Period
to 3 June 2020

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Unit Testing skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Unit Testing over the 6 months to 3 June 2020 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Unit Testing
Central London > City of London
6 months to
3 Jun 2020
Same period 2019 Same period 2018
Rank 97 123 109
Rank change year-on-year +26 -14 -21
Contract jobs citing Unit Testing 44 114 163
As % of all contract jobs advertised in the City of London 1.48% 1.80% 2.36%
As % of the Processes & Methodologies category 1.69% 2.01% 2.67%
Number of daily rates quoted 26 81 124
Median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% -
10th Percentile £385 £413 £373
90th Percentile £631 £688 £636
Central London median daily rate £500 £500 £475
% change year-on-year - +5.26% -5.00%
Number of hourly rates quoted 0 2 0
Median hourly rate - £56.00 -
Central London median hourly rate - £56.00 -

Unit Testing is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Contract vacancies with a requirement for process or methodology skills 2,596 5,667 6,114
As % of all contract IT jobs advertised in the City of London 87.20% 89.47% 88.51%
Number of daily rates quoted 1,841 4,367 4,834
Median daily rate £513 £525 £505
Median daily rate % change year-on-year -2.38% +3.96% +1.00%
10th Percentile £331 £350 £325
90th Percentile £675 £675 £688
Central London median daily rate £500 £525 £500
% change year-on-year -4.76% +5.00% +4.17%
Number of hourly rates quoted 61 60 97
Median hourly rate £27.50 £20.57 £19.00
Median hourly rate % change year-on-year +33.67% +8.28% +6.44%
10th Percentile £12.42 £11.25 £12.50
90th Percentile £52.25 £56.50 £38.48
Median hourly rate £35.00 £20.65 £20.00
% change year-on-year +69.53% +3.23% +25.00%

Unit Testing
Job Vacancy Trend in the City of London

Job postings citing Unit Testing as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Unit Testing in the City of London

Unit Testing
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing Unit Testing in the City of London.

Daily rate trend for Unit Testing in the City of London

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 3 June 2020.

Daily rate histogram for Unit Testing in the City of London

Unit Testing
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Unit Testing in the City of London.

Hourly rate trend for Unit Testing in the City of London

For the 6 months to 3 June 2020, IT contractor jobs citing Unit Testing also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for Unit Testing.

1 26 (59.09%) SQL Server
2 20 (45.45%) C#
3 19 (43.18%) Agile Software Development
4 18 (40.91%) SQL
4 18 (40.91%) .NET
5 16 (36.36%) JavaScript
6 15 (34.09%) OO
7 14 (31.82%) Finance
8 13 (29.55%) Java
9 12 (27.27%) T-SQL
10 11 (25.00%) Microsoft
10 11 (25.00%) Scrum
10 11 (25.00%) SQL Server Integration Services
10 11 (25.00%) Multithreading
11 10 (22.73%) Banking
11 10 (22.73%) HTML
11 10 (22.73%) Web Services
11 10 (22.73%) ASP.NET
11 10 (22.73%) Team Foundation Server
11 10 (22.73%) Test Automation
12 9 (20.45%) AngularJS
12 9 (20.45%) Relational Database
12 9 (20.45%) React
12 9 (20.45%) Oracle
12 9 (20.45%) OOD
12 9 (20.45%) TDD
12 9 (20.45%) QA
13 8 (18.18%) Fixed Income
13 8 (18.18%) Docker
13 8 (18.18%) DevOps

Unit Testing
Co-occurring IT Skills in the City of London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 2 (4.55%) Anypoint
1 2 (4.55%) Apache Spark
1 2 (4.55%) Confluence
1 2 (4.55%) Mule
1 2 (4.55%) Mule ESB
1 2 (4.55%) SAS
2 1 (2.27%) Apache
2 1 (2.27%) Oracle SOA Suite
2 1 (2.27%) Oracle Workflow
Applications
1 7 (15.91%) Photoshop
2 6 (13.64%) Acrobat
3 2 (4.55%) Microsoft Office
Business Applications
1 1 (2.27%) Oracle ERP
Cloud Services
1 8 (18.18%) Azure
2 5 (11.36%) AWS
3 3 (6.82%) GitHub
4 1 (2.27%) Azure Stack
4 1 (2.27%) GCP
4 1 (2.27%) npm
4 1 (2.27%) OpenShift
4 1 (2.27%) PaaS
4 1 (2.27%) Power Platform
4 1 (2.27%) Serverless
4 1 (2.27%) Yarn
Communications & Networking
1 1 (2.27%) HTTP
Database & Business Intelligence
1 26 (59.09%) SQL Server
2 11 (25.00%) SQL Server Integration Services
3 9 (20.45%) Relational Database
4 7 (15.91%) RDBMS
5 5 (11.36%) Data Warehouse
6 3 (6.82%) SQL Server Reporting Services
7 2 (4.55%) MongoDB
8 1 (2.27%) Azure SQL Database
8 1 (2.27%) Big Data
8 1 (2.27%) Cosmos DB
8 1 (2.27%) Hadoop
8 1 (2.27%) Neo4j
8 1 (2.27%) NoSQL
8 1 (2.27%) Oracle Database
8 1 (2.27%) Oracle ODI
8 1 (2.27%) Parquet
8 1 (2.27%) Power BI
8 1 (2.27%) Qlik Sense
8 1 (2.27%) SQL Server 2016
8 1 (2.27%) SSDT
Development Applications
1 10 (22.73%) Team Foundation Server
2 6 (13.64%) Ant
2 6 (13.64%) Visual Studio
3 4 (9.09%) Git (software)
4 2 (4.55%) Atlassian Bamboo
4 2 (4.55%) Cucumber
4 2 (4.55%) JIRA
4 2 (4.55%) JUnit
4 2 (4.55%) Mockito
5 1 (2.27%) GitLab
5 1 (2.27%) Jasmine
5 1 (2.27%) Jenkins
5 1 (2.27%) Oracle Forms
5 1 (2.27%) SpecFlow
General
1 14 (31.82%) Finance
2 10 (22.73%) Banking
3 3 (6.82%) Back Office
4 2 (4.55%) Front Office
4 2 (4.55%) Investment Banking
5 1 (2.27%) Billing
5 1 (2.27%) Legal
5 1 (2.27%) Private Banking
5 1 (2.27%) Retail
Job Titles
1 38 (86.36%) Developer
2 8 (18.18%) C# Developer
2 8 (18.18%) Java Developer
2 8 (18.18%) SQL Developer
3 6 (13.64%) .NET Developer
3 6 (13.64%) ASP.NET Developer
4 4 (9.09%) React Developer
5 3 (6.82%) Business Intelligence Developer
5 3 (6.82%) SSIS Developer
6 2 (4.55%) Agile Developer
6 2 (4.55%) Agile Java Developer
6 2 (4.55%) Angular Developer
6 2 (4.55%) Business Intelligence Analyst
6 2 (4.55%) ETL Analyst
6 2 (4.55%) Front End Developer (Client-Side Developer)
6 2 (4.55%) Full Stack Developer
6 2 (4.55%) JavaScript Developer
6 2 (4.55%) SQL Analyst
6 2 (4.55%) SQL BI Developer
6 2 (4.55%) SQL Data Analyst
Libraries, Frameworks & Software Standards
1 18 (40.91%) .NET
2 10 (22.73%) ASP.NET
2 10 (22.73%) HTML
2 10 (22.73%) Web Services
3 9 (20.45%) AngularJS
3 9 (20.45%) React
4 8 (18.18%) REST
5 7 (15.91%) HTML5
6 6 (13.64%) Swing
6 6 (13.64%) WPF
7 5 (11.36%) RESTful
7 5 (11.36%) Spring
8 4 (9.09%) .NET Framework
8 4 (9.09%) ASP.NET Web API
8 4 (9.09%) JMS
8 4 (9.09%) Node.js
8 4 (9.09%) Redux
8 4 (9.09%) SOAP
8 4 (9.09%) XML
9 3 (6.82%) WCF
Miscellaneous
1 8 (18.18%) Fixed Income
2 7 (15.91%) Data Structures
2 7 (15.91%) Enterprise Software
3 5 (11.36%) Greenfield Project
4 3 (6.82%) Cloud Native
4 3 (6.82%) Hedge funds
5 2 (4.55%) Credit Risk
5 2 (4.55%) Reinsurance
5 2 (4.55%) User Experience
6 1 (2.27%) Analytical Skills
6 1 (2.27%) Data Centre
6 1 (2.27%) Hybrid Cloud
6 1 (2.27%) Management Information System
6 1 (2.27%) Market Risk
6 1 (2.27%) Self-Motivation
6 1 (2.27%) Virtual Team
Operating Systems
1 5 (11.36%) Windows
2 2 (4.55%) Linux
3 1 (2.27%) Apple iOS
3 1 (2.27%) VMS
Processes & Methodologies
1 19 (43.18%) Agile Software Development
2 15 (34.09%) OO
3 11 (25.00%) Multithreading
3 11 (25.00%) Scrum
4 10 (22.73%) Test Automation
5 9 (20.45%) OOD
5 9 (20.45%) TDD
6 8 (18.18%) DevOps
6 8 (18.18%) Microservices
7 7 (15.91%) Concurrent Programming
7 7 (15.91%) Electronic Trading
7 7 (15.91%) Kanban
7 7 (15.91%) Multithreaded Programming
8 6 (13.64%) Continuous Integration
8 6 (13.64%) SOA
8 6 (13.64%) Software Engineering
9 5 (11.36%) Business Intelligence
9 5 (11.36%) SDLC
9 5 (11.36%) Web Development
10 4 (9.09%) ETL
Programming Languages
1 20 (45.45%) C#
2 18 (40.91%) SQL
3 16 (36.36%) JavaScript
4 13 (29.55%) Java
5 12 (27.27%) T-SQL
6 8 (18.18%) PowerShell
7 4 (9.09%) TypeScript
8 2 (4.55%) ES6
8 2 (4.55%) Java 8
9 1 (2.27%) C++
9 1 (2.27%) Kotlin
9 1 (2.27%) MUMPS
9 1 (2.27%) PHP
9 1 (2.27%) Python
9 1 (2.27%) VB.NET
Qualifications
1 5 (11.36%) Degree
2 4 (9.09%) SC Cleared
2 4 (9.09%) Security Cleared
3 1 (2.27%) Computer Science Degree
3 1 (2.27%) DV Cleared
3 1 (2.27%) Master's Degree
Quality Assurance & Compliance
1 9 (20.45%) QA
2 4 (9.09%) Solvency II
3 1 (2.27%) MiFID
System Software
1 8 (18.18%) Docker
Systems Management
1 6 (13.64%) Kubernetes
2 3 (6.82%) Ansible
3 1 (2.27%) Terraform
Vendors
1 11 (25.00%) Microsoft
2 9 (20.45%) Oracle
3 7 (15.91%) Adobe
4 2 (4.55%) DocuSign
4 2 (4.55%) MuleSoft
5 1 (2.27%) Cognos
5 1 (2.27%) IBM
5 1 (2.27%) Informatica
5 1 (2.27%) MapR
5 1 (2.27%) Tableau