JSON Contracts in Croydon

JSON
South London > Croydon

The table below provides summary statistics for contract job vacancies advertised in Croydon 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 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 22 28 36
Rank change year-on-year +6 +8 +1
Contract jobs citing JSON 5 6 1
As % of all contract jobs advertised in Croydon 5.49% 4.14% 0.57%
As % of the Libraries, Frameworks & Software Standards category 13.89% 14.63% 2.00%
Number of daily rates quoted 3 6 1
10th Percentile £433 £425 -
25th Percentile £444 £446 £663
Median daily rate (50th Percentile) £475 £510 £675
Median % change year-on-year -6.86% -24.44% -
75th Percentile £497 £531 £688
90th Percentile £503 £538 -
South London median daily rate £475 £510 £450
% change year-on-year -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 36 41 50
As % of all contract IT jobs advertised in Croydon 39.56% 28.28% 28.41%
Number of daily rates quoted 23 24 33
10th Percentile £389 - £451
25th Percentile £456 £425 £454
Median daily rate (50th Percentile) £490 £510 £488
Median % change year-on-year -3.92% +4.62% -18.75%
75th Percentile £638 £550 £625
90th Percentile £732 £599 £649
South London median daily rate £498 £513 £500
% change year-on-year -2.93% +2.50% -13.87%

JSON
Job Vacancy Trend in Croydon

Job postings citing JSON as a proportion of all IT jobs advertised in Croydon.

Job vacancy trend for JSON in Croydon

JSON
Contractor Daily Rate Trend in Croydon

3-month moving average daily rate quoted in jobs citing JSON in Croydon.

Daily rate trend for JSON in Croydon

JSON
Co-occurring Skills and Capabilities in Croydon 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:

Cloud Services
1 5 (100.00%) AWS
1 5 (100.00%) Serverless
2 3 (60.00%) Amazon MSK
2 3 (60.00%) AWS Lambda
2 3 (60.00%) AWS Step Functions
3 2 (40.00%) Amazon EC2
3 2 (40.00%) Amazon ECS
3 2 (40.00%) Amazon EKS
Database & Business Intelligence
1 3 (60.00%) Amazon RDS
1 3 (60.00%) Amazon Redshift
1 3 (60.00%) DynamoDB
1 3 (60.00%) Parquet
2 2 (40.00%) PostgreSQL
2 2 (40.00%) RDBMS
2 2 (40.00%) Relational Database
Development Applications
1 2 (40.00%) Jenkins
1 2 (40.00%) JMeter
1 2 (40.00%) JUnit
1 2 (40.00%) Mockito
General
1 5 (100.00%) Public Sector
Job Titles
1 3 (60.00%) Data Engineer
2 2 (40.00%) Developer
2 2 (40.00%) Java Developer
2 2 (40.00%) Senior
2 2 (40.00%) Senior Developer
2 2 (40.00%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 3 (60.00%) Apache Avro
1 3 (60.00%) Kafka
2 2 (40.00%) ActiveMQ
2 2 (40.00%) Apache Camel
2 2 (40.00%) Hibernate
2 2 (40.00%) HTML
2 2 (40.00%) jQuery
2 2 (40.00%) REST
2 2 (40.00%) Spring
2 2 (40.00%) Spring Boot
2 2 (40.00%) Web Services
2 2 (40.00%) WireMock
2 2 (40.00%) XML
Miscellaneous
1 2 (40.00%) Distributed Systems
Operating Systems
1 2 (40.00%) Unix
Processes & Methodologies
1 5 (100.00%) Agile
2 3 (60.00%) Business Analysis
2 3 (60.00%) Data Ingestion
2 3 (60.00%) Data Modelling
2 3 (60.00%) Data Pipeline
2 3 (60.00%) ETL
2 3 (60.00%) Predictive Modelling
3 2 (40.00%) BDD
3 2 (40.00%) CI/CD
3 2 (40.00%) Microservices
3 2 (40.00%) Process Management
3 2 (40.00%) SDLC
3 2 (40.00%) TDD
3 2 (40.00%) Workflow
Programming Languages
1 5 (100.00%) Python
2 4 (80.00%) JavaScript
3 3 (60.00%) SQL
4 2 (40.00%) Java
4 2 (40.00%) Lua
4 2 (40.00%) Perl
4 2 (40.00%) PHP
4 2 (40.00%) Shell Script
Qualifications
1 3 (60.00%) SC Cleared
1 3 (60.00%) Security Cleared
System Software
1 2 (40.00%) Docker
Systems Management
1 2 (40.00%) Kibana
1 2 (40.00%) Kubernetes
Vendors
1 2 (40.00%) Dynatrace
1 2 (40.00%) Splunk