Period
to 17 August 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 17 August 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
17 Aug 2018
Same period 2017 Same period 2016
Rank 37 20 63
Rank change year-on-year -17 +43 +2
Contract jobs citing JSON 82 124 17
As % of all contract IT jobs advertised in Essex 8.21% 14.27% 1.90%
As % of the Libraries, Frameworks & Software Standards category 21.08% 30.02% 7.76%
Number of daily rates quoted 69 86 8
Essex median daily rate £525 £525 £450
Median daily rate % change year-on-year - +16.67% -10.00%
10th Percentile £435 £413 £418
90th Percentile £600 £600 £475
East of England median daily rate £525 £475 £400
% change year-on-year +10.53% +18.75% +14.29%
Number of hourly rates quoted 3 17 0
Essex median hourly rate £70.00 £62.50 -
Median hourly rate % change year-on-year +12.00% - -
East of England median hourly rate £70.00 £62.50 £55.00
% change year-on-year +12.00% +13.64% +74.49%

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 389 413 219
As % of all contract IT jobs advertised in Essex 38.94% 47.53% 24.44%
Number of daily rates quoted 255 281 125
Essex median daily rate £525 £495 £350
Median daily rate % change year-on-year +6.06% +41.43% -12.50%
10th Percentile £407 £300 £222
90th Percentile £600 £600 £500
East of England median daily rate £450 £422 £400
% change year-on-year +6.64% +5.50% +6.67%
Number of hourly rates quoted 12 26 23
Essex median hourly rate £35.52 £38.88 £34.50
Median hourly rate % change year-on-year -8.63% +12.68% -9.21%
10th Percentile £25.96 £28.22 £30.75
90th Percentile £73.59 £63.75 £42.73
East of England median hourly rate £36.52 £40.00 £35.00
% change year-on-year -8.70% +14.29% -6.54%

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 17 August 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
Contractor Hourly Rate Histogram in Essex

The hourly rate distribution of IT jobs citing JSON in Essex over the 6 months to 17 August 2018.

Contractor hourly rate histogram 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 17 August 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 +11 10 £475 +5.56%
Southend-on-Sea -6 2 £493 -9.63%
Harlow - 2 £525 -
Colchester - 1 £700 - 6
Grays - 1 £550 -
JSON
East of England

For the 6 months to 17 August 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 70 (85.37%) XML
2 67 (81.71%) Java
2 67 (81.71%) TDD
3 57 (69.51%) RESTful
3 57 (69.51%) SOAP
4 55 (67.07%) Agile Software Development
5 54 (65.85%) SOA
6 53 (64.63%) Greenfield Project
7 51 (62.20%) Web Services
8 48 (58.54%) SAP
8 48 (58.54%) Electronics
8 48 (58.54%) Telecoms
8 48 (58.54%) Finance
8 48 (58.54%) Manufacturing
8 48 (58.54%) Business Intelligence
8 48 (58.54%) Programme Management
8 48 (58.54%) Marketing
8 48 (58.54%) Digital Marketing
9 45 (54.88%) Maven
9 45 (54.88%) XSLT
9 45 (54.88%) Oracle
10 43 (52.44%) Middleware
11 42 (51.22%) Mule
11 42 (51.22%) WSO2
11 42 (51.22%) Apache Camel
12 41 (50.00%) Oracle SOA Suite
12 41 (50.00%) Oracle Service Bus
12 41 (50.00%) XPath
13 37 (45.12%) Swagger
13 37 (45.12%) 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 42 (51.22%) Mule
2 41 (50.00%) Oracle Service Bus
2 41 (50.00%) Oracle SOA Suite
3 4 (4.88%) Confluence
4 3 (3.66%) Apache
4 3 (3.66%) JBoss
Cloud Services
1 11 (13.41%) GitHub
2 4 (4.88%) Amazon AWS
2 4 (4.88%) Microsoft Azure
3 1 (1.22%) AtomSphere
3 1 (1.22%) Boomi
Communications & Networking
1 9 (10.98%) HTTP
2 5 (6.10%) Broadband
2 5 (6.10%) DHCP
2 5 (6.10%) DLNA
2 5 (6.10%) DNS
2 5 (6.10%) DSL
2 5 (6.10%) FTP
2 5 (6.10%) Internet
2 5 (6.10%) IPv4
2 5 (6.10%) IPv6
2 5 (6.10%) UPnP
2 5 (6.10%) VoIP
2 5 (6.10%) WAN
2 5 (6.10%) Wi-Fi
Database & Business Intelligence
1 4 (4.88%) MongoDB
1 4 (4.88%) Oracle Database
2 3 (3.66%) Geospatial Data
2 3 (3.66%) GIS
3 1 (1.22%) Big Data
3 1 (1.22%) Hadoop
3 1 (1.22%) HBase
3 1 (1.22%) JasperReports
3 1 (1.22%) NoSQL
3 1 (1.22%) RDBMS
3 1 (1.22%) Relational Database
3 1 (1.22%) Triplestore
Development Applications
1 45 (54.88%) Maven
2 19 (23.17%) JUnit
3 16 (19.51%) Jenkins
4 12 (14.63%) Calabash
4 12 (14.63%) Gradle
5 7 (8.54%) SoapUI
6 6 (7.32%) JMeter
7 5 (6.10%) Android Studio
7 5 (6.10%) JIRA
8 4 (4.88%) LoadRunner
8 4 (4.88%) Selenium
8 4 (4.88%) Sonatype Nexus
8 4 (4.88%) Vagrant
9 2 (2.44%) CircleCI
9 2 (2.44%) fastlane
9 2 (2.44%) Xcode
10 1 (1.22%) CruiseControl
10 1 (1.22%) FishEye
10 1 (1.22%) Pivotal Tracker
10 1 (1.22%) TeamCity
General
1 48 (58.54%) Electronics
1 48 (58.54%) Finance
1 48 (58.54%) Manufacturing
1 48 (58.54%) Marketing
1 48 (58.54%) Telecoms
2 5 (6.10%) Automotive
Job Titles
1 70 (85.37%) Developer
2 34 (41.46%) Integration Developer
3 29 (35.37%) Senior Developer
4 28 (34.15%) Java Developer
5 15 (18.29%) SOA Developer
6 13 (15.85%) Lead Developer
6 13 (15.85%) Lead Java Developer
7 12 (14.63%) Android Developer
8 8 (9.76%) Agile Developer
8 8 (9.76%) Senior Agile Developer
8 8 (9.76%) Senior Java Developer
9 6 (7.32%) Analyst
9 6 (7.32%) Business Analyst
9 6 (7.32%) SOA Analyst
9 6 (7.32%) Technical Analyst
9 6 (7.32%) Technical Business Analyst
9 6 (7.32%) XML Analyst
10 5 (6.10%) Tester
11 3 (3.66%) Automation Tester
11 3 (3.66%) Java Automation Tester
Libraries, Frameworks & Software Standards
1 70 (85.37%) XML
2 57 (69.51%) RESTful
2 57 (69.51%) SOAP
3 51 (62.20%) Web Services
4 45 (54.88%) XSLT
5 43 (52.44%) Middleware
6 42 (51.22%) Apache Camel
7 37 (45.12%) Swagger
7 37 (45.12%) WireMock
8 16 (19.51%) REST
9 15 (18.29%) HTML
10 12 (14.63%) Android SDK
11 10 (12.20%) Core Animation
11 10 (12.20%) Core Data
12 7 (8.54%) Spring
13 6 (7.32%) Ajax
13 6 (7.32%) JMS
13 6 (7.32%) JSON Schema
14 5 (6.10%) CGI
14 5 (6.10%) WSDL
Miscellaneous
1 53 (64.63%) Greenfield Project
2 10 (12.20%) Animation
3 7 (8.54%) Mobile App
4 5 (6.10%) Media Streaming
4 5 (6.10%) Self-Motivation
5 4 (4.88%) User Experience
6 1 (1.22%) Data Structures
6 1 (1.22%) Foreign Exchange (FX)
6 1 (1.22%) PKI
Operating Systems
1 14 (17.07%) Android
2 7 (8.54%) Linux
3 5 (6.10%) Embedded Linux
4 2 (2.44%) Apple iOS
5 1 (1.22%) Ubuntu
Processes & Methodologies
1 67 (81.71%) TDD
2 55 (67.07%) Agile Software Development
3 54 (65.85%) SOA
4 48 (58.54%) Business Intelligence
4 48 (58.54%) Digital Marketing
4 48 (58.54%) Programme Management
5 25 (30.49%) Scrum
6 16 (19.51%) Continuous Integration
7 14 (17.07%) MVC
8 12 (14.63%) Android Development
9 11 (13.41%) Pair Programming
10 10 (12.20%) OOA/OOD
10 10 (12.20%) OOD
10 10 (12.20%) Push Notifications
11 9 (10.98%) Software Engineering
12 7 (8.54%) DevOps
13 6 (7.32%) API Design
13 6 (7.32%) Business Analysis
13 6 (7.32%) Problem-Solving
14 5 (6.10%) Unit Testing
Programming Languages
1 67 (81.71%) Java
2 41 (50.00%) XPath
3 32 (39.02%) Java 8
4 16 (19.51%) JavaScript
5 8 (9.76%) C
6 5 (6.10%) C++
6 5 (6.10%) Embedded C
6 5 (6.10%) Java 9
6 5 (6.10%) SQL
7 4 (4.88%) PL/SQL
8 3 (3.66%) Groovy
9 2 (2.44%) Apple Swift
9 2 (2.44%) Kotlin
9 2 (2.44%) Objective-C
9 2 (2.44%) Scala
Qualifications
1 3 (3.66%) SC Cleared
1 3 (3.66%) Security Cleared
2 1 (1.22%) TOGAF Certification
System Software
1 4 (4.88%) Docker
2 1 (1.22%) Active Directory
Systems Management
1 4 (4.88%) Ansible
Vendors
1 48 (58.54%) SAP
2 45 (54.88%) Oracle
3 42 (51.22%) WSO2
4 6 (7.32%) Talend
5 3 (3.66%) Adobe
5 3 (3.66%) Google
6 1 (1.22%) Atlassian
6 1 (1.22%) Cloudera
6 1 (1.22%) Dell
6 1 (1.22%) Hortonworks
6 1 (1.22%) MapR