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 vacancies from the 6 months leading up to 14 September 2025, with comparisons to the same periods in the previous two years.

6 months to
14 Sep 2025
Same period 2024 Same period 2023
Rank 236 244 209
Rank change year-on-year +8 -35 -34
Contract jobs citing JSON 307 309 524
As % of all contract jobs advertised in England 1.11% 0.94% 1.22%
As % of the Libraries, Frameworks & Software Standards category 4.99% 4.21% 5.56%
Number of daily rates quoted 216 199 387
10th Percentile £350 £400 £400
25th Percentile £409 £475 £470
Median daily rate (50th Percentile) £500 £550 £550
Median % change year-on-year -9.09% - -
75th Percentile £588 £625 £636
90th Percentile £678 £678 £775
UK median daily rate £500 £550 £550
% change year-on-year -9.09% - -
Number of hourly rates quoted 6 4 16
10th Percentile - £50.50 £61.88
25th Percentile £31.25 £66.25 £69.25
Median hourly rate £37.50 £80.00 £70.00
Median % change year-on-year -53.13% +14.29% -
75th Percentile £43.75 £85.00 £75.00
90th Percentile £76.88 - £76.88
UK median hourly rate £37.50 £80.00 £70.00
% change year-on-year -53.13% +14.29% -

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 6,149 7,340 9,417
As % of all contract IT jobs advertised in England 22.31% 22.37% 21.97%
Number of daily rates quoted 4,170 4,873 6,920
10th Percentile £350 £358 £380
25th Percentile £410 £445 £463
Median daily rate (50th Percentile) £510 £550 £550
Median % change year-on-year -7.27% - -4.35%
75th Percentile £638 £675 £677
90th Percentile £750 £820 £788
UK median daily rate £500 £550 £550
% change year-on-year -9.09% - -4.35%
Number of hourly rates quoted 159 176 164
10th Percentile £31.25 £27.38 £36.34
25th Percentile £42.75 £43.00 £46.18
Median hourly rate £54.00 £62.93 £60.00
Median % change year-on-year -14.19% +4.88% -4.00%
75th Percentile £65.00 £70.00 £73.67
90th Percentile £70.00 £74.47 £78.00
UK median hourly rate £52.50 £61.60 £60.00
% change year-on-year -14.77% +2.67% -

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
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 14 September 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 14 September 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 14 September 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 +20 166 £540 -1.82% 75
North of England +6 58 £425 -24.68% 42
South East +19 34 £475 -17.03% 37
North West +12 34 £436 +13.25% 24
Yorkshire -14 23 £406 -28.40% 13
East of England +12 15 £425 -22.73% 2
Midlands -34 14 £550 -2.05% 18
West Midlands -31 10 £575 +2.22% 14
South West +12 4 £425 -15.00% 10
East Midlands -8 4 £360 -20.00% 4
North East -5 1 £200 -66.67% 5
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 27 (8.79%) Confluence
2 10 (3.26%) Apache
3 7 (2.28%) Apache Spark
4 6 (1.95%) Mule
4 6 (1.95%) nginx
5 5 (1.63%) Anypoint
5 5 (1.63%) Moodle
5 5 (1.63%) Mule ESB
5 5 (1.63%) SharePoint
5 5 (1.63%) Tomcat
6 4 (1.30%) Appian
6 4 (1.30%) CICS
6 4 (1.30%) Jupyter
6 4 (1.30%) MQSeries
7 3 (0.98%) WebLogic
8 2 (0.65%) CMS
8 2 (0.65%) IIS
8 2 (0.65%) Microsoft Exchange
8 2 (0.65%) OpenStack
8 2 (0.65%) WebSphere
Applications
1 9 (2.93%) Microsoft Excel
2 2 (0.65%) Chatbot
2 2 (0.65%) Microsoft PowerPoint
3 1 (0.33%) MadCap Flare
3 1 (0.33%) Microsoft Office
3 1 (0.33%) MS Visio
3 1 (0.33%) Trello
Business Applications
1 13 (4.23%) Remedy ITSM
2 3 (0.98%) Dynamics CRM
2 3 (0.98%) Endur
2 3 (0.98%) Oracle ERP
3 2 (0.65%) SAP S/4HANA
4 1 (0.33%) Aladdin
4 1 (0.33%) Exchequer
4 1 (0.33%) FastStats
4 1 (0.33%) NetSuite
4 1 (0.33%) Oracle BPM
4 1 (0.33%) SAP MDG
4 1 (0.33%) SAP MRS
4 1 (0.33%) SAP PM
Cloud Services
1 107 (34.85%) Azure
2 50 (16.29%) AWS
3 36 (11.73%) Power Platform
4 29 (9.45%) Azure DevOps
5 25 (8.14%) GCP
6 24 (7.82%) GitHub
6 24 (7.82%) Serverless
7 21 (6.84%) Azure AKS
8 17 (5.54%) PowerApps
9 16 (5.21%) Azure Logic Apps
9 16 (5.21%) SaaS
10 15 (4.89%) Power Automate
11 14 (4.56%) Microsoft 365
12 13 (4.23%) Entra ID
13 12 (3.91%) Amazon EKS
13 12 (3.91%) Azure Monitor
14 11 (3.58%) AWS CloudFormation
14 11 (3.58%) Dynamics 365
14 11 (3.58%) Nutanix
15 10 (3.26%) Azure Functions
Communications & Networking
1 21 (6.84%) SSL
2 14 (4.56%) HTTP
3 13 (4.23%) Firewall
3 13 (4.23%) HTTPS
4 9 (2.93%) DNS
5 7 (2.28%) VPN
6 6 (1.95%) BGP
6 6 (1.95%) NFC
6 6 (1.95%) PPP
7 4 (1.30%) LAN
7 4 (1.30%) MPLS
7 4 (1.30%) SMTP
7 4 (1.30%) SSH
7 4 (1.30%) TCP/IP
8 3 (0.98%) Cisco ASA
8 3 (0.98%) Cisco Nexus
8 3 (0.98%) FTP
8 3 (0.98%) SMS
8 3 (0.98%) WAN
9 2 (0.65%) Multicast
Database & Business Intelligence
1 26 (8.47%) SQL Server
2 24 (7.82%) Power BI
2 24 (7.82%) Relational Database
3 21 (6.84%) PostgreSQL
4 12 (3.91%) MongoDB
5 10 (3.26%) NoSQL
6 8 (2.61%) Delta Lake
7 7 (2.28%) Azure SQL Database
7 7 (2.28%) Big Data
8 6 (1.95%) Apache Hive
8 6 (1.95%) DB2
8 6 (1.95%) Elasticsearch
8 6 (1.95%) Oracle Database
8 6 (1.95%) RDBMS
9 5 (1.63%) Data Warehouse
9 5 (1.63%) HPCC
10 4 (1.30%) MySQL
10 4 (1.30%) Redis
11 3 (0.98%) BigQuery
11 3 (0.98%) Parquet
Development Applications
1 60 (19.54%) Git
2 45 (14.66%) JIRA
3 25 (8.14%) Postman
4 22 (7.17%) Jenkins
5 19 (6.19%) GitLab
6 18 (5.86%) Selenium
7 15 (4.89%) JUnit
8 12 (3.91%) Gradle
8 12 (3.91%) SonarQube
9 9 (2.93%) Cucumber
9 9 (2.93%) Cypress.io
9 9 (2.93%) Maven
10 8 (2.61%) Eclipse
11 6 (1.95%) Grunt
11 6 (1.95%) gulp
11 6 (1.95%) Valgrind
12 5 (1.63%) JMeter
12 5 (1.63%) Robot Framework
12 5 (1.63%) Sonatype Nexus
13 4 (1.30%) Xcode
General
1 77 (25.08%) Social Skills
2 52 (16.94%) Finance
3 37 (12.05%) Public Sector
4 35 (11.40%) Analytical Skills
5 28 (9.12%) Banking
6 14 (4.56%) Telecoms
7 8 (2.61%) Documentation Skills
8 7 (2.28%) Investment Banking
9 5 (1.63%) Automotive
9 5 (1.63%) Billing
9 5 (1.63%) Digital Healthcare
9 5 (1.63%) Retail Banking
10 4 (1.30%) Back Office
10 4 (1.30%) Corporate Banking
10 4 (1.30%) Financial Institution
11 3 (0.98%) Manufacturing
11 3 (0.98%) Marketing
11 3 (0.98%) Presentation Skills
11 3 (0.98%) Retail
12 2 (0.65%) Inclusion and Diversity
Job Titles
1 123 (40.07%) Developer
2 52 (16.94%) Senior
3 30 (9.77%) Architect
4 26 (8.47%) Senior Developer
5 22 (7.17%) Software Engineer
6 19 (6.19%) Analyst
7 17 (5.54%) Java Developer
8 14 (4.56%) Business Analyst
8 14 (4.56%) Lead
9 12 (3.91%) Data Engineer
9 12 (3.91%) Full-Stack Developer
10 10 (3.26%) Azure Engineer
10 10 (3.26%) ServiceNow Architect
11 8 (2.61%) Consultant
11 8 (2.61%) Development Engineer
11 8 (2.61%) Integration Developer
11 8 (2.61%) Integration Engineer
11 8 (2.61%) Senior Architect
11 8 (2.61%) Senior Java Developer
11 8 (2.61%) UI Developer
Libraries, Frameworks & Software Standards
1 145 (47.23%) XML
2 115 (37.46%) REST
3 73 (23.78%) HTML
4 60 (19.54%) SOAP
5 54 (17.59%) RESTful
6 51 (16.61%) Web Services
7 36 (11.73%) React
8 34 (11.07%) OAuth
9 33 (10.75%) AngularJS
10 31 (10.10%) jQuery
11 30 (9.77%) CSS
12 28 (9.12%) Spring
13 22 (7.17%) HTML5
14 21 (6.84%) Spring Boot
14 21 (6.84%) YAML
15 20 (6.51%) SAML
16 17 (5.54%) .NET
16 17 (5.54%) JDBC
16 17 (5.54%) Kafka
16 17 (5.54%) OAuth2
Miscellaneous
1 18 (5.86%) Cloud Native
1 18 (5.86%) Product Ownership
2 17 (5.54%) Distributed Systems
3 14 (4.56%) Mobile App
4 11 (3.58%) Onboarding
5 10 (3.26%) Data Structures
6 8 (2.61%) Replication
7 7 (2.28%) Data Protection Act
7 7 (2.28%) Hybrid Cloud
8 6 (1.95%) Linux Command Line
8 6 (1.95%) Low-Code
8 6 (1.95%) Reference Data
8 6 (1.95%) Smartcard
9 5 (1.63%) Analytical Mindset
9 5 (1.63%) e-Learning
9 5 (1.63%) Frameworx
9 5 (1.63%) Legacy Systems
9 5 (1.63%) TM Forum
10 4 (1.30%) Enterprise Software
10 4 (1.30%) Virtual Team
Operating Systems
1 32 (10.42%) Linux
2 12 (3.91%) Unix
3 11 (3.58%) Windows
4 7 (2.28%) Red Hat Enterprise Linux
5 6 (1.95%) Apple iOS
5 6 (1.95%) Ubuntu
6 5 (1.63%) Android
7 2 (0.65%) CentOS
7 2 (0.65%) Mac OS
7 2 (0.65%) Windows Server
7 2 (0.65%) zOS
8 1 (0.33%) AIX
8 1 (0.33%) tvOS
Processes & Methodologies
1 135 (43.97%) Agile
2 121 (39.41%) DevOps
3 87 (28.34%) CI/CD
4 55 (17.92%) Microservices
5 53 (17.26%) Problem-Solving
6 48 (15.64%) Test Automation
7 45 (14.66%) Scrum
8 32 (10.42%) Software Engineering
9 28 (9.12%) ETL
10 27 (8.79%) API Development
10 27 (8.79%) Full-Stack Development
10 27 (8.79%) Infrastructure as Code
11 26 (8.47%) Integration Patterns
12 24 (7.82%) Containerisation
13 22 (7.17%) SDLC
13 22 (7.17%) Validation
14 21 (6.84%) Artificial Intelligence
14 21 (6.84%) Migration
15 20 (6.51%) Data Mapping
15 20 (6.51%) TDD
Programming Languages
1 86 (28.01%) SQL
2 85 (27.69%) Java
3 82 (26.71%) JavaScript
4 79 (25.73%) Python
5 39 (12.70%) C#
6 27 (8.79%) PowerShell
7 15 (4.89%) C++
8 12 (3.91%) Bash
9 10 (3.26%) PL/SQL
9 10 (3.26%) TypeScript
10 9 (2.93%) Scala
11 8 (2.61%) C
12 7 (2.28%) Shell Script
13 6 (1.95%) T-SQL
13 6 (1.95%) VBA
14 5 (1.63%) Kusto Query Language
15 4 (1.30%) Apex Code
15 4 (1.30%) Kotlin
15 4 (1.30%) Swift
16 3 (0.98%) SOQL
Qualifications
1 62 (20.20%) Security Cleared
2 52 (16.94%) SC Cleared
3 26 (8.47%) Degree
4 13 (4.23%) Computer Science Degree
5 10 (3.26%) BPSS Clearance
6 5 (1.63%) Azure Certification
6 5 (1.63%) Microsoft Certification
7 4 (1.30%) DV Cleared
8 2 (0.65%) CEH
8 2 (0.65%) CISSP
8 2 (0.65%) CompTIA CySA+
8 2 (0.65%) GCIH
8 2 (0.65%) GIAC
8 2 (0.65%) GWAPT
9 1 (0.33%) AWS Certification
9 1 (0.33%) Cisco Certification
9 1 (0.33%) Master's Degree
9 1 (0.33%) Network+ Certification
9 1 (0.33%) OCP
9 1 (0.33%) Oracle Certification
Quality Assurance & Compliance
1 17 (5.54%) Accessibility
2 15 (4.89%) QA
3 10 (3.26%) Data Quality
4 5 (1.63%) GDPR
5 3 (0.98%) HL7
5 3 (0.98%) SEPA
5 3 (0.98%) WCAG
6 2 (0.65%) DICOM
6 2 (0.65%) EMIR
6 2 (0.65%) MiFID
6 2 (0.65%) NIST
7 1 (0.33%) 21 CFR Part 11
7 1 (0.33%) GxP
7 1 (0.33%) HMG Security Policy Framework
7 1 (0.33%) ISO 15022
7 1 (0.33%) ISO 20022
7 1 (0.33%) ISO 22301
7 1 (0.33%) ISO/IEC 20000
7 1 (0.33%) ISO/IEC 27001
System Software
1 41 (13.36%) Docker
2 13 (4.23%) Active Directory
3 2 (0.65%) Virtual Machines
4 1 (0.33%) iptables
4 1 (0.33%) KVM
4 1 (0.33%) Squid
4 1 (0.33%) VMware Infrastructure
Systems Management
1 35 (11.40%) Kubernetes
2 21 (6.84%) Single Sign-On
3 19 (6.19%) Terraform
4 18 (5.86%) Ansible
5 7 (2.28%) Kibana
6 5 (1.63%) Grafana
6 5 (1.63%) logstash
7 4 (1.30%) Control-M
7 4 (1.30%) vCenter Server
8 3 (0.98%) CloudHub
8 3 (0.98%) ITRS Geneos
8 3 (0.98%) Podman
8 3 (0.98%) Progress Chef
8 3 (0.98%) Puppet
9 2 (0.65%) Active Directory Federation Services
9 2 (0.65%) CA Endevor
9 2 (0.65%) Prometheus
10 1 (0.33%) HP Operations Orchestration
10 1 (0.33%) OpenView
10 1 (0.33%) OPNET
Vendors
1 46 (14.98%) Microsoft
2 40 (13.03%) Oracle
3 29 (9.45%) ServiceNow
4 20 (6.51%) SAP
5 15 (4.89%) HP
6 14 (4.56%) Salesforce
7 13 (4.23%) BMC
7 13 (4.23%) Ivanti
7 13 (4.23%) Remedy
8 12 (3.91%) Cisco
8 12 (3.91%) IBM
9 10 (3.26%) Databricks
9 10 (3.26%) Dynatrace
9 10 (3.26%) Splunk
10 8 (2.61%) MuleSoft
10 8 (2.61%) webMethods
11 7 (2.28%) Red Hat
11 7 (2.28%) TIBCO
11 7 (2.28%) VMware
11 7 (2.28%) Workday