Period
to 21 November 2019

The following table provides summary statistics for permanent job vacancies advertised in 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 21 November 2019 with a comparison to the same period in the previous 2 years.

JSON
England > London
6 months to
21 Nov 2019
Same period 2018 Same period 2017
Rank 194 183 188
Rank change year-on-year -11 +5 -38
Permanent jobs citing JSON 991 1,293 1,472
As % of all permanent IT jobs advertised in London 1.82% 1.92% 1.95%
As % of the Libraries, Frameworks & Software Standards category 4.58% 4.69% 5.00%
Number of salaries quoted 746 1,018 1,172
London median annual salary £65,000 £65,000 £57,750
Median salary % change year-on-year - +12.55% -3.75%
10th Percentile £41,250 £40,875 £40,000
90th Percentile £95,000 £90,000 £83,750
England median annual salary £52,500 £52,500 £47,500
% change year-on-year - +10.53% -5.00%

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

All Software Libraries and Frameworks
London
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 21,661 27,558 29,451
As % of all permanent IT jobs advertised in London 39.80% 40.91% 38.94%
Number of salaries quoted 18,078 22,684 24,006
London median annual salary £69,500 £65,000 £60,000
Median salary % change year-on-year +6.92% +8.33% +4.35%
10th Percentile £41,250 £37,500 £36,500
90th Percentile £101,250 £95,000 £90,000
England median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% +5.26%

JSON
Job Vacancy Trend in London

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

Job vacancy trend for JSON in London

JSON
Salary Trend in London

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

Salary trend for JSON in London

JSON
Salary Histogram in London

The salary distribution of IT jobs citing JSON in London over the 6 months to 21 November 2019.

Salary histogram for JSON in London

JSON
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JSON within the London region over the 6 months to 21 November 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
Central London -26 204 £70,000 - 48
West London +21 53 £57,500 +4.55% 21
South London -22 33 £47,500 -5.00% 14
East London +7 16 £49,971 -7.03% 15
North London -8 2 £55,000 +22.22% 1
JSON
England

For the 6 months to 21 November 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 London region with a requirement for JSON.

1 537 (54.19%) Agile Software Development
2 484 (48.84%) JavaScript
3 441 (44.50%) REST
4 386 (38.95%) XML
5 351 (35.42%) Java
6 340 (34.31%) SQL
7 335 (33.80%) HTML
8 326 (32.90%) Git (software)
9 316 (31.89%) CSS
10 298 (30.07%) Finance
11 265 (26.74%) C#
12 264 (26.64%) Scrum
13 259 (26.14%) .NET
14 252 (25.43%) DevOps
15 210 (21.19%) Microservices
16 208 (20.99%) AWS
17 206 (20.79%) Web Services
18 198 (19.98%) SOAP
19 193 (19.48%) SQL Server
20 191 (19.27%) Test Automation
21 186 (18.77%) Docker
21 186 (18.77%) Python
22 183 (18.47%) jQuery
23 172 (17.36%) Azure
24 171 (17.26%) JIRA
25 169 (17.05%) RESTful
26 159 (16.04%) TDD
27 155 (15.64%) Jenkins
28 146 (14.73%) MVC
29 143 (14.43%) React

JSON
Co-occurring 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 84 (8.48%) Confluence
2 61 (6.16%) Apache Spark
3 49 (4.94%) Apache
4 48 (4.84%) CMS
5 46 (4.64%) IIS
6 31 (3.13%) Cloud Foundry
7 28 (2.83%) Tomcat
8 23 (2.32%) Elasticsearch
8 23 (2.32%) EPiServer
8 23 (2.32%) SharePoint
9 21 (2.12%) WordPress
10 16 (1.61%) Mule
11 14 (1.41%) GeoServer
12 13 (1.31%) Anypoint
12 13 (1.31%) nginx
13 12 (1.21%) JBoss
14 11 (1.11%) Umbraco
15 8 (0.81%) Apache Solr
16 7 (0.71%) WebSphere
17 6 (0.61%) Drupal
Applications
1 14 (1.41%) Microsoft Excel
2 12 (1.21%) Microsoft Office
3 5 (0.50%) Photoshop
4 4 (0.40%) Microsoft Project
4 4 (0.40%) MS Visio
5 3 (0.30%) Adobe Illustrator
6 1 (0.10%) InDesign
6 1 (0.10%) Microsoft PowerPoint
Business Applications
1 26 (2.62%) Magento
2 22 (2.22%) NetSuite
3 18 (1.82%) Dynamics CRM
4 6 (0.61%) Shopify
5 4 (0.40%) Sparx Enterprise Architect
6 2 (0.20%) Eikon
6 2 (0.20%) SAP Business One
7 1 (0.10%) Distributed Ledger
7 1 (0.10%) Payment Gateway
7 1 (0.10%) R3 Corda
7 1 (0.10%) Salesforce.com CRM
Cloud Services
1 208 (20.99%) AWS
2 172 (17.36%) Azure
3 76 (7.67%) GitHub
4 71 (7.16%) SaaS
5 70 (7.06%) Serverless
6 58 (5.85%) AWS Lambda
7 47 (4.74%) PaaS
8 46 (4.64%) Amazon EC2
8 46 (4.64%) IaaS
9 37 (3.73%) OpenShift
10 35 (3.53%) GCP
11 28 (2.83%) Amazon Kinesis
12 21 (2.12%) AWS CloudFormation
13 19 (1.92%) Adobe Analytics
13 19 (1.92%) Google Analytics
14 15 (1.51%) npm
15 14 (1.41%) Amazon S3
15 14 (1.41%) Office 365
16 13 (1.31%) CloudBees
16 13 (1.31%) Power Platform
Communications & Networking
1 73 (7.37%) HTTP
2 52 (5.25%) Internet
3 21 (2.12%) TCP/IP
4 16 (1.61%) Firewall
5 9 (0.91%) HTTPS
6 7 (0.71%) AMQP
6 7 (0.71%) Intranet
6 7 (0.71%) VPN
7 6 (0.61%) DNS
8 4 (0.40%) SSH
8 4 (0.40%) WAN
9 3 (0.30%) Cisco ASA
9 3 (0.30%) Skype
9 3 (0.30%) SSL
10 2 (0.20%) SMTP
10 2 (0.20%) Wireshark
10 2 (0.20%) X.509
11 1 (0.10%) Cisco IOS
11 1 (0.10%) VLAN
11 1 (0.10%) VPLS
Database & Business Intelligence
1 193 (19.48%) SQL Server
2 99 (9.99%) Relational Database
3 90 (9.08%) PostgreSQL
4 74 (7.47%) MySQL
5 67 (6.76%) MongoDB
6 64 (6.46%) NoSQL
7 49 (4.94%) Amazon RDS
8 44 (4.44%) SQL Server Integration Services
9 42 (4.24%) Big Data
10 38 (3.83%) Apache Cassandra
11 34 (3.43%) SQL Server 2012
12 32 (3.23%) Data Warehouse
12 32 (3.23%) Redis
13 30 (3.03%) Hadoop
14 29 (2.93%) RDBMS
15 20 (2.02%) SQL Server Reporting Services
16 19 (1.92%) SQL Server 2008
17 16 (1.61%) GIS
18 14 (1.41%) Cosmos DB
19 12 (1.21%) Flink
Development Applications
1 326 (32.90%) Git (software)
2 171 (17.26%) JIRA
3 155 (15.64%) Jenkins
4 74 (7.47%) Selenium
5 66 (6.66%) Visual Studio
6 64 (6.46%) Atlassian Bamboo
7 62 (6.26%) Bitbucket
8 61 (6.16%) Maven
9 60 (6.05%) Cucumber
10 57 (5.75%) JUnit
11 48 (4.84%) TeamCity
12 47 (4.74%) Subversion
13 44 (4.44%) Team Foundation Server
14 36 (3.63%) NUnit
15 30 (3.03%) Bitbucket Server
15 30 (3.03%) JMeter
16 29 (2.93%) GitLab
17 27 (2.72%) Octopus Deploy
17 27 (2.72%) SpecFlow
18 25 (2.52%) webpack
General
1 298 (30.07%) Finance
2 85 (8.58%) Banking
3 73 (7.37%) Retail
4 52 (5.25%) Marketing
5 36 (3.63%) Games
6 25 (2.52%) Advertising
6 25 (2.52%) Investment Banking
7 20 (2.02%) Front Office
8 19 (1.92%) Publishing
9 18 (1.82%) Legal
9 18 (1.82%) Telecoms
10 11 (1.11%) Multimedia
10 11 (1.11%) Public Sector
10 11 (1.11%) Retail Finance
11 10 (1.01%) Financial Institution
11 10 (1.01%) Law
12 6 (0.61%) Back Office
12 6 (0.61%) Electronics
12 6 (0.61%) iGaming
12 6 (0.61%) Manufacturing
Job Titles
1 573 (57.82%) Developer
2 178 (17.96%) Senior Developer
3 138 (13.93%) Java Developer
4 81 (8.17%) Front End Developer (Client-Side Developer)
5 75 (7.57%) C# Developer
6 71 (7.16%) .NET Developer
6 71 (7.16%) Analyst
7 58 (5.85%) React Developer
8 51 (5.15%) JavaScript Developer
8 51 (5.15%) Software Engineer
9 49 (4.94%) Lead Developer
10 48 (4.84%) C# .NET Developer
11 40 (4.04%) Full Stack Developer
12 37 (3.73%) Architect
12 37 (3.73%) Senior C# Developer
13 35 (3.53%) Software Developer
14 34 (3.43%) Consultant
15 32 (3.23%) DevOps Engineer
15 32 (3.23%) Senior Front-End Developer
16 27 (2.72%) SQL Developer
Libraries, Frameworks & Software Standards
1 441 (44.50%) REST
2 386 (38.95%) XML
3 335 (33.80%) HTML
4 316 (31.89%) CSS
5 259 (26.14%) .NET
6 206 (20.79%) Web Services
7 198 (19.98%) SOAP
8 183 (18.47%) jQuery
9 169 (17.05%) RESTful
10 143 (14.43%) React
11 139 (14.03%) AngularJS
12 138 (13.93%) Spring
13 130 (13.12%) Node.js
14 121 (12.21%) ASP.NET
15 111 (11.20%) HTML5
16 89 (8.98%) CSS3
17 87 (8.78%) Redux
18 68 (6.86%) .NET Framework
19 67 (6.76%) Twitter Bootstrap
20 63 (6.36%) ASP.NET Web API
Miscellaneous
1 106 (10.70%) User Experience
2 72 (7.27%) Analytical Skills
3 41 (4.14%) Mobile App
4 35 (3.53%) Management Information System
5 27 (2.72%) Self-Motivation
6 26 (2.62%) Enterprise Software
7 24 (2.42%) Linux Command Line
8 21 (2.12%) Greenfield Project
8 21 (2.12%) Reinsurance
9 20 (2.02%) Algorithms
10 17 (1.72%) Data Structures
10 17 (1.72%) Social Media
11 16 (1.61%) Foreign Exchange (FX)
11 16 (1.61%) Public Cloud
12 12 (1.21%) Online Banking
13 10 (1.01%) Fixed Income
14 9 (0.91%) Hybrid Cloud
14 9 (0.91%) Private Cloud
15 8 (0.81%) Cloud Native
15 8 (0.81%) PKI
Operating Systems
1 115 (11.60%) Linux
2 70 (7.06%) Windows
3 50 (5.05%) Unix
4 43 (4.34%) Android
5 30 (3.03%) Apple iOS
6 10 (1.01%) Windows 10
6 10 (1.01%) Windows Server
7 9 (0.91%) CentOS
7 9 (0.91%) Red Hat Enterprise Linux
8 8 (0.81%) Fedora
9 6 (0.61%) Windows 7
10 5 (0.50%) Mac OS
11 1 (0.10%) Android TV
11 1 (0.10%) Windows 8
11 1 (0.10%) Windows Server 2008
Processes & Methodologies
1 537 (54.19%) Agile Software Development
2 264 (26.64%) Scrum
3 252 (25.43%) DevOps
4 210 (21.19%) Microservices
5 191 (19.27%) Test Automation
6 159 (16.04%) TDD
7 146 (14.73%) MVC
8 143 (14.43%) Continuous Integration
9 134 (13.52%) Analytics
10 132 (13.32%) Mentoring
11 125 (12.61%) OO
12 116 (11.71%) Software Engineering
13 113 (11.40%) Computer Science
14 112 (11.30%) Front End Development
15 100 (10.09%) Web Development
16 95 (9.59%) BDD
17 87 (8.78%) Problem-Solving
18 85 (8.58%) Business Intelligence
19 79 (7.97%) SDLC
20 73 (7.37%) Fintech
Programming Languages
1 484 (48.84%) JavaScript
2 351 (35.42%) Java
3 340 (34.31%) SQL
4 265 (26.74%) C#
5 186 (18.77%) Python
6 102 (10.29%) PowerShell
7 74 (7.47%) PHP
8 65 (6.56%) Scala
9 59 (5.95%) Java 8
10 49 (4.94%) Bash Shell
10 49 (4.94%) ES6
11 35 (3.53%) Ruby
12 30 (3.03%) XPath
13 29 (2.93%) Go
14 27 (2.72%) Shell Script
15 25 (2.52%) Apex Code
16 21 (2.12%) C
17 20 (2.02%) PL/SQL
18 18 (1.82%) T-SQL
19 17 (1.72%) C++
Qualifications
1 114 (11.50%) Degree
2 58 (5.85%) Computer Science Degree
3 15 (1.51%) Security Cleared
4 6 (0.61%) SC Cleared
5 4 (0.40%) Microsoft Certification
5 4 (0.40%) Numerate Degree
6 3 (0.30%) MCSA
7 2 (0.20%) Cisco Certification
7 2 (0.20%) Master's Degree
7 2 (0.20%) PhD
7 2 (0.20%) PMI Certification
7 2 (0.20%) Postgraduate
8 1 (0.10%) CCIE
8 1 (0.10%) CCNA
8 1 (0.10%) CCNP
8 1 (0.10%) CISSP
8 1 (0.10%) CompTIA Security+
8 1 (0.10%) MCSE
8 1 (0.10%) PMP
8 1 (0.10%) SANS
Quality Assurance & Compliance
1 94 (9.49%) QA
2 30 (3.03%) Data Quality
3 17 (1.72%) GDPR
4 5 (0.50%) Solvency II
5 4 (0.40%) ISO/IEC 27001
6 3 (0.30%) PCI DSS
6 3 (0.30%) PMO
7 2 (0.20%) SLA
8 1 (0.10%) WAI
System Software
1 186 (18.77%) Docker
2 34 (3.43%) Active Directory
3 3 (0.30%) Hyper-V
3 3 (0.30%) Varnish
3 3 (0.30%) Virtual Machines
3 3 (0.30%) VMware Infrastructure
4 2 (0.20%) Citrix Hypervisor
4 2 (0.20%) Shibboleth
5 1 (0.10%) LXC
5 1 (0.10%) OpenAM
5 1 (0.10%) Virtual Desktop
5 1 (0.10%) Virtual Servers
Systems Management
1 130 (13.12%) Kubernetes
2 55 (5.55%) Ansible
3 44 (4.44%) Puppet
4 41 (4.14%) Terraform
5 29 (2.93%) Opscode Chef
6 16 (1.61%) Istio
7 13 (1.31%) Grafana
8 10 (1.01%) Packer
8 10 (1.01%) Rancher
9 9 (0.91%) Control-M
9 9 (0.91%) ZABBIX
10 8 (0.81%) HP SiteScope
10 8 (0.81%) Nagios
11 7 (0.71%) Hadoop YARN
11 7 (0.71%) Icinga
11 7 (0.71%) Kibana
11 7 (0.71%) Marathon
11 7 (0.71%) Mesos
12 6 (0.61%) BladeLogic
12 6 (0.61%) HP Quality Center
Vendors
1 118 (11.91%) Microsoft
2 72 (7.27%) Oracle
3 67 (6.76%) Google
4 54 (5.45%) MuleSoft
4 54 (5.45%) Salesforce.com
5 41 (4.14%) Splunk
6 26 (2.62%) Atlassian
7 21 (2.12%) Adobe
7 21 (2.12%) Tableau
8 20 (2.02%) TIBCO
9 19 (1.92%) HubSpot
9 19 (1.92%) Jitterbit
10 17 (1.72%) IBM
11 15 (1.51%) Tealium
12 14 (1.41%) Perforce
12 14 (1.41%) SAP
12 14 (1.41%) WorldPay
13 13 (1.31%) Pega
14 11 (1.11%) Red Hat
15 10 (1.01%) Dell