The following table provides summary statistics for contract job vacancies advertised in Buckinghamshire with a requirement for JSON skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JSON over the 3 months to 29 June 2017 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
South East > Buckinghamshire
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 45 71 70
Rank change year-on-year +26 -1  
Contract jobs citing JSON 49 7 15
As % of all contract IT jobs advertised in Buckinghamshire 4.79% 0.73% 1.23%
As % of the Libraries, Frameworks & Software Standards category 14.94% 2.69% 4.62%
Number of daily rates quoted 21 2 10
Buckinghamshire median daily rate £425 £350 £320
Median daily rate % change year-on-year +21.42% +9.37%  
10th Percentile £369 £298 £230
90th Percentile £470 £403 £338
South East median daily rate £450 £450 £400
% change year-on-year - +12.50%  
Number of hourly rates quoted 0 0 1
Buckinghamshire median hourly rate - - £40.00
South East median hourly rate £11.93 - £40.00

JSON 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 contract job vacancies advertised in Buckinghamshire with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Buckinghamshire
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 328 260 325
As % of all contract IT job vacancies advertised in Buckinghamshire 32.03% 27.03% 26.66%
Number of daily rates quoted 844 579 861
Buckinghamshire median daily rate £425 £350 £325
Median daily rate % change year-on-year +21.42% +7.69%  
10th Percentile £313 £263 £230
90th Percentile £470 £500 £445
South East median daily rate £403 £400 £363
% change year-on-year +0.62% +10.34%  
Number of hourly rates quoted 13 1 20
Buckinghamshire median hourly rate £29.00 £37.50 £40.00
Median hourly rate % change year-on-year -22.66% -6.25%  
10th Percentile £27.00 £36.25 £25.45
90th Percentile £62.50 £38.75 £40.38
South East median hourly rate £42.50 £43.00 £40.00
% change year-on-year -1.16% +7.50%  

JSON
Job Vacancy Trend in Buckinghamshire

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

Job vacancy trend for JSON in Buckinghamshire

JSON
Contractor Daily Rate Trend in Buckinghamshire

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

Contractor daily rate trend for JSON in Buckinghamshire

JSON
Contract Job Locations in Buckinghamshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the Buckinghamshire region over the 3 months to 29 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
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Milton Keynes +18 32 £388 -3.12% 1
JSON
South East

For the 6 months to 29 June 2017, IT contractor jobs citing JSON also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Buckinghamshire region with a requirement for JSON.

1 48 (75.00%) Agile Software Development
2 38 (59.38%) Git (software)
3 35 (54.69%) REST
4 32 (50.00%) Java
5 31 (48.44%) JavaScript
5 31 (48.44%) RESTful
6 30 (46.88%) Jenkins
7 28 (43.75%) Node.js
7 28 (43.75%) XML
7 28 (43.75%) Scrum
8 27 (42.19%) Banking
8 27 (42.19%) HTML
9 26 (40.63%) Microservices
10 23 (35.94%) Spring
11 20 (31.25%) Finance
11 20 (31.25%) API Development
12 19 (29.69%) Swagger
13 17 (26.56%) AngularJS
13 17 (26.56%) Spring Boot
14 16 (25.00%) IBM
15 15 (23.44%) Web Services
16 14 (21.88%) git-flow
17 13 (20.31%) Apple iOS
18 12 (18.75%) MongoDB
18 12 (18.75%) TDD
18 12 (18.75%) Apple Swift
18 12 (18.75%) iOS Development
19 11 (17.19%) Objective-C
19 11 (17.19%) OO
19 11 (17.19%) JUnit

JSON
Co-occurring IT Skills in Buckinghamshire 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 5 (7.81%) WebSphere
2 2 (3.13%) Alfresco
2 2 (3.13%) Apache Spark
2 2 (3.13%) CMS
2 2 (3.13%) Drupal
2 2 (3.13%) Liferay
2 2 (3.13%) Oracle SOA Suite
2 2 (3.13%) Tomcat
3 1 (1.56%) Apache
3 1 (1.56%) OpenStack
Cloud Services
1 8 (12.50%) PaaS
2 6 (9.38%) OpenShift
3 3 (4.69%) Amazon AWS
3 3 (4.69%) Amazon S3
3 3 (4.69%) AWS CloudFormation
3 3 (4.69%) AWS Lambda
4 1 (1.56%) Microsoft Azure
Communications & Networking
1 3 (4.69%) Internet
2 1 (1.56%) Intranet
Database & Business Intelligence
1 12 (18.75%) MongoDB
2 7 (10.94%) PostgreSQL
3 6 (9.38%) Hadoop
4 4 (6.25%) Big Data
5 3 (4.69%) Amazon DynamoDB
6 2 (3.13%) Apache Hive
6 2 (3.13%) Impala
6 2 (3.13%) Sqoop
7 1 (1.56%) Data Lake
7 1 (1.56%) MySQL
7 1 (1.56%) Relational Database
7 1 (1.56%) SQL Server
7 1 (1.56%) SQL Server Integration Services
Development Applications
1 38 (59.38%) Git (software)
2 30 (46.88%) Jenkins
3 14 (21.88%) git-flow
4 11 (17.19%) JUnit
5 4 (6.25%) Grunt
5 4 (6.25%) gulp
5 4 (6.25%) webpack
6 3 (4.69%) Cucumber
6 3 (4.69%) Eclipse
6 3 (4.69%) Maven
7 2 (3.13%) Selenium
8 1 (1.56%) Bitbucket
8 1 (1.56%) JIRA
8 1 (1.56%) JIRA Agile
8 1 (1.56%) Visual Studio
General
1 27 (42.19%) Banking
2 20 (31.25%) Finance
3 3 (4.69%) Retail
4 2 (3.13%) Spanish Language
Job Titles
1 60 (93.75%) Developer
2 22 (34.38%) Java Developer
3 18 (28.13%) Node.js Developer
4 12 (18.75%) iOS Developer
4 12 (18.75%) JavaScript Developer
5 9 (14.06%) Agile Developer
5 9 (14.06%) MongoDB Developer
6 8 (12.50%) Front End Developer (Client-Side Developer)
7 6 (9.38%) Angular Developer
8 5 (7.81%) Full Stack Developer
8 5 (7.81%) HTML Developer
9 4 (6.25%) Front End Java Developer (Client-Side Java Developer)
9 4 (6.25%) Senior Developer
10 3 (4.69%) Agile Java Developer
10 3 (4.69%) AWS Developer
10 3 (4.69%) Senior Front-End Developer
10 3 (4.69%) Software Developer
11 2 (3.13%) Designer
11 2 (3.13%) Java Software Developer
11 2 (3.13%) Technical Leader
Libraries, Frameworks & Software Standards
1 35 (54.69%) REST
2 31 (48.44%) RESTful
3 28 (43.75%) Node.js
3 28 (43.75%) XML
4 27 (42.19%) HTML
5 23 (35.94%) Spring
6 19 (29.69%) Swagger
7 17 (26.56%) AngularJS
7 17 (26.56%) Spring Boot
8 15 (23.44%) Web Services
9 11 (17.19%) CSS
10 10 (15.63%) HTML5
10 10 (15.63%) OAuth
10 10 (15.63%) SOAP
11 9 (14.06%) Ajax
11 9 (14.06%) Java EE
11 9 (14.06%) jQuery
12 8 (12.50%) CSS3
12 8 (12.50%) iOS SDK
13 7 (10.94%) Spring Security
Miscellaneous
1 3 (4.69%) Online Banking
2 1 (1.56%) Algorithms
2 1 (1.56%) Computer Science
2 1 (1.56%) Mobile App
2 1 (1.56%) Mobile Banking
Operating Systems
1 13 (20.31%) Apple iOS
2 3 (4.69%) Linux
3 1 (1.56%) Android
3 1 (1.56%) Red Hat Enterprise Linux
Processes & Methodologies
1 48 (75.00%) Agile Software Development
2 28 (43.75%) Scrum
3 26 (40.63%) Microservices
4 20 (31.25%) API Development
5 12 (18.75%) iOS Development
5 12 (18.75%) TDD
6 11 (17.19%) OO
7 9 (14.06%) Mobile Development
8 6 (9.38%) SOA
8 6 (9.38%) Software Engineering
9 5 (7.81%) BDD
9 5 (7.81%) Front End Development
10 4 (6.25%) Digital Transformation Programme
10 4 (6.25%) MVC
10 4 (6.25%) Unit Testing
11 3 (4.69%) Agile Testing
11 3 (4.69%) CRM
11 3 (4.69%) Open Source
12 2 (3.13%) Analytics
12 2 (3.13%) User Stories
Programming Languages
1 32 (50.00%) Java
2 31 (48.44%) JavaScript
3 12 (18.75%) Apple Swift
4 11 (17.19%) Objective-C
5 7 (10.94%) SQL
6 4 (6.25%) Ruby
6 4 (6.25%) Shell Script
7 2 (3.13%) C#
7 2 (3.13%) Perl
7 2 (3.13%) Scala
8 1 (1.56%) Clojure
8 1 (1.56%) F#
8 1 (1.56%) PHP
Qualifications
1 3 (4.69%) Degree
2 1 (1.56%) Computer Science Degree
System Software
1 4 (6.25%) Docker
Systems Management
1 3 (4.69%) Marathon
1 3 (4.69%) Mesos
2 2 (3.13%) Oozie
Vendors
1 16 (25.00%) IBM
2 9 (14.06%) Apple
3 4 (6.25%) Apigee
3 4 (6.25%) MuleSoft
4 3 (4.69%) Oracle
4 3 (4.69%) Red Hat
4 3 (4.69%) WSO2
5 2 (3.13%) Microsoft
5 2 (3.13%) OpenText
6 1 (1.56%) Cloudera
6 1 (1.56%) Pega
6 1 (1.56%) TIBCO