JSON Contracts in the South East

JSON
England > South East

The table below provides summary statistics for contract job vacancies advertised in the South East 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 4 July 2025, comparing them to the same period in the previous two years.

6 months to
4 Jul 2025
Same period 2024 Same period 2023
Rank 118 172 135
Rank change year-on-year +54 -37 +5
Contract jobs citing JSON 44 30 81
As % of all contract jobs advertised in the South East 1.35% 0.52% 1.39%
As % of the Libraries, Frameworks & Software Standards category 7.82% 3.77% 8.32%
Number of daily rates quoted 34 17 47
10th Percentile £350 £338 £394
25th Percentile £400 £400 £434
Median daily rate (50th Percentile) £475 £560 £530
Median % change year-on-year -15.18% +5.66% +0.95%
75th Percentile £513 £588 £578
90th Percentile £550 £688 £625
England median daily rate £500 £529 £550
% change year-on-year -5.48% -3.82% -
Number of hourly rates quoted 0 0 10
10th Percentile - - £65.88
25th Percentile - - £70.00
Median hourly rate - - £71.25
75th Percentile - - £75.00
90th Percentile - - -
England median hourly rate £37.50 £80.00 £70.00
% change year-on-year -53.13% +14.29% +21.74%

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 563 795 974
As % of all contract IT jobs advertised in the South East 17.32% 13.90% 16.72%
Number of daily rates quoted 376 532 681
10th Percentile £318 £325 £325
25th Percentile £402 £413 £414
Median daily rate (50th Percentile) £500 £525 £525
Median % change year-on-year -4.76% - -
75th Percentile £582 £620 £625
90th Percentile £638 £650 £700
England median daily rate £525 £550 £550
% change year-on-year -4.55% - -4.35%
Number of hourly rates quoted 24 47 42
10th Percentile £22.73 £35.00 £50.00
25th Percentile £36.42 £56.65 £52.50
Median hourly rate £50.00 £61.60 £63.25
Median % change year-on-year -18.83% -2.61% +33.16%
75th Percentile £58.70 £70.00 £75.00
90th Percentile £61.79 £75.00 £79.19
England median hourly rate £57.63 £58.15 £65.00
% change year-on-year -0.90% -10.54% +22.64%

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
Contractor Daily Rate Trend in the South East

3-month moving average daily rate quoted in jobs citing JSON in the South East.

Daily rate trend for JSON in the South East

JSON
Daily Rate Histogram in the South East

Daily rate distribution for jobs citing JSON in the South East over the 6 months to 4 July 2025.

Daily rate histogram for JSON in the South East

JSON
Contractor Hourly Rate Trend in the South East

3-month moving average hourly rates quoted in jobs citing JSON in the South East.

Hourly rate trend for JSON in the South East

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 4 July 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 +38 25 £488 -13.91% 95
Berkshire +31 21 £500 -12.66% 67
Surrey +26 12 £475 -25.49% 26
Hampshire +32 7 £498 +24.38% 45
Buckinghamshire +11 4 £475 - 19
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 5 (11.36%) Anypoint
1 5 (11.36%) Mule
2 4 (9.09%) Mule ESB
3 2 (4.55%) Confluence
3 2 (4.55%) Microsoft Exchange
4 1 (2.27%) BizTalk Server
4 1 (2.27%) IIS
4 1 (2.27%) Oracle SOA Suite
4 1 (2.27%) Oracle Workflow
4 1 (2.27%) Tomcat
Cloud Services
1 16 (36.36%) Azure
2 11 (25.00%) AWS
3 7 (15.91%) Azure DevOps
4 6 (13.64%) GitHub
5 5 (11.36%) Serverless
6 4 (9.09%) SaaS
7 3 (6.82%) AWS Lambda
7 3 (6.82%) iPaaS
7 3 (6.82%) Salesforce Service Cloud
8 2 (4.55%) Amazon EC2
8 2 (4.55%) Amazon ECS
8 2 (4.55%) Amazon EKS
8 2 (4.55%) Azure Stack
8 2 (4.55%) Figma
8 2 (4.55%) Firebase
8 2 (4.55%) Salesforce Sales Cloud
9 1 (2.27%) Amazon S3
9 1 (2.27%) Entra ID
9 1 (2.27%) IaaS
9 1 (2.27%) PaaS
Communications & Networking
1 5 (11.36%) NFC
1 5 (11.36%) PPP
2 3 (6.82%) HTTP
3 1 (2.27%) BGP
3 1 (2.27%) Ethernet VPN
3 1 (2.27%) FTP
3 1 (2.27%) MPLS
3 1 (2.27%) VPN
Database & Business Intelligence
1 5 (11.36%) Data Lake
1 5 (11.36%) Relational Database
2 3 (6.82%) PostgreSQL
3 2 (4.55%) MySQL
3 2 (4.55%) NoSQL
3 2 (4.55%) RDBMS
4 1 (2.27%) Amazon RDS
4 1 (2.27%) Azure SQL Database
4 1 (2.27%) Metadata
4 1 (2.27%) MongoDB
4 1 (2.27%) Parquet
4 1 (2.27%) SQL Server
Development Applications
1 10 (22.73%) Git
2 6 (13.64%) Eclipse
3 5 (11.36%) Valgrind
3 5 (11.36%) Visual Studio Code
4 2 (4.55%) Browser DevTools
4 2 (4.55%) Cypress.io
4 2 (4.55%) GitLab
4 2 (4.55%) Jenkins
4 2 (4.55%) JIRA
4 2 (4.55%) JMeter
4 2 (4.55%) JUnit
4 2 (4.55%) Maven
4 2 (4.55%) Mockito
4 2 (4.55%) Moq
4 2 (4.55%) UI Automator
4 2 (4.55%) Visual Studio
5 1 (2.27%) Gradle
5 1 (2.27%) Selenium
5 1 (2.27%) SpecFlow
General
1 11 (25.00%) Social Skills
2 7 (15.91%) Analytical Skills
3 5 (11.36%) Billing
3 5 (11.36%) Telecoms
4 4 (9.09%) Public Sector
5 2 (4.55%) Documentation Skills
6 1 (2.27%) Finance
Job Titles
1 21 (47.73%) Developer
2 11 (25.00%) Senior
3 5 (11.36%) C++ Software Engineer
3 5 (11.36%) Designer
3 5 (11.36%) Development Engineer
3 5 (11.36%) Linux Engineer
3 5 (11.36%) MuleSoft Developer
3 5 (11.36%) Salesforce Developer
3 5 (11.36%) Senior C++ Software Engineer
3 5 (11.36%) Senior Developer
3 5 (11.36%) Senior Development Engineer
3 5 (11.36%) Senior Linux Engineer
3 5 (11.36%) Senior Software Development Engineer
3 5 (11.36%) Senior Software Engineer
3 5 (11.36%) SIEM Engineer
3 5 (11.36%) Software Development Engineer
3 5 (11.36%) Software Engineer
3 5 (11.36%) Solutions Designer
4 4 (9.09%) Java Developer
5 3 (6.82%) AWS Engineer
Libraries, Frameworks & Software Standards
1 24 (54.55%) REST
2 22 (50.00%) XML
3 16 (36.36%) Web Services
4 10 (22.73%) HTML
4 10 (22.73%) RESTful
5 8 (18.18%) SOAP
6 7 (15.91%) AngularJS
6 7 (15.91%) React
7 6 (13.64%) .NET
7 6 (13.64%) jQuery
8 5 (11.36%) .NET Core
8 5 (11.36%) CSS
8 5 (11.36%) Lightning Web Components
9 4 (9.09%) RAML
9 4 (9.09%) Vue
10 3 (6.82%) Ajax
10 3 (6.82%) Hibernate
10 3 (6.82%) Spring
10 3 (6.82%) Spring Boot
10 3 (6.82%) YAML
Miscellaneous
1 5 (11.36%) CSOC
1 5 (11.36%) Frameworx
1 5 (11.36%) Onboarding
1 5 (11.36%) Smartcard
1 5 (11.36%) TM Forum
2 4 (9.09%) Cyber Threat
2 4 (9.09%) Product Ownership
3 2 (4.55%) Distributed Systems
3 2 (4.55%) Video\Live Streaming
4 1 (2.27%) Enterprise Software
4 1 (2.27%) Wiki
Operating Systems
1 8 (18.18%) Linux
2 5 (11.36%) Ubuntu
3 3 (6.82%) Windows
4 2 (4.55%) Red Hat Enterprise Linux
5 1 (2.27%) CentOS
5 1 (2.27%) Unix
5 1 (2.27%) Windows Server
Processes & Methodologies
1 22 (50.00%) Agile
2 19 (43.18%) CI/CD
3 13 (29.55%) Problem-Solving
4 11 (25.00%) DevOps
5 9 (20.45%) Front End Development
5 9 (20.45%) User Experience
6 8 (18.18%) Microservices
6 8 (18.18%) Process Improvement
6 8 (18.18%) Software Engineering
7 6 (13.64%) API Management
7 6 (13.64%) Scrum
7 6 (13.64%) Technical Leadership
8 5 (11.36%) Business Strategy
8 5 (11.36%) Cryptography
8 5 (11.36%) Customer Experience
8 5 (11.36%) Customer Service
8 5 (11.36%) Incident Response
8 5 (11.36%) Multithreaded Programming
8 5 (11.36%) Multithreading
8 5 (11.36%) Security Operations
Programming Languages
1 19 (43.18%) JavaScript
2 14 (31.82%) Java
3 13 (29.55%) Python
4 12 (27.27%) SQL
5 11 (25.00%) C#
6 5 (11.36%) C++
7 4 (9.09%) DataWeave
7 4 (9.09%) PowerShell
8 3 (6.82%) Apex Code
8 3 (6.82%) SOQL
9 2 (4.55%) Shell Script
9 2 (4.55%) TypeScript
10 1 (2.27%) ActionScript
10 1 (2.27%) ActionScript 2.0
10 1 (2.27%) Bicep
10 1 (2.27%) PL/SQL
Qualifications
1 7 (15.91%) Security Cleared
2 5 (11.36%) GIAC
3 3 (6.82%) SC Cleared
4 2 (4.55%) DV Cleared
5 1 (2.27%) CCNP
5 1 (2.27%) Cisco Certification
5 1 (2.27%) JNCIP
5 1 (2.27%) OCP
5 1 (2.27%) Oracle Certification
5 1 (2.27%) Sun Certification
Quality Assurance & Compliance
1 5 (11.36%) Data Quality
2 2 (4.55%) Accessibility
2 2 (4.55%) QA
2 2 (4.55%) WCAG
System Software
1 5 (11.36%) Docker
2 2 (4.55%) Virtual Machines
3 1 (2.27%) Active Directory
Systems Management
1 4 (9.09%) CloudHub
2 3 (6.82%) Ansible
2 3 (6.82%) Kubernetes
3 2 (4.55%) Kibana
3 2 (4.55%) Terraform
4 1 (2.27%) SCOM
Vendors
1 11 (25.00%) Microsoft
2 10 (22.73%) Salesforce
3 6 (13.64%) ServiceNow
4 5 (11.36%) MuleSoft
5 3 (6.82%) Dynatrace
5 3 (6.82%) Oracle
6 2 (4.55%) Cisco
6 2 (4.55%) Red Hat
6 2 (4.55%) Splunk
6 2 (4.55%) VMware
7 1 (2.27%) Fortinet
7 1 (2.27%) IBM
7 1 (2.27%) SAP
7 1 (2.27%) UiPath