JSON Contract Job Trends in England

JSON
UK > England

The table below provides summary statistics and contractor rates for jobs advertised in England requiring JSON skills. It covers contract job vacancies from the 6 months leading up to 7 November 2025, with comparisons to the same periods in the previous two years.

6 months to
7 Nov 2025
Same period 2024 Same period 2023
Rank 208 273 208
Rank change year-on-year +65 -65 -18
Contract jobs citing JSON 402 260 470
As % of all contract jobs in England 1.35% 0.83% 1.18%
As % of the Libraries, Frameworks & Software Standards category 5.91% 3.82% 5.35%
Number of daily rates quoted 289 170 347
10th Percentile £357 £384 £375
25th Percentile £413 £451 £457
Median daily rate (50th Percentile) £520 £525 £535
Median % change year-on-year -0.95% -1.87% -2.73%
75th Percentile £623 £588 £600
90th Percentile £768 £675 £700
UK median daily rate £515 £525 £535
% change year-on-year -1.90% -1.87% -2.73%
Number of hourly rates quoted 6 1 14
10th Percentile - - £50.63
25th Percentile £31.25 - £59.69
Median hourly rate £37.50 £40.00 £70.00
Median % change year-on-year -6.25% -42.86% -6.67%
75th Percentile £43.75 - £76.56
90th Percentile £76.88 - £80.50
UK median hourly rate £37.50 £40.00 £70.00
% change year-on-year -6.25% -42.86% -6.67%

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 6,797 6,813 8,793
As % of all contract IT jobs advertised in England 22.85% 21.79% 22.14%
Number of daily rates quoted 4,601 4,345 6,437
10th Percentile £350 £356 £375
25th Percentile £413 £431 £450
Median daily rate (50th Percentile) £510 £550 £550
Median % change year-on-year -7.27% - -4.35%
75th Percentile £638 £663 £675
90th Percentile £733 £800 £775
UK median daily rate £505 £543 £550
% change year-on-year -6.91% -1.36% -4.35%
Number of hourly rates quoted 172 102 176
10th Percentile £30.08 £27.00 £37.65
25th Percentile £42.50 £46.18 £46.18
Median hourly rate £55.00 £65.00 £55.00
Median % change year-on-year -15.38% +18.18% -15.38%
75th Percentile £65.00 £70.00 £70.00
90th Percentile £76.25 £74.00 £78.00
UK median hourly rate £54.00 £65.00 £55.00
% change year-on-year -16.92% +18.18% -15.38%

JSON
Job Vacancy Trend in England

Historical trend showing the proportion of contract IT job postings citing JSON relative to all contract IT jobs advertised in England.

JSON job vacancy trend in England

JSON
Daily Rate Trend in England

Contractor daily rate distribution trend for jobs in England citing JSON.

Contractor daily rate distribution trend for jobs in England citing JSON

JSON
Daily Rate Histogram in England

Daily rate distribution for jobs citing JSON in England over the 6 months to 7 November 2025.

Daily rate histogram for JSON in England

JSON
Hourly Rate Trend in England

Contractor hourly rate distribution trend for jobs in England citing JSON.

Contractor hourly rate distribution trend for jobs in England citing JSON

JSON
Hourly Rate Histogram in England

Hourly rate distribution of jobs citing JSON in England over the 6 months to 7 November 2025.

Hourly rate histogram 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 7 November 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 +64 212 £550 - 176
North of England -3 70 £425 -13.92% 79
North West 0 40 £421 -3.16% 61
South East +4 31 £488 -8.88% 126
Yorkshire -23 30 £468 -17.54% 14
Midlands -20 27 £450 -10.00% 27
West Midlands -25 24 £525 +5.00% 10
East of England -2 18 £475 +31.03% 26
South West +4 11 £400 -2.44% 11
East Midlands -22 3 £360 -15.29% 16
JSON
UK

JSON
Co-Occurring Skills & Capabilities in England by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 30 (7.46%) Confluence
2 13 (3.23%) Apache
3 11 (2.74%) WebLogic
4 9 (2.24%) JBoss
4 9 (2.24%) SharePoint
5 7 (1.74%) Appian
6 6 (1.49%) nginx
7 5 (1.24%) Mule
7 5 (1.24%) Tomcat
8 4 (1.00%) Anypoint
8 4 (1.00%) MQSeries
8 4 (1.00%) OpenStack
9 3 (0.75%) Mule ESB
10 2 (0.50%) IIS
10 2 (0.50%) Microsoft Exchange
10 2 (0.50%) Moodle
10 2 (0.50%) Oracle SOA Suite
11 1 (0.25%) CICS
11 1 (0.25%) Oracle Service Bus
11 1 (0.25%) Tuxedo
Applications
1 14 (3.48%) Microsoft Excel
2 2 (0.50%) Chatbot
3 1 (0.25%) Trello
Business Applications
1 13 (3.23%) Remedy ITSM
2 6 (1.49%) Oracle ERP
3 5 (1.24%) Maximo
4 4 (1.00%) Endur
5 3 (0.75%) Dynamics CRM
6 2 (0.50%) SAP S/4HANA
7 1 (0.25%) Aladdin
7 1 (0.25%) Cerner Millennium
7 1 (0.25%) Exchequer
7 1 (0.25%) NetSuite
7 1 (0.25%) Oracle BPM
7 1 (0.25%) Salesforce CRM
7 1 (0.25%) SAP MDG
7 1 (0.25%) SAP MRS
7 1 (0.25%) SAP PM
Cloud Services
1 123 (30.60%) Azure
2 85 (21.14%) AWS
3 42 (10.45%) GitHub
4 35 (8.71%) Azure DevOps
5 29 (7.21%) Power Platform
6 28 (6.97%) GCP
7 24 (5.97%) Serverless
8 23 (5.72%) Azure Logic Apps
8 23 (5.72%) IaaS
9 22 (5.47%) SaaS
10 20 (4.98%) Azure AKS
11 19 (4.73%) Entra ID
11 19 (4.73%) Microsoft 365
11 19 (4.73%) Power Automate
12 18 (4.48%) PowerApps
13 17 (4.23%) GitHub Actions
14 15 (3.73%) Amazon EKS
15 14 (3.48%) AWS CloudFormation
16 13 (3.23%) AWS Lambda
16 13 (3.23%) Azure Service Bus
Communications & Networking
1 26 (6.47%) HTTPS
2 21 (5.22%) SSL
3 20 (4.98%) HTTP
4 15 (3.73%) Firewall
5 9 (2.24%) NFC
5 9 (2.24%) PPP
6 8 (1.99%) VPN
7 6 (1.49%) DNS
8 5 (1.24%) BGP
9 4 (1.00%) MPLS
10 2 (0.50%) DHCP
10 2 (0.50%) Ethernet VPN
10 2 (0.50%) LAN
10 2 (0.50%) SMS
11 1 (0.25%) 5G
11 1 (0.25%) F5 BIG-IP GTM
11 1 (0.25%) F5 BIG-IP LTM
11 1 (0.25%) Radio Access Network
11 1 (0.25%) TCP/IP
11 1 (0.25%) WAN
Database & Business Intelligence
1 26 (6.47%) SQL Server
2 21 (5.22%) MongoDB
2 21 (5.22%) Relational Database
3 18 (4.48%) PostgreSQL
4 17 (4.23%) Power BI
5 8 (1.99%) Big Data
5 8 (1.99%) Data Lake
5 8 (1.99%) Elasticsearch
5 8 (1.99%) MySQL
5 8 (1.99%) Oracle Database
6 7 (1.74%) Azure SQL Database
7 6 (1.49%) Apache Cassandra
7 6 (1.49%) NoSQL
7 6 (1.49%) SQL Server Integration Services
8 5 (1.24%) HPCC
8 5 (1.24%) Metadata
9 4 (1.00%) Amazon RDS
9 4 (1.00%) Parquet
9 4 (1.00%) Redis
10 3 (0.75%) Delta Lake
Development Applications
1 82 (20.40%) Git
2 48 (11.94%) JIRA
3 41 (10.20%) Selenium
4 35 (8.71%) Postman
5 33 (8.21%) Jenkins
5 33 (8.21%) JUnit
6 28 (6.97%) GitLab
7 25 (6.22%) Cucumber
8 19 (4.73%) Eclipse
9 18 (4.48%) Maven
9 18 (4.48%) SonarQube
10 14 (3.48%) Cypress.io
10 14 (3.48%) Gradle
11 10 (2.49%) Bitbucket
12 9 (2.24%) IntelliJ
12 9 (2.24%) Valgrind
13 8 (1.99%) Robot Framework
14 6 (1.49%) Grunt
14 6 (1.49%) gulp
14 6 (1.49%) Mockito
General
1 104 (25.87%) Social Skills
2 68 (16.92%) Analytical Skills
3 63 (15.67%) Finance
4 53 (13.18%) Public Sector
5 28 (6.97%) Banking
6 11 (2.74%) Telecoms
7 10 (2.49%) Documentation Skills
8 8 (1.99%) Influencing Skills
9 7 (1.74%) Marketing
10 5 (1.24%) Automotive
10 5 (1.24%) Back Office
10 5 (1.24%) Digital Healthcare
10 5 (1.24%) Investment Banking
11 4 (1.00%) Manufacturing
12 3 (0.75%) Corporate Banking
12 3 (0.75%) Financial Institution
12 3 (0.75%) Inclusion and Diversity
12 3 (0.75%) Military
12 3 (0.75%) Retail
13 2 (0.50%) Tech for Good
Job Titles
1 162 (40.30%) Developer
2 56 (13.93%) Architect
3 53 (13.18%) Senior
4 29 (7.21%) Software Engineer
5 27 (6.72%) Java Developer
6 23 (5.72%) Senior Developer
7 22 (5.47%) Analyst
8 13 (3.23%) Business Analyst
8 13 (3.23%) Integration Developer
8 13 (3.23%) Lead
9 12 (2.99%) Data Engineer
9 12 (2.99%) Development Engineer
9 12 (2.99%) webMethods Developer
10 11 (2.74%) Consultant
10 11 (2.74%) Java Engineer
10 11 (2.74%) Software Development Engineer
11 10 (2.49%) DevOps Engineer
11 10 (2.49%) Linux Engineer
11 10 (2.49%) Senior Software Engineer
11 10 (2.49%) ServiceNow Architect
Libraries, Frameworks & Software Standards
1 182 (45.27%) REST
1 182 (45.27%) XML
2 97 (24.13%) HTML
3 87 (21.64%) SOAP
4 59 (14.68%) RESTful
5 50 (12.44%) OAuth
6 45 (11.19%) CSS
7 44 (10.95%) React
7 44 (10.95%) Spring
8 43 (10.70%) Web Services
9 40 (9.95%) AngularJS
10 33 (8.21%) HTML5
11 29 (7.21%) jQuery
12 28 (6.97%) Spring Boot
13 26 (6.47%) OAuth2
14 22 (5.47%) JDBC
15 20 (4.98%) SAML
16 18 (4.48%) .NET
16 18 (4.48%) Kafka
17 17 (4.23%) Hibernate
Miscellaneous
1 21 (5.22%) Cloud Native
1 21 (5.22%) PKI
1 21 (5.22%) Self-Motivation
2 19 (4.73%) Mobile App
2 19 (4.73%) Product Ownership
3 13 (3.23%) Onboarding
4 12 (2.99%) Distributed Systems
4 12 (2.99%) Low-Code
5 10 (2.49%) Analytical Mindset
5 10 (2.49%) Data Structures
6 9 (2.24%) Replication
6 9 (2.24%) Smartcard
7 7 (1.74%) Data Protection Act
7 7 (1.74%) Hybrid Cloud
7 7 (1.74%) Legacy Systems
8 5 (1.24%) Foreign Exchange (FX)
8 5 (1.24%) Virtual Team
9 4 (1.00%) Grid Computing
9 4 (1.00%) Management Information System
9 4 (1.00%) Private Cloud
Operating Systems
1 48 (11.94%) Linux
2 23 (5.72%) Unix
3 13 (3.23%) Windows
4 10 (2.49%) Apple iOS
4 10 (2.49%) Ubuntu
5 8 (1.99%) Android
6 6 (1.49%) Red Hat Enterprise Linux
7 2 (0.50%) CentOS
7 2 (0.50%) Mac OS
7 2 (0.50%) Windows Server
8 1 (0.25%) Alpine Linux
8 1 (0.25%) tvOS
8 1 (0.25%) zOS
Processes & Methodologies
1 173 (43.03%) Agile
2 169 (42.04%) DevOps
3 139 (34.58%) CI/CD
4 83 (20.65%) Problem-Solving
5 77 (19.15%) Microservices
6 61 (15.17%) Test Automation
7 60 (14.93%) Scrum
8 53 (13.18%) Software Engineering
9 44 (10.95%) Containerisation
10 41 (10.20%) Deployment Automation
11 39 (9.70%) Validation
12 37 (9.20%) Integration Patterns
13 34 (8.46%) Infrastructure as Code
14 31 (7.71%) Data Modelling
14 31 (7.71%) Migration
14 31 (7.71%) Stakeholder Management
15 30 (7.46%) Continuous Improvement
16 29 (7.21%) Configuration Management
17 28 (6.97%) Full-Stack Development
18 27 (6.72%) ETL
Programming Languages
1 123 (30.60%) Java
2 106 (26.37%) JavaScript
2 106 (26.37%) SQL
3 85 (21.14%) Python
4 52 (12.94%) PowerShell
5 47 (11.69%) C#
6 19 (4.73%) C++
6 19 (4.73%) TypeScript
7 13 (3.23%) T-SQL
8 11 (2.74%) PL/SQL
9 10 (2.49%) Scala
10 8 (1.99%) C
11 6 (1.49%) Bash
11 6 (1.49%) Groovy
11 6 (1.49%) VBA
12 5 (1.24%) Kotlin
12 5 (1.24%) Shell Script
12 5 (1.24%) Swift
13 4 (1.00%) Kusto Query Language
13 4 (1.00%) Objective-C
Qualifications
1 117 (29.10%) Security Cleared
2 92 (22.89%) SC Cleared
3 34 (8.46%) Degree
4 22 (5.47%) Computer Science Degree
5 16 (3.98%) BPSS Clearance
6 9 (2.24%) Microsoft Certification
7 8 (1.99%) Azure Certification
8 7 (1.74%) DV Cleared
9 4 (1.00%) CTC Cleared
9 4 (1.00%) ISTQB
9 4 (1.00%) ISTQB Foundation Certification
10 3 (0.75%) CEH
10 3 (0.75%) GIAC
10 3 (0.75%) GWAPT
11 2 (0.50%) CCNP
11 2 (0.50%) Cisco Certification
11 2 (0.50%) CISSP
11 2 (0.50%) GCIH
11 2 (0.50%) OCP
11 2 (0.50%) Oracle Certification
Quality Assurance & Compliance
1 26 (6.47%) Accessibility
2 20 (4.98%) QA
3 9 (2.24%) Data Quality
3 9 (2.24%) WCAG
4 3 (0.75%) GDPR
4 3 (0.75%) NIST
4 3 (0.75%) SEPA
5 2 (0.50%) California Consumer Privacy Act
5 2 (0.50%) HL7
6 1 (0.25%) 21 CFR Part 11
6 1 (0.25%) EMIR
6 1 (0.25%) GxP
6 1 (0.25%) HMG Security Policy Framework
6 1 (0.25%) ISO 15022
6 1 (0.25%) ISO 20022
6 1 (0.25%) ISO 22301
6 1 (0.25%) ISO/IEC 20000
6 1 (0.25%) ISO/IEC 27001
6 1 (0.25%) MiFID
System Software
1 68 (16.92%) Docker
2 17 (4.23%) Active Directory
3 2 (0.50%) Virtual Machines
4 1 (0.25%) iptables
4 1 (0.25%) KVM
4 1 (0.25%) Squid
4 1 (0.25%) VMware Infrastructure
Systems Management
1 46 (11.44%) Kubernetes
2 25 (6.22%) Ansible
3 22 (5.47%) Single Sign-On
3 22 (5.47%) Terraform
4 13 (3.23%) Kibana
4 13 (3.23%) Puppet
5 9 (2.24%) Grafana
6 7 (1.74%) logstash
7 5 (1.24%) ITRS Geneos
7 5 (1.24%) Podman
7 5 (1.24%) Progress Chef
8 4 (1.00%) Control-M
8 4 (1.00%) Prometheus
8 4 (1.00%) vCenter Server
9 3 (0.75%) Active Directory Federation Services
10 1 (0.25%) CA Endevor
10 1 (0.25%) CloudHub
10 1 (0.25%) FortiGate
10 1 (0.25%) HP Operations Orchestration
10 1 (0.25%) Jamf Pro
Vendors
1 56 (13.93%) Microsoft
2 47 (11.69%) Oracle
3 28 (6.97%) ServiceNow
4 23 (5.72%) SAP
5 22 (5.47%) webMethods
6 20 (4.98%) IBM
7 14 (3.48%) HP
8 13 (3.23%) BMC
8 13 (3.23%) Ivanti
8 13 (3.23%) Remedy
9 12 (2.99%) Cisco
9 12 (2.99%) Splunk
10 10 (2.49%) Salesforce
10 10 (2.49%) Software AG
11 9 (2.24%) MuleSoft
11 9 (2.24%) TIBCO
11 9 (2.24%) Workday
12 8 (1.99%) Axway
12 8 (1.99%) Dynatrace
12 8 (1.99%) OpenAI