Unit Testing Job Trends in the City of London

Unit Testing
Central London > City of London

The table below provides summary statistics and salary benchmarking for jobs advertised in the City of London requiring Unit Testing skills. It covers permanent job vacancies from the 6 months leading up to 30 December 2025, with comparisons to the same periods in the previous two years.

6 months to
30 Dec 2025
Same period 2024 Same period 2023
Rank 116 134 130
Rank change year-on-year +18 -4 -40
Permanent jobs citing Unit Testing 10 35 40
As % of all permanent jobs in the City of London 0.48% 1.29% 1.41%
As % of the Processes & Methodologies category 0.54% 1.35% 1.48%
Number of salaries quoted 7 21 27
10th Percentile £80,500 - £42,200
25th Percentile £97,500 £52,500 £52,500
Median annual salary (50th Percentile) £125,000 £82,500 £65,000
Median % change year-on-year +51.52% +26.92% -36.59%
75th Percentile - £112,500 £93,750
90th Percentile £143,000 £150,000 £101,000
Central London median annual salary £125,000 £81,250 £65,000
% change year-on-year +53.85% +25.00% -36.59%

All Process & Methodology Skills
City of London

Unit 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 1,837 2,590 2,707
As % of all permanent jobs advertised in the City of London 87.64% 95.47% 95.12%
Number of salaries quoted 1,364 1,691 2,434
10th Percentile £42,500 £46,250 £40,750
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% - -

Unit Testing
Job Vacancy Trend in the City of London

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

Unit Testing job vacancy trend in the City of London

Unit Testing
Salary Trend in the City of London

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

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

Unit Testing
Salary Histogram in the City of London

Salary distribution for jobs citing Unit Testing in the City of London over the 6 months to 30 December 2025.

Salary histogram for Unit Testing in the City of London

Unit 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:

Cloud Services
1 3 (30.00%) Azure
2 2 (20.00%) AWS
2 2 (20.00%) GCP
3 1 (10.00%) Dynamics 365
3 1 (10.00%) Power Platform
Communications & Networking
1 3 (30.00%) Multicast
Database & Business Intelligence
1 2 (20.00%) Big Data
1 2 (20.00%) Hadoop
2 1 (10.00%) KDB
2 1 (10.00%) Relational Database
2 1 (10.00%) Tick Data
Development Applications
1 2 (20.00%) Jenkins
1 2 (20.00%) JMeter
1 2 (20.00%) JUnit
1 2 (20.00%) Selenium
1 2 (20.00%) WebDriver
2 1 (10.00%) Cucumber
2 1 (10.00%) Visual Studio
General
1 4 (40.00%) Finance
1 4 (40.00%) Front Office
2 3 (30.00%) Retail
2 3 (30.00%) Social Skills
3 2 (20.00%) Analytical Skills
3 2 (20.00%) Manufacturing
4 1 (10.00%) Law
Job Titles
1 6 (60.00%) Developer
2 3 (30.00%) C++ Developer
3 2 (20.00%) Data Scientist
3 2 (20.00%) Lead
3 2 (20.00%) Senior
3 2 (20.00%) Senior Data Scientist
4 1 (10.00%) Dynamics 365 Developer
4 1 (10.00%) Electronic Trading Developer
4 1 (10.00%) Electronic Trading Java Developer
4 1 (10.00%) Java Developer
4 1 (10.00%) ServiceNow Developer
Libraries, Frameworks & Software Standards
1 4 (40.00%) FIX Protocol
2 3 (30.00%) Kafka
2 3 (30.00%) REST
3 2 (20.00%) Apache Thrift
3 2 (20.00%) JSON
3 2 (20.00%) NumPy
3 2 (20.00%) Pandas
3 2 (20.00%) PySpark
3 2 (20.00%) PyTorch
3 2 (20.00%) scikit-learn
4 1 (10.00%) ADO
4 1 (10.00%) CSS
4 1 (10.00%) HTML
4 1 (10.00%) Java Concurrency
4 1 (10.00%) SOAP
4 1 (10.00%) XML
Miscellaneous
1 4 (40.00%) Derivative
2 2 (20.00%) Mobile App
3 1 (10.00%) Algorithms
3 1 (10.00%) Cloud Native
3 1 (10.00%) CMDB
3 1 (10.00%) Data Structures
3 1 (10.00%) Distributed Systems
Operating Systems
1 3 (30.00%) Linux
1 3 (30.00%) Red Hat Enterprise Linux
Processes & Methodologies
1 4 (40.00%) Low Latency
2 3 (30.00%) Analytics
2 3 (30.00%) Concurrent Programming
2 3 (30.00%) Mathematics
2 3 (30.00%) SOA
2 3 (30.00%) Systems Analysis
3 2 (20.00%) Coaching
3 2 (20.00%) Data Science
3 2 (20.00%) Digital Transformation Strategy
3 2 (20.00%) Machine Learning
3 2 (20.00%) Mentoring
3 2 (20.00%) OO
3 2 (20.00%) Performance Testing
3 2 (20.00%) SDET
3 2 (20.00%) Software Testing
3 2 (20.00%) Statistical Analysis
3 2 (20.00%) Statistics
3 2 (20.00%) Test Planning
3 2 (20.00%) Test Strategy
3 2 (20.00%) Visualisation
Programming Languages
1 3 (30.00%) C++
1 3 (30.00%) Java
1 3 (30.00%) SQL
2 2 (20.00%) Python
3 1 (10.00%) JavaScript
3 1 (10.00%) X++
Qualifications
1 3 (30.00%) Degree
2 2 (20.00%) Master's Degree
2 2 (20.00%) PhD
3 1 (10.00%) Computer Science Degree
Quality Assurance & Compliance
1 1 (10.00%) QA
1 1 (10.00%) SLA
System Software
1 2 (20.00%) Docker
Vendors
1 3 (30.00%) Red Hat
2 1 (10.00%) Microsoft
2 1 (10.00%) ServiceNow