Period
to 15 November 2018

The following table provides summary statistics for contract job vacancies advertised in the UK excluding London 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 November 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
UK > UK excluding London
6 months to
15 Nov 2018
Same period 2017 Same period 2016
Rank 100 80 99
Rank change year-on-year -20 +19 +80
Contract jobs citing JSON 1,398 1,418 1,405
As % of all contract IT jobs advertised in the UK excluding London 2.51% 2.63% 2.39%
As % of the Libraries, Frameworks & Software Standards category 8.01% 9.32% 8.56%
Number of daily rates quoted 873 901 908
UK excluding London median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% +3.90%
10th Percentile £325 £313 £300
90th Percentile £575 £553 £521
UK median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +6.25%
Number of hourly rates quoted 10 32 17
UK excluding London median hourly rate £40.00 £45.00 £37.50
Median hourly rate % change year-on-year -11.11% +20.00% +7.14%
10th Percentile £32.60 £17.23 £31.27
90th Percentile £60.86 £63.75 £49.05
UK median hourly rate £35.00 £45.00 £36.50
% change year-on-year -22.22% +23.29% -2.67%

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 the UK excluding London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK excluding London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 17,453 15,217 16,415
As % of all contract IT jobs advertised in the UK excluding London 31.38% 28.26% 27.97%
Number of daily rates quoted 11,498 9,861 10,648
UK excluding London median daily rate £425 £400 £388
Median daily rate % change year-on-year +6.25% +3.23% +3.33%
10th Percentile £313 £288 £269
90th Percentile £575 £545 £525
UK median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +3.66%
Number of hourly rates quoted 228 267 304
UK excluding London median hourly rate £41.25 £41.00 £36.75
Median hourly rate % change year-on-year +0.61% +11.56% -2.00%
10th Percentile £15.60 £17.31 £13.50
90th Percentile £55.30 £53.75 £49.46
UK median hourly rate £41.50 £40.00 £37.50
% change year-on-year +3.75% +6.67% -

JSON
Job Vacancy Trend in the UK excluding London

Job postings citing JSON as a percentage of all IT jobs advertised in the UK excluding London.

Job vacancy trend for JSON in the UK excluding London

JSON
Contractor Daily Rate Trend in the UK excluding London

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

Contractor daily rate trend for JSON in the UK excluding London

JSON
Contractor Daily Rate Histogram in the UK excluding London

The daily rate distribution of IT jobs citing JSON in the UK excluding London over the 6 months to 15 November 2018.

Contractor daily rate histogram for JSON in the UK excluding London

JSON
Contractor Hourly Rate Trend in the UK excluding London

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

Contractor hourly rate trend for JSON in the UK excluding London

JSON
Contractor Hourly Rate Histogram in the UK excluding London

The hourly rate distribution of IT jobs citing JSON in the UK excluding London over the 6 months to 15 November 2018.

Contractor hourly rate histogram for JSON in the UK excluding London

JSON
Contract Job Locations in the UK excluding London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the UK excluding London region over the 6 months to 15 November 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
South East +11 504 £470 +1.62% 124
North of England -15 279 £410 -3.53% 134
Midlands +18 212 £441 -2.00% 78
North West 0 160 £408 +1.88% 74
East of England -48 141 £525 +6.33% 37
West Midlands +2 137 £450 -10.00% 32
South West -10 132 £400 +8.84% 64
Scotland +1 111 £406 +1.56% 32
Yorkshire -7 88 £423 -6.11% 44
East Midlands +19 75 £425 - 46
North East -32 31 £455 +1.11% 16
Wales -14 25 £400 -5.88% 6
Channel Islands -6 2 - -
Northern Ireland -6 2 - - 5
South Coast - 2 - -
JSON
UK

For the 6 months to 15 November 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 UK excluding London region with a requirement for JSON.

1 786 (56.22%) Agile Software Development
2 693 (49.57%) Java
3 679 (48.57%) XML
4 499 (35.69%) REST
5 480 (34.33%) JavaScript
6 419 (29.97%) HTML
6 419 (29.97%) Git (software)
7 395 (28.25%) SOAP
8 386 (27.61%) Web Services
9 366 (26.18%) CSS
10 359 (25.68%) TDD
11 351 (25.11%) RESTful
12 327 (23.39%) SQL
13 314 (22.46%) Jenkins
14 313 (22.39%) Linux
15 312 (22.32%) Spring
16 310 (22.17%) C#
17 305 (21.82%) Test Automation
18 291 (20.82%) Scrum
19 288 (20.60%) DevOps
20 260 (18.60%) .NET
21 258 (18.45%) HTML5
22 252 (18.03%) Continuous Integration
23 248 (17.74%) Microsoft Azure
24 221 (15.81%) Microservices
25 215 (15.38%) MVC
26 213 (15.24%) AngularJS
27 209 (14.95%) Finance
28 202 (14.45%) jQuery
29 195 (13.95%) Microsoft

JSON
Co-occurring IT Skills in the UK excluding London 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
1 108 (7.73%) Apache
2 106 (7.58%) Confluence
3 72 (5.15%) Tomcat
4 69 (4.94%) Mule
5 63 (4.51%) JBoss
6 56 (4.01%) Elasticsearch
7 49 (3.51%) Oracle SOA Suite
8 48 (3.43%) Apache Spark
9 46 (3.29%) CMS
9 46 (3.29%) WebLogic
10 43 (3.08%) nginx
11 36 (2.58%) Oracle Service Bus
12 25 (1.79%) Apache Solr
13 20 (1.43%) Adobe Experience Manager
14 17 (1.22%) WebSphere
15 16 (1.14%) SharePoint
16 14 (1.00%) WordPress
17 13 (0.93%) Drupal
17 13 (0.93%) IIS
18 11 (0.79%) GemFire
Applications
1 9 (0.64%) Photoshop
2 8 (0.57%) Microsoft Excel
3 6 (0.43%) Chatbot
4 3 (0.21%) Adobe Illustrator
4 3 (0.21%) Microsoft Office
4 3 (0.21%) MS Visio
5 2 (0.14%) Microsoft PowerPoint
5 2 (0.14%) Microsoft Project
6 1 (0.072%) 3ds Max
6 1 (0.072%) InVision
6 1 (0.072%) Maya
Business Applications
1 17 (1.22%) Dynamics CRM
2 8 (0.57%) Magento
3 6 (0.43%) Oracle BPM
4 5 (0.36%) SAP FI-CA
4 5 (0.36%) SAP PSCD
5 3 (0.21%) Payment Gateway
5 3 (0.21%) SAP Hybris
6 2 (0.14%) BusinessWorks
6 2 (0.14%) Distributed Ledger
6 2 (0.14%) OpenCart
6 2 (0.14%) Salesforce.com CRM
6 2 (0.14%) SAP PM
6 2 (0.14%) TIBCO iProcess
7 1 (0.072%) Dynamics AX
7 1 (0.072%) Eloqua
7 1 (0.072%) Remedy ITSM
7 1 (0.072%) Sonata
Cloud Services
1 248 (17.74%) Microsoft Azure
2 150 (10.73%) Amazon AWS
3 93 (6.65%) GitHub
4 65 (4.65%) PaaS
5 60 (4.29%) IaaS
6 59 (4.22%) npm
7 46 (3.29%) Serverless
8 38 (2.72%) Amazon S3
9 35 (2.50%) SaaS
10 30 (2.15%) Google Analytics
11 26 (1.86%) Amazon EC2
12 21 (1.50%) NuGet
13 18 (1.29%) AWS Lambda
14 17 (1.22%) Apigee
14 17 (1.22%) OpenShift
15 16 (1.14%) Azure Functions
16 14 (1.00%) Boomi
16 14 (1.00%) Dynamics 365
17 12 (0.86%) Amazon CloudWatch
18 11 (0.79%) Google Cloud Platform
Communications & Networking
1 179 (12.80%) HTTP
2 64 (4.58%) SSL
3 45 (3.22%) TCP/IP
4 20 (1.43%) VPN
5 19 (1.36%) DNS
6 17 (1.22%) Internet
7 15 (1.07%) Firewall
8 13 (0.93%) Reverse Proxy
9 12 (0.86%) Bluetooth
9 12 (0.86%) DHCP
10 8 (0.57%) SSH
10 8 (0.57%) VoIP
10 8 (0.57%) Wi-Fi
11 7 (0.50%) Broadband
11 7 (0.50%) DSL
11 7 (0.50%) FTP
11 7 (0.50%) IPv4
11 7 (0.50%) IPv6
11 7 (0.50%) UPnP
11 7 (0.50%) WAN
Database & Business Intelligence
1 185 (13.23%) SQL Server
2 136 (9.73%) MongoDB
3 134 (9.59%) NoSQL
4 107 (7.65%) Relational Database
5 101 (7.22%) MySQL
6 84 (6.01%) Big Data
7 78 (5.58%) Hadoop
8 56 (4.01%) PostgreSQL
9 41 (2.93%) SQLite
10 37 (2.65%) RDBMS
11 34 (2.43%) HBase
12 33 (2.36%) Apache Cassandra
13 31 (2.22%) Redis
14 28 (2.00%) Data Warehouse
15 27 (1.93%) SQL Server Reporting Services
16 26 (1.86%) Oracle Database
16 26 (1.86%) SQL Server Integration Services
17 22 (1.57%) SQL Server 2016
18 20 (1.43%) Parquet
19 16 (1.14%) Neo4j
Development Applications
1 419 (29.97%) Git (software)
2 314 (22.46%) Jenkins
3 183 (13.09%) JIRA
4 156 (11.16%) Selenium
5 153 (10.94%) JUnit
6 143 (10.23%) Maven
7 123 (8.80%) Subversion
8 108 (7.73%) Cucumber
9 81 (5.79%) IntelliJ
10 80 (5.72%) Visual Studio
11 76 (5.44%) Team Foundation Server
12 68 (4.86%) Eclipse
13 67 (4.79%) Gradle
14 66 (4.72%) Ant
14 66 (4.72%) Visual Studio Team System
15 63 (4.51%) SoapUI
16 42 (3.00%) Bitbucket
17 39 (2.79%) Gatling
17 39 (2.79%) gulp
17 39 (2.79%) Xcode
General
1 209 (14.95%) Finance
2 82 (5.87%) Marketing
3 74 (5.29%) Banking
4 62 (4.43%) Manufacturing
5 60 (4.29%) Telecoms
6 57 (4.08%) Electronics
7 28 (2.00%) Retail
8 22 (1.57%) Games
9 14 (1.00%) Back Office
10 10 (0.72%) Law
11 5 (0.36%) Investment Banking
12 4 (0.29%) Advertising
13 3 (0.21%) Automotive
13 3 (0.21%) Financial Institution
13 3 (0.21%) International Banking
13 3 (0.21%) Legal
13 3 (0.21%) Pharmaceutical
14 2 (0.14%) Local Government
14 2 (0.14%) Publishing
Job Titles
1 951 (68.03%) Developer
2 310 (22.17%) Java Developer
3 122 (8.73%) Architect
4 86 (6.15%) .NET Developer
5 68 (4.86%) Senior Developer
6 66 (4.72%) Scala Developer
7 61 (4.36%) C# Developer
8 51 (3.65%) Azure Engineer
8 51 (3.65%) DevOps Engineer
9 50 (3.58%) Agile Developer
10 48 (3.43%) iOS Developer
11 46 (3.29%) Full Stack Developer
11 46 (3.29%) Integration Developer
12 45 (3.22%) Lead Developer
13 44 (3.15%) Senior Java Developer
14 41 (2.93%) Analyst
14 41 (2.93%) SQL Developer
15 39 (2.79%) Software Engineer
16 38 (2.72%) PHP Developer
16 38 (2.72%) Tester
Libraries, Frameworks & Software Standards
1 679 (48.57%) XML
2 499 (35.69%) REST
3 419 (29.97%) HTML
4 395 (28.25%) SOAP
5 386 (27.61%) Web Services
6 366 (26.18%) CSS
7 351 (25.11%) RESTful
8 312 (22.32%) Spring
9 260 (18.60%) .NET
10 258 (18.45%) HTML5
11 213 (15.24%) AngularJS
12 202 (14.45%) jQuery
13 157 (11.23%) Node.js
14 153 (10.94%) CSS3
15 148 (10.59%) Middleware
16 145 (10.37%) J2EE
17 119 (8.51%) Ajax
17 119 (8.51%) RabbitMQ
18 108 (7.73%) React
19 105 (7.51%) ASP.NET
Miscellaneous
1 100 (7.15%) Greenfield Project
2 99 (7.08%) Analytical Skills
3 89 (6.37%) Mobile App
4 78 (5.58%) User Experience
5 67 (4.79%) Enterprise Software
6 48 (3.43%) Self-Motivation
7 42 (3.00%) Computer Science
8 28 (2.00%) Linux Command Line
9 25 (1.79%) iPhone
9 25 (1.79%) Public Cloud
9 25 (1.79%) Virtual Team
10 19 (1.36%) Management Information System
10 19 (1.36%) Reference Data
11 18 (1.29%) Data Structures
12 16 (1.14%) DataPower
13 15 (1.07%) PKI
14 13 (0.93%) Hybrid Cloud
15 11 (0.79%) Social Media
16 10 (0.72%) Algorithms
17 9 (0.64%) Client/Server
Operating Systems
1 313 (22.39%) Linux
2 160 (11.44%) Unix
3 138 (9.87%) Windows
4 92 (6.58%) Apple iOS
5 80 (5.72%) Android
6 34 (2.43%) Ubuntu
7 22 (1.57%) Red Hat Enterprise Linux
8 20 (1.43%) Windows Server
9 15 (1.07%) Mac OS X
10 9 (0.64%) CentOS
11 7 (0.50%) Embedded Linux
11 7 (0.50%) Windows 7
11 7 (0.50%) Windows 8
12 6 (0.43%) AIX
13 5 (0.36%) Windows Server 2012
14 4 (0.29%) HPUX
14 4 (0.29%) Solaris
14 4 (0.29%) Windows Mobile
15 3 (0.21%) Windows Server 2008
16 2 (0.14%) Mac OS
Processes & Methodologies
1 786 (56.22%) Agile Software Development
2 359 (25.68%) TDD
3 305 (21.82%) Test Automation
4 291 (20.82%) Scrum
5 288 (20.60%) DevOps
6 252 (18.03%) Continuous Integration
7 221 (15.81%) Microservices
8 215 (15.38%) MVC
9 179 (12.80%) BDD
10 167 (11.95%) Problem-Solving
11 150 (10.73%) Open Source
12 145 (10.37%) Unit Testing
13 131 (9.37%) SOA
14 129 (9.23%) OO
15 113 (8.08%) Software Engineering
16 107 (7.65%) Web Development
17 106 (7.58%) Configuration Management
18 90 (6.44%) Analytics
19 80 (5.72%) Kanban
20 75 (5.36%) Business Intelligence
Programming Languages
1 693 (49.57%) Java
2 480 (34.33%) JavaScript
3 327 (23.39%) SQL
4 310 (22.17%) C#
5 167 (11.95%) Python
6 140 (10.01%) Scala
7 103 (7.37%) PowerShell
8 94 (6.72%) Ruby
9 84 (6.01%) Java 8
10 71 (5.08%) PHP
11 65 (4.65%) Groovy
12 54 (3.86%) Objective-C
12 54 (3.86%) Perl
13 53 (3.79%) PL/SQL
14 52 (3.72%) Apple Swift
15 50 (3.58%) T-SQL
16 49 (3.51%) Shell Script
17 47 (3.36%) C++
17 47 (3.36%) XPath
18 42 (3.00%) Bash Shell
Qualifications
1 101 (7.22%) Security Cleared
2 74 (5.29%) Degree
3 63 (4.51%) SC Cleared
4 35 (2.50%) BPSS Clearance
5 31 (2.22%) Computer Science Degree
6 25 (1.79%) DV Cleared
7 9 (0.64%) Microsoft Certification
8 5 (0.36%) AWS Certification
8 5 (0.36%) ISTQB
9 3 (0.21%) Numerate Degree
10 2 (0.14%) DBS Check
10 2 (0.14%) ISEB
10 2 (0.14%) MCSE
10 2 (0.14%) Sun Certification
10 2 (0.14%) TOGAF Certification
11 1 (0.072%) BC Cleared
11 1 (0.072%) CISSP
11 1 (0.072%) GCIA
11 1 (0.072%) GCIH
11 1 (0.072%) Six Sigma Black Belt
Quality Assurance & Compliance
1 34 (2.43%) QA
2 15 (1.07%) HMG Infosec
2 15 (1.07%) HMG Security Policy Framework
2 15 (1.07%) JSP 440
3 11 (0.79%) WCAG
4 9 (0.64%) Data Quality
5 6 (0.43%) PMO
6 4 (0.29%) ISO 9001
6 4 (0.29%) TickIT
7 2 (0.14%) GDPR
8 1 (0.072%) Disclosure Scotland
8 1 (0.072%) GMP
8 1 (0.072%) HL7
8 1 (0.072%) PSD2
8 1 (0.072%) SLA
8 1 (0.072%) SNOMED CT
System Software
1 178 (12.73%) Docker
2 55 (3.93%) Apache ZooKeeper
3 36 (2.58%) HDFS
4 21 (1.50%) Active Directory
5 8 (0.57%) VirtualBox
6 7 (0.50%) Virtual Machines
7 6 (0.43%) Hyper-V
7 6 (0.43%) Postfix
8 3 (0.21%) LXC
8 3 (0.21%) VMware Infrastructure
9 1 (0.072%) Apache Flume
9 1 (0.072%) KVM
9 1 (0.072%) Microsoft App-V
9 1 (0.072%) OpenAM
9 1 (0.072%) OpenDJ
Systems Management
1 67 (4.79%) Puppet
2 62 (4.43%) Ansible
3 51 (3.65%) Hadoop YARN
4 41 (2.93%) Kibana
5 40 (2.86%) Kubernetes
6 39 (2.79%) Terraform
7 31 (2.22%) Grafana
8 24 (1.72%) Opscode Chef
9 13 (0.93%) SCOrch
10 12 (0.86%) CloudForms
11 11 (0.79%) HockeyApp
12 9 (0.64%) logstash
13 8 (0.57%) HAProxy
13 8 (0.57%) SCOM
14 7 (0.50%) Rundeck
14 7 (0.50%) SCCM
14 7 (0.50%) Single Sign-On
15 5 (0.36%) CA Service Virtualization
15 5 (0.36%) WSUS
16 4 (0.29%) Control-M
Vendors
1 195 (13.95%) Microsoft
2 185 (13.23%) Oracle
3 123 (8.80%) Google
4 75 (5.36%) SAP
5 67 (4.79%) WSO2
6 60 (4.29%) Adobe
7 32 (2.29%) Talend
8 29 (2.07%) Apple
8 29 (2.07%) IBM
9 27 (1.93%) webMethods
10 25 (1.79%) Kony
11 23 (1.65%) Atlassian
12 22 (1.57%) MuleSoft
13 21 (1.50%) Xamarin
14 19 (1.36%) Twitter
15 16 (1.14%) Informatica
16 14 (1.00%) Dell
16 14 (1.00%) Salesforce.com
17 13 (0.93%) Rackspace
18 12 (0.86%) TIBCO