2017 Same period 2016
Rank 51 22 51
Rank change year-on-year -29 +29 +6
Contract jobs citing JSON 62 103 30
As % of all contract IT jobs advertised in Essex 5.83% 13.75% 3.62%
As % of the Libraries, Frameworks & Software Standards category 15.50% 30.84% 16.76%
Number of daily rates quoted 46 77 21
Essex median daily rate £525 £513 £280
Median daily rate % change year-on-year +2.44% +83.04% -44.00%
10th Percentile £463 £448 £250
90th Percentile £600 £600 £575
East of England median daily rate £525 £500 £350
% change year-on-year +5.00% +42.86% -
Number of hourly rates quoted 2 15 6
Essex median hourly rate £62.19 £62.50 £34.25
Median hourly rate % change year-on-year -0.50% +82.48% +8.66%
10th Percentile £58.28 £61.25 £31.13
90th Percentile £66.84 £63.75 £36.00
East of England median hourly rate £62.19 £62.50 £32.50
% change year-on-year -0.50% +92.31% +1.56%

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 400 334 179
As % of all contract IT jobs advertised in Essex 37.59% 44.59% 21.59%
Number of daily rates quoted 274 240 116
Essex median daily rate £525 £513 £358
Median daily rate % change year-on-year +2.44% +43.36% -10.63%
10th Percentile £375 £313 £250
90th Percentile £600 £600 £531
East of England median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% +3.90%
Number of hourly rates quoted 7 21 25
Essex median hourly rate £42.50 £40.00 £36.00
Median hourly rate % change year-on-year +6.25% +11.11% -1.37%
10th Percentile £23.00 £26.44 £30.85
90th Percentile £63.56 £63.75 £42.84
East of England median hourly rate £44.00 £43.75 £37.50
% change year-on-year +0.57% +16.67% -

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 18 December 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 18 December 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 +12 11 £475 +5.56%
Southend-on-Sea -23 4 £475 -12.84% 1
Harlow - 2 £525 - 1
Colchester -3 1 £700 +47.37%
Grays - 1 £550 -
JSON
East of England

For the 6 months to 18 December 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 49 (79.03%) XML
1 49 (79.03%) Agile Software Development
2 47 (75.81%) TDD
3 46 (74.19%) Java
4 41 (66.13%) SOAP
5 40 (64.52%) Web Services
6 37 (59.68%) SAP
6 37 (59.68%) Marketing
7 36 (58.06%) Programme Management
7 36 (58.06%) Electronics
7 36 (58.06%) Telecoms
7 36 (58.06%) Finance
7 36 (58.06%) Manufacturing
7 36 (58.06%) Business Intelligence
7 36 (58.06%) Digital Marketing
7 36 (58.06%) Greenfield Project
8 35 (56.45%) SOA
9 33 (53.23%) RESTful
10 28 (45.16%) Oracle
10 28 (45.16%) Scrum
10 28 (45.16%) Maven
11 25 (40.32%) Middleware
11 25 (40.32%) XSLT
11 25 (40.32%) WSO2
11 25 (40.32%) Apache Camel
12 24 (38.71%) Swagger
12 24 (38.71%) Mule
12 24 (38.71%) Oracle SOA Suite
12 24 (38.71%) WireMock
13 23 (37.10%) Oracle Service Bus

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 24 (38.71%) Mule
1 24 (38.71%) Oracle SOA Suite
2 23 (37.10%) Oracle Service Bus
3 6 (9.68%) Apache
4 5 (8.06%) JBoss
5 3 (4.84%) Confluence
6 2 (3.23%) Elasticsearch
6 2 (3.23%) nginx
6 2 (3.23%) Tomcat
6 2 (3.23%) WebLogic
7 1 (1.61%) SAS
Cloud Services
1 6 (9.68%) GitHub
2 5 (8.06%) Amazon AWS
3 3 (4.84%) Microsoft Azure
4 2 (3.23%) Google Analytics
5 1 (1.61%) AtomSphere
5 1 (1.61%) Boomi
5 1 (1.61%) Serverless
Communications & Networking
1 12 (19.35%) HTTP
2 7 (11.29%) Broadband
2 7 (11.29%) DHCP
2 7 (11.29%) DLNA
2 7 (11.29%) DNS
2 7 (11.29%) DSL
2 7 (11.29%) FTP
2 7 (11.29%) Internet
2 7 (11.29%) IPv4
2 7 (11.29%) IPv6
2 7 (11.29%) UPnP
2 7 (11.29%) VoIP
2 7 (11.29%) WAN
2 7 (11.29%) Wi-Fi
3 2 (3.23%) SSL
3 2 (3.23%) TCP/IP
Database & Business Intelligence
1 6 (9.68%) MongoDB
2 4 (6.45%) NoSQL
3 3 (4.84%) Geospatial Data
3 3 (4.84%) GIS
3 3 (4.84%) SQL Server
4 2 (3.23%) Big Data
4 2 (3.23%) Hadoop
4 2 (3.23%) HBase
4 2 (3.23%) Oracle Database
4 2 (3.23%) RDBMS
4 2 (3.23%) Relational Database
5 1 (1.61%) BusinessObjects
5 1 (1.61%) JasperReports
5 1 (1.61%) Pentaho
5 1 (1.61%) PostgreSQL
5 1 (1.61%) PowerCenter
5 1 (1.61%) SAP Data Services
5 1 (1.61%) SAS Enterprise Guide
5 1 (1.61%) SAS Enterprise Miner
5 1 (1.61%) Triplestore
Development Applications
1 28 (45.16%) Maven
2 13 (20.97%) SoapUI
3 12 (19.35%) Jenkins
4 11 (17.74%) JUnit
5 9 (14.52%) Git (software)
6 7 (11.29%) JMeter
7 6 (9.68%) Selenium
8 4 (6.45%) Eclipse
8 4 (6.45%) Gradle
8 4 (6.45%) IntelliJ
8 4 (6.45%) JIRA
8 4 (6.45%) Sonatype Nexus
9 3 (4.84%) Ant
9 3 (4.84%) Cucumber
9 3 (4.84%) SonarQube
10 2 (3.23%) Calabash
10 2 (3.23%) Grunt
10 2 (3.23%) Karma Test Runner
10 2 (3.23%) NeoLoad
10 2 (3.23%) Vagrant
General
1 37 (59.68%) Marketing
2 36 (58.06%) Electronics
2 36 (58.06%) Finance
2 36 (58.06%) Manufacturing
2 36 (58.06%) Telecoms
3 3 (4.84%) Automotive
Job Titles
1 44 (70.97%) Developer
2 28 (45.16%) Java Developer
3 23 (37.10%) Integration Developer
4 13 (20.97%) Senior Developer
5 12 (19.35%) Tester
6 11 (17.74%) Lead Developer
7 10 (16.13%) Lead Java Developer
8 9 (14.52%) Automation Tester
8 9 (14.52%) Senior Java Developer
9 6 (9.68%) Java Automation Tester
10 5 (8.06%) SOA Developer
11 3 (4.84%) Architect
11 3 (4.84%) Automation Test Expert
11 3 (4.84%) Performance Tester
11 3 (4.84%) Web Tester
12 2 (3.23%) iOS Developer
12 2 (3.23%) Software Engineer
13 1 (1.61%) Big Data Developer
13 1 (1.61%) Hadoop Developer
13 1 (1.61%) Scala Developer
Libraries, Frameworks & Software Standards
1 49 (79.03%) XML
2 41 (66.13%) SOAP
3 40 (64.52%) Web Services
4 33 (53.23%) RESTful
5 25 (40.32%) Apache Camel
5 25 (40.32%) Middleware
5 25 (40.32%) XSLT
6 24 (38.71%) Swagger
6 24 (38.71%) WireMock
7 14 (22.58%) REST
8 13 (20.97%) HTML
9 10 (16.13%) Spring
10 9 (14.52%) WSDL
11 8 (12.90%) Ajax
12 7 (11.29%) CGI
12 7 (11.29%) CSS
12 7 (11.29%) Hibernate
13 6 (9.68%) JMS
14 5 (8.06%) Spring Boot
15 4 (6.45%) AngularJS
Miscellaneous
1 36 (58.06%) Greenfield Project
2 7 (11.29%) Media Streaming
2 7 (11.29%) Self-Motivation
3 2 (3.23%) Data Structures
3 2 (3.23%) User Experience
4 1 (1.61%) Foreign Exchange (FX)
4 1 (1.61%) PKI
Operating Systems
1 10 (16.13%) Linux
2 7 (11.29%) Embedded Linux
3 4 (6.45%) Android
4 2 (3.23%) Apple iOS
4 2 (3.23%) Ubuntu
4 2 (3.23%) Unix
4 2 (3.23%) Windows
Processes & Methodologies
1 49 (79.03%) Agile Software Development
2 47 (75.81%) TDD
3 36 (58.06%) Business Intelligence
3 36 (58.06%) Digital Marketing
3 36 (58.06%) Programme Management
4 35 (56.45%) SOA
5 28 (45.16%) Scrum
6 13 (20.97%) Software Engineering
7 12 (19.35%) Open Source
8 11 (17.74%) Problem-Solving
8 11 (17.74%) Technical Leadership
8 11 (17.74%) Test Automation
9 9 (14.52%) API Testing
9 9 (14.52%) Configuration Management
9 9 (14.52%) DevOps
9 9 (14.52%) Functional Testing
10 8 (12.90%) Collaborative Working
10 8 (12.90%) Microservices
11 7 (11.29%) Creative Thinking
11 7 (11.29%) Innovative Thinking
Programming Languages
1 46 (74.19%) Java
2 23 (37.10%) XPath
3 18 (29.03%) Java 8
4 14 (22.58%) JavaScript
5 11 (17.74%) Groovy
6 10 (16.13%) C
7 8 (12.90%) SQL
8 7 (11.29%) C++
8 7 (11.29%) Embedded C
9 4 (6.45%) PL/SQL
10 3 (4.84%) Scala
11 2 (3.23%) Apple Swift
11 2 (3.23%) C#
11 2 (3.23%) Haskell
11 2 (3.23%) Kotlin
11 2 (3.23%) Objective-C
11 2 (3.23%) Perl
11 2 (3.23%) PHP
11 2 (3.23%) Python
11 2 (3.23%) Ruby
Qualifications
1 4 (6.45%) Security Cleared
2 3 (4.84%) SC Cleared
3 1 (1.61%) Computer Science Degree
3 1 (1.61%) Degree
3 1 (1.61%) TOGAF Certification
Quality Assurance & Compliance
1 1 (1.61%) Data Quality
System Software
1 6 (9.68%) Docker
2 1 (1.61%) Active Directory
2 1 (1.61%) Apache Flume
2 1 (1.61%) Virtual Machines
Systems Management
1 4 (6.45%) Kibana
2 2 (3.23%) Ansible
2 2 (3.23%) Grafana
2 2 (3.23%) logstash
2 2 (3.23%) Opscode Chef
2 2 (3.23%) Puppet
3 1 (1.61%) Mesos
Vendors
1 37 (59.68%) SAP
2 28 (45.16%) Oracle
3 25 (40.32%) WSO2
4 5 (8.06%) Adobe
4 5 (8.06%) Google
5 4 (6.45%) Talend
6 2 (3.23%) CA Agile Central
6 2 (3.23%) Cloudera
6 2 (3.23%) webMethods
7 1 (1.61%) Atlassian
7 1 (1.61%) Dell
7 1 (1.61%) Hortonworks
7 1 (1.61%) Informatica
7 1 (1.61%) MapR