OpenAPI Contracts in Central London

OpenAPI Specification
London > Central London

The table below provides summary statistics for contract job vacancies advertised in Central London requiring OpenAPI skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited OpenAPI over the 6 months leading up to 22 June 2025, comparing them to the same period in the previous two years.

6 months to
22 Jun 2025
Same period 2024 Same period 2023
Rank 124 - 170
Rank change year-on-year - - +32
Contract jobs citing OpenAPI 2 0 6
As % of all contract jobs advertised in Central London 0.10% - 0.16%
As % of the Libraries, Frameworks & Software Standards category 0.42% - 0.62%
Number of daily rates quoted 1 0 3
10th Percentile - - £447
25th Percentile - - £499
Median daily rate (50th Percentile) £425 - £585
Median % change year-on-year - - +17.00%
75th Percentile - - £591
90th Percentile - - £595
London median daily rate £530 £519 £465
% change year-on-year +2.17% +11.56% -20.51%

All Software Libraries and Frameworks
Central London

OpenAPI 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 Central London.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 480 567 972
As % of all contract IT jobs advertised in Central London 25.03% 23.61% 26.54%
Number of daily rates quoted 318 398 620
10th Percentile £403 £413 £425
25th Percentile £425 £463 £505
Median daily rate (50th Percentile) £550 £563 £625
Median % change year-on-year -2.22% -10.00% +4.17%
75th Percentile £675 £694 £738
90th Percentile £761 £800 £827
London median daily rate £550 £575 £600
% change year-on-year -4.35% -4.17% -
Number of hourly rates quoted 2 0 1
10th Percentile £54.27 - -
25th Percentile £59.60 - -
Median hourly rate £69.47 - £53.00
Median % change year-on-year - - +11.58%
75th Percentile £79.60 - -
90th Percentile £85.09 - -
London median hourly rate £44.75 £42.50 £67.00
% change year-on-year +5.29% -36.57% +49.30%

OpenAPI
Job Vacancy Trend in Central London

Job postings citing OpenAPI as a proportion of all IT jobs advertised in Central London.

Job vacancy trend for OpenAPI in Central London

OpenAPI
Contractor Daily Rate Trend in Central London

3-month moving average daily rate quoted in jobs citing OpenAPI in Central London.

Daily rate trend for OpenAPI in Central London

OpenAPI
Contract Job Locations in Central London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing OpenAPI within the Central London region over the 6 months to 22 June 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
City of London - 2 £425 - 9
OpenAPI
London

OpenAPI
Co-occurring Skills and Capabilities in Central London 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:

Communications & Networking
1 1 (50.00%) HTTP
Development Applications
1 1 (50.00%) GitLab
1 1 (50.00%) JUnit
1 1 (50.00%) Maven
1 1 (50.00%) Postman
General
1 1 (50.00%) Public Sector
Job Titles
1 1 (50.00%) Developer
1 1 (50.00%) Java Engineer
1 1 (50.00%) Junior
Libraries, Frameworks & Software Standards
1 2 (100.00%) Swagger
2 1 (50.00%) Apache Camel
2 1 (50.00%) OAuth
2 1 (50.00%) OAuth2
2 1 (50.00%) Quarkus
2 1 (50.00%) REST
2 1 (50.00%) Spring
2 1 (50.00%) Spring Boot
2 1 (50.00%) WireMock
Processes & Methodologies
1 2 (100.00%) API Management
2 1 (50.00%) Agile
2 1 (50.00%) API Development
2 1 (50.00%) API Integration
2 1 (50.00%) Code Quality
2 1 (50.00%) Containerisation
2 1 (50.00%) DevOps
2 1 (50.00%) DevSecOps
2 1 (50.00%) High Availability
2 1 (50.00%) Software Engineering
2 1 (50.00%) Test Automation
Programming Languages
1 2 (100.00%) Java
1 2 (100.00%) Python
2 1 (50.00%) Go
2 1 (50.00%) JavaScript
Qualifications
1 1 (50.00%) SC Cleared
1 1 (50.00%) Security Cleared
System Software
1 1 (50.00%) Docker
Systems Management
1 1 (50.00%) Argo
Vendors
1 1 (50.00%) WSO2