Period
to 19 October 2018

The following table provides summary statistics for contract job vacancies advertised in the City of 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 19 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
Central London > City of London
6 months to
19 Oct 2018
Same period 2017 Same period 2016
Rank 98 95 91
Rank change year-on-year -3 -4 +54
Contract jobs citing JSON 180 189 179
As % of all contract IT jobs advertised in the City of London 2.57% 2.75% 2.69%
As % of the Libraries, Frameworks & Software Standards category 6.39% 7.18% 7.56%
Number of daily rates quoted 153 150 155
City of London median daily rate £500 £450 £480
Median daily rate % change year-on-year +11.11% -6.25% +12.94%
10th Percentile £413 £375 £343
90th Percentile £625 £638 £583
Central London median daily rate £500 £466 £450
% change year-on-year +7.24% +3.61% +5.88%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

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 City of London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
City of London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 2,817 2,632 2,369
As % of all contract IT jobs advertised in the City of London 40.24% 38.33% 35.55%
Number of daily rates quoted 2,347 2,177 2,017
City of London median daily rate £525 £505 £475
Median daily rate % change year-on-year +3.96% +6.32% +0.80%
10th Percentile £394 £363 £325
90th Percentile £675 £650 £638
Central London median daily rate £525 £500 £465
% change year-on-year +5.00% +7.53% +3.33%
Number of hourly rates quoted 7 6 4
City of London median hourly rate £32.00 £21.50 £35.00
Median hourly rate % change year-on-year +48.84% -38.57% -3.45%
10th Percentile £18.52 £18.38 £19.00
90th Percentile £77.80 £27.74 £56.31
Central London median hourly rate £33.50 £21.50 £35.00
% change year-on-year +55.81% -38.57% -3.45%

JSON
Job Vacancy Trend in the City of London

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

Job vacancy trend for JSON in the City of London

JSON
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for JSON in the City of London

JSON
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing JSON in the City of London over the 6 months to 19 October 2018.

Contractor daily rate histogram for JSON in the City of London

JSON
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for JSON in the City of London

JSON
Contract Job Locations in the City of 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 City of London region over the 6 months to 19 October 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
London Bridge - 4 £475 -
JSON
Central London

For the 6 months to 19 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 City of London region with a requirement for JSON.

1 89 (49.44%) REST
2 78 (43.33%) Java
3 74 (41.11%) Agile Software Development
4 67 (37.22%) JavaScript
5 64 (35.56%) TDD
6 62 (34.44%) XML
7 60 (33.33%) HTML
8 53 (29.44%) Finance
9 51 (28.33%) Git (software)
10 46 (25.56%) DevOps
10 46 (25.56%) CSS
11 42 (23.33%) Microservices
12 39 (21.67%) Scrum
13 35 (19.44%) SOAP
13 35 (19.44%) HTML5
14 32 (17.78%) Web Services
14 32 (17.78%) Jenkins
15 30 (16.67%) SQL
16 29 (16.11%) AngularJS
16 29 (16.11%) Continuous Integration
17 28 (15.56%) Amazon AWS
17 28 (15.56%) MongoDB
17 28 (15.56%) React
18 27 (15.00%) Python
19 26 (14.44%) SQL Server
20 25 (13.89%) Microsoft Azure
20 25 (13.89%) Test Automation
21 24 (13.33%) RESTful
21 24 (13.33%) OAuth
21 24 (13.33%) Docker

JSON
Co-occurring IT Skills in the City of 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 12 (6.67%) Tomcat
2 11 (6.11%) Confluence
3 7 (3.89%) Elasticsearch
3 7 (3.89%) WebSphere
4 6 (3.33%) Oracle SOA Suite
5 5 (2.78%) nginx
6 4 (2.22%) Cloud Foundry
6 4 (2.22%) JBoss
6 4 (2.22%) SharePoint
6 4 (2.22%) WebLogic
7 2 (1.11%) CMS
7 2 (1.11%) IIS
8 1 (0.56%) Apache
8 1 (0.56%) Mule
8 1 (0.56%) WebSphere Application Server
Applications
1 2 (1.11%) Photoshop
2 1 (0.56%) Microsoft Excel
2 1 (0.56%) Spreadsheet
Business Applications
1 1 (0.56%) Dynamics CRM
1 1 (0.56%) Remedy ITSM
Cloud Services
1 28 (15.56%) Amazon AWS
2 25 (13.89%) Microsoft Azure
3 22 (12.22%) IaaS
4 17 (9.44%) PaaS
5 14 (7.78%) Amazon S3
6 11 (6.11%) Amazon EC2
6 11 (6.11%) Azure Active Directory
6 11 (6.11%) Heroku
7 10 (5.56%) Amazon SQS
7 10 (5.56%) npm
8 8 (4.44%) Office 365
9 7 (3.89%) GitHub
10 5 (2.78%) Amazon CloudWatch
10 5 (2.78%) Google Cloud Platform
11 3 (1.67%) OpenShift
11 3 (1.67%) Serverless
12 2 (1.11%) AWS CloudFormation
12 2 (1.11%) AWS Lambda
12 2 (1.11%) BrowserStack
12 2 (1.11%) Salesforce Service Cloud
Communications & Networking
1 7 (3.89%) Internet
2 5 (2.78%) AMQP
3 4 (2.22%) MQTT
4 3 (1.67%) HTTP
4 3 (1.67%) VPN
4 3 (1.67%) X.509
5 2 (1.11%) BGP
5 2 (1.11%) BIG-IP
5 2 (1.11%) Firewall
5 2 (1.11%) MPLS
5 2 (1.11%) TACACS
6 1 (0.56%) DNS
6 1 (0.56%) Ethernet
6 1 (0.56%) Intranet
6 1 (0.56%) Network Security
6 1 (0.56%) NGN
6 1 (0.56%) OSPF
6 1 (0.56%) SAN
6 1 (0.56%) SNMP
6 1 (0.56%) WAN
Database & Business Intelligence
1 28 (15.56%) MongoDB
2 26 (14.44%) SQL Server
3 16 (8.89%) NoSQL
4 13 (7.22%) Big Data
5 11 (6.11%) Hadoop
6 10 (5.56%) Relational Database
7 9 (5.00%) PostgreSQL
8 7 (3.89%) MySQL
9 6 (3.33%) Azure SQL Database
10 5 (2.78%) Cloud Spanner
10 5 (2.78%) Redis
11 3 (1.67%) Oracle Database
12 2 (1.11%) Amazon Redshift
12 2 (1.11%) Apache Hive
12 2 (1.11%) Data Warehouse
12 2 (1.11%) Oracle Database 10g
12 2 (1.11%) RDBMS
12 2 (1.11%) SQL Server 2005
12 2 (1.11%) SQL Server 2008
12 2 (1.11%) SQL Server 2012
Development Applications
1 51 (28.33%) Git (software)
2 32 (17.78%) Jenkins
3 21 (11.67%) JIRA
4 13 (7.22%) Maven
5 12 (6.67%) gulp
6 11 (6.11%) Selenium
7 10 (5.56%) Babel
7 10 (5.56%) Grunt
8 9 (5.00%) webpack
9 7 (3.89%) Cucumber
10 6 (3.33%) Subversion
11 4 (2.22%) Jasmine
11 4 (2.22%) SoapUI
11 4 (2.22%) TeamCity
11 4 (2.22%) Visual Studio Team System
11 4 (2.22%) WebDriver
12 3 (1.67%) GoogleTest
12 3 (1.67%) Gradle
12 3 (1.67%) Mockito
12 3 (1.67%) Xcode
General
1 53 (29.44%) Finance
2 22 (12.22%) Banking
3 9 (5.00%) Advertising
4 7 (3.89%) Financial Institution
4 7 (3.89%) Front Office
5 5 (2.78%) Investment Banking
6 4 (2.22%) Automotive
6 4 (2.22%) Legal
7 3 (1.67%) Marketing
7 3 (1.67%) Telecoms
8 2 (1.11%) Retail Banking
9 1 (0.56%) Billing
9 1 (0.56%) Digital Economy
9 1 (0.56%) Retail
Job Titles
1 101 (56.11%) Developer
2 33 (18.33%) Java Developer
3 23 (12.78%) Senior Developer
4 19 (10.56%) Architect
5 13 (7.22%) Front End Developer (Client-Side Developer)
5 13 (7.22%) UI Developer
6 11 (6.11%) Azure DevOps
6 11 (6.11%) DevOps Engineer
7 10 (5.56%) Angular Developer
7 10 (5.56%) Ruby on Rails Developer
7 10 (5.56%) Senior Java Developer
8 7 (3.89%) Integration Developer
8 7 (3.89%) JavaScript Developer
8 7 (3.89%) Node.js Developer
8 7 (3.89%) React Developer
9 6 (3.33%) Azure DevOps Engineer
9 6 (3.33%) Azure Engineer
9 6 (3.33%) Lead Java Developer
9 6 (3.33%) Senior Front-End Developer
9 6 (3.33%) Technical Leader
Libraries, Frameworks & Software Standards
1 89 (49.44%) REST
2 62 (34.44%) XML
3 60 (33.33%) HTML
4 46 (25.56%) CSS
5 35 (19.44%) HTML5
5 35 (19.44%) SOAP
6 32 (17.78%) Web Services
7 29 (16.11%) AngularJS
8 28 (15.56%) React
9 24 (13.33%) OAuth
9 24 (13.33%) RESTful
10 23 (12.78%) Node.js
11 22 (12.22%) OpenID
12 21 (11.67%) CSS3
13 20 (11.11%) J2EE
13 20 (11.11%) Java EE
14 18 (10.00%) .NET
14 18 (10.00%) jQuery
14 18 (10.00%) RabbitMQ
15 17 (9.44%) Spring Boot
Miscellaneous
1 16 (8.89%) Fintech
2 15 (8.33%) User Experience
2 15 (8.33%) Virtual Team
3 8 (4.44%) Mobile App
4 7 (3.89%) Analytical Skills
5 6 (3.33%) Computer Science
5 6 (3.33%) Derivative
5 6 (3.33%) Greenfield Project
6 4 (2.22%) Analytical Mindset
6 4 (2.22%) Data Centre
6 4 (2.22%) Data Structures
6 4 (2.22%) Enterprise Software
6 4 (2.22%) Internet of Things
6 4 (2.22%) Self-Motivation
7 3 (1.67%) PKI
8 2 (1.11%) Algorithms
8 2 (1.11%) Equity Derivative
8 2 (1.11%) Fixed Income
9 1 (0.56%) Mobile Payment
9 1 (0.56%) Public Cloud
Operating Systems
1 12 (6.67%) Linux
2 11 (6.11%) Apple iOS
3 10 (5.56%) Unix
4 8 (4.44%) Android
5 7 (3.89%) Windows
6 4 (2.22%) Windows Server
7 2 (1.11%) Red Hat Enterprise Linux
8 1 (0.56%) CentOS
8 1 (0.56%) Debian
8 1 (0.56%) Ubuntu
8 1 (0.56%) Windows Server 2012
Processes & Methodologies
1 74 (41.11%) Agile Software Development
2 64 (35.56%) TDD
3 46 (25.56%) DevOps
4 42 (23.33%) Microservices
5 39 (21.67%) Scrum
6 29 (16.11%) Continuous Integration
7 25 (13.89%) Test Automation
8 23 (12.78%) SOA
9 22 (12.22%) Front End Development
9 22 (12.22%) MVC
10 18 (10.00%) Stakeholder Management
11 17 (9.44%) Analytics
12 16 (8.89%) BDD
13 15 (8.33%) OO
13 15 (8.33%) Software Engineering
14 14 (7.78%) SDLC
15 13 (7.22%) Kanban
16 11 (6.11%) Problem-Solving
16 11 (6.11%) Unit Testing
17 10 (5.56%) Data Modelling
Programming Languages
1 78 (43.33%) Java
2 67 (37.22%) JavaScript
3 30 (16.67%) SQL
4 27 (15.00%) Python
5 19 (10.56%) ES6
5 19 (10.56%) Ruby
6 18 (10.00%) Java 8
7 17 (9.44%) PowerShell
8 16 (8.89%) C#
9 10 (5.56%) TypeScript
10 6 (3.33%) Apple Swift
11 5 (2.78%) PHP
11 5 (2.78%) PL/SQL
12 4 (2.22%) ANSI SQL
12 4 (2.22%) C
12 4 (2.22%) C++
12 4 (2.22%) ES7
12 4 (2.22%) Objective-C
12 4 (2.22%) Shell Script
13 3 (1.67%) Scala
Qualifications
1 6 (3.33%) Degree
2 4 (2.22%) Security Cleared
3 3 (1.67%) A+ Certification
3 3 (1.67%) SC Cleared
4 1 (0.56%) AWS Certification
4 1 (0.56%) Computer Science Degree
4 1 (0.56%) DV Cleared
4 1 (0.56%) ISEB
4 1 (0.56%) ISTQB
Quality Assurance & Compliance
1 13 (7.22%) QA
2 5 (2.78%) PSD2
3 1 (0.56%) ISO 20022
System Software
1 24 (13.33%) Docker
2 10 (5.56%) Active Directory
3 1 (0.56%) KVM
3 1 (0.56%) OpenAM
3 1 (0.56%) OpenDJ
3 1 (0.56%) VMware Infrastructure
Systems Management
1 15 (8.33%) Ansible
2 11 (6.11%) Puppet
3 7 (3.89%) Kubernetes
4 3 (1.67%) Kibana
4 3 (1.67%) logstash
4 3 (1.67%) Opscode Chef
5 2 (1.11%) Control-M
5 2 (1.11%) ITRS Geneos
5 2 (1.11%) Matomo
5 2 (1.11%) Salt
5 2 (1.11%) Single Sign-On
5 2 (1.11%) Terraform
5 2 (1.11%) WebSphere Service Registry and Repository
6 1 (0.56%) Grafana
6 1 (0.56%) Nagios
6 1 (0.56%) Netcool
6 1 (0.56%) Observium
6 1 (0.56%) Packer
6 1 (0.56%) Prometheus
6 1 (0.56%) SCCM
Vendors
1 18 (10.00%) Oracle
2 16 (8.89%) Microsoft
3 8 (4.44%) Google
4 6 (3.33%) Splunk
5 5 (2.78%) Kony
5 5 (2.78%) New Relic
5 5 (2.78%) Rollbar
6 4 (2.22%) Atlassian
6 4 (2.22%) IBM
7 3 (1.67%) Cisco
7 3 (1.67%) Salesforce.com
8 2 (1.11%) Cadence
8 2 (1.11%) F5
8 2 (1.11%) Juniper
8 2 (1.11%) Pardot
8 2 (1.11%) Solace
8 2 (1.11%) TIBCO
8 2 (1.11%) VMware
9 1 (0.56%) Bomgar
9 1 (0.56%) Tableau