Period
to 28 May 2020

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for JSON skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JSON over the 6 months to 28 May 2020 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

JSON
England > London
6 months to
28 May 2020
Same period 2019 Same period 2018
Rank 136 108 115
Rank change year-on-year -28 +7 -3
Contract jobs citing JSON 375 1,001 1,103
As % of all contract jobs advertised in London 1.94% 2.49% 2.42%
As % of the Libraries, Frameworks & Software Standards category 5.07% 6.74% 6.59%
Number of daily rates quoted 230 647 800
Median daily rate £500 £500 £493
Median daily rate % change year-on-year - +1.52% +3.68%
10th Percentile £352 £388 £382
90th Percentile £650 £638 £619
England median daily rate £500 £500 £475
% change year-on-year - +5.26% +5.56%
Number of hourly rates quoted 1 4 0
Median hourly rate £48.85 £75.00 -
Median hourly rate % change year-on-year -34.87% - -
England median hourly rate £50.50 £55.00 £45.00
% change year-on-year -8.18% +22.22% +25.00%

JSON is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 7,393 14,852 16,741
As % of all contract IT jobs advertised in London 38.18% 37.01% 36.74%
Number of daily rates quoted 5,306 11,052 12,781
Median daily rate £530 £525 £500
Median daily rate % change year-on-year +0.95% +5.00% +5.26%
10th Percentile £375 £375 £363
90th Percentile £700 £675 £660
England median daily rate £500 £500 £475
% change year-on-year - +5.26% +5.56%
Number of hourly rates quoted 56 72 118
Median hourly rate £35.00 £44.18 £43.71
Median hourly rate % change year-on-year -20.78% +1.08% -1.78%
10th Percentile £24.75 £28.05 £20.99
90th Percentile £65.13 £63.75 £68.25
Median hourly rate £35.00 £43.71 £42.27
% change year-on-year -19.92% +3.41% +3.09%

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
Contractor Daily Rate Trend in London

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

Daily rate trend for JSON in London

JSON
Daily Rate Histogram in London

Daily rate distribution for jobs citing JSON in London over the 6 months to 28 May 2020.

Daily rate histogram for JSON in London

JSON
Contractor Hourly Rate Trend in London

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

Hourly rate trend for JSON in London

JSON
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the London region over the 6 months to 28 May 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -16 50 £505 -3.81% 12
South London +9 21 £550 +12.59%
West London +17 9 £463 +8.82% 4
East London +13 3 £513 -2.38% 2
JSON
England

For the 6 months to 28 May 2020, IT contractor 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 contract job ads across the London region with a requirement for JSON.

1 194 (51.73%) XML
2 166 (44.27%) Agile Software Development
3 157 (41.87%) Java
3 157 (41.87%) REST
4 132 (35.20%) SQL
5 116 (30.93%) JavaScript
6 112 (29.87%) Git (software)
7 103 (27.47%) Web Services
8 99 (26.40%) HTML
9 91 (24.27%) SOAP
10 90 (24.00%) CSS
11 88 (23.47%) Jenkins
12 85 (22.67%) Azure
13 79 (21.07%) Oracle
14 77 (20.53%) AWS
15 75 (20.00%) JIRA
16 74 (19.73%) Security Cleared
16 74 (19.73%) DevOps
17 70 (18.67%) SQL Server
18 69 (18.40%) RESTful
19 67 (17.87%) Linux
20 65 (17.33%) Python
20 65 (17.33%) SC Cleared
21 58 (15.47%) Confluence
22 57 (15.20%) C#
22 57 (15.20%) PL/SQL
23 56 (14.93%) Microservices
24 55 (14.67%) .NET
24 55 (14.67%) Windows
25 51 (13.60%) Microsoft

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 58 (15.47%) Confluence
2 49 (13.07%) WebLogic
3 35 (9.33%) JBoss
4 32 (8.53%) Red Hat Fuse
5 29 (7.73%) Apache
6 24 (6.40%) Tomcat
7 21 (5.60%) MQSeries
8 20 (5.33%) WebSphere
9 19 (5.07%) Oracle SOA Suite
10 9 (2.40%) IIS
11 7 (1.87%) Apache ServiceMix
11 7 (1.87%) BizTalk Server
11 7 (1.87%) CMS
12 6 (1.60%) SharePoint
13 4 (1.07%) Elasticsearch
13 4 (1.07%) Skype for Business
14 3 (0.80%) Apache Spark
14 3 (0.80%) Drupal
15 2 (0.53%) IBM HTTP Server
15 2 (0.53%) WordPress
Applications
1 6 (1.60%) Chatbot
1 6 (1.60%) Microsoft Office
2 5 (1.33%) Microsoft Excel
Business Applications
1 11 (2.93%) Oracle ERP
2 7 (1.87%) Distributed Ledger
3 5 (1.33%) Sparx Enterprise Architect
4 2 (0.53%) Dynamics CRM
4 2 (0.53%) Magento
4 2 (0.53%) Maximo
4 2 (0.53%) Payment Gateway
5 1 (0.27%) NetSuite
Cloud Services
1 85 (22.67%) Azure
2 77 (20.53%) AWS
3 47 (12.53%) GitHub
4 25 (6.67%) SaaS
5 23 (6.13%) GCP
6 20 (5.33%) PaaS
7 15 (4.00%) Slack
8 14 (3.73%) Office 365
8 14 (3.73%) Serverless
9 11 (2.93%) AWS Lambda
9 11 (2.93%) Power Platform
10 10 (2.67%) Boomi
11 9 (2.40%) Apigee
12 7 (1.87%) Amazon S3
12 7 (1.87%) IaaS
12 7 (1.87%) npm
13 6 (1.60%) Azure Data Factory
13 6 (1.60%) Stackdriver
14 5 (1.33%) AWS CloudFormation
14 5 (1.33%) Logic Apps
Communications & Networking
1 33 (8.80%) HTTP
2 8 (2.13%) DNS
3 7 (1.87%) Firewall
4 6 (1.60%) HTTPS
4 6 (1.60%) Skype
4 6 (1.60%) SSL
5 4 (1.07%) PBX
6 3 (0.80%) Broadband
6 3 (0.80%) OpenVPN
6 3 (0.80%) Reverse Proxy
6 3 (0.80%) SSH
7 2 (0.53%) BGP
7 2 (0.53%) Cisco Firepower
7 2 (0.53%) Cisco ISE
7 2 (0.53%) Cisco Nexus
7 2 (0.53%) DHCP
7 2 (0.53%) RTMP
7 2 (0.53%) SAN
7 2 (0.53%) Unified Communications
7 2 (0.53%) WAN
Database & Business Intelligence
1 70 (18.67%) SQL Server
2 45 (12.00%) NoSQL
3 43 (11.47%) PostgreSQL
4 29 (7.73%) MySQL
5 27 (7.20%) Relational Database
6 20 (5.33%) Big Data
7 19 (5.07%) Data Warehouse
8 14 (3.73%) MongoDB
9 11 (2.93%) SQL Server Integration Services
10 9 (2.40%) Apache Cassandra
10 9 (2.40%) Power BI
11 8 (2.13%) Amazon DynamoDB
11 8 (2.13%) Amazon Redshift
11 8 (2.13%) RDBMS
12 7 (1.87%) Oracle ODI
12 7 (1.87%) Snowflake Schema
12 7 (1.87%) SQL Server 2008
13 6 (1.60%) Data Lake
13 6 (1.60%) DTS
13 6 (1.60%) SQL Server 2014
Development Applications
1 112 (29.87%) Git (software)
2 88 (23.47%) Jenkins
3 75 (20.00%) JIRA
4 39 (10.40%) Postman
5 22 (5.87%) SoapUI
6 20 (5.33%) Cucumber
7 19 (5.07%) Gradle
8 18 (4.80%) JUnit
8 18 (4.80%) Team Foundation Server
9 17 (4.53%) Maven
10 13 (3.47%) Mockito
10 13 (3.47%) Selenium
10 13 (3.47%) Visual Studio
10 13 (3.47%) Xcode
11 12 (3.20%) Android Studio
11 12 (3.20%) Ant
11 12 (3.20%) CocoaPods
11 12 (3.20%) JMeter
12 11 (2.93%) git-flow
12 11 (2.93%) Sonatype Nexus
General
1 51 (13.60%) Finance
2 32 (8.53%) Banking
3 20 (5.33%) Public Sector
4 13 (3.47%) Back Office
5 12 (3.20%) Retail
6 8 (2.13%) Law
7 7 (1.87%) Front Office
8 6 (1.60%) Games
8 6 (1.60%) Marketing
9 5 (1.33%) Financial Institution
10 4 (1.07%) Investment Banking
10 4 (1.07%) Retail Banking
11 3 (0.80%) Legal
12 2 (0.53%) Pharmaceutical
13 1 (0.27%) Automotive
13 1 (0.27%) French Language
13 1 (0.27%) Manufacturing
13 1 (0.27%) Publishing
13 1 (0.27%) Telecoms
Job Titles
1 211 (56.27%) Developer
2 54 (14.40%) Architect
3 39 (10.40%) Java Developer
4 23 (6.13%) Node.js Developer
5 20 (5.33%) Senior Developer
6 18 (4.80%) AWS Developer
7 17 (4.53%) Analyst
7 17 (4.53%) DevOps Engineer
8 16 (4.27%) Applications Architect
8 16 (4.27%) Cloud Architect
9 15 (4.00%) SQL Developer
9 15 (4.00%) Technical Architect
10 14 (3.73%) C# Developer
10 14 (3.73%) Software Engineer
11 13 (3.47%) iOS Developer
12 11 (2.93%) Android Developer
12 11 (2.93%) Ruby Developer
12 11 (2.93%) SC Cleared Java Developer
13 10 (2.67%) Full Stack Developer
14 9 (2.40%) AWS Engineer
Libraries, Frameworks & Software Standards
1 194 (51.73%) XML
2 157 (41.87%) REST
3 103 (27.47%) Web Services
4 99 (26.40%) HTML
5 91 (24.27%) SOAP
6 90 (24.00%) CSS
7 69 (18.40%) RESTful
8 55 (14.67%) .NET
9 50 (13.33%) Node.js
10 37 (9.87%) XSLT
11 34 (9.07%) RabbitMQ
12 32 (8.53%) Apache Camel
12 32 (8.53%) HTML5
13 31 (8.27%) AngularJS
13 31 (8.27%) Spring
14 27 (7.20%) Hibernate
14 27 (7.20%) Swagger
15 25 (6.67%) Oracle Fusion
16 24 (6.40%) jQuery
17 21 (5.60%) ActiveMQ
Miscellaneous
1 35 (9.33%) User Experience
2 28 (7.47%) Mobile App
3 21 (5.60%) Analytical Skills
4 18 (4.80%) Enterprise Software
5 16 (4.27%) Data Structures
6 13 (3.47%) Virtual Team
7 10 (2.67%) Credit Risk
8 9 (2.40%) Foreign Exchange (FX)
9 7 (1.87%) Mobile Payment
10 6 (1.60%) Linux Command Line
10 6 (1.60%) Video\Live Streaming
11 5 (1.33%) Cloud Native
11 5 (1.33%) Management Information System
11 5 (1.33%) Public Cloud
11 5 (1.33%) Video on Demand
12 4 (1.07%) Data Centre
12 4 (1.07%) Video Conferencing
13 3 (0.80%) Client/Server
13 3 (0.80%) Self-Motivation
13 3 (0.80%) Web 2.0
Operating Systems
1 67 (17.87%) Linux
2 55 (14.67%) Windows
3 19 (5.07%) Android
4 16 (4.27%) Apple iOS
5 10 (2.67%) Unix
5 10 (2.67%) Windows Server
6 7 (1.87%) Red Hat Enterprise Linux
7 5 (1.33%) CentOS
8 4 (1.07%) Mac OS
8 4 (1.07%) Windows 10
8 4 (1.07%) Windows Server 2012
9 2 (0.53%) Windows Server 2016
9 2 (0.53%) Windows Server 2019
10 1 (0.27%) Debian
10 1 (0.27%) Ubuntu
Processes & Methodologies
1 166 (44.27%) Agile Software Development
2 74 (19.73%) DevOps
3 56 (14.93%) Microservices
4 50 (13.33%) Continuous Integration
5 49 (13.07%) TDD
6 46 (12.27%) Scrum
7 44 (11.73%) Test Automation
8 42 (11.20%) Waterfall
9 41 (10.93%) SOA
10 35 (9.33%) BDD
10 35 (9.33%) Software Engineering
11 33 (8.80%) Kanban
12 29 (7.73%) SDLC
12 29 (7.73%) Unit Testing
13 26 (6.93%) Open Source
14 25 (6.67%) Analytics
14 25 (6.67%) Business Intelligence
14 25 (6.67%) Web Development
15 24 (6.40%) API Development
16 23 (6.13%) Problem-Solving
Programming Languages
1 157 (41.87%) Java
2 132 (35.20%) SQL
3 116 (30.93%) JavaScript
4 65 (17.33%) Python
5 57 (15.20%) C#
5 57 (15.20%) PL/SQL
6 37 (9.87%) T-SQL
7 29 (7.73%) PowerShell
8 23 (6.13%) Bash Shell
9 22 (5.87%) Groovy
10 21 (5.60%) Ruby
11 20 (5.33%) Kotlin
12 17 (4.53%) Java 8
13 16 (4.27%) PHP
14 13 (3.47%) Apple Swift
15 12 (3.20%) Go
15 12 (3.20%) Shell Script
16 10 (2.67%) Scala
17 9 (2.40%) Perl
18 8 (2.13%) C
Qualifications
1 74 (19.73%) Security Cleared
2 65 (17.33%) SC Cleared
3 31 (8.27%) Degree
4 9 (2.40%) Computer Science Degree
5 8 (2.13%) DV Cleared
6 6 (1.60%) ISTQB
7 4 (1.07%) Cisco Certification
8 2 (0.53%) BPSS Clearance
8 2 (0.53%) CTC Cleared
9 1 (0.27%) AWS Certification
9 1 (0.27%) Master's Degree
9 1 (0.27%) PhD
9 1 (0.27%) TOGAF Certification
Quality Assurance & Compliance
1 18 (4.80%) QA
2 6 (1.60%) Data Quality
3 3 (0.80%) ISO 20022
4 2 (0.53%) MiFID
4 2 (0.53%) PCI DSS
5 1 (0.27%) Disclosure Scotland
5 1 (0.27%) HIPAA
5 1 (0.27%) HL7
5 1 (0.27%) PSD2
System Software
1 42 (11.20%) Docker
2 9 (2.40%) Active Directory
3 2 (0.53%) LXC
3 2 (0.53%) VMware Infrastructure
3 2 (0.53%) VMware NSX
3 2 (0.53%) vSphere
4 1 (0.27%) Oracle Clusterware
4 1 (0.27%) Oracle RAC
Systems Management
1 39 (10.40%) Kubernetes
2 24 (6.40%) Terraform
3 9 (2.40%) Ansible
4 6 (1.60%) logstash
5 3 (0.80%) Jamf Pro
5 3 (0.80%) Norton AntiVirus
5 3 (0.80%) PowerCLI
5 3 (0.80%) Symantec Endpoint Protection
6 2 (0.53%) FortiGate
6 2 (0.53%) Hadoop YARN
6 2 (0.53%) Istio
6 2 (0.53%) Oozie
6 2 (0.53%) Rancher
7 1 (0.27%) Control-M
7 1 (0.27%) Grafana
7 1 (0.27%) Kibana
7 1 (0.27%) Marathon
7 1 (0.27%) Mesos
7 1 (0.27%) MIIS
7 1 (0.27%) Oracle Flashback
Vendors
1 79 (21.07%) Oracle
2 51 (13.60%) Microsoft
3 31 (8.27%) Google
3 31 (8.27%) MuleSoft
4 28 (7.47%) Red Hat
5 27 (7.20%) Axway
6 20 (5.33%) Sybase
7 16 (4.27%) Salesforce.com
8 14 (3.73%) Tableau
9 12 (3.20%) IBM
10 11 (2.93%) webMethods
11 10 (2.67%) Atlassian
11 10 (2.67%) Dell
12 9 (2.40%) Cisco
12 9 (2.40%) Jitterbit
13 8 (2.13%) Splunk
13 8 (2.13%) VMware
14 7 (1.87%) AppDynamics
14 7 (1.87%) Fiorano
14 7 (1.87%) TIBCO