Period
to 16 November 2018

The following table provides summary statistics for permanent job vacancies advertised in Central 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 16 November 2018 with a comparison to the same period in the previous 2 years.

JSON
London > Central London
6 months to
16 Nov 2018
Same period 2017 Same period 2016
Rank 152 189 144
Rank change year-on-year +37 -45 -3
Permanent jobs citing JSON 287 234 306
As % of all permanent IT jobs advertised in Central London 2.04% 1.71% 2.12%
As % of the Libraries, Frameworks & Software Standards category 4.78% 4.22% 5.05%
Number of salaries quoted 240 221 292
Central London median annual salary £70,000 £55,000 £57,500
Median salary % change year-on-year +27.27% -4.35% +4.55%
10th Percentile £38,700 £37,500 £36,250
90th Percentile £91,250 £87,500 £79,875
London median annual salary £65,000 £57,500 £60,000
% change year-on-year +13.04% -4.17% +9.09%

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

All Software Libraries and Frameworks
Central London
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 6,007 5,547 6,062
As % of all permanent IT jobs advertised in Central London 42.64% 40.46% 41.94%
Number of salaries quoted 5,487 4,964 5,607
Central London median annual salary £65,000 £60,000 £57,500
Median salary % change year-on-year +8.33% +4.35% -
10th Percentile £41,250 £38,500 £37,500
90th Percentile £92,500 £90,000 £85,500
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 Central London

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

Job vacancy trend for JSON in Central London

JSON
Salary Trend in Central London

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

Salary trend for JSON in Central London

JSON
Salary Histogram in Central London

The salary distribution of IT jobs citing JSON in Central London over the 6 months to 16 November 2018.

Salary histogram for JSON in Central London

JSON
Job Locations in Central London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JSON within the Central London region over the 6 months to 16 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +31 227 £70,000 +21.74% 46
City of Westminster +12 16 £80,000 +88.24%
West End of London -10 13 £30,000 -47.83% 9
Southwark +74 8 - -
Camden +9 4 - -
Kensington and Chelsea -2 2 - -
Lambeth - 1 £37,500 -
JSON
London

For the 6 months to 16 November 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 Central London region with a requirement for JSON.

1 159 (55.40%) HTML
1 159 (55.40%) JavaScript
2 151 (52.61%) XML
3 137 (47.74%) Agile Software Development
4 128 (44.60%) CSS
5 109 (37.98%) REST
6 106 (36.93%) SQL
7 103 (35.89%) C#
8 94 (32.75%) .NET
9 88 (30.66%) Git (software)
10 87 (30.31%) Java
11 78 (27.18%) Web Services
12 77 (26.83%) Finance
13 72 (25.09%) Microsoft Azure
14 71 (24.74%) HTML5
15 70 (24.39%) Scrum
15 70 (24.39%) SOAP
16 68 (23.69%) TDD
17 66 (23.00%) SQL Server
18 64 (22.30%) CSS3
19 61 (21.25%) RESTful
20 59 (20.56%) jQuery
21 58 (20.21%) Linux
22 57 (19.86%) AngularJS
22 57 (19.86%) DevOps
23 55 (19.16%) Web Development
24 52 (18.12%) Oracle
25 50 (17.42%) Python
26 49 (17.07%) Relational Database
27 46 (16.03%) Microservices

JSON
Co-occurring IT Skills in Central 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 29 (10.10%) CMS
2 27 (9.41%) Mule
3 23 (8.01%) SharePoint
4 19 (6.62%) Confluence
5 12 (4.18%) Tomcat
6 10 (3.48%) Elasticsearch
7 8 (2.79%) Apache
7 8 (2.79%) WebSphere
8 7 (2.44%) WordPress
9 6 (2.09%) Cloud Foundry
10 5 (1.74%) Apache Spark
10 5 (1.74%) Apache TomEE
10 5 (1.74%) JBoss
11 4 (1.39%) Adobe Experience Manager
11 4 (1.39%) EPiServer
11 4 (1.39%) IIS
11 4 (1.39%) MS Exchange
11 4 (1.39%) Oracle SOA Suite
11 4 (1.39%) Sitecore CMS
11 4 (1.39%) Umbraco
Applications
1 5 (1.74%) Microsoft Excel
1 5 (1.74%) Microsoft Office
2 1 (0.35%) Adobe Illustrator
2 1 (0.35%) MS Visio
2 1 (0.35%) Photoshop
Business Applications
1 9 (3.14%) Dynamics CRM
2 2 (0.70%) Dynamics AX
2 2 (0.70%) NetSuite
2 2 (0.70%) ScheduALL
3 1 (0.35%) Payment Gateway
3 1 (0.35%) Salesforce.com CRM
Cloud Services
1 72 (25.09%) Microsoft Azure
2 42 (14.63%) Amazon AWS
3 35 (12.20%) SaaS
4 34 (11.85%) PaaS
5 33 (11.50%) GitHub
6 25 (8.71%) Apigee
7 21 (7.32%) Boomi
8 15 (5.23%) IaaS
9 14 (4.88%) npm
10 12 (4.18%) Amazon EC2
11 10 (3.48%) Azure Active Directory
12 9 (3.14%) Amazon S3
12 9 (3.14%) Cloud Computing
13 7 (2.44%) Amazon SQS
13 7 (2.44%) Slack
14 6 (2.09%) Azure Data Factory
15 5 (1.74%) NuGet
15 5 (1.74%) OpenShift
15 5 (1.74%) Serverless
16 4 (1.39%) Amazon CloudWatch
Communications & Networking
1 12 (4.18%) HTTP
2 11 (3.83%) Firewall
3 10 (3.48%) VPN
4 6 (2.09%) VLAN
5 5 (1.74%) Internet
6 4 (1.39%) BGP
6 4 (1.39%) HTTPS
6 4 (1.39%) SAN
6 4 (1.39%) Wireless
6 4 (1.39%) WLAN
7 2 (0.70%) DNS
7 2 (0.70%) DSL
7 2 (0.70%) Network Security
7 2 (0.70%) SMS
7 2 (0.70%) SSH
8 1 (0.35%) AMQP
8 1 (0.35%) ICMP
8 1 (0.35%) Multicast
8 1 (0.35%) SSL
8 1 (0.35%) TCP/IP
Database & Business Intelligence
1 66 (23.00%) SQL Server
2 49 (17.07%) Relational Database
3 40 (13.94%) MySQL
4 26 (9.06%) Data Warehouse
5 20 (6.97%) SQL Server Reporting Services
6 19 (6.62%) NoSQL
7 18 (6.27%) SQL Server Integration Services
8 14 (4.88%) PostgreSQL
9 12 (4.18%) Azure SQL Database
10 11 (3.83%) Oracle Reports
11 10 (3.48%) Big Data
12 8 (2.79%) Amazon RDS
12 8 (2.79%) MongoDB
12 8 (2.79%) RDBMS
13 7 (2.44%) SQL Server 2012
13 7 (2.44%) SQL Server Analysis Services
14 6 (2.09%) Hadoop
14 6 (2.09%) Text Mining
15 5 (1.74%) Apache Hive
15 5 (1.74%) Microsoft Analysis Services
Development Applications
1 88 (30.66%) Git (software)
2 39 (13.59%) Selenium
3 25 (8.71%) Visual Studio
4 24 (8.36%) JIRA
5 23 (8.01%) Jenkins
6 18 (6.27%) JUnit
6 18 (6.27%) Maven
7 16 (5.57%) Cucumber
7 16 (5.57%) gulp
7 16 (5.57%) WebDriver
8 15 (5.23%) Grunt
9 14 (4.88%) Gradle
9 14 (4.88%) Subversion
10 11 (3.83%) Ant
10 11 (3.83%) Team Foundation Server
10 11 (3.83%) Visual Studio Team System
11 10 (3.48%) TeamCity
12 9 (3.14%) NUnit
13 8 (2.79%) Jasmine
13 8 (2.79%) Mockito
General
1 77 (26.83%) Finance
2 33 (11.50%) Banking
3 19 (6.62%) Advertising
4 17 (5.92%) Marketing
5 13 (4.53%) Law
6 11 (3.83%) Back Office
7 9 (3.14%) Automotive
8 6 (2.09%) Games
8 6 (2.09%) Pharmaceutical
8 6 (2.09%) Publishing
8 6 (2.09%) Retail
9 4 (1.39%) Legal
10 3 (1.05%) Corporate Banking
10 3 (1.05%) Investment Banking
11 2 (0.70%) Front Office
12 1 (0.35%) Financial Institution
12 1 (0.35%) German Language
12 1 (0.35%) Wholesale Banking
Job Titles
1 161 (56.10%) Developer
2 57 (19.86%) Architect
3 38 (13.24%) Senior Developer
4 33 (11.50%) Solutions Architect
5 23 (8.01%) .NET Developer
6 22 (7.67%) Lead Developer
7 21 (7.32%) Front End Developer (Client-Side Developer)
8 19 (6.62%) .NET Architect
8 19 (6.62%) .NET Solutions Architect
8 19 (6.62%) Integration Architect
8 19 (6.62%) PHP Developer
9 17 (5.92%) C# Developer
10 15 (5.23%) Enterprise Architect
10 15 (5.23%) Java Developer
11 14 (4.88%) Cloud Architect
11 14 (4.88%) SQL Developer
12 13 (4.53%) Enterprise Integration Architect
12 13 (4.53%) Support Engineer
13 11 (3.83%) Applications Developer
13 11 (3.83%) QA Engineer
Libraries, Frameworks & Software Standards
1 159 (55.40%) HTML
2 151 (52.61%) XML
3 128 (44.60%) CSS
4 109 (37.98%) REST
5 94 (32.75%) .NET
6 78 (27.18%) Web Services
7 71 (24.74%) HTML5
8 70 (24.39%) SOAP
9 64 (22.30%) CSS3
10 61 (21.25%) RESTful
11 59 (20.56%) jQuery
12 57 (19.86%) AngularJS
13 40 (13.94%) Node.js
14 35 (12.20%) React
15 33 (11.50%) Spring
15 33 (11.50%) Twitter Bootstrap
16 23 (8.01%) .NET Framework
17 20 (6.97%) Sass
18 18 (6.27%) Vue.js
19 17 (5.92%) ASP.NET Web API
Miscellaneous
1 44 (15.33%) User Experience
2 19 (6.62%) Greenfield Project
3 15 (5.23%) Mobile App
4 13 (4.53%) Fintech
5 12 (4.18%) Analytical Skills
5 12 (4.18%) Computer Science
6 10 (3.48%) Fixed Income
7 8 (2.79%) Enterprise Software
7 8 (2.79%) Hedge funds
7 8 (2.79%) Public Cloud
8 6 (2.09%) Life Science
8 6 (2.09%) Self-Motivation
8 6 (2.09%) W3C
9 5 (1.74%) Data Structures
9 5 (1.74%) Mobile Payment
10 3 (1.05%) Client/Server
10 3 (1.05%) Derivative
10 3 (1.05%) Foreign Exchange (FX)
10 3 (1.05%) Linux Command Line
10 3 (1.05%) Video on Demand
Operating Systems
1 58 (20.21%) Linux
2 40 (13.94%) Windows
3 23 (8.01%) Unix
4 14 (4.88%) Android
4 14 (4.88%) Mac OS X
5 13 (4.53%) AIX
5 13 (4.53%) HPUX
5 13 (4.53%) Solaris
6 11 (3.83%) Windows Server
7 10 (3.48%) Apple iOS
8 5 (1.74%) Red Hat Enterprise Linux
9 2 (0.70%) Windows Phone
Processes & Methodologies
1 137 (47.74%) Agile Software Development
2 70 (24.39%) Scrum
3 68 (23.69%) TDD
4 57 (19.86%) DevOps
5 55 (19.16%) Web Development
6 46 (16.03%) Microservices
7 42 (14.63%) OO
8 41 (14.29%) BDD
8 41 (14.29%) Business Intelligence
9 40 (13.94%) SDLC
10 38 (13.24%) Test Automation
11 37 (12.89%) Continuous Integration
11 37 (12.89%) MVC
12 34 (11.85%) Analytics
12 34 (11.85%) API Design
13 32 (11.15%) Problem-Solving
14 31 (10.80%) Machine Learning
15 29 (10.10%) Front End Development
16 25 (8.71%) Waterfall
17 22 (7.67%) Artificial Intelligence
Programming Languages
1 159 (55.40%) JavaScript
2 106 (36.93%) SQL
3 103 (35.89%) C#
4 87 (30.31%) Java
5 50 (17.42%) Python
6 34 (11.85%) PHP
7 26 (9.06%) PowerShell
8 19 (6.62%) Perl
8 19 (6.62%) Shell Script
9 17 (5.92%) C++
9 17 (5.92%) ES6
10 15 (5.23%) Ruby
11 12 (4.18%) Java 8
12 11 (3.83%) PHP 7
12 11 (3.83%) PL/SQL
13 10 (3.48%) T-SQL
13 10 (3.48%) TypeScript
14 9 (3.14%) Bash Shell
15 8 (2.79%) Kotlin
16 3 (1.05%) Apple Swift
Qualifications
1 25 (8.71%) Degree
2 7 (2.44%) MCSA
2 7 (2.44%) MCSE
2 7 (2.44%) Microsoft Certification
3 6 (2.09%) Computer Science Degree
4 5 (1.74%) AWS Certification
5 2 (0.70%) SC Cleared
5 2 (0.70%) Security Cleared
6 1 (0.35%) PhD
6 1 (0.35%) RHCE
Quality Assurance & Compliance
1 32 (11.15%) QA
2 7 (2.44%) MiFID
3 6 (2.09%) WCAG
4 2 (0.70%) PMO
5 1 (0.35%) Data Quality
5 1 (0.35%) PCI DSS
System Software
1 11 (3.83%) Active Directory
2 10 (3.48%) Docker
3 9 (3.14%) Hyper-V
4 5 (1.74%) VMware Infrastructure
5 4 (1.39%) Microsoft Virtual Server
5 4 (1.39%) Virtual Machines
5 4 (1.39%) Virtual Servers
6 1 (0.35%) XenServer
Systems Management
1 8 (2.79%) Opscode Chef
2 6 (2.09%) Ansible
2 6 (2.09%) Puppet
3 4 (1.39%) Backup Exec
3 4 (1.39%) Salt
3 4 (1.39%) SCCM
4 1 (0.35%) Docker Swarm
4 1 (0.35%) HP ALM
4 1 (0.35%) Kubernetes
4 1 (0.35%) Suricata
4 1 (0.35%) Terraform
Vendors
1 52 (18.12%) Oracle
2 46 (16.03%) Microsoft
3 26 (9.06%) Red Hat
4 22 (7.67%) TIBCO
5 21 (7.32%) Axway
6 15 (5.23%) Splunk
7 10 (3.48%) Remedy
8 8 (2.79%) Citrix
9 6 (2.09%) Adobe
9 6 (2.09%) AppDynamics
10 5 (1.74%) Sitecore
10 5 (1.74%) VMware
11 4 (1.39%) Google
11 4 (1.39%) HP
11 4 (1.39%) SaltStack
11 4 (1.39%) Veeam
12 3 (1.05%) Atlassian
12 3 (1.05%) Twitter
13 2 (0.70%) JD Edwards
13 2 (0.70%) TippingPoint