JSON Contract Job Trends in Croydon

JSON
South London > Croydon

The table below provides summary statistics and contractor rates for jobs advertised in Croydon requiring JSON skills. It covers contract job vacancies from the 6 months leading up to 13 April 2026, with comparisons to the same periods in the previous two years.

6 months to
13 Apr 2026
Same period 2025 Same period 2024
Rank 42 25 29
Rank change year-on-year -17 +4 +10
Contract jobs citing JSON 1 3 6
As % of all contract jobs in Croydon 0.54% 2.91% 4.20%
As % of the Libraries, Frameworks & Software Standards category 1.69% 8.57% 15.79%
Number of daily rates quoted 1 3 6
10th Percentile - £433 £425
25th Percentile £763 £444 £446
Median daily rate (50th Percentile) £775 £475 £510
Median % change year-on-year +63.16% -6.86% -24.44%
75th Percentile £788 £497 £531
90th Percentile - £503 £538
South London median daily rate £625 £475 £510
% change year-on-year +31.58% -6.86% +13.33%

All Software Libraries and Frameworks
Croydon

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 Croydon.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 59 35 38
As % of all contract IT jobs advertised in Croydon 32.07% 33.98% 26.57%
Number of daily rates quoted 48 24 22
10th Percentile £489 £394 -
25th Percentile £500 £459 £425
Median daily rate (50th Percentile) £521 £493 £510
Median % change year-on-year +5.69% -3.43% +2.00%
75th Percentile £553 £641 £550
90th Percentile £608 £728 £600
South London median daily rate £521 £500 £538
% change year-on-year +4.10% -7.06% +7.60%

JSON
Job Vacancy Trend in Croydon

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

JSON job vacancy trend in Croydon

JSON
Daily Rate Trend in Croydon

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

Contractor daily rate distribution trend for jobs in Croydon citing JSON

JSON
Co-Occurring Skills & Capabilities in Croydon 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:

Cloud Services
1 1 (100.00%) AWS
1 1 (100.00%) Azure
1 1 (100.00%) Azure Service Bus
1 1 (100.00%) Boomi
1 1 (100.00%) GCP
1 1 (100.00%) iPaaS
1 1 (100.00%) SaaS
Communications & Networking
1 1 (100.00%) HTTP
Job Titles
1 1 (100.00%) Architect
1 1 (100.00%) Integration Architect
Libraries, Frameworks & Software Standards
1 1 (100.00%) GraphQL
1 1 (100.00%) Kafka
1 1 (100.00%) Middleware
1 1 (100.00%) OAuth
1 1 (100.00%) OAuth2
1 1 (100.00%) OpenAPI
1 1 (100.00%) OpenID
1 1 (100.00%) RabbitMQ
1 1 (100.00%) REST
1 1 (100.00%) SOAP
1 1 (100.00%) Swagger
1 1 (100.00%) XML
Miscellaneous
1 1 (100.00%) Legacy Systems
Processes & Methodologies
1 1 (100.00%) API Design
1 1 (100.00%) API Management
1 1 (100.00%) CI/CD
1 1 (100.00%) Event-Driven
1 1 (100.00%) Event-Driven Architecture
1 1 (100.00%) Integration Patterns
1 1 (100.00%) Mentoring
1 1 (100.00%) Microservices
1 1 (100.00%) SFIA
1 1 (100.00%) Stakeholder Management
1 1 (100.00%) Technical Leadership
1 1 (100.00%) TOGAF
Qualifications
1 1 (100.00%) Azure Certification
1 1 (100.00%) SC Cleared
1 1 (100.00%) Security Cleared
1 1 (100.00%) TOGAF Certification
Vendors
1 1 (100.00%) MuleSoft