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 permanent job vacancies from the 6 months leading up to 31 December 2025, with comparisons to the same periods in the previous two years.

6 months to
31 Dec 2025
Same period 2024 Same period 2023
Rank 128 144 63
Rank change year-on-year +16 -81 +42
Permanent jobs citing API Testing 5 25 119
As % of all permanent jobs in the City of London 0.24% 0.92% 4.22%
As % of the Processes & Methodologies category 0.27% 0.96% 4.43%
Number of salaries quoted 3 25 117
10th Percentile £93,500 - £49,000
25th Percentile £95,000 £42,500 £70,000
Median annual salary (50th Percentile) £105,000 £50,000 £95,000
Median % change year-on-year +110.00% -47.37% +26.67%
75th Percentile £108,750 £65,000 £112,500
90th Percentile £111,000 £85,000 £115,000
Central London median annual salary £105,000 £50,000 £95,000
% change year-on-year +110.00% -47.37% +26.67%

All Process & 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 1,833 2,593 2,686
As % of all permanent jobs advertised in the City of London 87.54% 95.47% 95.15%
Number of salaries quoted 1,357 1,694 2,415
10th Percentile £42,500 £46,250 £40,350
25th Percentile £57,500 £55,000 £55,000
Median annual salary (50th Percentile) £77,500 £75,000 £75,000
Median % change year-on-year +3.33% - -
75th Percentile £100,000 £95,000 £96,250
90th Percentile £115,000 £117,500 £115,000
Central London median annual salary £77,500 £75,000 £75,000
% change year-on-year +3.33% - -

API Testing
Job Vacancy Trend in the City of London

Historical trend showing the proportion of permanent IT job postings citing API Testing relative to all permanent IT jobs advertised in the City of London.

API Testing job vacancy trend 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
Co-Occurring Skills & Capabilities in the City of London 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:

Communications & Networking
1 2 (40.00%) Wireless
Database & Business Intelligence
1 1 (20.00%) Big Data
1 1 (20.00%) Hadoop
Development Applications
1 2 (40.00%) SpecFlow
2 1 (20.00%) Burp Suite
2 1 (20.00%) Cucumber
2 1 (20.00%) Jenkins
2 1 (20.00%) JMeter
2 1 (20.00%) JUnit
2 1 (20.00%) Metasploit
2 1 (20.00%) Selenium
2 1 (20.00%) WebDriver
General
1 4 (80.00%) Finance
Job Titles
1 3 (60.00%) Senior
2 1 (20.00%) Analyst
2 1 (20.00%) Digital Analyst
2 1 (20.00%) Lead
2 1 (20.00%) Security Analyst
2 1 (20.00%) Security Manager
2 1 (20.00%) Senior Analyst
2 1 (20.00%) Senior Digital Analyst
2 1 (20.00%) Senior Security Analyst
Libraries, Frameworks & Software Standards
1 2 (40.00%) Playwright
2 1 (20.00%) Apache Thrift
2 1 (20.00%) JSON
2 1 (20.00%) Kafka
2 1 (20.00%) REST
Miscellaneous
1 3 (60.00%) Mobile App
2 1 (20.00%) Cyber Defence
2 1 (20.00%) Security Posture
Processes & Methodologies
1 3 (60.00%) SDET
1 3 (60.00%) Test Automation
2 2 (40.00%) Agile
2 2 (40.00%) Application Security
2 2 (40.00%) Business Strategy
2 2 (40.00%) Business Transformation
2 2 (40.00%) Coaching
2 2 (40.00%) Collaborative Culture
2 2 (40.00%) Creative Thinking
2 2 (40.00%) Internal Audit
2 2 (40.00%) Mentoring
2 2 (40.00%) Offensive Security
2 2 (40.00%) Penetration Testing
2 2 (40.00%) Problem-Solving
2 2 (40.00%) Purple Team
2 2 (40.00%) Red Team
3 1 (20.00%) Automated Trading
3 1 (20.00%) Cybersecurity
3 1 (20.00%) Incident Response
3 1 (20.00%) Test Planning
Programming Languages
1 2 (40.00%) C#
1 2 (40.00%) JavaScript
2 1 (20.00%) Bash
2 1 (20.00%) Java
2 1 (20.00%) PowerShell
2 1 (20.00%) Python
Qualifications
1 2 (40.00%) CCSAM
1 2 (40.00%) CHECK Team Leader
1 2 (40.00%) CHECK Team Member
1 2 (40.00%) CREST Certified
1 2 (40.00%) OSCP
2 1 (20.00%) Degree
Quality Assurance & Compliance
1 3 (60.00%) QA
Systems Management
1 1 (20.00%) Nessus