JSON Contracts in England

JSON
UK > England

The table below provides summary statistics for contract job vacancies advertised in England requiring JSON skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited JSON over the 6 months leading up to 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 277 221 205
Rank change year-on-year -56 -16 -25
Contract jobs citing JSON 218 395 659
As % of all contract jobs advertised in England 0.90% 1.06% 1.31%
As % of the Libraries, Frameworks & Software Standards category 4.00% 5.26% 5.64%
Number of daily rates quoted 173 290 479
10th Percentile £378 £406 £413
25th Percentile £448 £463 £463
Median daily rate (50th Percentile) £510 £538 £550
Median % change year-on-year -5.12% -2.27% -
75th Percentile £600 £600 £700
90th Percentile £675 £675 £806
UK median daily rate £500 £538 £525
% change year-on-year -6.98% +2.38% -4.55%
Number of hourly rates quoted 2 5 14
10th Percentile - - -
25th Percentile £91.25 £70.00 £70.00
Median hourly rate £92.50 £80.00 £72.50
Median % change year-on-year +15.63% +10.34% +137.70%
75th Percentile £93.75 £85.00 £75.00
90th Percentile - - -
UK median hourly rate £92.50 £80.00 £72.50
% change year-on-year +15.63% +10.34% +60.61%

All Software Libraries and Frameworks
England

JSON falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring technical specification, industry standards, software libraries and framework skills in England.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 5,454 7,511 11,676
As % of all contract IT jobs advertised in England 22.39% 20.19% 23.14%
Number of daily rates quoted 3,783 5,341 8,633
10th Percentile £368 £350 £400
25th Percentile £425 £430 £463
Median daily rate (50th Percentile) £530 £550 £563
Median % change year-on-year -3.64% -2.22% -
75th Percentile £669 £675 £688
90th Percentile £800 £775 £798
UK median daily rate £525 £530 £550
% change year-on-year -0.94% -3.64% -
Number of hourly rates quoted 100 218 138
10th Percentile £30.13 £22.27 £28.73
25th Percentile £51.25 £43.00 £48.88
Median hourly rate £65.00 £46.18 £65.00
Median % change year-on-year +40.75% -28.95% +32.65%
75th Percentile £68.19 £65.00 £75.00
90th Percentile £82.19 £75.00 £80.08
UK median hourly rate £65.00 £46.18 £65.00
% change year-on-year +40.75% -28.95% +32.65%

JSON
Job Vacancy Trend in England

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

Job vacancy trend for JSON in England

JSON
Contractor Daily Rate Trend in England

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

Daily rate trend for JSON in England

JSON
Daily Rate Histogram in England

Daily rate distribution for jobs citing JSON in England over the 6 months to 1 May 2025.

Daily rate histogram for JSON in England

JSON
Contractor Hourly Rate Trend in England

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

Hourly rate trend for JSON in England

JSON
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the England region over the 6 months to 1 May 2025. 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
Jobs
London -52 129 £535 -0.56% 121
South East +51 39 £500 -2.44% 58
North of England -9 22 £447 -16.29% 47
North West +6 17 £447 -16.29% 28
Midlands +14 11 £563 -2.51% 17
West Midlands +8 7 £575 -1.08% 8
Yorkshire -2 5 £575 -7.78% 16
East of England +25 4 £300 -42.58% 29
East Midlands +8 4 £367 -36.40% 8
South West +26 1 £375 -30.23% 16
JSON
UK

JSON
Co-occurring Skills and Capabilities in England by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 14 (6.42%) Confluence
2 13 (5.96%) Apache Spark
3 11 (5.05%) Apache
4 8 (3.67%) Anypoint
5 6 (2.75%) Jupyter
5 6 (2.75%) Mule
5 6 (2.75%) SharePoint
6 5 (2.29%) Moodle
6 5 (2.29%) Mule ESB
7 4 (1.83%) Oracle SOA Suite
8 3 (1.38%) CICS
8 3 (1.38%) WebSphere
9 2 (0.92%) Apache Solr
9 2 (0.92%) BizTalk Server
9 2 (0.92%) Oracle Workflow
9 2 (0.92%) WebLogic
10 1 (0.46%) Cloud Foundry
10 1 (0.46%) CMS
10 1 (0.46%) IIS
10 1 (0.46%) MQSeries
Applications
1 6 (2.75%) MS Visio
2 3 (1.38%) Microsoft PowerPoint
3 2 (0.92%) Microsoft Excel
Business Applications
1 12 (5.50%) Dynamics CRM
2 2 (0.92%) Sparx Enterprise Architect
3 1 (0.46%) Actimize
3 1 (0.46%) BASE24
3 1 (0.46%) FastStats
3 1 (0.46%) SAP S/4HANA
Cloud Services
1 72 (33.03%) Azure
2 41 (18.81%) AWS
2 41 (18.81%) Serverless
3 37 (16.97%) Power Platform
4 26 (11.93%) Azure DevOps
5 21 (9.63%) GitHub
6 18 (8.26%) AWS Lambda
6 18 (8.26%) Dynamics 365
7 17 (7.80%) PowerApps
8 16 (7.34%) Power Automate
9 15 (6.88%) Azure Logic Apps
10 12 (5.50%) Azure Monitor
11 10 (4.59%) Azure Functions
12 9 (4.13%) Azure AKS
13 8 (3.67%) Azure Sentinel
14 7 (3.21%) Amazon ECS
14 7 (3.21%) GCP
15 6 (2.75%) AWS CloudFormation
15 6 (2.75%) Azure Data Factory
16 5 (2.29%) AWS Step Functions
Communications & Networking
1 17 (7.80%) HTTP
2 9 (4.13%) SSH
3 8 (3.67%) SMTP
3 8 (3.67%) SSL
4 7 (3.21%) VPN
5 6 (2.75%) BGP
6 5 (2.29%) POP3
7 4 (1.83%) DNS
7 4 (1.83%) Firewall
7 4 (1.83%) FTP
7 4 (1.83%) Modbus
7 4 (1.83%) MQTT
7 4 (1.83%) Network Security
7 4 (1.83%) WAN
7 4 (1.83%) Wireshark
8 3 (1.38%) Cisco ASA
8 3 (1.38%) Cisco Nexus
8 3 (1.38%) Remote Desktop
8 3 (1.38%) SNMP
8 3 (1.38%) TCP/IP
Database & Business Intelligence
1 32 (14.68%) SQL Server
2 27 (12.39%) PostgreSQL
3 25 (11.47%) NoSQL
4 24 (11.01%) Relational Database
5 20 (9.17%) MongoDB
6 16 (7.34%) Power BI
7 15 (6.88%) RDBMS
7 15 (6.88%) SQL Server Reporting Services
8 12 (5.50%) Azure SQL Database
8 12 (5.50%) Parquet
9 11 (5.05%) Delta Lake
10 10 (4.59%) Data Lake
10 10 (4.59%) MySQL
10 10 (4.59%) Oracle Reports
11 9 (4.13%) DynamoDB
12 8 (3.67%) Apache Hive
13 7 (3.21%) Hadoop
14 5 (2.29%) Amazon RDS
14 5 (2.29%) Data Warehouse
15 4 (1.83%) DB2
Development Applications
1 42 (19.27%) Git
2 24 (11.01%) JIRA
3 20 (9.17%) GitLab
4 12 (5.50%) Jenkins
5 11 (5.05%) Postman
6 9 (4.13%) Selenium
7 6 (2.75%) JUnit
7 6 (2.75%) RStudio
7 6 (2.75%) Visual Studio
8 5 (2.29%) git-flow
8 5 (2.29%) Maven
8 5 (2.29%) PHPUnit
8 5 (2.29%) Sonatype Nexus
9 4 (1.83%) Bitbucket
9 4 (1.83%) Cucumber
9 4 (1.83%) JMeter
9 4 (1.83%) MSI
9 4 (1.83%) NUnit
9 4 (1.83%) SoapUI
9 4 (1.83%) WebDriver
General
1 48 (22.02%) Social Skills
2 31 (14.22%) Banking
3 27 (12.39%) Finance
4 26 (11.93%) Analytical Skills
5 17 (7.80%) Public Sector
6 9 (4.13%) Telecoms
7 7 (3.21%) Presentation Skills
8 6 (2.75%) Documentation Skills
8 6 (2.75%) Marketing
9 5 (2.29%) Billing
9 5 (2.29%) Investment Banking
10 3 (1.38%) Retail Banking
11 2 (0.92%) Financial Institution
11 2 (0.92%) Front Office
11 2 (0.92%) General Ledger
12 1 (0.46%) Corporate Banking
12 1 (0.46%) Law
12 1 (0.46%) Legal
12 1 (0.46%) Publishing
12 1 (0.46%) Retail
Job Titles
1 77 (35.32%) Developer
2 24 (11.01%) Architect
3 23 (10.55%) Senior
4 17 (7.80%) Data Engineer
5 16 (7.34%) Lead
5 16 (7.34%) Senior Developer
6 13 (5.96%) DBA
7 12 (5.50%) Solutions Architect
8 11 (5.05%) Analyst
9 9 (4.13%) PostgreSQL DBA
10 8 (3.67%) Java Developer
10 8 (3.67%) Lead Developer
10 8 (3.67%) MuleSoft Developer
10 8 (3.67%) Network Engineer
10 8 (3.67%) ServiceNow Developer
11 7 (3.21%) Administrator
11 7 (3.21%) Business Analyst
11 7 (3.21%) CRM Architect
11 7 (3.21%) Designer
11 7 (3.21%) Software Engineer
Libraries, Frameworks & Software Standards
1 104 (47.71%) XML
2 65 (29.82%) REST
3 45 (20.64%) Web Services
4 42 (19.27%) HTML
4 42 (19.27%) SOAP
5 41 (18.81%) .NET
6 34 (15.60%) CSS
7 33 (15.14%) RESTful
8 22 (10.09%) React
9 21 (9.63%) AngularJS
9 21 (9.63%) Kafka
10 18 (8.26%) YAML
11 17 (7.80%) .NET Framework
12 15 (6.88%) ASP.NET Web API
13 14 (6.42%) HTML5 Canvas
13 14 (6.42%) WCF
14 13 (5.96%) Node.js
14 13 (5.96%) OAuth
15 10 (4.59%) LDAP
15 10 (4.59%) WebSockets
Miscellaneous
1 15 (6.88%) Data Structures
2 13 (5.96%) Product Ownership
3 11 (5.05%) Onboarding
4 10 (4.59%) Distributed Systems
4 10 (4.59%) Reference Data
5 8 (3.67%) Linux Command Line
6 6 (2.75%) CSOC
7 5 (2.29%) Cloud Native
7 5 (2.29%) Cyber Threat
7 5 (2.29%) e-Learning
7 5 (2.29%) Enterprise Software
7 5 (2.29%) Frameworx
7 5 (2.29%) Greenfield Project
7 5 (2.29%) TM Forum
7 5 (2.29%) VLE
8 4 (1.83%) Data Centre
8 4 (1.83%) IoT
8 4 (1.83%) Replication
9 3 (1.38%) Virtual Team
10 2 (0.92%) Analytical Mindset
Operating Systems
1 14 (6.42%) Linux
2 7 (3.21%) Unix
3 3 (1.38%) Android
4 2 (0.92%) Apple iOS
4 2 (0.92%) CentOS
4 2 (0.92%) Windows
5 1 (0.46%) Windows Server
5 1 (0.46%) zOS
Processes & Methodologies
1 85 (38.99%) Agile
2 57 (26.15%) DevOps
3 48 (22.02%) CI/CD
4 43 (19.72%) Problem-Solving
5 31 (14.22%) Scrum
6 24 (11.01%) Mentoring
7 23 (10.55%) Software Engineering
7 23 (10.55%) Test Automation
8 21 (9.63%) API Management
9 20 (9.17%) Data Modelling
9 20 (9.17%) Microservices
10 18 (8.26%) Migration
11 17 (7.80%) CRM
12 16 (7.34%) Workflow
13 15 (6.88%) Data Ingestion
13 15 (6.88%) Infrastructure as Code
14 14 (6.42%) API Development
14 14 (6.42%) Database Security
14 14 (6.42%) ETL
14 14 (6.42%) Full-Stack Development
Programming Languages
1 80 (36.70%) SQL
2 76 (34.86%) JavaScript
3 57 (26.15%) Python
4 39 (17.89%) C#
5 32 (14.68%) Java
6 22 (10.09%) TypeScript
7 20 (9.17%) PowerShell
8 13 (5.96%) Bash
8 13 (5.96%) Scala
9 10 (4.59%) Bicep
10 9 (4.13%) Kusto Query Language
11 7 (3.21%) PHP
12 6 (2.75%) Perl
12 6 (2.75%) Shell Script
12 6 (2.75%) T-SQL
13 5 (2.29%) DataWeave
14 4 (1.83%) XPath
15 3 (1.38%) COBOL
15 3 (1.38%) Groovy
16 2 (0.92%) PL/SQL
Qualifications
1 31 (14.22%) Security Cleared
2 27 (12.39%) SC Cleared
3 12 (5.50%) Degree
4 6 (2.75%) GIAC
5 5 (2.29%) SANS
6 2 (0.92%) Azure Certification
6 2 (0.92%) Computer Science Degree
6 2 (0.92%) OCP
6 2 (0.92%) Oracle Certification
6 2 (0.92%) Sun Certification
7 1 (0.46%) AWS Certification
7 1 (0.46%) BPSS Clearance
7 1 (0.46%) CCNP
7 1 (0.46%) Cisco Certification
7 1 (0.46%) DV Cleared
7 1 (0.46%) JNCIP
7 1 (0.46%) Microsoft Certification
Quality Assurance & Compliance
1 15 (6.88%) QA
2 11 (5.05%) Data Quality
3 9 (4.13%) GDPR
4 3 (1.38%) SEPA
4 3 (1.38%) SLA
5 2 (0.92%) Accessibility
5 2 (0.92%) DICOM
5 2 (0.92%) HL7
5 2 (0.92%) ISO/IEC 20000
6 1 (0.46%) ISO 8583
6 1 (0.46%) PSD2
6 1 (0.46%) WCAG
System Software
1 22 (10.09%) Docker
2 12 (5.50%) Active Directory
3 3 (1.38%) FreeRADIUS
3 3 (1.38%) iptables
4 1 (0.46%) XYGATE
Systems Management
1 18 (8.26%) Kubernetes
2 12 (5.50%) Grafana
3 11 (5.05%) Single Sign-On
4 9 (4.13%) Terraform
5 6 (2.75%) CloudHub
5 6 (2.75%) Prometheus
6 5 (2.29%) Ansible
7 4 (1.83%) Nagios
8 3 (1.38%) Cacti
8 3 (1.38%) Netcool
8 3 (1.38%) Proxmox
8 3 (1.38%) Puppet
8 3 (1.38%) ZABBIX
9 2 (0.92%) Kibana
10 1 (0.46%) Apache Ranger
10 1 (0.46%) CA Endevor
10 1 (0.46%) Graylog
10 1 (0.46%) logstash
10 1 (0.46%) Progress Chef
10 1 (0.46%) SCOM
Vendors
1 38 (17.43%) Microsoft
2 32 (14.68%) Oracle
3 23 (10.55%) ServiceNow
4 12 (5.50%) Databricks
5 9 (4.13%) Cisco
5 9 (4.13%) SAP
6 8 (3.67%) MuleSoft
7 7 (3.21%) Salesforce
8 6 (2.75%) Splunk
9 4 (1.83%) OpenText
9 4 (1.83%) Palo Alto
9 4 (1.83%) Qualtrics
10 3 (1.38%) Coverity
10 3 (1.38%) Dynatrace
10 3 (1.38%) F5
10 3 (1.38%) IBM
10 3 (1.38%) Nokia
10 3 (1.38%) Veracode
10 3 (1.38%) VMware
11 2 (0.92%) Cloudera