JSON Contract Job Trends in the South East

JSON
England > South East

The table below provides summary statistics and contractor rates for jobs advertised in the South East requiring JSON skills. It covers vacancies from the 6 months leading up to 25 September 2025, with comparisons to the same periods in the previous two years.

6 months to
25 Sep 2025
Same period 2024 Same period 2023
Rank 130 155 153
Rank change year-on-year +25 -2 -1
Contract jobs citing JSON 32 30 64
As % of all contract jobs advertised in the South East 0.91% 0.66% 1.16%
As % of the Libraries, Frameworks & Software Standards category 5.25% 4.21% 7.58%
Number of daily rates quoted 26 15 39
10th Percentile £370 £383 £371
25th Percentile £463 £474 £488
Median daily rate (50th Percentile) £475 £550 £550
Median % change year-on-year -13.64% - -
75th Percentile £534 £589 £588
90th Percentile £600 £678 £625
England median daily rate £500 £548 £550
% change year-on-year -8.68% -0.45% -
Number of hourly rates quoted 0 0 7
10th Percentile - - £62.75
25th Percentile - - £68.13
Median hourly rate - - £70.00
75th Percentile - - £74.38
90th Percentile - - £75.00
England median hourly rate £37.50 £80.00 £70.00
% change year-on-year -53.13% +14.29% -6.67%

All Software Libraries and Frameworks
South East

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 the South East.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 610 712 844
As % of all contract IT jobs advertised in the South East 17.38% 15.65% 15.26%
Number of daily rates quoted 417 469 564
10th Percentile £288 £323 £316
25th Percentile £368 £413 £414
Median daily rate (50th Percentile) £465 £525 £525
Median % change year-on-year -11.43% - -4.55%
75th Percentile £550 £625 £625
90th Percentile £625 £670 £700
England median daily rate £513 £550 £556
% change year-on-year -6.82% -1.12% -3.26%
Number of hourly rates quoted 17 29 43
10th Percentile £24.69 £27.00 £50.00
25th Percentile - £56.65 £55.00
Median hourly rate £50.00 £61.60 £60.00
Median % change year-on-year -18.83% +2.67% -5.14%
75th Percentile £55.00 £70.00 £73.73
90th Percentile £58.75 £74.89 £76.53
England median hourly rate £55.00 £63.36 £60.00
% change year-on-year -13.19% +5.59% -7.69%

JSON
Job Vacancy Trend in the South East

Job postings citing JSON as a proportion of all IT jobs advertised in the South East.

Job vacancy trend for JSON in the South East

JSON
Daily Rate Trend in the South East

Contractor daily rate distribution trend for jobs in the South East citing JSON.

Contractor daily rate distribution trend for jobs in the South East citing JSON

JSON
Daily Rate Histogram in the South East

Daily rate distribution for jobs citing JSON in the South East over the 6 months to 25 September 2025.

Daily rate histogram for JSON in the South East

JSON
Hourly Rate Trend in the South East

Contractor hourly rate distribution trend for jobs in the South East citing JSON.

Contractor hourly rate distribution trend for jobs in the South East citing JSON

JSON
Contract Job Locations in the South East

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the South East region over the 6 months to 25 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
Thames Valley +18 18 £500 -4.76% 26
Berkshire +16 13 £500 -8.88% 17
Surrey +9 8 £475 -18.80% 3
Hampshire +12 4 £495 -26.67% 3
Buckinghamshire +7 4 £475 - 5
West Sussex -1 2 £525 +16.67%
Oxfordshire -9 1 - - 4
JSON
England

JSON
Co-occurring Skills and Capabilities in the South East 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 2 (6.25%) Anypoint
1 2 (6.25%) Appian
1 2 (6.25%) Microsoft Exchange
1 2 (6.25%) Mule
1 2 (6.25%) Tomcat
2 1 (3.13%) CMS
2 1 (3.13%) Confluence
2 1 (3.13%) Headless CMS
2 1 (3.13%) IIS
2 1 (3.13%) Mule ESB
2 1 (3.13%) nginx
Cloud Services
1 7 (21.88%) Azure
2 6 (18.75%) AWS
2 6 (18.75%) Serverless
3 5 (15.63%) GitHub
4 4 (12.50%) Azure DevOps
5 3 (9.38%) AWS Lambda
5 3 (9.38%) SaaS
5 3 (9.38%) Salesforce Service Cloud
6 2 (6.25%) Amazon EC2
6 2 (6.25%) Amazon ECS
6 2 (6.25%) Amazon EKS
6 2 (6.25%) Amazon S3
6 2 (6.25%) AWS Step Functions
6 2 (6.25%) Figma
6 2 (6.25%) Nutanix
6 2 (6.25%) Salesforce Sales Cloud
6 2 (6.25%) Tricentis Tosca
7 1 (3.13%) Azure Logic Apps
7 1 (3.13%) Kontent
7 1 (3.13%) prismic.io
Communications & Networking
1 7 (21.88%) NFC
1 7 (21.88%) PPP
2 2 (6.25%) Firewall
2 2 (6.25%) HTTP
2 2 (6.25%) VPN
3 1 (3.13%) BGP
3 1 (3.13%) DNS
3 1 (3.13%) Ethernet VPN
3 1 (3.13%) MPLS
3 1 (3.13%) TCP/IP
Database & Business Intelligence
1 5 (15.63%) Relational Database
2 2 (6.25%) PostgreSQL
2 2 (6.25%) RDBMS
3 1 (3.13%) Amazon Athena
3 1 (3.13%) Amazon RDS
3 1 (3.13%) Amazon Redshift
3 1 (3.13%) Metadata
3 1 (3.13%) MongoDB
3 1 (3.13%) MySQL
3 1 (3.13%) NoSQL
3 1 (3.13%) SQL Server
Development Applications
1 8 (25.00%) Eclipse
2 7 (21.88%) Valgrind
3 4 (12.50%) Git
4 3 (9.38%) GitLab
4 3 (9.38%) Selenium
4 3 (9.38%) Visual Studio Code
5 2 (6.25%) Browser DevTools
5 2 (6.25%) Cucumber
5 2 (6.25%) Jenkins
5 2 (6.25%) JIRA
5 2 (6.25%) JMeter
5 2 (6.25%) JUnit
5 2 (6.25%) Mockito
5 2 (6.25%) Robot Framework
5 2 (6.25%) SonarQube
5 2 (6.25%) UI Automator
6 1 (3.13%) Bitbucket
6 1 (3.13%) Gradle
6 1 (3.13%) Maven
6 1 (3.13%) SpecFlow
General
1 8 (25.00%) Social Skills
2 4 (12.50%) Telecoms
3 3 (9.38%) Public Sector
4 2 (6.25%) Billing
4 2 (6.25%) Documentation Skills
4 2 (6.25%) Finance
5 1 (3.13%) Digital Healthcare
Job Titles
1 13 (40.63%) Developer
1 13 (40.63%) Senior
2 7 (21.88%) C++ Software Engineer
2 7 (21.88%) Development Engineer
2 7 (21.88%) Linux Engineer
2 7 (21.88%) Senior C++ Software Engineer
2 7 (21.88%) Senior Development Engineer
2 7 (21.88%) Senior Linux Engineer
2 7 (21.88%) Senior Software Development Engineer
2 7 (21.88%) Senior Software Engineer
2 7 (21.88%) Software Development Engineer
2 7 (21.88%) Software Engineer
3 5 (15.63%) Salesforce Developer
4 4 (12.50%) Applications Engineer
4 4 (12.50%) Senior Developer
5 3 (9.38%) Cloud Developer
5 3 (9.38%) Java Developer
6 2 (6.25%) AWS Engineer
6 2 (6.25%) MuleSoft Developer
6 2 (6.25%) Nutanix Engineer
Libraries, Frameworks & Software Standards
1 22 (68.75%) XML
2 16 (50.00%) REST
3 12 (37.50%) Web Services
4 9 (28.13%) HTML
5 6 (18.75%) jQuery
5 6 (18.75%) RESTful
6 5 (15.63%) Lightning Web Components
6 5 (15.63%) SOAP
7 3 (9.38%) Ajax
7 3 (9.38%) CSS
7 3 (9.38%) NETCONF
8 2 (6.25%) ActiveMQ
8 2 (6.25%) Apache Camel
8 2 (6.25%) Hibernate
8 2 (6.25%) Jinja
8 2 (6.25%) React
8 2 (6.25%) Spring Boot
8 2 (6.25%) Vue
8 2 (6.25%) WireMock
8 2 (6.25%) YANG
Miscellaneous
1 7 (21.88%) Smartcard
2 2 (6.25%) Distributed Systems
2 2 (6.25%) Frameworx
2 2 (6.25%) Hybrid Cloud
2 2 (6.25%) Product Ownership
2 2 (6.25%) TM Forum
3 1 (3.13%) Cloud Native
3 1 (3.13%) Data Protection Act
Operating Systems
1 10 (31.25%) Linux
2 7 (21.88%) Ubuntu
3 3 (9.38%) Windows
4 2 (6.25%) Red Hat Enterprise Linux
5 1 (3.13%) CentOS
5 1 (3.13%) Mac OS
5 1 (3.13%) Unix
5 1 (3.13%) Windows Server
Processes & Methodologies
1 15 (46.88%) Agile
2 12 (37.50%) CI/CD
3 9 (28.13%) Front End Development
3 9 (28.13%) User Experience
4 7 (21.88%) Cryptography
4 7 (21.88%) Memory Management
4 7 (21.88%) Microservices
4 7 (21.88%) Multithreaded Programming
4 7 (21.88%) Multithreading
4 7 (21.88%) Software Engineering
5 6 (18.75%) DevOps
5 6 (18.75%) Problem-Solving
6 5 (15.63%) Workflow
7 4 (12.50%) SDLC
8 3 (9.38%) Artificial Intelligence
8 3 (9.38%) BDD
8 3 (9.38%) Case Management
8 3 (9.38%) Data Mapping
8 3 (9.38%) Stakeholder Engagement
8 3 (9.38%) TDD
Programming Languages
1 17 (53.13%) JavaScript
2 15 (46.88%) Python
3 13 (40.63%) Java
4 9 (28.13%) C#
5 7 (21.88%) C++
6 5 (15.63%) SQL
7 4 (12.50%) PowerShell
8 3 (9.38%) Apex Code
8 3 (9.38%) SOQL
9 2 (6.25%) Shell Script
10 1 (3.13%) DataWeave
10 1 (3.13%) PL/SQL
Qualifications
1 2 (6.25%) Degree
1 2 (6.25%) DV Cleared
1 2 (6.25%) Security Cleared
2 1 (3.13%) A+ Certification
2 1 (3.13%) Computer Science Degree
2 1 (3.13%) Network+ Certification
Quality Assurance & Compliance
1 2 (6.25%) Accessibility
1 2 (6.25%) WCAG
System Software
1 6 (18.75%) Docker
2 2 (6.25%) Virtual Machines
Systems Management
1 4 (12.50%) Ansible
2 3 (9.38%) Kubernetes
3 2 (6.25%) Kibana
3 2 (6.25%) Terraform
4 1 (3.13%) CloudHub
Vendors
1 7 (21.88%) Salesforce
2 5 (15.63%) Microsoft
3 4 (12.50%) Red Hat
4 3 (9.38%) Cisco
5 2 (6.25%) Citrix
5 2 (6.25%) Dynatrace
5 2 (6.25%) MuleSoft
5 2 (6.25%) Oracle
5 2 (6.25%) ServiceNow
5 2 (6.25%) Splunk
5 2 (6.25%) Veracode
5 2 (6.25%) VMware
6 1 (3.13%) Pega
6 1 (3.13%) UiPath