Period
to 20 October 2018

The following table provides summary statistics for contract job vacancies advertised in Brentwood 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 20 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
Essex > Brentwood
6 months to
20 Oct 2018
Same period 2017 Same period 2016
Rank 5 16 -
Rank change year-on-year +11 - -
Contract jobs citing JSON 10 10 0
As % of all contract IT jobs advertised in Brentwood 25.00% 14.08% -
As % of the Libraries, Frameworks & Software Standards category 52.63% 25.64% -
Number of daily rates quoted 3 3 0
Brentwood median daily rate £475 £450 -
Median daily rate % change year-on-year +5.56% - -
Essex median daily rate £525 £525 £375
% change year-on-year - +40.00% -6.25%
Number of hourly rates quoted 0 14 0
Brentwood median hourly rate - £62.50 -
Essex 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 Brentwood with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Brentwood
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 19 39 11
As % of all contract IT jobs advertised in Brentwood 47.50% 54.93% 22.45%
Number of daily rates quoted 7 16 4
Brentwood median daily rate £475 £325 £280
Median daily rate % change year-on-year +46.15% +16.07% -30.00%
10th Percentile £433 £310 £233
90th Percentile £503 £475 £430
Essex median daily rate £525 £513 £350
% change year-on-year +2.44% +46.43% -12.50%
Number of hourly rates quoted 0 17 5
Brentwood median hourly rate - £42.50 £37.50
Median hourly rate % change year-on-year - +13.33% +0.13%
Essex median hourly rate £33.08 £40.00 £35.50
% change year-on-year -17.30% +12.68% -2.74%

JSON
Job Vacancy Trend in Brentwood

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

Job vacancy trend for JSON in Brentwood

JSON
Contractor Daily Rate Trend in Brentwood

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

Contractor daily rate trend for JSON in Brentwood

JSON
Contractor Hourly Rate Trend in Brentwood

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

Contractor hourly rate trend for JSON in Brentwood

For the 6 months to 20 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 Brentwood region with a requirement for JSON.

1 9 (90.00%) C
1 9 (90.00%) Software Engineering
2 7 (70.00%) Ajax
2 7 (70.00%) Media Streaming
2 7 (70.00%) Embedded Linux
2 7 (70.00%) Scrum
2 7 (70.00%) JavaScript
2 7 (70.00%) UPnP
2 7 (70.00%) C++
2 7 (70.00%) HTML
2 7 (70.00%) Wi-Fi
2 7 (70.00%) Linux
2 7 (70.00%) Broadband
2 7 (70.00%) VoIP
2 7 (70.00%) WAN
2 7 (70.00%) DHCP
2 7 (70.00%) FTP
2 7 (70.00%) HTTP
2 7 (70.00%) DNS
2 7 (70.00%) CGI
2 7 (70.00%) Embedded C
2 7 (70.00%) IPv4
2 7 (70.00%) IPv6
2 7 (70.00%) Internet
2 7 (70.00%) Configuration Management
2 7 (70.00%) DSL
2 7 (70.00%) DLNA
2 7 (70.00%) Defect Tracking
2 7 (70.00%) Creative Thinking
2 7 (70.00%) Innovative Thinking

JSON
Co-occurring IT Skills in Brentwood 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:

Communications & Networking
1 7 (70.00%) Broadband
1 7 (70.00%) DHCP
1 7 (70.00%) DLNA
1 7 (70.00%) DNS
1 7 (70.00%) DSL
1 7 (70.00%) FTP
1 7 (70.00%) HTTP
1 7 (70.00%) Internet
1 7 (70.00%) IPv4
1 7 (70.00%) IPv6
1 7 (70.00%) UPnP
1 7 (70.00%) VoIP
1 7 (70.00%) WAN
1 7 (70.00%) Wi-Fi
Development Applications
1 2 (20.00%) CircleCI
1 2 (20.00%) fastlane
1 2 (20.00%) Xcode
2 1 (10.00%) Android Studio
2 1 (10.00%) Calabash
2 1 (10.00%) Gradle
2 1 (10.00%) JUnit
General
1 3 (30.00%) Automotive
Job Titles
1 10 (100.00%) Developer
2 2 (20.00%) iOS Developer
3 1 (10.00%) Android Developer
Libraries, Frameworks & Software Standards
1 7 (70.00%) Ajax
1 7 (70.00%) CGI
1 7 (70.00%) HTML
2 3 (30.00%) RESTful
2 3 (30.00%) XML
3 2 (20.00%) RxSwift
4 1 (10.00%) Android SDK
4 1 (10.00%) Dagger
4 1 (10.00%) Reactive Extensions
4 1 (10.00%) RxJava
Miscellaneous
1 7 (70.00%) Media Streaming
1 7 (70.00%) Self-Motivation
Operating Systems
1 7 (70.00%) Embedded Linux
1 7 (70.00%) Linux
2 3 (30.00%) Android
3 2 (20.00%) Apple iOS
Processes & Methodologies
1 9 (90.00%) Software Engineering
2 7 (70.00%) Collaborative Working
2 7 (70.00%) Configuration Management
2 7 (70.00%) Creative Thinking
2 7 (70.00%) Defect Tracking
2 7 (70.00%) Innovative Thinking
2 7 (70.00%) Problem-Solving
2 7 (70.00%) Scrum
3 3 (30.00%) MVC
3 3 (30.00%) MVVM
4 2 (20.00%) iOS Development
4 2 (20.00%) TDD
4 2 (20.00%) Unit Testing
5 1 (10.00%) Android Development
5 1 (10.00%) Pair Programming
Programming Languages
1 9 (90.00%) C
2 7 (70.00%) C++
2 7 (70.00%) Embedded C
2 7 (70.00%) JavaScript
3 2 (20.00%) Apple Swift
3 2 (20.00%) Objective-C
4 1 (10.00%) Java
4 1 (10.00%) Kotlin