Unit Testing Contract Job Trends in the City of London

Unit Testing
Central London > City of London

The table below provides summary statistics and contractor rates for jobs advertised in the City of London requiring Unit Testing skills. It covers contract job vacancies from the 6 months leading up to 1 December 2025, with comparisons to the same periods in the previous two years.

6 months to
1 Dec 2025
Same period 2024 Same period 2023
Rank 100 101 117
Rank change year-on-year +1 +16 -35
Contract jobs citing Unit Testing 24 28 23
As % of all contract jobs in the City of London 1.35% 1.31% 0.86%
As % of the Processes & Methodologies category 1.47% 1.43% 0.96%
Number of daily rates quoted 18 14 20
10th Percentile £401 £404 £459
25th Percentile £513 £463 £560
Median daily rate (50th Percentile) £579 £625 £683
Median % change year-on-year -7.36% -8.46% +17.67%
75th Percentile £784 £688 £797
90th Percentile £788 £791 £834
Central London median daily rate £525 £578 £683
% change year-on-year -9.17% -15.31% +17.67%

All Process and 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 contract job vacancies requiring process or methodology skills in the City of London.

Contract vacancies with a requirement for process or methodology skills 1,636 1,959 2,401
As % of all contract IT jobs advertised in the City of London 92.33% 91.50% 89.66%
Number of daily rates quoted 1,141 1,202 1,701
10th Percentile £338 £372 £363
25th Percentile £419 £474 £463
Median daily rate (50th Percentile) £550 £575 £575
Median % change year-on-year -4.35% - -
75th Percentile £675 £688 £690
90th Percentile £750 £788 £813
Central London median daily rate £550 £575 £575
% change year-on-year -4.35% - -
Number of hourly rates quoted 17 18 13
10th Percentile £20.02 £17.15 -
25th Percentile £25.75 £22.00 £17.00
Median hourly rate £34.00 £40.50 £25.00
Median % change year-on-year -16.05% +62.00% -51.92%
75th Percentile £47.50 £107.13 £46.75
90th Percentile £63.75 £137.50 £69.60
Central London median hourly rate £28.00 £35.00 £25.50
% change year-on-year -20.00% +37.25% -50.00%

Unit Testing
Job Vacancy Trend in the City of London

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

Unit Testing job vacancy trend in the City of London

Unit Testing
Daily Rate Trend in the City of London

Contractor daily rate distribution trend for jobs in the City of London citing Unit Testing.

Contractor daily rate distribution trend for jobs in the City of London citing Unit Testing

Unit Testing
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Unit Testing in the City of London over the 6 months to 1 December 2025.

Daily rate histogram for Unit Testing in the City of London

Unit Testing
Hourly Rate Trend in the City of London

Contractor hourly rate distribution trend for jobs in the City of London citing Unit Testing.

Contractor hourly rate distribution trend for jobs in the City of London citing Unit Testing

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:

Application Platforms
1 2 (8.33%) CMS
1 2 (8.33%) Confluence
2 1 (4.17%) Apache
2 1 (4.17%) Apache Spark
2 1 (4.17%) Cloud Foundry
2 1 (4.17%) SharePoint
Applications
1 2 (8.33%) Microsoft Excel
Business Applications
1 1 (4.17%) OpenText MBPM
1 1 (4.17%) Oracle BPM
1 1 (4.17%) SAP MDG
1 1 (4.17%) SAP PLM
1 1 (4.17%) SAP S/4HANA
1 1 (4.17%) SAP VC
Cloud Services
1 6 (25.00%) AWS
2 5 (20.83%) Azure
3 4 (16.67%) GCP
3 4 (16.67%) Power Platform
4 2 (8.33%) Firebase
4 2 (8.33%) GitHub
5 1 (4.17%) Amazon Kinesis
5 1 (4.17%) Amazon S3
5 1 (4.17%) Azure DevOps
5 1 (4.17%) Cloud Run
5 1 (4.17%) dbt
5 1 (4.17%) Figma
5 1 (4.17%) GitHub Actions
5 1 (4.17%) npm
5 1 (4.17%) SuccessFactors
Communications & Networking
1 2 (8.33%) tcpdump
Database & Business Intelligence
1 4 (16.67%) MongoDB
1 4 (16.67%) PostgreSQL
1 4 (16.67%) Power BI
2 3 (12.50%) Power Query
2 3 (12.50%) Relational Database
3 2 (8.33%) Data Warehouse
3 2 (8.33%) Enterprise Data Warehouse
3 2 (8.33%) MySQL
3 2 (8.33%) SQLite
4 1 (4.17%) Amazon Redshift
4 1 (4.17%) Data Lake
4 1 (4.17%) Delta Lake
4 1 (4.17%) KDB
4 1 (4.17%) Kdb+
4 1 (4.17%) SQL Server
4 1 (4.17%) Star Schema
Development Applications
1 11 (45.83%) Git
2 4 (16.67%) Jenkins
3 3 (12.50%) JIRA
4 2 (8.33%) CocoaPods
4 2 (8.33%) Crashlytics
4 2 (8.33%) Cypress.io
4 2 (8.33%) fastlane
4 2 (8.33%) Xcode
5 1 (4.17%) Android Studio
5 1 (4.17%) Bitbucket
5 1 (4.17%) GitLab
5 1 (4.17%) gulp
5 1 (4.17%) JUnit
5 1 (4.17%) Maven
5 1 (4.17%) Mockito
5 1 (4.17%) TeamCity
5 1 (4.17%) Visual Studio Code
5 1 (4.17%) Vite
5 1 (4.17%) webpack
General
1 12 (50.00%) Finance
2 5 (20.83%) Front Office
3 4 (16.67%) Banking
3 4 (16.67%) Social Skills
4 3 (12.50%) Pharmaceutical
5 2 (8.33%) Public Sector
6 1 (4.17%) Analytical Skills
6 1 (4.17%) Legal
Job Titles
1 19 (79.17%) Developer
2 8 (33.33%) Senior
3 4 (16.67%) Python Developer
3 4 (16.67%) Senior Developer
4 3 (12.50%) Backend Developer
4 3 (12.50%) Business Intelligence Developer
4 3 (12.50%) Java Developer
4 3 (12.50%) Power BI Developer
5 2 (8.33%) Front Office Developer
5 2 (8.33%) iOS Developer
5 2 (8.33%) Senior Backend Developer
5 2 (8.33%) Senior iOS Developer
5 2 (8.33%) Senior Python Developer
6 1 (4.17%) Analyst
6 1 (4.17%) Android Developer
6 1 (4.17%) SAP PLM Consultant
6 1 (4.17%) Senior Data Warehouse Specialist
6 1 (4.17%) SharePoint Developer
6 1 (4.17%) Test Analyst
6 1 (4.17%) UI Developer
Libraries, Frameworks & Software Standards
1 3 (12.50%) Node.js
1 3 (12.50%) RESTful
2 2 (8.33%) AVFoundation
2 2 (8.33%) Core Animation
2 2 (8.33%) Core Data
2 2 (8.33%) CSS
2 2 (8.33%) FastAPI
2 2 (8.33%) FIX Protocol
2 2 (8.33%) Hibernate
2 2 (8.33%) HTML
2 2 (8.33%) Playwright
2 2 (8.33%) React
2 2 (8.33%) RxSwift
2 2 (8.33%) Sass
2 2 (8.33%) Spring
2 2 (8.33%) Spring Boot
2 2 (8.33%) UIKit
3 1 (4.17%) AngularJS
3 1 (4.17%) Kafka
3 1 (4.17%) pytest
Miscellaneous
1 3 (12.50%) Algorithms
1 3 (12.50%) Cloud Native
1 3 (12.50%) Foreign Exchange (FX)
1 3 (12.50%) Mobile App
2 2 (8.33%) Animation
2 2 (8.33%) Data Structures
2 2 (8.33%) Life Science
2 2 (8.33%) Linux Command Line
2 2 (8.33%) Product Ownership
3 1 (4.17%) Distributed Systems
Operating Systems
1 2 (8.33%) Apple iOS
1 2 (8.33%) Linux
1 2 (8.33%) Unix
2 1 (4.17%) Android
2 1 (4.17%) Windows
2 1 (4.17%) Windows Server
Processes & Methodologies
1 13 (54.17%) Agile
2 11 (45.83%) Analytics
3 8 (33.33%) CI/CD
4 7 (29.17%) Scrum
4 7 (29.17%) Software Engineering
5 6 (25.00%) Code Quality
5 6 (25.00%) Performance Tuning
6 5 (20.83%) Kanban
6 5 (20.83%) TDD
7 4 (16.67%) Business Intelligence
7 4 (16.67%) Data Modelling
7 4 (16.67%) DevOps
7 4 (16.67%) Event-Driven
7 4 (16.67%) Mentoring
7 4 (16.67%) Microservices
7 4 (16.67%) Visualisation
8 3 (12.50%) Clean Code
8 3 (12.50%) Containerisation
8 3 (12.50%) Decision-Making
8 3 (12.50%) Sprint Planning
Programming Languages
1 8 (33.33%) Java
1 8 (33.33%) SQL
2 5 (20.83%) Python
3 4 (16.67%) JavaScript
4 3 (12.50%) Data Analysis Expressions
4 3 (12.50%) Kotlin
4 3 (12.50%) TypeScript
5 2 (8.33%) C#
5 2 (8.33%) Objective-C
5 2 (8.33%) Swift
6 1 (4.17%) ABAP
6 1 (4.17%) PowerShell
Qualifications
1 3 (12.50%) Degree
2 2 (8.33%) SC Cleared
2 2 (8.33%) Security Cleared
3 1 (4.17%) BPSS Clearance
3 1 (4.17%) Postgraduate
Quality Assurance & Compliance
1 4 (16.67%) Accessibility
1 4 (16.67%) QA
2 1 (4.17%) WCAG
System Software
1 3 (12.50%) Docker
Systems Management
1 2 (8.33%) Ansible
1 2 (8.33%) Kubernetes
1 2 (8.33%) Single Sign-On
2 1 (4.17%) Grafana
Vendors
1 4 (16.67%) Google
1 4 (16.67%) Microsoft
1 4 (16.67%) Oracle
2 3 (12.50%) Databricks
3 2 (8.33%) Apple
3 2 (8.33%) OpenText
3 2 (8.33%) SAP
4 1 (4.17%) IBM