Period
to 28 January 2022

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 28 January 2022 with a comparison to the same period in the previous 2 years.

JSON
England > London
6 months to
28 Jan 2022
Same period 2021 Same period 2020
Rank 158 194 200
Rank change year-on-year +36 +6 -17
Permanent jobs citing JSON 1,181 441 931
As % of all permanent jobs advertised in London 2.30% 1.80% 1.82%
As % of the Libraries, Frameworks & Software Standards category 5.25% 4.14% 4.53%
Number of salaries quoted 731 369 704
10th Percentile £42,500 £45,000 £41,250
25th Percentile £53,750 £51,250 £46,250
Median annual salary (50th Percentile) £70,000 £65,000 £62,500
Median % change year-on-year +7.69% +4.00% -
75th Percentile £87,500 £80,000 £77,500
90th Percentile £100,000 £95,000 £95,000
England median annual salary £60,000 £55,000 £52,500
% change year-on-year +9.09% +4.76% -4.55%

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 22,490 10,653 20,562
As % of all permanent IT jobs advertised in London 43.72% 43.51% 40.10%
Number of salaries quoted 13,128 9,276 17,075
10th Percentile £47,500 £45,250 £41,250
25th Percentile £57,500 £55,000 £52,500
Median annual salary (50th Percentile) £75,000 £70,000 £70,000
Median % change year-on-year +7.14% - +7.69%
75th Percentile £95,000 £87,500 £85,000
90th Percentile £115,000 £105,000 £102,500
England median annual salary £62,500 £57,500 £55,000
% change year-on-year +8.70% +4.55% +4.76%

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 28 January 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 28 January 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 -1 149 £65,000 -13.33% 43
West London +1 80 £67,500 - 16
South London -9 34 £52,500 -12.50% 1
North London -12 6 £47,500 +21.79% 2
East London -33 6 - - 18
JSON
England

For the 6 months to 28 January 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.

1 547 (46.32%) Agile Software Development
2 544 (46.06%) XML
3 509 (43.10%) JavaScript
4 441 (37.34%) REST
5 421 (35.65%) Java
6 418 (35.39%) SQL
7 335 (28.37%) Git (software)
8 327 (27.69%) HTML
9 313 (26.50%) Finance
10 282 (23.88%) Azure
11 268 (22.69%) DevOps
12 264 (22.35%) React
13 261 (22.10%) Web Services
14 259 (21.93%) AWS
15 251 (21.25%) CSS
16 243 (20.58%) Python
17 237 (20.07%) Microservices
18 228 (19.31%) Social Skills
19 222 (18.80%) C#
20 207 (17.53%) Software Engineering
21 205 (17.36%) .NET
22 199 (16.85%) Kubernetes
23 195 (16.51%) CI/CD
24 191 (16.17%) Docker
25 188 (15.92%) Linux
26 182 (15.41%) SOAP
27 168 (14.23%) Test Automation
28 167 (14.14%) Node.js
29 166 (14.06%) Full Stack Development
30 165 (13.97%) Scrum

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 72 (6.10%) Confluence
2 35 (2.96%) WordPress
3 34 (2.88%) Elasticsearch
4 32 (2.71%) CMS
4 32 (2.71%) Jetty
5 31 (2.62%) SAS
6 22 (1.86%) Tomcat
7 13 (1.10%) IIS
7 13 (1.10%) SharePoint
8 11 (0.93%) MQSeries
8 11 (0.93%) Mule
9 7 (0.59%) Apache
9 7 (0.59%) Drupal
9 7 (0.59%) nginx
10 6 (0.51%) Apache Spark
10 6 (0.51%) JBoss
11 5 (0.42%) Apache Solr
11 5 (0.42%) Appian
11 5 (0.42%) IBM Domino
11 5 (0.42%) Umbraco
Applications
1 29 (2.46%) Microsoft Excel
2 17 (1.44%) Adobe XD
3 16 (1.35%) Microsoft Office
4 12 (1.02%) Photoshop
5 10 (0.85%) Microsoft PowerPoint
6 9 (0.76%) Sketch
7 4 (0.34%) Adobe Illustrator
7 4 (0.34%) InVision
7 4 (0.34%) MS Visio
8 3 (0.25%) Microsoft Project
9 1 (0.085%) Adobe Creative Suite
9 1 (0.085%) Chatbot
9 1 (0.085%) InDesign
Business Applications
1 22 (1.86%) NetSuite
2 12 (1.02%) Distributed Ledger
2 12 (1.02%) Sentinel
3 10 (0.85%) Summit
4 9 (0.76%) R3 Corda
5 6 (0.51%) Shopify
6 5 (0.42%) Dynamics CRM
7 4 (0.34%) Magento
7 4 (0.34%) Unit4 Business World
8 2 (0.17%) Adobe Campaign
8 2 (0.17%) Elite 3E
8 2 (0.17%) Remedy ITSM
8 2 (0.17%) Sparx Enterprise Architect
9 1 (0.085%) Loan IQ
9 1 (0.085%) SAP Hybris
9 1 (0.085%) SimCorp Dimension
Cloud Services
1 282 (23.88%) Azure
2 259 (21.93%) AWS
3 89 (7.54%) GCP
4 82 (6.94%) Amazon S3
5 78 (6.60%) SaaS
6 72 (6.10%) Serverless
7 64 (5.42%) Power Platform
8 61 (5.17%) GitHub
9 42 (3.56%) AWS Lambda
10 40 (3.39%) OpenShift
11 34 (2.88%) Azure Data Factory
12 32 (2.71%) AWS CloudFormation
12 32 (2.71%) Azure Active Directory
13 30 (2.54%) npm
14 29 (2.46%) Collibra
15 28 (2.37%) Slack
16 25 (2.12%) Azure Monitor
17 24 (2.03%) Microsoft 365
18 23 (1.95%) Azure Logic Apps
19 22 (1.86%) IaaS
Communications & Networking
1 126 (10.67%) HTTP
2 47 (3.98%) Firewall
3 45 (3.81%) Broadband
4 30 (2.54%) Internet
5 29 (2.46%) TCP/IP
6 28 (2.37%) Network Security
7 23 (1.95%) BGP
7 23 (1.95%) Bluetooth
7 23 (1.95%) MPLS
8 22 (1.86%) Cisco IOS
8 22 (1.86%) IOS XR
9 20 (1.69%) DVB
10 17 (1.44%) VoIP
10 17 (1.44%) VPN
11 14 (1.19%) IPsec
12 13 (1.10%) F5 BIG-IP LTM
12 13 (1.10%) SAN
13 11 (0.93%) Cisco ISE
13 11 (0.93%) Kerberos
14 10 (0.85%) HTTPS
Database & Business Intelligence
1 148 (12.53%) SQL Server
2 95 (8.04%) MySQL
2 95 (8.04%) PostgreSQL
3 92 (7.79%) Relational Database
4 83 (7.03%) MongoDB
5 70 (5.93%) NoSQL
6 63 (5.33%) Power BI
7 52 (4.40%) Big Data
8 41 (3.47%) SQL Server Integration Services
9 39 (3.30%) Tableau
10 38 (3.22%) Amazon RDS
11 37 (3.13%) Amazon DynamoDB
12 36 (3.05%) SQL Server Reporting Services
13 35 (2.96%) Amazon Aurora
14 34 (2.88%) Amazon Athena
15 32 (2.71%) Metadata
16 31 (2.62%) Blockchain
16 31 (2.62%) RDBMS
17 29 (2.46%) KNIME
18 23 (1.95%) Data Warehouse
Development Applications
1 335 (28.37%) Git (software)
2 150 (12.70%) Jenkins
3 145 (12.28%) JIRA
4 81 (6.86%) Selenium
5 62 (5.25%) JUnit
6 51 (4.32%) Maven
6 51 (4.32%) TeamCity
7 46 (3.90%) Bitbucket
8 44 (3.73%) Cucumber
9 41 (3.47%) Jasmine
10 40 (3.39%) Visual Studio
11 37 (3.13%) Team Foundation Server
12 33 (2.79%) SpecFlow
13 32 (2.71%) webpack
14 31 (2.62%) Atlassian Bamboo
14 31 (2.62%) Gradle
15 30 (2.54%) Mocha
15 30 (2.54%) WebDriver
16 27 (2.29%) JMeter
17 26 (2.20%) Ant
General
1 313 (26.50%) Finance
2 228 (19.31%) Social Skills
3 89 (7.54%) Analytical Skills
4 58 (4.91%) Marketing
5 55 (4.66%) Banking
6 45 (3.81%) Presentation Skills
7 39 (3.30%) Inclusion and Diversity
8 38 (3.22%) Legal
9 34 (2.88%) Law
10 32 (2.71%) Games
11 29 (2.46%) Advertising
12 25 (2.12%) Publishing
12 25 (2.12%) Retail
13 24 (2.03%) Documentation Skills
14 17 (1.44%) Financial Institution
15 16 (1.35%) Telecoms
16 12 (1.02%) Aerospace
16 12 (1.02%) Manufacturing
16 12 (1.02%) Pharmaceutical
17 11 (0.93%) Public Sector
Job Titles
1 607 (51.40%) Developer
2 147 (12.45%) Senior Developer
3 110 (9.31%) Java Developer
4 88 (7.45%) Software Engineer
5 81 (6.86%) Full Stack Developer
6 77 (6.52%) Software Developer
7 68 (5.76%) Data Engineer
8 64 (5.42%) Architect
9 49 (4.15%) Analyst
10 47 (3.98%) React Developer
11 42 (3.56%) .NET Developer
12 39 (3.30%) Senior Java Developer
13 35 (2.96%) Senior Software Engineer
14 34 (2.88%) Consultant
14 34 (2.88%) Front End Developer (Client-Side Developer)
15 31 (2.62%) Backend Developer
16 29 (2.46%) JavaScript Developer
17 27 (2.29%) Cloud Engineer
17 27 (2.29%) DevOps Engineer
17 27 (2.29%) Java Engineer
Libraries, Frameworks & Software Standards
1 544 (46.06%) XML
2 441 (37.34%) REST
3 327 (27.69%) HTML
4 264 (22.35%) React
5 261 (22.10%) Web Services
6 251 (21.25%) CSS
7 205 (17.36%) .NET
8 182 (15.41%) SOAP
9 167 (14.14%) Node.js
10 161 (13.63%) HTML5
10 161 (13.63%) Spring
11 155 (13.12%) AngularJS
11 155 (13.12%) RESTful
12 122 (10.33%) jQuery
13 111 (9.40%) Spring Boot
14 98 (8.30%) CSS3
15 82 (6.94%) Ajax
16 74 (6.27%) Kafka
16 74 (6.27%) Sass
17 66 (5.59%) Hibernate
Miscellaneous
1 126 (10.67%) User Experience
2 87 (7.37%) Mobile App
3 86 (7.28%) Enterprise Software
4 79 (6.69%) Social Media
5 45 (3.81%) Greenfield Project
6 37 (3.13%) Data Centre
7 35 (2.96%) Data Structures
8 34 (2.88%) Cloud Native
9 28 (2.37%) Hedge funds
10 25 (2.12%) Video\Live Streaming
11 24 (2.03%) Self-Motivation
12 21 (1.78%) Social Network
13 20 (1.69%) Digital TV
13 20 (1.69%) Linux Command Line
13 20 (1.69%) MPEG
13 20 (1.69%) Public Cloud
13 20 (1.69%) STB
14 19 (1.61%) Fixed Income
14 19 (1.61%) Legacy Systems
15 17 (1.44%) Algorithms
Operating Systems
1 188 (15.92%) Linux
2 76 (6.44%) Windows
3 59 (5.00%) Android
3 59 (5.00%) Unix
4 58 (4.91%) Apple iOS
5 16 (1.35%) Windows Server
6 14 (1.19%) Mac OS
7 5 (0.42%) Ubuntu
8 4 (0.34%) tvOS
9 1 (0.085%) Debian
9 1 (0.085%) FreeBSD
9 1 (0.085%) Red Hat Enterprise Linux
9 1 (0.085%) Windows Server 2008
9 1 (0.085%) Windows Server 2012
Processes & Methodologies
1 547 (46.32%) Agile Software Development
2 268 (22.69%) DevOps
3 237 (20.07%) Microservices
4 207 (17.53%) Software Engineering
5 195 (16.51%) CI/CD
6 168 (14.23%) Test Automation
7 166 (14.06%) Full Stack Development
8 165 (13.97%) Scrum
9 160 (13.55%) Problem-Solving
10 158 (13.38%) Analytics
11 154 (13.04%) TDD
12 128 (10.84%) Mentoring
13 116 (9.82%) Continuous Integration
14 115 (9.74%) Computer Science
15 109 (9.23%) Data Modelling
16 104 (8.81%) OO
17 96 (8.13%) Fintech
18 90 (7.62%) Continuous Improvement
19 89 (7.54%) BDD
19 89 (7.54%) Workflow
Programming Languages
1 509 (43.10%) JavaScript
2 421 (35.65%) Java
3 418 (35.39%) SQL
4 243 (20.58%) Python
5 222 (18.80%) C#
6 99 (8.38%) PowerShell
7 94 (7.96%) PHP
8 93 (7.87%) TypeScript
9 71 (6.01%) Bash
10 51 (4.32%) ES6
10 51 (4.32%) Ruby
11 46 (3.90%) Scala
12 41 (3.47%) Go
12 41 (3.47%) Kotlin
13 40 (3.39%) Groovy
14 39 (3.30%) T-SQL
15 30 (2.54%) Apple Swift
16 29 (2.46%) C
17 28 (2.37%) VB
18 27 (2.29%) C++
Qualifications
1 135 (11.43%) Degree
2 53 (4.49%) Computer Science Degree
3 23 (1.95%) Cisco Certification
4 16 (1.35%) CCNP
4 16 (1.35%) ISTQB
5 15 (1.27%) CCIE
6 13 (1.10%) ISEB
7 11 (0.93%) GCFA
7 11 (0.93%) GCFE
7 11 (0.93%) GCIA
7 11 (0.93%) GCIH
7 11 (0.93%) SANS
8 10 (0.85%) DBS Check
9 9 (0.76%) Master's Degree
9 9 (0.76%) SC Cleared
9 9 (0.76%) Security Cleared
10 8 (0.68%) CCIE Data Center
10 8 (0.68%) CCIE Service Provider
11 7 (0.59%) SAFe Agilist
12 5 (0.42%) ISTQB Advanced Certification
Quality Assurance & Compliance
1 119 (10.08%) QA
2 29 (2.46%) CDISC
2 29 (2.46%) HL7
3 19 (1.61%) Data Quality
4 18 (1.52%) Accessibility
5 11 (0.93%) GDPR
6 2 (0.17%) ISO 15022
7 1 (0.085%) NCSC
7 1 (0.085%) WAI
System Software
1 191 (16.17%) Docker
2 47 (3.98%) Active Directory
3 13 (1.10%) VMware Infrastructure
4 11 (0.93%) Hyper-V
4 11 (0.93%) Microsoft App-V
4 11 (0.93%) XenApp
5 5 (0.42%) NDS
5 5 (0.42%) Virtual Machines
6 4 (0.34%) VMware NSX
7 3 (0.25%) Apache ZooKeeper
7 3 (0.25%) HDFS
8 1 (0.085%) Virtual Desktop
Systems Management
1 199 (16.85%) Kubernetes
2 113 (9.57%) Terraform
3 58 (4.91%) Ansible
4 16 (1.35%) Opscode Chef
5 13 (1.10%) SCCM
5 13 (1.10%) SCOM
6 11 (0.93%) EdgeSight
6 11 (0.93%) Nagios
6 11 (0.93%) SCOrch
6 11 (0.93%) SCVMM
7 9 (0.76%) Istio
8 8 (0.68%) Prometheus
8 8 (0.68%) Puppet
9 5 (0.42%) CA Single Sign-On
9 5 (0.42%) PingFederate
9 5 (0.42%) Single Sign-On
10 4 (0.34%) Consul
10 4 (0.34%) FortiGate
10 4 (0.34%) Kibana
10 4 (0.34%) Packer
Vendors
1 150 (12.70%) Microsoft
2 94 (7.96%) Google
3 76 (6.44%) Oracle
4 47 (3.98%) MuleSoft
5 38 (3.22%) Salesforce.com
6 33 (2.79%) Adobe
6 33 (2.79%) LexisNexis
7 32 (2.71%) Talend
8 29 (2.46%) Alteryx
8 29 (2.46%) Splunk
9 26 (2.20%) Cisco
9 26 (2.20%) ServiceNow
10 23 (1.95%) Palo Alto
11 22 (1.86%) Spotify
12 20 (1.69%) Fortinet
12 20 (1.69%) YouTube
13 17 (1.44%) SAP
14 16 (1.35%) F5
15 14 (1.19%) Infor
15 14 (1.19%) PeopleSoft