API Testing Job Trends in the City of London

API Testing
Central London > City of London

The table below provides summary statistics and salary benchmarking for jobs advertised in the City of London requiring API Testing skills. It covers vacancies from the 6 months leading up to 18 September 2025, with comparisons to the same periods in the previous two years.

6 months to
18 Sep 2025
Same period 2024 Same period 2023
Rank 123 146 96
Rank change year-on-year +23 -50 +54
Permanent jobs citing API Testing 6 26 95
As % of all permanent jobs advertised in the City of London 0.35% 0.90% 2.80%
As % of the Processes & Methodologies category 0.37% 0.97% 2.94%
Number of salaries quoted 5 26 94
10th Percentile £73,750 - £47,375
25th Percentile £92,500 £42,500 £70,000
Median annual salary (50th Percentile) £105,000 £50,000 £90,000
Median % change year-on-year +110.00% -44.44% +28.57%
75th Percentile - £64,688 £102,500
90th Percentile £109,500 £86,250 £107,750
Central London median annual salary £105,000 £50,000 £90,000
% change year-on-year +110.00% -44.44% +28.57%

All Process and Methodology Skills
City of London

API Testing falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring process or methodology skills in the City of London.

Permanent vacancies with a requirement for process or methodology skills 1,643 2,689 3,236
As % of all permanent jobs advertised in the City of London 95.91% 93.21% 95.26%
Number of salaries quoted 1,309 1,842 2,914
10th Percentile £39,890 £43,125 £42,500
25th Percentile £55,000 £55,000 £55,000
Median annual salary (50th Percentile) £72,500 £75,000 £75,000
Median % change year-on-year -3.33% - +3.45%
75th Percentile £95,000 £95,000 £96,250
90th Percentile £122,500 £112,500 £116,250
Central London median annual salary £75,000 £73,000 £73,750
% change year-on-year +2.74% -1.02% +1.72%

API Testing
Job Vacancy Trend in the City of London

Job postings citing API Testing as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for API Testing in the City of London

API Testing
Salary Trend in the City of London

Salary distribution trend for jobs in the City of London citing API Testing.

Salary distribution trend for jobs in the City of London citing API Testing

API Testing
Salary Histogram in the City of London

Salary distribution for jobs citing API Testing in the City of London over the 6 months to 18 September 2025.

Salary histogram for API Testing in the City of London

API Testing
Co-occurring Skills and Capabilities in the City of 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:

Applications
1 1 (16.67%) MS Visio
Cloud Services
1 2 (33.33%) Azure
2 1 (16.67%) AWS
2 1 (16.67%) Azure DevOps
2 1 (16.67%) Cloud Computing
2 1 (16.67%) GCP
2 1 (16.67%) SaaS
Communications & Networking
1 1 (16.67%) HTTP
Database & Business Intelligence
1 1 (16.67%) Big Data
1 1 (16.67%) Hadoop
1 1 (16.67%) NoSQL
Development Applications
1 3 (50.00%) SpecFlow
2 2 (33.33%) Selenium
3 1 (16.67%) Cucumber
3 1 (16.67%) Jenkins
3 1 (16.67%) JIRA
3 1 (16.67%) JMeter
3 1 (16.67%) JUnit
3 1 (16.67%) WebDriver
General
1 3 (50.00%) Finance
2 1 (16.67%) Analytical Skills
2 1 (16.67%) Social Skills
Job Titles
1 3 (50.00%) Senior
2 1 (16.67%) Automation Engineer
2 1 (16.67%) Lead
2 1 (16.67%) QA Automation Engineer
2 1 (16.67%) QA Engineer
2 1 (16.67%) Support Manager
2 1 (16.67%) Technical Manager
2 1 (16.67%) Technical Support
2 1 (16.67%) Technical Support Manager
Libraries, Frameworks & Software Standards
1 3 (50.00%) JSON
1 3 (50.00%) Playwright
2 1 (16.67%) Apache Thrift
2 1 (16.67%) CSS
2 1 (16.67%) HTML
2 1 (16.67%) Kafka
2 1 (16.67%) Pandas
2 1 (16.67%) Puppeteer
2 1 (16.67%) REST
2 1 (16.67%) Scrapy
Miscellaneous
1 1 (16.67%) Linux Command Line
1 1 (16.67%) Mobile App
Operating Systems
1 1 (16.67%) Linux
Processes & Methodologies
1 5 (83.33%) Test Automation
2 4 (66.67%) SDET
3 1 (16.67%) Agile
3 1 (16.67%) Automated Trading
3 1 (16.67%) Computer Science
3 1 (16.67%) Critical Thinking
3 1 (16.67%) Customer Service
3 1 (16.67%) Data Extraction
3 1 (16.67%) Data Pipeline
3 1 (16.67%) Decision-Making
3 1 (16.67%) ETL
3 1 (16.67%) Manual Testing
3 1 (16.67%) OO
3 1 (16.67%) OOP
3 1 (16.67%) Performance Testing
3 1 (16.67%) Problem-Solving
3 1 (16.67%) Software Testing
3 1 (16.67%) Test Strategy
3 1 (16.67%) Unit Testing
3 1 (16.67%) Waterfall
Programming Languages
1 4 (66.67%) C#
1 4 (66.67%) JavaScript
2 2 (33.33%) Java
3 1 (16.67%) Python
3 1 (16.67%) SQL
Qualifications
1 1 (16.67%) Computer Science Degree
1 1 (16.67%) Degree
Quality Assurance & Compliance
1 5 (83.33%) QA
Vendors
1 1 (16.67%) Microsoft