Period
to 19 September 2018

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for JSON skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited JSON over the 6 months to 19 September 2018 with a comparison to the same period in the previous 2 years.

JSON
Central London > City of London
6 months to
19 Sep 2018
Same period 2017 Same period 2016
Rank 159 169 166
Rank change year-on-year +10 -3 -6
Permanent jobs citing JSON 226 179 223
As % of all permanent IT jobs advertised in the City of London 2.05% 1.75% 1.79%
As % of the Libraries, Frameworks & Software Standards category 4.74% 4.45% 4.30%
Number of salaries quoted 200 163 216
City of London median annual salary £67,500 £57,500 £60,000
Median salary % change year-on-year +17.39% -4.17% +9.09%
10th Percentile £38,150 £33,500 £41,250
90th Percentile £90,000 £86,000 £80,625
Central London median annual salary £70,000 £55,000 £57,500
% change year-on-year +27.27% -4.35% +9.52%

JSON is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent 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
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 4,764 4,024 5,184
As % of all permanent IT jobs advertised in the City of London 43.29% 39.40% 41.66%
Number of salaries quoted 4,321 3,610 4,740
City of London median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - +4.35%
10th Percentile £41,250 £40,000 £37,500
90th Percentile £93,750 £90,000 £85,000
Central London median annual salary £65,000 £60,000 £57,500
% change year-on-year +8.33% +4.35% +4.55%

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
Salary Trend in the City of London

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

Salary trend for JSON in the City of London

JSON
Salary Histogram in the City of London

The salary distribution of IT jobs citing JSON in the City of London over the 6 months to 19 September 2018.

Salary histogram for JSON in the City of London

For the 6 months to 19 September 2018, IT 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 permanent job ads across the City of London region with a requirement for JSON.

1 124 (54.87%) JavaScript
1 124 (54.87%) XML
2 106 (46.90%) HTML
3 96 (42.48%) CSS
3 96 (42.48%) Agile Software Development
4 85 (37.61%) .NET
5 84 (37.17%) SQL
5 84 (37.17%) REST
6 83 (36.73%) C#
7 77 (34.07%) Git (software)
8 68 (30.09%) Finance
9 63 (27.88%) Web Services
10 58 (25.66%) SQL Server
11 57 (25.22%) HTML5
11 57 (25.22%) CSS3
12 56 (24.78%) SOAP
13 54 (23.89%) Java
14 51 (22.57%) Linux
15 50 (22.12%) AngularJS
15 50 (22.12%) RESTful
16 49 (21.68%) jQuery
17 48 (21.24%) Microsoft Azure
17 48 (21.24%) User Experience
18 45 (19.91%) OO
18 45 (19.91%) TDD
19 44 (19.47%) Web Development
19 44 (19.47%) Microservices
20 43 (19.03%) DevOps
21 42 (18.58%) MVC
22 41 (18.14%) Oracle

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 20 (8.85%) CMS
2 15 (6.64%) Mule
3 12 (5.31%) Confluence
3 12 (5.31%) SharePoint
4 11 (4.87%) Elasticsearch
4 11 (4.87%) Tomcat
5 8 (3.54%) IIS
6 6 (2.65%) WordPress
7 5 (2.21%) Apache Spark
8 4 (1.77%) Apache
8 4 (1.77%) MS Exchange
9 3 (1.33%) EPiServer
9 3 (1.33%) nginx
9 3 (1.33%) Sitecore CMS
9 3 (1.33%) Umbraco
10 2 (0.88%) Adobe Experience Manager
10 2 (0.88%) IBM Notes
10 2 (0.88%) JBoss
10 2 (0.88%) Oracle SOA Suite
10 2 (0.88%) WebSphere
Applications
1 5 (2.21%) MS Visio
2 4 (1.77%) Microsoft Office
3 3 (1.33%) Microsoft Excel
4 2 (0.88%) Adobe Illustrator
4 2 (0.88%) Photoshop
Business Applications
1 6 (2.65%) Dynamics CRM
2 5 (2.21%) MetaTrader
Cloud Services
1 48 (21.24%) Microsoft Azure
2 29 (12.83%) Amazon AWS
3 22 (9.73%) SaaS
4 18 (7.96%) PaaS
5 15 (6.64%) Boomi
6 12 (5.31%) Amazon EC2
7 11 (4.87%) Cloud Computing
8 10 (4.42%) Amazon S3
9 9 (3.98%) GitHub
9 9 (3.98%) NuGet
10 8 (3.54%) Amazon SQS
10 8 (3.54%) Azure Active Directory
10 8 (3.54%) npm
11 7 (3.10%) IaaS
12 5 (2.21%) Amazon CloudWatch
13 4 (1.77%) OpenShift
14 3 (1.33%) AWS CloudFormation
14 3 (1.33%) AWS OpsWorks
14 3 (1.33%) Serverless
14 3 (1.33%) Yarn
Communications & Networking
1 16 (7.08%) Internet
2 8 (3.54%) Firewall
2 8 (3.54%) VPN
3 6 (2.65%) HTTP
4 5 (2.21%) DNS
4 5 (2.21%) NetScaler
4 5 (2.21%) SMS
5 4 (1.77%) BGP
5 4 (1.77%) SAN
5 4 (1.77%) VLAN
5 4 (1.77%) Wireless
5 4 (1.77%) WLAN
6 2 (0.88%) SSH
7 1 (0.44%) HTTPS
7 1 (0.44%) Multicast
7 1 (0.44%) TCP/IP
Database & Business Intelligence
1 58 (25.66%) SQL Server
2 39 (17.26%) Relational Database
3 37 (16.37%) MySQL
4 22 (9.73%) NoSQL
5 19 (8.41%) SQL Server Reporting Services
6 18 (7.96%) Data Warehouse
7 15 (6.64%) SQL Server 2012
8 14 (6.19%) Big Data
9 13 (5.75%) SQL Server Integration Services
10 12 (5.31%) PostgreSQL
11 9 (3.98%) Amazon RDS
11 9 (3.98%) Oracle Reports
12 6 (2.65%) RDBMS
12 6 (2.65%) Text Mining
13 5 (2.21%) Apache Hive
13 5 (2.21%) Hadoop
13 5 (2.21%) MongoDB
14 4 (1.77%) Azure SQL Database
14 4 (1.77%) OLTP
14 4 (1.77%) SQL Server 2016
Development Applications
1 77 (34.07%) Git (software)
2 23 (10.18%) Visual Studio
3 17 (7.52%) Selenium
4 15 (6.64%) Team Foundation Server
5 14 (6.19%) TeamCity
6 13 (5.75%) JIRA
7 12 (5.31%) gulp
8 11 (4.87%) Grunt
9 10 (4.42%) Jenkins
9 10 (4.42%) Maven
10 9 (3.98%) Ant
10 9 (3.98%) Jasmine
10 9 (3.98%) Subversion
11 7 (3.10%) Gradle
11 7 (3.10%) WebDriver
12 6 (2.65%) Android Studio
12 6 (2.65%) ReSharper
13 5 (2.21%) CA Release Automation
13 5 (2.21%) Fiddler
13 5 (2.21%) NUnit
General
1 68 (30.09%) Finance
2 27 (11.95%) Banking
3 19 (8.41%) Advertising
4 11 (4.87%) Back Office
4 11 (4.87%) Law
4 11 (4.87%) Marketing
5 7 (3.10%) Retail
6 6 (2.65%) Pharmaceutical
7 5 (2.21%) Games
7 5 (2.21%) Legal
8 4 (1.77%) Automotive
8 4 (1.77%) Retail Banking
9 3 (1.33%) Corporate Banking
9 3 (1.33%) Investment Banking
10 2 (0.88%) Publishing
11 1 (0.44%) Financial Institution
11 1 (0.44%) Wholesale Banking
Job Titles
1 125 (55.31%) Developer
2 47 (20.80%) Architect
3 26 (11.50%) Senior Developer
4 25 (11.06%) Solutions Architect
5 24 (10.62%) .NET Developer
6 21 (9.29%) PHP Developer
7 20 (8.85%) Lead Developer
8 18 (7.96%) Front End Developer (Client-Side Developer)
9 16 (7.08%) Integration Architect
10 13 (5.75%) Cloud Architect
10 13 (5.75%) Enterprise Architect
10 13 (5.75%) Enterprise Integration Architect
11 12 (5.31%) .NET Architect
11 12 (5.31%) .NET Solutions Architect
11 12 (5.31%) QA Engineer
12 11 (4.87%) Full Stack Developer
13 10 (4.42%) Applications Developer
13 10 (4.42%) Backend Developer
14 9 (3.98%) C# Developer
14 9 (3.98%) Python Developer
Libraries, Frameworks & Software Standards
1 124 (54.87%) XML
2 106 (46.90%) HTML
3 96 (42.48%) CSS
4 85 (37.61%) .NET
5 84 (37.17%) REST
6 63 (27.88%) Web Services
7 57 (25.22%) CSS3
7 57 (25.22%) HTML5
8 56 (24.78%) SOAP
9 50 (22.12%) AngularJS
9 50 (22.12%) RESTful
10 49 (21.68%) jQuery
11 33 (14.60%) Node.js
12 26 (11.50%) Sass
13 22 (9.73%) Twitter Bootstrap
14 21 (9.29%) React
15 19 (8.41%) .NET Framework
15 19 (8.41%) Laravel
16 18 (7.96%) ASP.NET
16 18 (7.96%) Spring
Miscellaneous
1 48 (21.24%) User Experience
2 20 (8.85%) Analytical Skills
3 16 (7.08%) Fintech
4 14 (6.19%) Fixed Income
5 10 (4.42%) Computer Science
5 10 (4.42%) Public Cloud
6 9 (3.98%) Greenfield Project
6 9 (3.98%) W3C
7 6 (2.65%) Life Science
7 6 (2.65%) Self-Motivation
8 4 (1.77%) Mainframe
9 3 (1.33%) Linux Command Line
9 3 (1.33%) Mobile App
9 3 (1.33%) Mobile Payment
9 3 (1.33%) Reinsurance
9 3 (1.33%) Video on Demand
10 2 (0.88%) Derivative
10 2 (0.88%) Video\Live Streaming
11 1 (0.44%) Animation
11 1 (0.44%) Interest Rate Derivative
Operating Systems
1 51 (22.57%) Linux
2 29 (12.83%) Windows
3 18 (7.96%) Unix
4 8 (3.54%) Windows Server
5 7 (3.10%) CentOS
6 6 (2.65%) Android
7 5 (2.21%) Windows Server 2012
8 3 (1.33%) Red Hat Enterprise Linux
9 1 (0.44%) AIX
9 1 (0.44%) Apple iOS
9 1 (0.44%) HPUX
9 1 (0.44%) Mac OS X
9 1 (0.44%) Solaris
Processes & Methodologies
1 96 (42.48%) Agile Software Development
2 45 (19.91%) OO
2 45 (19.91%) TDD
3 44 (19.47%) Microservices
3 44 (19.47%) Web Development
4 43 (19.03%) DevOps
5 42 (18.58%) MVC
6 40 (17.70%) Problem-Solving
7 36 (15.93%) Scrum
8 29 (12.83%) Front End Development
9 24 (10.62%) API Design
10 22 (9.73%) Unit Testing
11 21 (9.29%) BDD
11 21 (9.29%) Business Intelligence
11 21 (9.29%) SDLC
12 20 (8.85%) Continuous Integration
12 20 (8.85%) Machine Learning
13 18 (7.96%) Test Automation
14 17 (7.52%) Analytics
15 16 (7.08%) Responsive Web Design
Programming Languages
1 124 (54.87%) JavaScript
2 84 (37.17%) SQL
3 83 (36.73%) C#
4 54 (23.89%) Java
5 35 (15.49%) Python
6 34 (15.04%) PHP
7 19 (8.41%) PowerShell
8 13 (5.75%) Shell Script
8 13 (5.75%) T-SQL
9 11 (4.87%) PL/SQL
10 10 (4.42%) Bash Shell
10 10 (4.42%) ES6
10 10 (4.42%) Perl
11 9 (3.98%) TypeScript
12 7 (3.10%) C++
12 7 (3.10%) PHP 7
13 6 (2.65%) Java 8
14 5 (2.21%) Ruby
15 3 (1.33%) Go
15 3 (1.33%) VBA
Qualifications
1 25 (11.06%) Degree
2 6 (2.65%) MCSA
2 6 (2.65%) MCSE
2 6 (2.65%) Microsoft Certification
3 4 (1.77%) AWS Certification
4 1 (0.44%) Computer Science Degree
4 1 (0.44%) ISTQB
Quality Assurance & Compliance
1 33 (14.60%) QA
2 9 (3.98%) WCAG
3 7 (3.10%) MiFID
4 1 (0.44%) Data Quality
System Software
1 9 (3.98%) VMware Infrastructure
2 8 (3.54%) Active Directory
2 8 (3.54%) Docker
2 8 (3.54%) Hyper-V
3 4 (1.77%) Microsoft Virtual Server
3 4 (1.77%) Virtual Machines
3 4 (1.77%) Virtual Servers
Systems Management
1 7 (3.10%) Opscode Chef
2 5 (2.21%) Ansible
2 5 (2.21%) Kibana
2 5 (2.21%) logstash
2 5 (2.21%) Perfmon
3 4 (1.77%) Backup Exec
3 4 (1.77%) Puppet
3 4 (1.77%) Salt
3 4 (1.77%) SCCM
Vendors
1 41 (18.14%) Oracle
2 34 (15.04%) Microsoft
3 26 (11.50%) Apigee
4 20 (8.85%) TIBCO
5 16 (7.08%) Red Hat
6 15 (6.64%) Axway
7 9 (3.98%) VMware
8 8 (3.54%) Citrix
9 6 (2.65%) Remedy
10 5 (2.21%) SolarWinds
11 4 (1.77%) SaltStack
11 4 (1.77%) Sitecore
11 4 (1.77%) Veeam
12 3 (1.33%) Adobe
12 3 (1.33%) Google
12 3 (1.33%) Tableau
13 2 (0.88%) Atlassian
13 2 (0.88%) Capita
13 2 (0.88%) Lotus
14 1 (0.44%) Facebook