Test Harness Contract Job Trends in London

Test Harness
England > London

The table below provides summary statistics and contractor rates for jobs advertised in London requiring Test Harness skills. It covers contract job vacancies from the 6 months leading up to 31 August 2026, with comparisons to the same periods in the previous two years.

6 months to
31 Aug 2026
Same period 2025 Same period 2024
Rank 434 367 389
Rank change year-on-year -67 +22 +56
Contract jobs citing Test Harness 6 3 1
As % of all contract jobs in London 0.030% 0.022% 0.006%
As % of the Processes & Methodologies category 0.034% 0.024% 0.007%
Number of daily rates quoted 3 2 0
10th Percentile £453 - -
25th Percentile £494 £431 -
Median daily rate (50th Percentile) £575 £438 -
Median % change year-on-year +31.43% - -
75th Percentile £588 £444 -
90th Percentile - - -
England median daily rate £575 £475 £550
% change year-on-year +21.05% -13.64% +10.00%

All Process & Methodology Skills
London

Test Harness falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring process or methodology skills in London.

Contract vacancies with a requirement for process or methodology skills 17,907 12,452 14,448
As % of all contract IT jobs advertised in London 89.02% 92.46% 88.98%
Number of daily rates quoted 11,698 8,284 9,876
10th Percentile £360 £325 £350
25th Percentile £450 £425 £450
Median daily rate (50th Percentile) £550 £538 £550
Median % change year-on-year +2.33% -2.27% -4.35%
75th Percentile £660 £675 £688
90th Percentile £775 £775 £800
England median daily rate £525 £510 £525
% change year-on-year +2.94% -2.86% -4.55%
Number of hourly rates quoted 291 255 193
10th Percentile £17.60 £17.00 £17.30
25th Percentile £19.94 £24.89 £22.00
Median hourly rate £35.50 £32.00 £36.50
Median % change year-on-year +10.94% -12.33% -8.75%
75th Percentile £56.63 £49.75 £55.00
90th Percentile £81.25 £63.75 £71.75
England median hourly rate £43.96 £25.15 £43.00
% change year-on-year +74.79% -41.51% +2.63%

Test Harness
Job Vacancy Trend in London

Historical trend showing the proportion of contract IT job postings citing Test Harness relative to all contract IT jobs advertised in London.

Test Harness job vacancy trend in London

Test Harness
Daily Rate Trend in London

Contractor daily rate distribution trend for jobs in London citing Test Harness.

Contractor daily rate distribution trend for jobs in London citing Test Harness

Test Harness
Hourly Rate Trend in London

Contractor hourly rate distribution trend for jobs in London citing Test Harness.

Contractor hourly rate distribution trend for jobs in London citing Test Harness

Test Harness
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Test Harness within the London region over the 6 months to 31 August 2026. 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
Central London -19 1 £575 +31.43%
Test Harness
England

Test Harness
Co-Occurring Skills & Capabilities in 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:

Cloud Services
1 2 (33.33%) AWS
1 2 (33.33%) Azure
1 2 (33.33%) GCP
1 2 (33.33%) LangSmith
Communications & Networking
1 2 (33.33%) Internet
Development Applications
1 2 (33.33%) GitLab
2 1 (16.67%) Git
2 1 (16.67%) GoogleTest
2 1 (16.67%) Jenkins
2 1 (16.67%) JIRA
2 1 (16.67%) JMeter
2 1 (16.67%) Locust
2 1 (16.67%) Selenium
2 1 (16.67%) TestRail
General
1 3 (50.00%) Social Skills
2 2 (33.33%) Finance
2 2 (33.33%) Inclusion and Diversity
3 1 (16.67%) Public Sector
Job Titles
1 3 (50.00%) Senior
1 3 (50.00%) Tester
2 2 (33.33%) Penetration Tester
2 2 (33.33%) Senior Penetration Tester
2 2 (33.33%) Senior Tester
2 2 (33.33%) Vulnerability Tester
3 1 (16.67%) Artificial Intelligence Engineer
3 1 (16.67%) Automation Engineer
3 1 (16.67%) C++ Software Engineer
3 1 (16.67%) QA Automation Engineer
3 1 (16.67%) QA Engineer
3 1 (16.67%) QA Tester
3 1 (16.67%) Senior C++ Software Engineer
3 1 (16.67%) Senior Software Engineer
3 1 (16.67%) Software Engineer
Libraries, Frameworks & Software Standards
1 1 (16.67%) FIX Protocol
1 1 (16.67%) Great Expectations
1 1 (16.67%) Langfuse
1 1 (16.67%) OpenTelemetry
1 1 (16.67%) Playwright
1 1 (16.67%) pytest
Miscellaneous
1 2 (33.33%) AI Agents
2 1 (16.67%) Derivative
2 1 (16.67%) Distributed Systems
2 1 (16.67%) IoT
Processes & Methodologies
1 5 (83.33%) AI
2 4 (66.67%) LLM
2 4 (66.67%) Test Automation
2 4 (66.67%) Validation
3 3 (50.00%) Stakeholder Engagement
4 2 (33.33%) Application Security
4 2 (33.33%) CI/CD
4 2 (33.33%) Cloud Security
4 2 (33.33%) Cybersecurity
4 2 (33.33%) Data Validation
4 2 (33.33%) Machine Learning
4 2 (33.33%) Manual Testing
4 2 (33.33%) Observability
4 2 (33.33%) Penetration Testing
4 2 (33.33%) Red Team
4 2 (33.33%) Secure Coding
4 2 (33.33%) Security Testing
4 2 (33.33%) Software Engineering
4 2 (33.33%) Test Strategy
4 2 (33.33%) Vulnerability Research
Programming Languages
1 3 (50.00%) Python
2 1 (16.67%) C++
2 1 (16.67%) SQL
Qualifications
1 2 (33.33%) CREST Certified
1 2 (33.33%) GPEN
1 2 (33.33%) OSCP
1 2 (33.33%) SC Cleared
1 2 (33.33%) Security Cleared
2 1 (16.67%) BPSS Clearance
Quality Assurance & Compliance
1 3 (50.00%) QA
2 2 (33.33%) Data Quality