The following table provides summary statistics for contract job vacancies advertised in 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 3 months to 26 March 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.

3 months to
26 Mar 2017
Same period 2016 Same period 2015
JSON
England / London
Rank 104 157 125
Rank change year-on-year +53 -32  
Contract jobs citing JSON 458 348 377
As % of all contract IT jobs advertised in London 2.38% 1.57% 1.78%
As % of the Libraries, Frameworks & Software Standards category 6.84% 4.94% 5.89%
Number of daily rates quoted 324 273 269
Median daily rate £475 £440 £400
Median daily rate % change year-on-year +7.95% +10.00%  
90% offered a daily rate of more than £350 £350 £325
10% offered a daily rate of more than £600 £600 £513
UK excluding London median daily rate £413 £375 £350
% change year-on-year +10.00% +7.14%  
Number of hourly rates quoted 2 0 0
Median hourly rate £24.65 - -
UK excluding London median hourly rate £36.50 £55.00 £37.50
% change year-on-year -33.63% +46.66%  

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 London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 6698 7045 6400
As % of all contract IT job vacancies advertised in London 34.80% 31.82% 30.20%
Number of daily rates quoted 4986 5272 4632
Median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.55% +5.88%  
90% offered a daily rate of more than £340 £325 £313
10% offered a daily rate of more than £613 £600 £575
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 50 29 27
Median hourly rate £47.00 £50.00 £27.37
Median hourly rate % change year-on-year -6.00% +82.68%  
90% offered a hourly rate of more than £17.01 £22.00 £20.00
10% offered a hourly rate of more than £100.00 £55.00 £55.00
UK excluding London median hourly rate £40.00 £38.00 £36.00
% change year-on-year +5.26% +5.55%  

JSON
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing JSON as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for JSON in London

JSON
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for JSON in London

JSON
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing JSON in London over the 3 months to 26 March 2017.

Contractor daily rate histogram for JSON in London

JSON
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for JSON in London

JSON
Contract Job Locations in 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 London region over the 3 months to 26 March 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
City of London +9 63 £475 +11.76% 33
Canary Wharf -2 5 £600 +26.31%
Twickenham - 5 £348 - 1
Osterley - 3 £450 -
Brentford - 1 - -
Docklands, London - 1 £595 -
Westminster - 1 £550 -
Hackney - 1 £325 -
Heathrow - 1 - -
JSON
England

JSON
Top 30 Related IT Skills in London

For the 6 months to 26 March 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 London region with a requirement for JSON.

1 575 (55.45%) Agile Software Development
2 501 (48.31%) XML
3 472 (45.52%) Java
4 457 (44.07%) REST
5 419 (40.41%) JavaScript
6 405 (39.05%) HTML
7 396 (38.19%) CSS
8 334 (32.21%) Web Services
9 295 (28.45%) TDD
10 285 (27.48%) Git (software)
11 281 (27.10%) SOAP
12 271 (26.13%) SQL
13 254 (24.49%) Scrum
14 252 (24.30%) AngularJS
15 218 (21.02%) RESTful
16 214 (20.64%) HTML5
17 213 (20.54%) Finance
18 212 (20.44%) Spring
19 204 (19.67%) Jenkins
20 203 (19.58%) jQuery
21 202 (19.48%) Linux
22 190 (18.32%) OO
23 164 (15.81%) CSS3
24 162 (15.62%) Oracle
25 158 (15.24%) MVC
25 158 (15.24%) Maven
26 156 (15.04%) Ajax
27 146 (14.08%) Python
28 141 (13.60%) Continuous Integration
29 140 (13.50%) JIRA

JSON
Top Related IT Skills in 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 74 (7.14%) CMS
2 60 (5.79%) Oracle SOA Suite
3 58 (5.59%) Apache
4 52 (5.01%) Confluence
5 44 (4.24%) Tomcat
6 42 (4.05%) WebSphere
7 41 (3.95%) Adobe Experience Manager
8 36 (3.47%) Apache Solr
9 34 (3.28%) Mule
10 31 (2.99%) Apache Spark
11 28 (2.70%) JBoss
12 27 (2.60%) WebLogic
13 23 (2.22%) Elasticsearch
14 21 (2.03%) Oracle Service Bus
15 19 (1.83%) IIS
16 17 (1.64%) Drupal
17 13 (1.25%) Anypoint
18 9 (0.87%) WordPress
19 8 (0.77%) Cloud Foundry
19 8 (0.77%) MQSeries
Applications
1 18 (1.74%) MS Excel
2 4 (0.39%) Adobe Illustrator
2 4 (0.39%) Photoshop
3 2 (0.19%) 3ds Max
3 2 (0.19%) MS Project
Business Applications
1 35 (3.38%) SAP Oil and Gas
2 9 (0.87%) Workday HCM
3 6 (0.58%) Adobe Campaign
4 5 (0.48%) Magento
5 4 (0.39%) Eloqua
5 4 (0.39%) Unica
6 3 (0.29%) Dynamics CRM
6 3 (0.29%) NetSuite
6 3 (0.29%) Oracle BPM
6 3 (0.29%) SAP HCM
7 2 (0.19%) BusinessWorks
7 2 (0.19%) Oracle EBS
7 2 (0.19%) Oracle ERP
8 1 (0.096%) Dynamics AX
8 1 (0.096%) Global One
8 1 (0.096%) Salesforce.com CRM
8 1 (0.096%) SDL Web 8
Cloud Services
1 114 (10.99%) Amazon AWS
2 81 (7.81%) Microsoft Azure
3 70 (6.75%) GitHub
4 37 (3.57%) PaaS
5 28 (2.70%) IaaS
6 18 (1.74%) Amazon S3
6 18 (1.74%) Cloud Computing
7 17 (1.64%) Amazon EC2
8 15 (1.45%) SaaS
9 12 (1.16%) Amazon ELB
10 11 (1.06%) Amazon Kinesis
11 10 (0.96%) AWS CloudFormation
12 9 (0.87%) AWS Elastic Beanstalk
12 9 (0.87%) Heroku
13 8 (0.77%) Amazon CloudWatch
14 7 (0.68%) CloudBees
14 7 (0.68%) Force.com
14 7 (0.68%) OpenShift
15 5 (0.48%) Google Cloud Platform
15 5 (0.48%) Virtual Private Cloud
Communications & Networking
1 102 (9.84%) HTTP
2 29 (2.80%) TCP/IP
3 21 (2.03%) SSL
4 18 (1.74%) DNS
5 12 (1.16%) Internet
6 10 (0.96%) Firewall
7 9 (0.87%) RTSP
7 9 (0.87%) VPN
8 8 (0.77%) Intranet
8 8 (0.77%) MQTT
8 8 (0.77%) Network Security
9 6 (0.58%) HTTPS
10 5 (0.48%) LDAP
11 4 (0.39%) AMQP
11 4 (0.39%) SMTP
12 3 (0.29%) Asterisk PBX
12 3 (0.29%) Bluetooth
12 3 (0.29%) DHCP
12 3 (0.29%) PuTTY
12 3 (0.29%) SNMP
Database & Business Intelligence
1 105 (10.13%) MySQL
2 97 (9.35%) Relational Database
3 80 (7.71%) SQL Server
4 76 (7.33%) MongoDB
5 70 (6.75%) NoSQL
6 55 (5.30%) Big Data
7 48 (4.63%) PostgreSQL
8 34 (3.28%) Apache Cassandra
8 34 (3.28%) DB2
9 31 (2.99%) Hadoop
10 25 (2.41%) SQLite
11 21 (2.03%) RDBMS
12 19 (1.83%) Oracle Database
13 15 (1.45%) Redis
14 14 (1.35%) Apache Hive
14 14 (1.35%) Data Warehouse
15 13 (1.25%) Parquet
16 12 (1.16%) SQL Server 2008
17 10 (0.96%) SQL Server Integration Services
18 8 (0.77%) SQL Server 2012
Development Applications
1 285 (27.48%) Git (software)
2 204 (19.67%) Jenkins
3 158 (15.24%) Maven
4 140 (13.50%) JIRA
5 106 (10.22%) JUnit
6 93 (8.97%) Cucumber
7 67 (6.46%) Subversion
8 66 (6.36%) Mockito
9 65 (6.27%) Gradle
10 62 (5.98%) TeamCity
11 60 (5.79%) Selenium
12 43 (4.15%) Jasmine
13 37 (3.57%) Ant
14 35 (3.38%) Hudson
15 32 (3.09%) Protractor
16 31 (2.99%) Karma Test Runner
17 29 (2.80%) webpack
18 27 (2.60%) Eclipse
19 26 (2.51%) CruiseControl
19 26 (2.51%) Grunt
General
1 213 (20.54%) Finance
2 139 (13.40%) Banking
3 51 (4.92%) Telecoms
4 50 (4.82%) Marketing
5 47 (4.53%) Retail
6 37 (3.57%) Manufacturing
7 35 (3.38%) Electronics
8 22 (2.12%) Games
9 21 (2.03%) Investment Banking
10 16 (1.54%) Law
11 15 (1.45%) Legal
12 14 (1.35%) Advertising
13 11 (1.06%) Front Office
14 8 (0.77%) Publishing
15 5 (0.48%) Automotive
15 5 (0.48%) Back Office
16 3 (0.29%) Financial Institution
16 3 (0.29%) Online Betting
17 2 (0.19%) Billing
17 2 (0.19%) Multimedia
Job Titles
1 703 (67.79%) Developer
2 203 (19.58%) Java Developer
3 116 (11.19%) Architect
4 106 (10.22%) Senior Developer
5 73 (7.04%) Front End Developer (Client-Side Developer)
6 59 (5.69%) Android Developer
7 57 (5.50%) JavaScript Developer
8 47 (4.53%) Senior Java Developer
8 47 (4.53%) Solutions Architect
9 46 (4.44%) Angular Developer
10 38 (3.66%) Consultant
10 38 (3.66%) UI Developer
11 37 (3.57%) .NET Developer
12 32 (3.09%) C# Developer
13 31 (2.99%) DevOps Engineer
13 31 (2.99%) Full Stack Developer
14 30 (2.89%) Web Developer
15 29 (2.80%) iOS Developer
16 26 (2.51%) Agile Developer
16 26 (2.51%) Tester
Libraries, Frameworks & Software Standards
1 501 (48.31%) XML
2 457 (44.07%) REST
3 405 (39.05%) HTML
4 396 (38.19%) CSS
5 334 (32.21%) Web Services
6 281 (27.10%) SOAP
7 252 (24.30%) AngularJS
8 218 (21.02%) RESTful
9 214 (20.64%) HTML5
10 212 (20.44%) Spring
11 203 (19.58%) jQuery
12 164 (15.81%) CSS3
13 156 (15.04%) Ajax
14 136 (13.11%) Node.js
15 117 (11.28%) XSLT
16 114 (10.99%) .NET
17 112 (10.80%) Hibernate
18 105 (10.13%) React
19 97 (9.35%) Sass
20 87 (8.39%) J2EE
Miscellaneous
1 78 (7.52%) User Experience
2 60 (5.79%) Mobile App
3 47 (4.53%) Analytical Skills
4 45 (4.34%) Computer Science
5 26 (2.51%) Enterprise Software
6 19 (1.83%) Data Structures
7 18 (1.74%) Foreign Exchange (FX)
7 18 (1.74%) Public Cloud
8 16 (1.54%) Web 2.0
9 15 (1.45%) Video on Demand
10 14 (1.35%) Derivative
10 14 (1.35%) Device Driver
11 13 (1.25%) iPad
11 13 (1.25%) Management Information System
12 11 (1.06%) Graphic Design
13 10 (0.96%) iPhone
14 9 (0.87%) Fintech
15 8 (0.77%) Algorithms
15 8 (0.77%) Clustering
15 8 (0.77%) Linux Command Line
Operating Systems
1 202 (19.48%) Linux
2 126 (12.15%) Unix
3 93 (8.97%) Android
4 78 (7.52%) Windows
5 63 (6.08%) Apple iOS
6 29 (2.80%) Windows Server
7 22 (2.12%) CentOS
8 19 (1.83%) Ubuntu
9 14 (1.35%) Red Hat Enterprise Linux
10 12 (1.16%) Solaris
11 11 (1.06%) HPUX
12 9 (0.87%) Mac OS X
13 7 (0.68%) webOS
13 7 (0.68%) Windows Phone
13 7 (0.68%) Windows Phone 7
13 7 (0.68%) Windows Server 2008
13 7 (0.68%) Windows Server 2012
14 4 (0.39%) Mac OS X Server
15 2 (0.19%) FreeBSD
16 1 (0.096%) Embedded Linux
Processes & Methodologies
1 575 (55.45%) Agile Software Development
2 295 (28.45%) TDD
3 254 (24.49%) Scrum
4 190 (18.32%) OO
5 158 (15.24%) MVC
6 141 (13.60%) Continuous Integration
7 128 (12.34%) BDD
8 125 (12.05%) Microservices
9 123 (11.86%) DevOps
10 112 (10.80%) SOA
11 104 (10.03%) E-Commerce
12 97 (9.35%) Front End Development
13 81 (7.81%) Web Development
14 77 (7.43%) Unit Testing
15 73 (7.04%) API Development
16 72 (6.94%) Software Engineering
17 71 (6.85%) Kanban
18 67 (6.46%) Android Development
19 61 (5.88%) Open Source
20 56 (5.40%) Pair Programming
Programming Languages
1 472 (45.52%) Java
2 419 (40.41%) JavaScript
3 271 (26.13%) SQL
4 146 (14.08%) Python
5 109 (10.51%) C#
6 93 (8.97%) PHP
7 79 (7.62%) Shell Script
8 67 (6.46%) Scala
9 60 (5.79%) Ruby
10 58 (5.59%) XPath
11 52 (5.01%) Bash Shell
12 44 (4.24%) C
13 43 (4.15%) PL/SQL
14 37 (3.57%) C++
15 28 (2.70%) Apple Swift
16 25 (2.41%) Objective-C
16 25 (2.41%) PowerShell
17 24 (2.31%) Korn
17 24 (2.31%) Perl
18 23 (2.22%) ActionScript
Qualifications
1 68 (6.56%) Degree
2 45 (4.34%) Security Cleared
3 41 (3.95%) SC Cleared
4 9 (0.87%) ISEB
4 9 (0.87%) ISTQB
5 3 (0.29%) BPSS Clearance
6 2 (0.19%) AWS Certification
6 2 (0.19%) DV Cleared
7 1 (0.096%) CFA
7 1 (0.096%) ISTQB Foundation Certification
7 1 (0.096%) PMI Certification
7 1 (0.096%) PMP
7 1 (0.096%) Sun Certification
Quality Assurance & Compliance
1 43 (4.15%) QA
2 23 (2.22%) Dodd-Frank
2 23 (2.22%) EMIR
2 23 (2.22%) MiFID
3 14 (1.35%) FATCA
4 7 (0.68%) SDET
5 5 (0.48%) Data Quality
6 3 (0.29%) Disclosure Scotland
6 3 (0.29%) HL7
System Software
1 70 (6.75%) Docker
2 21 (2.03%) Active Directory
3 11 (1.06%) VMware Infrastructure
4 7 (0.68%) Virtual Machines
5 4 (0.39%) VirtualBox
5 4 (0.39%) VMware ESXi
6 3 (0.29%) HDFS
6 3 (0.29%) Shibboleth
7 2 (0.19%) Hyper-V
8 1 (0.096%) Apache Flume
8 1 (0.096%) Apache ZooKeeper
8 1 (0.096%) Ceph
8 1 (0.096%) etcd
8 1 (0.096%) Firmware
8 1 (0.096%) GlusterFS
Systems Management
1 39 (3.76%) Ansible
2 29 (2.80%) Puppet
3 18 (1.74%) Opscode Chef
4 13 (1.25%) MOM
5 9 (0.87%) Terraform
6 7 (0.68%) Kubernetes
6 7 (0.68%) Piwik
7 6 (0.58%) Grafana
7 6 (0.58%) HockeyApp
8 5 (0.48%) Kibana
9 4 (0.39%) Jamf Pro
9 4 (0.39%) Nagios
9 4 (0.39%) Norton AntiVirus
9 4 (0.39%) SCCM
9 4 (0.39%) Symantec Endpoint Protection
10 3 (0.29%) Consul
10 3 (0.29%) logstash
10 3 (0.29%) Packer
10 3 (0.29%) rkt
10 3 (0.29%) ZABBIX
Vendors
1 162 (15.62%) Oracle
2 66 (6.36%) Adobe
3 49 (4.73%) Microsoft
4 47 (4.53%) SAP
5 44 (4.24%) IBM
6 42 (4.05%) MuleSoft
7 37 (3.57%) Salesforce.com
8 34 (3.28%) Perforce
9 29 (2.80%) Google
10 26 (2.51%) ServiceNow
11 25 (2.41%) Red Hat
11 25 (2.41%) Solace
12 20 (1.93%) Apple
12 20 (1.93%) WSO2
13 18 (1.74%) Sybase
14 17 (1.64%) TIBCO
15 16 (1.54%) Zend
16 15 (1.45%) hybris
17 14 (1.35%) ATG
18 12 (1.16%) Informatica
City, London
Oscar
Rate: £300 - £375 per day
Posted: Yesterday
London
Opus Resourcing Ltd
Rate: £450 - £530 per day + 6 Months
Posted: Yesterday
London
Cyber Team
Rate: From £400 to £500 per day Negotiable
Posted: 2 days ago
London
Oliver Bernard
Rate: £500 - £700 per day
Posted: 3 days ago
London
McGregor Boyall
Rate: £450 - £550 per day
Posted: 4 days ago
West London
Opus Resourcing Ltd
Rate: £375 - £440 per day + 6 Month Contract
Posted: 2 days ago
West London
Claremont Consulting Ltd
Rate: From £300 to £475 per day
Posted: Yesterday
West London
Vadis People
Rate: c£60,000 - £65,000 Pro Rota
Posted: 3 days ago
London
Hydrogen Group
Rate: £450.00 - £550.00 per day
Posted: 4 days ago
North London
ReThink Recruitment
Rate: £285 - £325 per day
Posted: 2 days ago
London
Talent International
Rate: £500 - £1000 per day
Posted: Yesterday
City, London
ANSON MCCADE
Rate: £400 - £600 per day
Posted: 2 days ago
City, London
Premier IT
Rate: £300 per day
Posted: 5 days ago
London
Rullion
Posted: 4 days ago
City, London
Salt
Rate: £550.00 - £750.00 per day
Posted: 2 days ago
London
Opus Resourcing Ltd
Rate: £450 - £530 per day + 6 Months
Posted: 4 days ago
London
Stafford-Sharp Associates
Rate: £450 - £550 per day
Posted: 4 days ago
Hounslow, Middlesex
Intrinsic Recruitment Ltd
Rate: Market rates + Bonus & Benefits
Posted: 5 days ago
London
Cititec
Rate: £400 - £600 per day
Posted: 5 days ago
City, London
Intrinsic Recruitment Ltd
Rate: Up to £500 per day + Bonus & Benefits
Posted: 5 days ago
London
Experis Ltd
Posted: 4 days ago
City of London
Lawrence Harvey
Rate: £400 - £500 per day
Posted: 6 days ago
East London
People Source Consulting
Rate: £450 - £475 per day
Posted: 5 days ago
City of London
Lawrence Harvey
Rate: £450.00 - £550.00 per day
Posted: 5 days ago
City, London
Hatstand Limited
Rate: £400 - £550 per annum
Posted: 4 days ago
East London
People Source Consulting
Rate: £450 - £500 per day
Posted: 15 days ago
West London
People Source Consulting
Rate: £450 - £500 per day
Posted: 25 days ago
South East London
People Source Consulting
Rate: £500 - £550 per day
Posted: 17 days ago