Period
to 4 April 2020

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 4 April 2020 with a comparison to the same period in the previous 2 years.

JSON
England > London
6 months to
4 Apr 2020
Same period 2019 Same period 2018
Rank 206 175 196
Rank change year-on-year -31 +21 -28
Permanent jobs citing JSON 826 1,241 1,260
As % of all permanent jobs advertised in London 1.72% 2.03% 1.81%
As % of the Libraries, Frameworks & Software Standards category 4.22% 5.05% 4.51%
Number of salaries quoted 665 981 983
Median annual salary £62,500 £62,500 £60,000
Median salary % change year-on-year - +4.17% +4.35%
10th Percentile £42,500 £41,250 £38,250
90th Percentile £95,000 £90,000 £88,750
England median annual salary £55,000 £55,000 £50,000
% change year-on-year - +10.00% +5.26%

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 19,555 24,595 27,917
As % of all permanent IT jobs advertised in London 40.81% 40.30% 39.99%
Number of salaries quoted 16,087 20,426 23,481
Median annual salary £70,000 £65,000 £60,000
Median salary % change year-on-year +7.69% +8.33% -
10th Percentile £42,500 £38,750 £37,500
90th Percentile £105,000 £95,000 £90,000
England median annual salary £55,000 £54,000 £50,000
% change year-on-year +1.85% +8.00% +5.26%

JSON
Job Vacancy Trend in London

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

Job vacancy trend for JSON in London

JSON
Salary Trend in London

3-month moving average salary quoted in jobs citing JSON in London.

Salary trend for JSON in London

JSON
Salary Histogram in London

Salary distribution for jobs citing JSON in London over the 6 months to 4 April 2020.

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 4 April 2020. 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 +40 194 £72,500 +3.57% 23
West London +32 48 £60,000 +14.29% 24
South London -49 16 £45,000 +5.88% 4
East London +13 9 £49,971 +5.20% 3
North London -15 3 £52,500 +16.67%
JSON
England

For the 6 months to 4 April 2020, 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.

1 473 (57.26%) Agile Software Development
2 407 (49.27%) JavaScript
3 388 (46.97%) XML
4 381 (46.13%) REST
5 280 (33.90%) HTML
6 264 (31.96%) CSS
7 262 (31.72%) SQL
8 248 (30.02%) Git (software)
9 235 (28.45%) Java
10 226 (27.36%) Finance
11 223 (27.00%) .NET
12 215 (26.03%) C#
13 206 (24.94%) Scrum
14 185 (22.40%) DevOps
15 182 (22.03%) SOAP
16 180 (21.79%) SQL Server
17 179 (21.67%) Web Services
18 164 (19.85%) TDD
19 163 (19.73%) Python
20 161 (19.49%) RESTful
21 158 (19.13%) MVC
22 154 (18.64%) Docker
23 152 (18.40%) Microservices
23 152 (18.40%) AWS
24 147 (17.80%) Azure
25 137 (16.59%) JIRA
26 131 (15.86%) jQuery
27 124 (15.01%) Software Engineering
28 116 (14.04%) OO
29 114 (13.80%) Continuous Integration

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 57 (6.90%) Confluence
2 36 (4.36%) EPiServer
3 34 (4.12%) Apache
4 31 (3.75%) Apache Spark
5 20 (2.42%) CMS
6 18 (2.18%) Elasticsearch
6 18 (2.18%) Tomcat
7 16 (1.94%) SharePoint
8 15 (1.82%) IIS
9 13 (1.57%) Cloud Foundry
10 10 (1.21%) nginx
11 9 (1.09%) GeoServer
11 9 (1.09%) WordPress
12 7 (0.85%) Jetty
12 7 (0.85%) Oracle Workflow
13 6 (0.73%) Mule
13 6 (0.73%) Oracle SOA Suite
13 6 (0.73%) SharePoint 2010
14 5 (0.61%) Anypoint
14 5 (0.61%) BizTalk Server
Applications
1 16 (1.94%) Microsoft Excel
2 10 (1.21%) Adobe XD
2 10 (1.21%) InVision
2 10 (1.21%) Zeplin
3 6 (0.73%) Microsoft Office
4 5 (0.61%) Photoshop
5 2 (0.24%) Adobe Illustrator
Business Applications
1 22 (2.66%) Magento
2 10 (1.21%) Dynamics CRM
3 8 (0.97%) Sparx Enterprise Architect
4 6 (0.73%) NetSuite
5 4 (0.48%) Oracle Applications
5 4 (0.48%) Oracle Cash Management
5 4 (0.48%) Oracle EBS
5 4 (0.48%) Oracle Payables
5 4 (0.48%) Oracle Procure-to-Pay
5 4 (0.48%) Oracle Subledger Accounting
6 2 (0.24%) Distributed Ledger
6 2 (0.24%) Eikon
7 1 (0.12%) Bloomberg AIM
7 1 (0.12%) BusinessWorks
7 1 (0.12%) JDE OneWorld
7 1 (0.12%) Markit EDM
7 1 (0.12%) Payment Gateway
7 1 (0.12%) R3 Corda
7 1 (0.12%) Shopify
7 1 (0.12%) thinkFolio
Cloud Services
1 152 (18.40%) AWS
2 147 (17.80%) Azure
3 79 (9.56%) SaaS
4 78 (9.44%) GitHub
5 36 (4.36%) GCP
6 35 (4.24%) Serverless
7 29 (3.51%) Amazon EC2
8 28 (3.39%) AWS Lambda
9 22 (2.66%) Amazon SQS
10 21 (2.54%) Amazon S3
10 21 (2.54%) npm
11 19 (2.30%) Amazon Kinesis
11 19 (2.30%) Power Platform
12 18 (2.18%) OpenShift
13 17 (2.06%) Office 365
14 16 (1.94%) Veeva
15 14 (1.69%) Google Analytics
15 14 (1.69%) IaaS
16 12 (1.45%) Adobe Analytics
16 12 (1.45%) Cloud Computing
Communications & Networking
1 70 (8.47%) HTTP
2 51 (6.17%) Internet
3 13 (1.57%) DNS
3 13 (1.57%) VPN
4 11 (1.33%) Firewall
4 11 (1.33%) TCP/IP
5 9 (1.09%) Network Security
6 6 (0.73%) Intranet
6 6 (0.73%) SAN
7 5 (0.61%) HTTPS
7 5 (0.61%) VoIP
8 3 (0.36%) FTP
8 3 (0.36%) SSL
8 3 (0.36%) Wireshark
9 2 (0.24%) Cisco IOS
9 2 (0.24%) LAN
9 2 (0.24%) SSH
9 2 (0.24%) VLAN
9 2 (0.24%) VPLS
9 2 (0.24%) WAN
Database & Business Intelligence
1 180 (21.79%) SQL Server
2 96 (11.62%) Relational Database
3 76 (9.20%) NoSQL
4 52 (6.30%) MongoDB
5 47 (5.69%) Big Data
5 47 (5.69%) PostgreSQL
6 45 (5.45%) MySQL
6 45 (5.45%) SQL Server 2012
7 44 (5.33%) Data Warehouse
8 35 (4.24%) RDBMS
9 32 (3.87%) Amazon RDS
9 32 (3.87%) Redis
10 29 (3.51%) Apache Cassandra
10 29 (3.51%) Hadoop
11 26 (3.15%) SQL Server Integration Services
12 25 (3.03%) SQL Server 2008
13 19 (2.30%) Power BI
14 16 (1.94%) Snowflake Schema
15 14 (1.69%) Amazon DynamoDB
16 12 (1.45%) Data Lake
Development Applications
1 248 (30.02%) Git (software)
2 137 (16.59%) JIRA
3 95 (11.50%) Jenkins
4 78 (9.44%) Visual Studio
5 43 (5.21%) Selenium
6 40 (4.84%) Atlassian Bamboo
7 37 (4.48%) Maven
8 35 (4.24%) JUnit
9 32 (3.87%) Cucumber
9 32 (3.87%) Subversion
10 30 (3.63%) GitLab
11 29 (3.51%) Team Foundation Server
12 28 (3.39%) Bitbucket
13 23 (2.78%) NUnit
14 22 (2.66%) TeamCity
15 16 (1.94%) Mockito
15 16 (1.94%) Octopus Deploy
16 14 (1.69%) CircleCI
17 13 (1.57%) Jasmine
17 13 (1.57%) Katalon Studio
General
1 226 (27.36%) Finance
2 62 (7.51%) Banking
3 36 (4.36%) Retail
4 23 (2.78%) Marketing
5 18 (2.18%) Games
6 17 (2.06%) Legal
7 15 (1.82%) Advertising
7 15 (1.82%) Multimedia
8 12 (1.45%) Publishing
8 12 (1.45%) Retail Finance
9 9 (1.09%) Law
10 7 (0.85%) Public Sector
11 6 (0.73%) iGaming
11 6 (0.73%) Retail Banking
12 4 (0.48%) General Ledger
13 3 (0.36%) Back Office
13 3 (0.36%) Electronics
14 2 (0.24%) Investment Banking
14 2 (0.24%) Manufacturing
14 2 (0.24%) Telecoms
Job Titles
1 457 (55.33%) Developer
2 124 (15.01%) Senior Developer
3 91 (11.02%) Java Developer
4 89 (10.77%) .NET Developer
5 72 (8.72%) C# Developer
6 71 (8.60%) Analyst
7 62 (7.51%) C# .NET Developer
8 52 (6.30%) Front End Developer (Client-Side Developer)
9 45 (5.45%) Architect
10 43 (5.21%) React Developer
11 41 (4.96%) Software Engineer
12 34 (4.12%) Full Stack Developer
13 33 (4.00%) Consultant
14 28 (3.39%) Lead Developer
15 25 (3.03%) Python Engineer
16 24 (2.91%) JavaScript Developer
17 23 (2.78%) Software Developer
18 22 (2.66%) Angular Developer
19 21 (2.54%) Python Developer
19 21 (2.54%) Web Developer
Libraries, Frameworks & Software Standards
1 388 (46.97%) XML
2 381 (46.13%) REST
3 280 (33.90%) HTML
4 264 (31.96%) CSS
5 223 (27.00%) .NET
6 182 (22.03%) SOAP
7 179 (21.67%) Web Services
8 161 (19.49%) RESTful
9 131 (15.86%) jQuery
10 111 (13.44%) ASP.NET
11 106 (12.83%) AngularJS
11 106 (12.83%) Node.js
12 96 (11.62%) Spring
13 88 (10.65%) .NET Framework
14 86 (10.41%) React
15 76 (9.20%) HTML5
16 68 (8.23%) XSLT
17 59 (7.14%) ASP.NET Web API
18 55 (6.66%) Redux
19 53 (6.42%) .NET Core
Miscellaneous
1 83 (10.05%) Analytical Skills
2 75 (9.08%) User Experience
3 39 (4.72%) Self-Motivation
4 27 (3.27%) Mobile App
5 25 (3.03%) Data Structures
6 21 (2.54%) Enterprise Software
7 20 (2.42%) Management Information System
8 19 (2.30%) Reference Data
9 18 (2.18%) Greenfield Project
10 16 (1.94%) Algorithms
11 15 (1.82%) Client/Server
12 12 (1.45%) Foreign Exchange (FX)
13 11 (1.33%) Cloud Native
13 11 (1.33%) Reinsurance
14 10 (1.21%) Linux Command Line
14 10 (1.21%) N-Tier
14 10 (1.21%) Semantic Web
15 9 (1.09%) Analytical Mindset
15 9 (1.09%) Online Banking
16 6 (0.73%) Virtual Team
Operating Systems
1 78 (9.44%) Linux
2 58 (7.02%) Windows
3 57 (6.90%) Android
4 53 (6.42%) Unix
5 47 (5.69%) Apple iOS
6 18 (2.18%) CentOS
7 16 (1.94%) Fedora
8 13 (1.57%) Windows 10
8 13 (1.57%) Windows Server
9 9 (1.09%) Windows Server 2012
9 9 (1.09%) Windows Server 2016
9 9 (1.09%) Windows Server 2019
10 7 (0.85%) Mac OS
11 3 (0.36%) Android TV
11 3 (0.36%) Windows 7
12 2 (0.24%) Ubuntu
Processes & Methodologies
1 473 (57.26%) Agile Software Development
2 206 (24.94%) Scrum
3 185 (22.40%) DevOps
4 164 (19.85%) TDD
5 158 (19.13%) MVC
6 152 (18.40%) Microservices
7 124 (15.01%) Software Engineering
8 116 (14.04%) OO
9 114 (13.80%) Continuous Integration
10 110 (13.32%) Test Automation
11 93 (11.26%) Mentoring
12 91 (11.02%) Web Development
13 88 (10.65%) Analytics
14 85 (10.29%) BDD
15 82 (9.93%) SDLC
16 81 (9.81%) Front End Development
17 78 (9.44%) User Stories
18 72 (8.72%) Fintech
19 71 (8.60%) Continuous Improvement
19 71 (8.60%) Migration
Programming Languages
1 407 (49.27%) JavaScript
2 262 (31.72%) SQL
3 235 (28.45%) Java
4 215 (26.03%) C#
5 163 (19.73%) Python
6 52 (6.30%) PowerShell
7 51 (6.17%) PHP
8 45 (5.45%) XPath
9 43 (5.21%) Ruby
10 42 (5.08%) ES6
11 40 (4.84%) Scala
12 36 (4.36%) TypeScript
13 31 (3.75%) Java 8
14 27 (3.27%) C
15 26 (3.15%) Go
15 26 (3.15%) T-SQL
16 23 (2.78%) Kotlin
17 20 (2.42%) Shell Script
18 19 (2.30%) Apple Swift
19 18 (2.18%) Bash Shell
Qualifications
1 59 (7.14%) Degree
2 38 (4.60%) Computer Science Degree
3 12 (1.45%) Master's Degree
4 11 (1.33%) AWS Certification
5 6 (0.73%) ISTQB
6 4 (0.48%) Cisco Certification
6 4 (0.48%) Microsoft Certification
6 4 (0.48%) PMI Certification
7 3 (0.36%) CCNP
7 3 (0.36%) Numerate Degree
7 3 (0.36%) PMP
8 2 (0.24%) CCIE
8 2 (0.24%) DV Cleared
8 2 (0.24%) ISTQB Foundation Certification
8 2 (0.24%) MCSA
8 2 (0.24%) PRINCE2 Certification
8 2 (0.24%) Security Cleared
9 1 (0.12%) CCNA
9 1 (0.12%) ITIL Certification
9 1 (0.12%) PhD
Quality Assurance & Compliance
1 81 (9.81%) QA
2 29 (3.51%) Data Quality
3 13 (1.57%) SLA
4 7 (0.85%) GDPR
4 7 (0.85%) PCI DSS
5 6 (0.73%) PMO
6 5 (0.61%) ISO/IEC 27001
7 3 (0.36%) Solvency II
System Software
1 154 (18.64%) Docker
2 4 (0.48%) Virtual Machines
3 3 (0.36%) Active Directory
4 2 (0.24%) LXC
4 2 (0.24%) Varnish
4 2 (0.24%) Virtual Desktop
5 1 (0.12%) Virtual Servers
5 1 (0.12%) VMware Infrastructure
Systems Management
1 107 (12.95%) Kubernetes
2 35 (4.24%) Ansible
3 30 (3.63%) Puppet
4 25 (3.03%) Terraform
5 24 (2.91%) Opscode Chef
6 16 (1.94%) Istio
6 16 (1.94%) Kibana
7 12 (1.45%) Rancher
8 11 (1.33%) Prometheus
9 10 (1.21%) Grafana
10 6 (0.73%) Microsoft Intune
11 4 (0.48%) Consul
12 3 (0.36%) Nagios
12 3 (0.36%) Packer
13 2 (0.24%) BladeLogic
13 2 (0.24%) Cisco CUCM
13 2 (0.24%) Control-M
13 2 (0.24%) logstash
13 2 (0.24%) Salt
13 2 (0.24%) SCCM
Vendors
1 103 (12.47%) Microsoft
2 56 (6.78%) Oracle
3 53 (6.42%) Google
4 33 (4.00%) Salesforce.com
5 26 (3.15%) Atlassian
6 24 (2.91%) Adobe
6 24 (2.91%) MuleSoft
7 18 (2.18%) TIBCO
8 16 (1.94%) Red Hat
8 16 (1.94%) SAP
9 15 (1.82%) IBM
10 13 (1.57%) Pega
11 12 (1.45%) Tableau
11 12 (1.45%) Tealium
12 9 (1.09%) Jitterbit
13 8 (0.97%) Sparx
14 6 (0.73%) Ensighten
14 6 (0.73%) Optimizely
14 6 (0.73%) Qualtrics
14 6 (0.73%) Splunk