Period
to

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 30 June 2022 with a comparison to the same period in the previous 2 years.

JSON
England > London
6 months to
30 Jun 2022
Same period 2021 Same period 2020
Rank 176 184 206
Rank change year-on-year +8 +22 -9
Permanent jobs citing JSON 1,848 843 560
As % of all permanent jobs advertised in London 2.44% 2.04% 1.70%
As % of the Libraries, Frameworks & Software Standards category 5.37% 4.35% 4.16%
Number of salaries quoted 766 549 447
10th Percentile £47,500 £45,000 £43,046
25th Percentile £56,250 £52,500 £51,250
Median annual salary (50th Percentile) £75,000 £65,000 £67,500
Median % change year-on-year +15.38% -3.70% +3.05%
75th Percentile £97,290 £80,000 £87,500
90th Percentile £110,000 £98,750 £97,500
England median annual salary £60,000 £55,000 £55,000
% change year-on-year +9.09% - +4.76%

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 34,426 19,401 13,472
As % of all permanent IT jobs advertised in London 45.52% 46.99% 40.78%
Number of salaries quoted 12,795 12,005 11,222
10th Percentile £47,559 £45,000 £43,750
25th Percentile £57,786 £55,000 £53,750
Median annual salary (50th Percentile) £75,000 £71,500 £70,000
Median % change year-on-year +4.90% +2.14% +5.26%
75th Percentile £95,000 £90,000 £87,500
90th Percentile £115,000 £107,500 £105,000
England median annual salary £65,000 £57,500 £57,000
% change year-on-year +13.04% +0.88% +8.57%

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 30 June 2022.

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 30 June 2022. 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
Jobs
Central London -27 149 £82,500 +26.92% 45
South London -9 68 £50,000 -19.35% 2
West London -34 68 £60,000 -6.25% 17
East London -24 33 £60,000 - 10
North London -26 9 £47,500 -56.82% 1
JSON
England

For the 6 months to 30 June 2022, 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 1,080 (58.44%) Agile
2 851 (46.05%) REST
3 806 (43.61%) Git (software)
4 745 (40.31%) JavaScript
5 729 (39.45%) Java
6 703 (38.04%) Finance
7 657 (35.55%) SQL
8 615 (33.28%) XML
9 526 (28.46%) HTML
10 513 (27.76%) Jenkins
11 500 (27.06%) DevOps
12 489 (26.46%) React
13 482 (26.08%) Scrum
14 479 (25.92%) CSS
15 478 (25.87%) AWS
16 474 (25.65%) Azure
17 464 (25.11%) Social Skills
18 429 (23.21%) Continuous Integration
19 424 (22.94%) Web Services
20 422 (22.84%) Test Automation
21 409 (22.13%) Microservices
22 394 (21.32%) CI/CD
23 386 (20.89%) Mentoring
24 351 (18.99%) RESTful
25 331 (17.91%) Docker
26 327 (17.69%) JUnit
27 322 (17.42%) Microsoft
28 318 (17.21%) Full Stack Development
29 317 (17.15%) Software Engineering
30 314 (16.99%) C#

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
1 110 (5.95%) Confluence
2 72 (3.90%) Jetty
3 70 (3.79%) IIS
4 60 (3.25%) CMS
5 43 (2.33%) Cloud Foundry
6 42 (2.27%) Tomcat
7 26 (1.41%) SAS
8 20 (1.08%) JBoss
9 18 (0.97%) Apache Spark
10 17 (0.92%) WordPress
11 15 (0.81%) Apache
11 15 (0.81%) Apache Solr
12 14 (0.76%) Sitecore CMS
13 13 (0.70%) SharePoint
14 11 (0.60%) Apache Airflow
15 10 (0.54%) Headless CMS
16 9 (0.49%) Drupal
17 8 (0.43%) MQSeries
18 7 (0.38%) nginx
19 4 (0.22%) NServiceBus
Applications
1 31 (1.68%) Microsoft Excel
2 29 (1.57%) Microsoft Office
3 20 (1.08%) Sketch
4 14 (0.76%) Photoshop
5 13 (0.70%) Maya
6 10 (0.54%) Adobe XD
7 7 (0.38%) InDesign
8 5 (0.27%) Adobe Premiere
8 5 (0.27%) Microsoft PowerPoint
9 3 (0.16%) Spreadsheet
10 1 (0.054%) InVision
Business Applications
1 37 (2.00%) NetSuite
2 14 (0.76%) Shopify
3 6 (0.32%) Distributed Ledger
3 6 (0.32%) Sparx Enterprise Architect
4 5 (0.27%) Dynamics CRM
5 4 (0.22%) Oracle TCA
5 4 (0.22%) R3 Corda
5 4 (0.22%) SimCorp Dimension
6 2 (0.11%) Magento
6 2 (0.11%) Payment Gateway
6 2 (0.11%) Summit
6 2 (0.11%) Unit4 Business World
7 1 (0.054%) Adobe Campaign
7 1 (0.054%) BusinessWorks
7 1 (0.054%) Kondor
Cloud Services
1 478 (25.87%) AWS
2 474 (25.65%) Azure
3 246 (13.31%) Serverless
4 199 (10.77%) GCP
5 195 (10.55%) PaaS
6 120 (6.49%) Azure DevOps
7 101 (5.47%) GitHub
8 99 (5.36%) AWS Lambda
9 92 (4.98%) SaaS
10 83 (4.49%) Amazon S3
11 76 (4.11%) OpenShift
12 71 (3.84%) npm
13 62 (3.35%) Power Platform
14 53 (2.87%) Google Play
15 52 (2.81%) IaaS
16 39 (2.11%) Azure Data Factory
17 35 (1.89%) Slack
18 31 (1.68%) BrowserStack
19 30 (1.62%) Collibra
20 29 (1.57%) Firebase
Communications & Networking
1 208 (11.26%) HTTP
2 56 (3.03%) TCP/IP
3 52 (2.81%) Internet
4 44 (2.38%) VoIP
5 29 (1.57%) Broadband
5 29 (1.57%) Firewall
6 26 (1.41%) BGP
6 26 (1.41%) MPLS
7 23 (1.24%) Cisco IOS
7 23 (1.24%) IOS XR
8 18 (0.97%) Network Security
9 17 (0.92%) WebEx
10 11 (0.60%) 5G
11 10 (0.54%) VPN
12 9 (0.49%) Cisco ISE
12 9 (0.49%) IPsec
12 9 (0.49%) Kerberos
12 9 (0.49%) Unified Communications
13 8 (0.43%) Bluetooth
13 8 (0.43%) HTTPS
Database & Business Intelligence
1 240 (12.99%) SQL Server
2 215 (11.63%) Relational Database
3 144 (7.79%) PostgreSQL
4 133 (7.20%) MongoDB
5 119 (6.44%) MySQL
6 104 (5.63%) Big Data
7 90 (4.87%) NoSQL
8 70 (3.79%) Hadoop
9 65 (3.52%) Tableau
10 60 (3.25%) Power BI
11 59 (3.19%) Amazon RDS
12 53 (2.87%) Redis
13 50 (2.71%) SQL Server Integration Services
14 45 (2.44%) DynamoDB
15 43 (2.33%) Metadata
16 39 (2.11%) Elasticsearch
17 38 (2.06%) SQL Server Reporting Services
18 36 (1.95%) Hazelcast
19 32 (1.73%) Amazon Athena
20 30 (1.62%) Data Warehouse
Development Applications
1 806 (43.61%) Git (software)
2 513 (27.76%) Jenkins
3 327 (17.69%) JUnit
4 262 (14.18%) JIRA
5 243 (13.15%) Selenium
6 224 (12.12%) Maven
7 166 (8.98%) Cucumber
8 160 (8.66%) Mockito
9 159 (8.60%) Gradle
10 122 (6.60%) Atlassian Bamboo
11 109 (5.90%) JMeter
12 103 (5.57%) WebDriver
13 90 (4.87%) Team Foundation Server
14 89 (4.82%) Jasmine
15 86 (4.65%) Appium
16 82 (4.44%) Cypress.io
17 80 (4.33%) SpecFlow
18 73 (3.95%) Bitbucket
18 73 (3.95%) NUnit
19 72 (3.90%) webpack
General
1 703 (38.04%) Finance
2 464 (25.11%) Social Skills
3 168 (9.09%) Banking
4 151 (8.17%) Analytical Skills
5 144 (7.79%) Manufacturing
6 107 (5.79%) Inclusion and Diversity
7 75 (4.06%) Presentation Skills
8 72 (3.90%) Legal
9 69 (3.73%) Games
10 68 (3.68%) Retail
11 61 (3.30%) Retail Banking
12 57 (3.08%) Marketing
13 46 (2.49%) Financial Institution
14 41 (2.22%) Documentation Skills
14 41 (2.22%) Law
14 41 (2.22%) Publishing
15 32 (1.73%) Advertising
15 32 (1.73%) Telecoms
16 25 (1.35%) Organisational Skills
17 19 (1.03%) Public Sector
Job Titles
1 823 (44.53%) Developer
2 188 (10.17%) Software Engineer
3 165 (8.93%) Senior Developer
4 145 (7.85%) Full Stack Developer
5 133 (7.20%) Software Developer
6 130 (7.03%) React Developer
7 120 (6.49%) Java Engineer
8 117 (6.33%) Principal Engineer
9 102 (5.52%) Front End Developer (Client-Side Developer)
10 99 (5.36%) Java Developer
11 98 (5.30%) Architect
12 80 (4.33%) Analyst
12 80 (4.33%) Consultant
13 70 (3.79%) Senior Software Engineer
14 69 (3.73%) Test Engineer
15 67 (3.63%) DevOps Engineer
16 66 (3.57%) Technical Leader
17 57 (3.08%) iOS Developer
18 56 (3.03%) Android Developer
19 55 (2.98%) Data Engineer
Libraries, Frameworks & Software Standards
1 851 (46.05%) REST
2 615 (33.28%) XML
3 526 (28.46%) HTML
4 489 (26.46%) React
5 479 (25.92%) CSS
6 424 (22.94%) Web Services
7 351 (18.99%) RESTful
8 311 (16.83%) Spring
9 294 (15.91%) .NET
10 241 (13.04%) AngularJS
11 230 (12.45%) Node.js
12 209 (11.31%) SOAP
13 206 (11.15%) HTML5
14 187 (10.12%) Sass
15 183 (9.90%) Hibernate
16 173 (9.36%) jQuery
17 165 (8.93%) JPA
18 139 (7.52%) Redux
19 137 (7.41%) CSS3
20 136 (7.36%) Kafka
Miscellaneous
1 267 (14.45%) User Experience
2 266 (14.39%) Mobile App
3 126 (6.82%) Life Science
4 123 (6.66%) Data Structures
5 115 (6.22%) Social Network
6 112 (6.06%) Enterprise Software
7 110 (5.95%) Social Media
8 71 (3.84%) Self-Motivation
9 59 (3.19%) Cloud Native
10 49 (2.65%) Fixed Income
11 47 (2.54%) Greenfield Project
12 46 (2.49%) Algorithms
13 39 (2.11%) Data Centre
13 39 (2.11%) Foreign Exchange (FX)
14 38 (2.06%) PlayStation
15 37 (2.00%) Equities
15 37 (2.00%) Online Banking
16 36 (1.95%) Legacy Systems
17 34 (1.84%) Low-Code
18 27 (1.46%) Video\Live Streaming
Operating Systems
1 206 (11.15%) Android
2 201 (10.88%) Linux
3 195 (10.55%) Apple iOS
4 97 (5.25%) Windows
5 44 (2.38%) Unix
6 22 (1.19%) tvOS
7 6 (0.32%) Ubuntu
8 3 (0.16%) Mac OS
8 3 (0.16%) Red Hat Enterprise Linux
9 2 (0.11%) Angstrom
9 2 (0.11%) Windows Server
10 1 (0.054%) Alpine Linux
10 1 (0.054%) CentOS
10 1 (0.054%) Debian
10 1 (0.054%) FreeBSD
10 1 (0.054%) Windows Server 2008
10 1 (0.054%) Windows Server 2012
Processes & Methodologies
1 1,080 (58.44%) Agile
2 500 (27.06%) DevOps
3 482 (26.08%) Scrum
4 429 (23.21%) Continuous Integration
5 422 (22.84%) Test Automation
6 409 (22.13%) Microservices
7 394 (21.32%) CI/CD
8 386 (20.89%) Mentoring
9 318 (17.21%) Full Stack Development
10 317 (17.15%) Software Engineering
11 300 (16.23%) Coaching
12 256 (13.85%) TDD
13 250 (13.53%) Problem-Solving
14 242 (13.10%) Unit Testing
15 241 (13.04%) SDLC
16 209 (11.31%) Software Testing
17 202 (10.93%) Front End Development
18 194 (10.50%) SOA
19 185 (10.01%) User Stories
20 182 (9.85%) Computer Science
Programming Languages
1 745 (40.31%) JavaScript
2 729 (39.45%) Java
3 657 (35.55%) SQL
4 314 (16.99%) C#
5 293 (15.85%) Python
6 150 (8.12%) TypeScript
7 144 (7.79%) PowerShell
8 139 (7.52%) Kotlin
9 110 (5.95%) ES6
10 92 (4.98%) Ruby
11 90 (4.87%) Objective-C
12 81 (4.38%) Apple Swift
13 80 (4.33%) PHP
14 64 (3.46%) Scala
15 55 (2.98%) Bash
16 51 (2.76%) Go
17 50 (2.71%) C
17 50 (2.71%) Shell Script
18 49 (2.65%) T-SQL
19 29 (1.57%) Elixir
Qualifications
1 241 (13.04%) Degree
2 87 (4.71%) Computer Science Degree
3 23 (1.24%) Cisco Certification
4 21 (1.14%) CCIE
5 20 (1.08%) Master's Degree
6 16 (0.87%) CCIE Service Provider
7 14 (0.76%) Numerate Degree
8 12 (0.65%) MCP
8 12 (0.65%) Security Cleared
9 11 (0.60%) CCNP
10 10 (0.54%) SC Cleared
11 9 (0.49%) CCIE Data Center
12 8 (0.43%) ISTQB
13 7 (0.38%) JNCIE
14 6 (0.32%) HND
15 5 (0.27%) ITIL Certification
16 4 (0.22%) DBS Check
17 3 (0.16%) ISEB
17 3 (0.16%) ISTQB Advanced Certification
17 3 (0.16%) PMI Certification
Quality Assurance & Compliance
1 217 (11.74%) QA
2 84 (4.55%) Accessibility
3 30 (1.62%) Data Quality
4 24 (1.30%) CDISC
4 24 (1.30%) HL7
5 12 (0.65%) GDPR
6 8 (0.43%) MiFID
6 8 (0.43%) SLA
6 8 (0.43%) WCAG
7 4 (0.22%) ISO 15022
8 1 (0.054%) ISO 20022
8 1 (0.054%) NCSC
8 1 (0.054%) PMO
8 1 (0.054%) Solvency II
System Software
1 331 (17.91%) Docker
2 33 (1.79%) Active Directory
3 6 (0.32%) Virtual Machines
3 6 (0.32%) VMware Infrastructure
4 4 (0.22%) Apache ZooKeeper
4 4 (0.22%) VMware NSX
5 3 (0.16%) Virtual Desktop
Systems Management
1 273 (14.77%) Kubernetes
2 133 (7.20%) Terraform
3 44 (2.38%) Ansible
4 29 (1.57%) HP Quality Center
5 14 (0.76%) Single Sign-On
6 11 (0.60%) Opscode Chef
7 9 (0.49%) Kibana
7 9 (0.49%) Puppet
8 7 (0.38%) logstash
9 5 (0.27%) Istio
10 4 (0.22%) FortiGate
10 4 (0.22%) Packer
11 3 (0.16%) Grafana
11 3 (0.16%) HP ALM
11 3 (0.16%) Prometheus
12 2 (0.11%) SCCM
13 1 (0.054%) Nagios
13 1 (0.054%) OpenView
13 1 (0.054%) TIBCO Hawk
13 1 (0.054%) Tivoli Storage Manager
Vendors
1 322 (17.42%) Microsoft
2 235 (12.72%) Google
3 183 (9.90%) Oracle
4 80 (4.33%) Sony
5 48 (2.60%) Splunk
6 44 (2.38%) Adobe
7 41 (2.22%) Apple
8 35 (1.89%) Salesforce.com
9 30 (1.62%) Alteryx
10 28 (1.52%) Cisco
10 28 (1.52%) ServiceNow
11 26 (1.41%) SAP
12 24 (1.30%) Talend
13 23 (1.24%) Databricks
13 23 (1.24%) MuleSoft
14 22 (1.19%) Roku
14 22 (1.19%) Samsung
15 21 (1.14%) Dynatrace
16 20 (1.08%) Palo Alto
16 20 (1.08%) Zuora