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 contract job vacancies from the 6 months leading up to 9 December 2025, with comparisons to the same periods in the previous two years.

6 months to
9 Dec 2025
Same period 2024 Same period 2023
Rank 157 142 168
Rank change year-on-year -15 +26 +2
Contract jobs citing JSON 32 33 43
As % of all contract jobs in the South East 0.75% 0.83% 0.82%
As % of the Libraries, Frameworks & Software Standards category 4.76% 5.16% 4.94%
Number of daily rates quoted 22 17 34
10th Percentile £413 £470 £363
25th Percentile £463 £500 £394
Median daily rate (50th Percentile) £475 £550 £506
Median % change year-on-year -13.64% +8.64% -0.74%
75th Percentile £525 £656 £588
90th Percentile £598 £680 £596
England median daily rate £514 £525 £533
% change year-on-year -2.10% -1.45% -3.14%
Number of hourly rates quoted 1 0 4
10th Percentile - - £60.13
25th Percentile £46.25 - £64.06
Median hourly rate £47.50 - £68.75
75th Percentile £48.75 - £70.00
90th Percentile - - -
England median hourly rate £37.50 £66.25 £70.00
% change year-on-year -43.40% -5.36% +33.33%

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 672 640 870
As % of all contract IT jobs advertised in the South East 15.84% 16.16% 16.65%
Number of daily rates quoted 480 416 499
10th Percentile £286 £306 £323
25th Percentile £400 £408 £414
Median daily rate (50th Percentile) £480 £525 £525
Median % change year-on-year -8.57% - -4.55%
75th Percentile £575 £632 £625
90th Percentile £639 £675 £680
England median daily rate £508 £550 £550
% change year-on-year -7.73% - -4.68%
Number of hourly rates quoted 18 15 39
10th Percentile £36.25 £55.44 £48.92
25th Percentile £46.25 £60.38 £54.78
Median hourly rate £50.00 £62.50 £62.50
Median % change year-on-year -20.00% - -2.09%
75th Percentile £72.50 £70.00 £73.27
90th Percentile £81.00 - £78.00
England median hourly rate £56.90 £65.00 £53.50
% change year-on-year -12.46% +21.50% -17.69%

JSON
Job Vacancy Trend in the South East

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

JSON job vacancy trend 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 9 December 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 9 December 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 -7 16 £500 -4.76% 21
Berkshire -6 13 £488 -7.14% 14
Surrey -1 8 £475 -26.21% 7
Hampshire -2 4 £550 -18.52% 8
West Sussex -9 4 £500 +11.11% 5
Buckinghamshire - 2 £500 - 4
Oxfordshire -12 1 - - 3
JSON
England

JSON
Co-Occurring Skills & Capabilities in the South East 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 2 (6.25%) Appian
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%) Microsoft Exchange
2 1 (3.13%) nginx
Business Applications
1 2 (6.25%) Maximo
2 1 (3.13%) Salesforce CRM
Cloud Services
1 5 (15.63%) Azure
2 4 (12.50%) AWS
2 4 (12.50%) Serverless
3 3 (9.38%) AWS Lambda
3 3 (9.38%) GitHub
3 3 (9.38%) SaaS
4 2 (6.25%) Amazon S3
4 2 (6.25%) AtomSphere
4 2 (6.25%) AWS Step Functions
4 2 (6.25%) Azure DevOps
4 2 (6.25%) Boomi
4 2 (6.25%) Nutanix
4 2 (6.25%) OCI
4 2 (6.25%) Tricentis Tosca
5 1 (3.13%) Amazon EventBridge
5 1 (3.13%) Azure Logic Apps
5 1 (3.13%) Cloud Computing
5 1 (3.13%) Kontent
5 1 (3.13%) prismic.io
5 1 (3.13%) Salesforce Service Cloud
Communications & Networking
1 6 (18.75%) NFC
1 6 (18.75%) 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 1 (3.13%) Amazon Athena
1 1 (3.13%) Amazon RDS
1 1 (3.13%) Amazon Redshift
1 1 (3.13%) Metadata
1 1 (3.13%) MongoDB
1 1 (3.13%) MySQL
1 1 (3.13%) NoSQL
1 1 (3.13%) Relational Database
1 1 (3.13%) SQL Server
Development Applications
1 7 (21.88%) Eclipse
2 6 (18.75%) Valgrind
3 3 (9.38%) Git
3 3 (9.38%) GitLab
3 3 (9.38%) JIRA
3 3 (9.38%) Selenium
4 2 (6.25%) Bitbucket
4 2 (6.25%) Cucumber
4 2 (6.25%) Postman
4 2 (6.25%) Robot Framework
4 2 (6.25%) SonarQube
5 1 (3.13%) Gradle
5 1 (3.13%) Jenkins
5 1 (3.13%) Maven
5 1 (3.13%) SoapUI
5 1 (3.13%) SpecFlow
5 1 (3.13%) Visual Studio Code
General
1 6 (18.75%) Social Skills
2 3 (9.38%) Analytical Skills
2 3 (9.38%) Finance
3 2 (6.25%) Billing
3 2 (6.25%) Public Sector
3 2 (6.25%) Telecoms
4 1 (3.13%) Digital Healthcare
4 1 (3.13%) Documentation Skills
Job Titles
1 10 (31.25%) Senior
2 9 (28.13%) Developer
3 7 (21.88%) Software Engineer
4 6 (18.75%) Applications Engineer
4 6 (18.75%) C++ Software Engineer
4 6 (18.75%) Development Engineer
4 6 (18.75%) Linux Engineer
4 6 (18.75%) Senior C++ Software Engineer
4 6 (18.75%) Senior Development Engineer
4 6 (18.75%) Senior Linux Engineer
4 6 (18.75%) Senior Software Development Engineer
4 6 (18.75%) Senior Software Engineer
4 6 (18.75%) Software Development Engineer
5 3 (9.38%) Architect
6 2 (6.25%) Consultant
6 2 (6.25%) DevOps Engineer
6 2 (6.25%) Head of Development
6 2 (6.25%) Integration Consultant
6 2 (6.25%) Oracle Consultant
6 2 (6.25%) Senior Developer
Libraries, Frameworks & Software Standards
1 20 (62.50%) XML
2 17 (53.13%) REST
3 7 (21.88%) SOAP
4 6 (18.75%) Web Services
5 5 (15.63%) RESTful
6 3 (9.38%) HTML
6 3 (9.38%) NETCONF
7 2 (6.25%) Jinja
7 2 (6.25%) jQuery
7 2 (6.25%) OpenAPI
7 2 (6.25%) Swagger
7 2 (6.25%) YAML
7 2 (6.25%) YANG
8 1 (3.13%) Lightning Web Components
8 1 (3.13%) OAuth
8 1 (3.13%) OAuth2
8 1 (3.13%) Protocol Buffers
8 1 (3.13%) PySpark
8 1 (3.13%) WebSockets
8 1 (3.13%) ZeroMQ
Miscellaneous
1 6 (18.75%) Smartcard
2 4 (12.50%) Hybrid Cloud
3 3 (9.38%) Cloud Native
4 2 (6.25%) TM Forum
5 1 (3.13%) Algorithms
5 1 (3.13%) Data Protection Act
5 1 (3.13%) Product Ownership
5 1 (3.13%) Virtual Team
Operating Systems
1 9 (28.13%) Linux
2 7 (21.88%) Ubuntu
3 2 (6.25%) Windows
4 1 (3.13%) CentOS
4 1 (3.13%) Mac OS
4 1 (3.13%) Red Hat Enterprise Linux
4 1 (3.13%) Unix
4 1 (3.13%) Windows Server
Processes & Methodologies
1 12 (37.50%) Agile
2 11 (34.38%) Problem-Solving
3 10 (31.25%) CI/CD
4 8 (25.00%) DevOps
4 8 (25.00%) Software Engineering
5 7 (21.88%) User Experience
6 6 (18.75%) Cryptography
6 6 (18.75%) Front End Development
6 6 (18.75%) Memory Management
6 6 (18.75%) Multithreaded Programming
6 6 (18.75%) Multithreading
7 5 (15.63%) Microservices
8 4 (12.50%) Integration Patterns
9 3 (9.38%) AI
9 3 (9.38%) Containerisation
9 3 (9.38%) CRM
9 3 (9.38%) Validation
9 3 (9.38%) Workflow
10 2 (6.25%) Migration
10 2 (6.25%) Scrum
Programming Languages
1 14 (43.75%) JavaScript
1 14 (43.75%) Python
2 13 (40.63%) Java
3 10 (31.25%) C#
4 7 (21.88%) C++
5 5 (15.63%) SQL
6 3 (9.38%) PowerShell
7 2 (6.25%) Groovy
7 2 (6.25%) Jython
7 2 (6.25%) T-SQL
8 1 (3.13%) Apex Code
8 1 (3.13%) C
8 1 (3.13%) PL/SQL
8 1 (3.13%) Shell Script
8 1 (3.13%) SOQL
Qualifications
1 4 (12.50%) Security Cleared
2 2 (6.25%) Degree
2 2 (6.25%) SC Cleared
3 1 (3.13%) A+ Certification
3 1 (3.13%) Computer Science Degree
3 1 (3.13%) DV Cleared
3 1 (3.13%) Network+ Certification
System Software
1 7 (21.88%) Docker
2 1 (3.13%) Virtual Machines
Systems Management
1 5 (15.63%) Kubernetes
2 3 (9.38%) Ansible
3 2 (6.25%) Terraform
4 1 (3.13%) Kibana
4 1 (3.13%) Podman
Vendors
1 5 (15.63%) Salesforce
2 4 (12.50%) Oracle
2 4 (12.50%) Red Hat
3 3 (9.38%) Cisco
4 2 (6.25%) Citrix
4 2 (6.25%) Microsoft
4 2 (6.25%) Veracode
5 1 (3.13%) Databricks
5 1 (3.13%) IBM
5 1 (3.13%) Pega
5 1 (3.13%) ServiceNow
5 1 (3.13%) Splunk
5 1 (3.13%) UiPath
5 1 (3.13%) VMware