Period
to 23 January 2019

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 23 January 2019 with a comparison to the same period in the previous 2 years.

JSON
London > Central London
6 months to
23 Jan 2019
Same period 2018 Same period 2017
Rank 163 171 140
Rank change year-on-year +8 -31 -6
Permanent jobs citing JSON 246 273 284
As % of all permanent IT jobs advertised in Central London 1.89% 1.87% 2.22%
As % of the Libraries, Frameworks & Software Standards category 4.43% 4.51% 5.45%
Number of salaries quoted 207 242 271
Central London median annual salary £75,000 £59,500 £57,500
Median salary % change year-on-year +26.05% +3.48% +4.55%
10th Percentile £48,450 £42,500 £36,250
90th Percentile £95,000 £90,000 £80,000
London median annual salary £62,500 £60,000 £60,000
% change year-on-year +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 5,559 6,057 5,215
As % of all permanent IT jobs advertised in Central London 42.76% 41.38% 40.68%
Number of salaries quoted 5,072 5,364 4,829
Central London median annual salary £65,000 £60,000 £57,604
Median salary % change year-on-year +8.33% +4.16% +0.18%
10th Percentile £41,250 £38,500 £37,500
90th Percentile £92,175 £90,000 £87,500
London median annual salary £65,000 £60,000 £60,000
% change year-on-year +8.33% - +9.09%

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 23 January 2019.

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 23 January 2019. 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 -3 194 £72,500 +20.83% 51
City of Westminster +12 16 £80,000 +88.24%
West End of London +9 7 £30,000 -38.46%
Southwark +85 6 - -
Kensington and Chelsea - 4 - -
Camden -1 3 - -
Lambeth - 1 £37,500 -
JSON
London

For the 6 months to 23 January 2019, 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.

1 131 (53.25%) JavaScript
2 121 (49.19%) HTML
2 121 (49.19%) XML
3 118 (47.97%) Agile Software Development
4 107 (43.50%) C#
5 102 (41.46%) REST
6 98 (39.84%) SQL
7 97 (39.43%) CSS
8 96 (39.02%) .NET
9 77 (31.30%) Finance
10 75 (30.49%) SQL Server
11 72 (29.27%) Web Services
12 70 (28.46%) Java
13 65 (26.42%) SOAP
14 62 (25.20%) Scrum
14 62 (25.20%) Git (software)
15 59 (23.98%) Microsoft Azure
16 54 (21.95%) Microsoft
16 54 (21.95%) RESTful
17 53 (21.54%) jQuery
18 51 (20.73%) TDD
19 50 (20.33%) DevOps
19 50 (20.33%) SDLC
20 48 (19.51%) Web Development
21 47 (19.11%) HTML5
22 45 (18.29%) AngularJS
23 44 (17.89%) Oracle
24 41 (16.67%) Twitter Bootstrap
25 40 (16.26%) Analytics
25 40 (16.26%) CSS3

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 24 (9.76%) Mule
2 23 (9.35%) CMS
3 16 (6.50%) SharePoint
4 14 (5.69%) Confluence
5 10 (4.07%) Elasticsearch
5 10 (4.07%) WebSphere
6 9 (3.66%) Tomcat
7 7 (2.85%) Apache TomEE
7 7 (2.85%) IIS
7 7 (2.85%) JBoss
8 6 (2.44%) Cloud Foundry
9 4 (1.63%) Adobe Experience Manager
10 3 (1.22%) BizTalk Server
10 3 (1.22%) Oracle SOA Suite
10 3 (1.22%) WebLogic
10 3 (1.22%) WordPress
11 2 (0.81%) Apache
11 2 (0.81%) EPiServer
11 2 (0.81%) IBM Notes
11 2 (0.81%) Sitecore CMS
Applications
1 6 (2.44%) Microsoft Office
2 3 (1.22%) Microsoft Excel
3 1 (0.41%) Adobe Illustrator
3 1 (0.41%) Photoshop
Business Applications
1 11 (4.47%) Dynamics CRM
2 2 (0.81%) ScheduALL
3 1 (0.41%) Dynamics AX
3 1 (0.41%) Eagle PACE
3 1 (0.41%) Magento
3 1 (0.41%) Markit EDM
3 1 (0.41%) NetSuite
3 1 (0.41%) Payment Gateway
3 1 (0.41%) Salesforce.com CRM
Cloud Services
1 59 (23.98%) Microsoft Azure
2 29 (11.79%) PaaS
3 28 (11.38%) GitHub
4 25 (10.16%) SaaS
5 22 (8.94%) Amazon AWS
6 18 (7.32%) Apigee
6 18 (7.32%) Boomi
7 15 (6.10%) npm
8 11 (4.47%) IaaS
9 7 (2.85%) Slack
10 6 (2.44%) Azure Data Factory
10 6 (2.44%) OpenShift
11 5 (2.03%) NuGet
12 4 (1.63%) Azure Active Directory
12 4 (1.63%) Azure Machine Learning
13 3 (1.22%) Serverless
14 2 (0.81%) Azure Functions
14 2 (0.81%) Data Lake Analytics
14 2 (0.81%) Dynamics 365
14 2 (0.81%) Sauce Labs
Communications & Networking
1 10 (4.07%) HTTP
2 7 (2.85%) Firewall
3 6 (2.44%) Network Security
3 6 (2.44%) VPN
4 4 (1.63%) HTTPS
4 4 (1.63%) VLAN
5 2 (0.81%) BGP
5 2 (0.81%) Cisco ASA
5 2 (0.81%) Cisco Nexus
5 2 (0.81%) Cisco Wireless
5 2 (0.81%) DNS
5 2 (0.81%) DSL
5 2 (0.81%) F5 BIG-IP GTM
5 2 (0.81%) F5 BIG-IP LTM
5 2 (0.81%) OSPF
5 2 (0.81%) SSH
5 2 (0.81%) TCP/IP
5 2 (0.81%) VXLAN
5 2 (0.81%) Wireless
5 2 (0.81%) Wireshark
Database & Business Intelligence
1 75 (30.49%) SQL Server
2 32 (13.01%) Relational Database
3 31 (12.60%) SQL Server Integration Services
4 28 (11.38%) MySQL
5 26 (10.57%) Data Warehouse
5 26 (10.57%) SQL Server Reporting Services
6 14 (5.69%) Data Lake
7 10 (4.07%) Azure SQL Database
7 10 (4.07%) PostgreSQL
8 9 (3.66%) Oracle Reports
9 8 (3.25%) SQL Server Analysis Services
10 7 (2.85%) NoSQL
10 7 (2.85%) Power BI
10 7 (2.85%) RDBMS
11 5 (2.03%) Microsoft Analysis Services
11 5 (2.03%) MongoDB
11 5 (2.03%) SQL Server 2012
12 4 (1.63%) Cosmos DB
12 4 (1.63%) Data Mining
12 4 (1.63%) Redis
Development Applications
1 62 (25.20%) Git (software)
2 34 (13.82%) Selenium
3 29 (11.79%) Visual Studio
4 24 (9.76%) Maven
5 22 (8.94%) JIRA
6 20 (8.13%) Jenkins
7 18 (7.32%) Gradle
7 18 (7.32%) JUnit
8 16 (6.50%) Ant
8 16 (6.50%) Subversion
9 14 (5.69%) TeamCity
9 14 (5.69%) Visual Studio Team System
10 12 (4.88%) Cucumber
10 12 (4.88%) gulp
10 12 (4.88%) Team Foundation Server
11 11 (4.47%) Grunt
12 10 (4.07%) Babel
12 10 (4.07%) Mockito
12 10 (4.07%) NUnit
12 10 (4.07%) WebDriver
General
1 77 (31.30%) Finance
2 33 (13.41%) Banking
3 16 (6.50%) Advertising
4 13 (5.28%) Marketing
5 10 (4.07%) Law
6 9 (3.66%) Back Office
7 7 (2.85%) Automotive
8 6 (2.44%) Games
8 6 (2.44%) Retail
9 4 (1.63%) Legal
10 3 (1.22%) Corporate Banking
10 3 (1.22%) Publishing
11 2 (0.81%) Front Office
11 2 (0.81%) Investment Banking
11 2 (0.81%) Pharmaceutical
12 1 (0.41%) Financial Institution
Job Titles
1 137 (55.69%) Developer
2 59 (23.98%) Architect
3 34 (13.82%) Senior Developer
4 33 (13.41%) Solutions Architect
5 26 (10.57%) .NET Developer
6 25 (10.16%) Lead Developer
7 22 (8.94%) C# Developer
8 21 (8.54%) .NET Architect
8 21 (8.54%) .NET Solutions Architect
9 20 (8.13%) Java Developer
10 17 (6.91%) Applications Developer
10 17 (6.91%) Integration Architect
11 16 (6.50%) SQL Developer
12 15 (6.10%) C# .NET Developer
12 15 (6.10%) PHP Developer
12 15 (6.10%) Senior Java Developer
13 12 (4.88%) C# Application Developer
13 12 (4.88%) Enterprise Architect
13 12 (4.88%) Integration Developer
14 11 (4.47%) .NET Applications Developer
Libraries, Frameworks & Software Standards
1 121 (49.19%) HTML
1 121 (49.19%) XML
2 102 (41.46%) REST
3 97 (39.43%) CSS
4 96 (39.02%) .NET
5 72 (29.27%) Web Services
6 65 (26.42%) SOAP
7 54 (21.95%) RESTful
8 53 (21.54%) jQuery
9 47 (19.11%) HTML5
10 45 (18.29%) AngularJS
11 41 (16.67%) Twitter Bootstrap
12 40 (16.26%) CSS3
13 38 (15.45%) Spring
14 27 (10.98%) React
15 23 (9.35%) .NET Framework
15 23 (9.35%) ASP.NET
16 21 (8.54%) Node.js
17 18 (7.32%) ASP.NET Web API
18 17 (6.91%) Vue.js
Miscellaneous
1 25 (10.16%) User Experience
2 17 (6.91%) Greenfield Project
3 12 (4.88%) Mobile App
4 11 (4.47%) Hedge funds
5 10 (4.07%) Data Structures
6 8 (3.25%) Enterprise Software
7 7 (2.85%) Analytical Skills
8 6 (2.44%) Self-Motivation
9 5 (2.03%) Fintech
9 5 (2.03%) Fixed Income
10 4 (1.63%) Algorithms
10 4 (1.63%) Client/Server
10 4 (1.63%) Data Centre
11 3 (1.22%) Mobile Payment
11 3 (1.22%) Over-the-Top Content
11 3 (1.22%) Video on Demand
12 2 (0.81%) Foreign Exchange (FX)
12 2 (0.81%) Interest Rate Derivative
12 2 (0.81%) Life Science
12 2 (0.81%) Reference Data
Operating Systems
1 38 (15.45%) Linux
2 27 (10.98%) Windows
3 9 (3.66%) Android
3 9 (3.66%) Apple iOS
3 9 (3.66%) Unix
4 7 (2.85%) Mac OS X
5 6 (2.44%) AIX
5 6 (2.44%) HPUX
5 6 (2.44%) Solaris
6 5 (2.03%) Windows Server
7 2 (0.81%) Red Hat Enterprise Linux
8 1 (0.41%) Windows 10
Processes & Methodologies
1 118 (47.97%) Agile Software Development
2 62 (25.20%) Scrum
3 51 (20.73%) TDD
4 50 (20.33%) DevOps
4 50 (20.33%) SDLC
5 48 (19.51%) Web Development
6 40 (16.26%) Analytics
7 38 (15.45%) Business Intelligence
8 37 (15.04%) Continuous Integration
8 37 (15.04%) MVC
9 36 (14.63%) Microservices
10 32 (13.01%) API Design
10 32 (13.01%) BDD
11 29 (11.79%) Machine Learning
12 26 (10.57%) Test Automation
13 25 (10.16%) E-Commerce
13 25 (10.16%) OO
14 24 (9.76%) Artificial Intelligence
14 24 (9.76%) Waterfall
15 21 (8.54%) Software Engineering
Programming Languages
1 131 (53.25%) JavaScript
2 107 (43.50%) C#
3 98 (39.84%) SQL
4 70 (28.46%) Java
5 29 (11.79%) Python
6 20 (8.13%) PowerShell
7 19 (7.72%) PHP
8 13 (5.28%) ES6
9 11 (4.47%) PL/SQL
10 10 (4.07%) Java 8
10 10 (4.07%) PHP 7
11 9 (3.66%) Perl
12 8 (3.25%) C++
12 8 (3.25%) T-SQL
13 7 (2.85%) Shell Script
14 6 (2.44%) Apple Swift
14 6 (2.44%) Kotlin
14 6 (2.44%) VB.NET
15 5 (2.03%) Ruby
16 4 (1.63%) Objective-C
Qualifications
1 9 (3.66%) Degree
2 4 (1.63%) Computer Science Degree
3 2 (0.81%) CCIE
3 2 (0.81%) Cisco Certification
3 2 (0.81%) MCSA
3 2 (0.81%) MCSE
3 2 (0.81%) Microsoft Certification
3 2 (0.81%) SC Cleared
3 2 (0.81%) Security Cleared
4 1 (0.41%) AWS Certification
4 1 (0.41%) PhD
Quality Assurance & Compliance
1 15 (6.10%) QA
2 7 (2.85%) MiFID
3 4 (1.63%) PMO
4 3 (1.22%) Data Quality
5 1 (0.41%) ISO 20022
5 1 (0.41%) WCAG
System Software
1 10 (4.07%) Docker
2 5 (2.03%) Active Directory
3 1 (0.41%) Hyper-V
3 1 (0.41%) VMware Infrastructure
3 1 (0.41%) XenServer
Systems Management
1 4 (1.63%) Ansible
2 3 (1.22%) Opscode Chef
3 2 (0.81%) Docker Swarm
3 2 (0.81%) Kubernetes
3 2 (0.81%) Puppet
4 1 (0.41%) HP ALM
4 1 (0.41%) Kibana
4 1 (0.41%) SCCM
4 1 (0.41%) Suricata
4 1 (0.41%) Terraform
Vendors
1 54 (21.95%) Microsoft
2 44 (17.89%) Oracle
3 22 (8.94%) Red Hat
4 20 (8.13%) TIBCO
5 18 (7.32%) Axway
6 14 (5.69%) Splunk
7 10 (4.07%) Remedy
8 6 (2.44%) AppDynamics
9 5 (2.03%) Adobe
9 5 (2.03%) iManage
9 5 (2.03%) Intapp
10 4 (1.63%) Sitecore
11 3 (1.22%) Atlassian
12 2 (0.81%) F5
12 2 (0.81%) Fortinet
12 2 (0.81%) HP
12 2 (0.81%) Riverbed
12 2 (0.81%) SolarWinds
12 2 (0.81%) TippingPoint
12 2 (0.81%) Zend