TDD Job Trends in the City of Westminster

Test-Driven Development (TDD)
Central London > City of Westminster

The table below provides summary statistics and salary benchmarking for jobs advertised in the City of Westminster requiring TDD skills. It covers permanent job vacancies from the 6 months leading up to 14 November 2025, with comparisons to the same periods in the previous two years.

6 months to
14 Nov 2025
Same period 2024 Same period 2023
Rank 21 52 14
Rank change year-on-year +31 -38 +1
Permanent jobs citing TDD 1 1 1
As % of all permanent jobs in the City of Westminster 1.32% 0.47% 2.44%
As % of the Processes & Methodologies category 1.85% 0.48% 2.44%
Number of salaries quoted 0 0 1
10th Percentile - - -
25th Percentile - - £53,750
Median annual salary (50th Percentile) - - £57,500
Median % change year-on-year - - -0.86%
75th Percentile - - £61,250
90th Percentile - - -
Central London median annual salary £83,750 £80,000 £80,000
% change year-on-year +4.69% - -5.88%

All Process and Methodology Skills
City of Westminster

TDD 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 Westminster.

Permanent vacancies with a requirement for process or methodology skills 54 209 41
As % of all permanent jobs advertised in the City of Westminster 71.05% 97.21% 100.00%
Number of salaries quoted 8 78 34
10th Percentile £48,756 £48,125 £46,500
25th Percentile £64,049 £50,000 £54,063
Median annual salary (50th Percentile) £81,250 £60,000 £91,250
Median % change year-on-year +35.42% -34.25% +35.19%
75th Percentile £87,500 £68,750 £150,000
90th Percentile £90,125 £85,375 -
Central London median annual salary £75,000 £75,000 £73,000
% change year-on-year - +2.74% -2.67%

TDD
Job Vacancy Trend in the City of Westminster

Historical trend showing the proportion of permanent IT job postings citing TDD relative to all permanent IT jobs advertised in the City of Westminster.

TDD job vacancy trend in the City of Westminster

TDD
Salary Trend in the City of Westminster

Salary distribution trend for jobs in the City of Westminster citing TDD.

Salary distribution trend for jobs in the City of Westminster citing TDD

TDD
Co-Occurring Skills & Capabilities in the City of Westminster 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 1 (100.00%) AWS
1 1 (100.00%) GCP
1 1 (100.00%) npm
1 1 (100.00%) Serverless
Communications & Networking
1 1 (100.00%) Broadband
Database & Business Intelligence
1 1 (100.00%) MySQL
1 1 (100.00%) NoSQL
Development Applications
1 1 (100.00%) CircleCI
1 1 (100.00%) Cypress.io
1 1 (100.00%) Git
1 1 (100.00%) JIRA
1 1 (100.00%) Mocha
1 1 (100.00%) webpack
General
1 1 (100.00%) Multimedia
Job Titles
1 1 (100.00%) Developer
1 1 (100.00%) Full-Stack Developer
Libraries, Frameworks & Software Standards
1 1 (100.00%) D3.js
1 1 (100.00%) Node.js
1 1 (100.00%) React
1 1 (100.00%) Redux
Miscellaneous
1 1 (100.00%) Social Media
Operating Systems
1 1 (100.00%) Linux
1 1 (100.00%) Unix
Processes & Methodologies
1 1 (100.00%) CI/CD
1 1 (100.00%) Full-Stack Development
1 1 (100.00%) Open Source
1 1 (100.00%) SDLC
1 1 (100.00%) Storytelling
Programming Languages
1 1 (100.00%) JavaScript
1 1 (100.00%) Python
1 1 (100.00%) R
Vendors
1 1 (100.00%) Google