Period
to 14 December 2018

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 14 December 2018 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
14 Dec 2018
Same period 2017 Same period 2016
Rank 108 112 101
Rank change year-on-year +4 -11 +25
Contract jobs citing Unit Testing 159 156 163
As % of all contract IT jobs advertised in the City of London 2.23% 2.17% 2.49%
As % of the Processes & Methodologies category 2.56% 2.42% 2.81%
Number of daily rates quoted 112 119 144
City of London median daily rate £525 £475 £500
Median daily rate % change year-on-year +10.53% -5.00% +5.26%
10th Percentile £415 £386 £363
90th Percentile £675 £688 £638
Central London median daily rate £500 £475 £475
% change year-on-year +5.26% - -
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

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 6,218 6,438 5,799
As % of all contract IT jobs advertised in the City of London 87.33% 89.54% 88.60%
Number of daily rates quoted 4,898 5,137 4,593
City of London median daily rate £513 £505 £475
Median daily rate % change year-on-year +1.49% +6.32% -
10th Percentile £325 £325 £319
90th Percentile £675 £688 £675
Central London median daily rate £505 £500 £475
% change year-on-year +1.00% +5.26% +2.70%
Number of hourly rates quoted 84 60 53
City of London median hourly rate £18.85 £18.70 £20.00
Median hourly rate % change year-on-year +0.80% -6.50% -
10th Percentile £13.31 £13.15 £13.75
90th Percentile £34.40 £31.05 £55.00
Central London median hourly rate £19.00 £20.25 £19.00
% change year-on-year -6.17% +6.58% -5.00%

Unit Testing
Job Vacancy Trend in the City of London

Job postings citing Unit Testing as a percentage 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

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Unit Testing in the City of London.

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

Unit Testing
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Unit Testing in the City of London over the 6 months to 14 December 2018.

Contractor daily rate histogram for Unit Testing in the City of London

Unit Testing
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Unit Testing in the City of London.

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

For the 6 months to 14 December 2018, 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 97 (61.01%) Agile Software Development
2 86 (54.09%) TDD
3 62 (38.99%) C#
4 61 (38.36%) Finance
5 57 (35.85%) JavaScript
6 54 (33.96%) SQL
7 49 (30.82%) .NET
8 44 (27.67%) Test Automation
9 41 (25.79%) Java
10 40 (25.16%) HTML
11 38 (23.90%) SQL Server
12 37 (23.27%) CSS
13 34 (21.38%) BDD
14 32 (20.13%) MVC
14 32 (20.13%) RESTful
14 32 (20.13%) Git (software)
15 30 (18.87%) Multithreading
15 30 (18.87%) Scrum
16 28 (17.61%) Microsoft Azure
16 28 (17.61%) Software Engineering
16 28 (17.61%) AngularJS
17 27 (16.98%) Continuous Integration
18 26 (16.35%) Microservices
18 26 (16.35%) React
19 25 (15.72%) Microsoft
20 24 (15.09%) HTML5
21 23 (14.47%) Node.js
22 22 (13.84%) Amazon AWS
22 22 (13.84%) Web Development
23 21 (13.21%) Computer Science

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 15 (9.43%) CMS
2 12 (7.55%) Elasticsearch
3 9 (5.66%) NServiceBus
4 6 (3.77%) Confluence
5 4 (2.52%) Apache
5 4 (2.52%) Apache Spark
5 4 (2.52%) Cloud Foundry
5 4 (2.52%) Oracle SOA Suite
6 3 (1.89%) Tomcat
7 2 (1.26%) Apache Solr
7 2 (1.26%) Drupal
7 2 (1.26%) WebLogic
8 1 (0.63%) Alfresco
8 1 (0.63%) Content Management Server
8 1 (0.63%) JBoss
8 1 (0.63%) OpenStack
8 1 (0.63%) Umbraco
8 1 (0.63%) WordPress
Applications
1 4 (2.52%) Microsoft Excel
2 3 (1.89%) Acrobat
2 3 (1.89%) Photoshop
3 2 (1.26%) Adobe Illustrator
3 2 (1.26%) InVision
4 1 (0.63%) Microsoft PowerPoint
4 1 (0.63%) Microsoft Project
4 1 (0.63%) MS Visio
Business Applications
1 1 (0.63%) BusinessWorks
1 1 (0.63%) Kondor
1 1 (0.63%) Payment Gateway
Cloud Services
1 28 (17.61%) Microsoft Azure
2 22 (13.84%) Amazon AWS
3 15 (9.43%) Cloud Computing
4 6 (3.77%) AWS Lambda
4 6 (3.77%) Serverless
5 4 (2.52%) GitHub
6 3 (1.89%) Heroku
6 3 (1.89%) PaaS
7 2 (1.26%) Amazon EC2
7 2 (1.26%) Apigee
7 2 (1.26%) AWS CloudFormation
7 2 (1.26%) Azure Active Directory
7 2 (1.26%) Azure Functions
7 2 (1.26%) Google Cloud Platform
7 2 (1.26%) npm
7 2 (1.26%) Yarn
8 1 (0.63%) Amazon S3
8 1 (0.63%) AWS Fargate
8 1 (0.63%) Azure Data Factory
8 1 (0.63%) Data Lake Analytics
Communications & Networking
1 5 (3.14%) HTTP
2 4 (2.52%) Internet
3 3 (1.89%) DMARC
3 3 (1.89%) TCP/IP
4 1 (0.63%) FTP
4 1 (0.63%) SSL
Database & Business Intelligence
1 38 (23.90%) SQL Server
2 16 (10.06%) MySQL
3 11 (6.92%) Relational Database
4 9 (5.66%) PostgreSQL
5 8 (5.03%) SQL Server Integration Services
6 7 (4.40%) NoSQL
7 5 (3.14%) Data Warehouse
8 4 (2.52%) SQL Server 2012
8 4 (2.52%) SQL Server Reporting Services
9 3 (1.89%) Apache Cassandra
9 3 (1.89%) Azure SQL Database
9 3 (1.89%) Data Lake
9 3 (1.89%) RDBMS
9 3 (1.89%) Redis
10 2 (1.26%) Apache Hive
10 2 (1.26%) Hadoop
10 2 (1.26%) HBase
10 2 (1.26%) MongoDB
10 2 (1.26%) Riak
10 2 (1.26%) Spotfire
Development Applications
1 32 (20.13%) Git (software)
2 19 (11.95%) Jenkins
3 13 (8.18%) Mockito
4 12 (7.55%) JUnit
4 12 (7.55%) SpecFlow
5 11 (6.92%) Team Foundation Server
6 10 (6.29%) JIRA
6 10 (6.29%) Mocha
7 9 (5.66%) Jasmine
7 9 (5.66%) webpack
8 8 (5.03%) Atlassian Bamboo
8 8 (5.03%) Octopus Deploy
8 8 (5.03%) Selenium
9 7 (4.40%) Babel
9 7 (4.40%) gulp
9 7 (4.40%) Moq
9 7 (4.40%) Visual Studio
10 6 (3.77%) Maven
10 6 (3.77%) NUnit
10 6 (3.77%) TeamCity
General
1 61 (38.36%) Finance
2 21 (13.21%) Banking
3 12 (7.55%) Back Office
4 9 (5.66%) Front Office
5 8 (5.03%) Investment Banking
6 7 (4.40%) Retail
7 5 (3.14%) Financial Institution
8 3 (1.89%) Advertising
8 3 (1.89%) Automotive
9 2 (1.26%) Prime Brokerage
10 1 (0.63%) Digital Economy
10 1 (0.63%) Marketing
10 1 (0.63%) Pharmaceutical
10 1 (0.63%) Retail Banking
Job Titles
1 131 (82.39%) Developer
2 35 (22.01%) Senior Developer
3 30 (18.87%) .NET Developer
4 26 (16.35%) C# Developer
5 17 (10.69%) Java Developer
6 15 (9.43%) React Developer
7 12 (7.55%) Front End Developer (Client-Side Developer)
7 12 (7.55%) PHP Developer
8 11 (6.92%) Agile Developer
8 11 (6.92%) C# .NET Developer
8 11 (6.92%) Full Stack Developer
9 10 (6.29%) Agile Java Developer
9 10 (6.29%) Senior C# Developer
10 8 (5.03%) SQL Developer
11 7 (4.40%) Analyst
11 7 (4.40%) DevOps Developer
12 6 (3.77%) Angular Developer
12 6 (3.77%) JavaScript Developer
12 6 (3.77%) Senior Front-End Developer
13 5 (3.14%) Python Developer
Libraries, Frameworks & Software Standards
1 49 (30.82%) .NET
2 40 (25.16%) HTML
3 37 (23.27%) CSS
4 32 (20.13%) RESTful
5 28 (17.61%) AngularJS
6 26 (16.35%) React
7 24 (15.09%) HTML5
8 23 (14.47%) Node.js
9 18 (11.32%) Web Services
10 17 (10.69%) REST
10 17 (10.69%) Spring
11 16 (10.06%) JSON
12 15 (9.43%) .NET Framework
12 15 (9.43%) WPF
13 14 (8.81%) RabbitMQ
13 14 (8.81%) Sass
14 13 (8.18%) ASP.NET
14 13 (8.18%) jQuery
14 13 (8.18%) Redux
15 12 (7.55%) Entity Framework
Miscellaneous
1 20 (12.58%) User Experience
2 18 (11.32%) Greenfield Project
3 15 (9.43%) Fintech
3 15 (9.43%) Mobile App
4 13 (8.18%) Derivative
5 11 (6.92%) Fixed Income
6 10 (6.29%) Analytical Skills
7 8 (5.03%) Foreign Exchange (FX)
8 6 (3.77%) Equities
8 6 (3.77%) Hedge funds
9 5 (3.14%) Algorithms
10 4 (2.52%) Analytical Mindset
10 4 (2.52%) Blog
10 4 (2.52%) RIA
11 3 (1.89%) Data Structures
11 3 (1.89%) Enterprise Software
11 3 (1.89%) Smart City
12 2 (1.26%) OTC Derivatives
12 2 (1.26%) Self-Motivation
13 1 (0.63%) Linux Command Line
Operating Systems
1 7 (4.40%) Unix
2 6 (3.77%) Apple iOS
2 6 (3.77%) Linux
3 3 (1.89%) Android
3 3 (1.89%) Windows
4 1 (0.63%) Solaris
Processes & Methodologies
1 97 (61.01%) Agile Software Development
2 86 (54.09%) TDD
3 44 (27.67%) Test Automation
4 34 (21.38%) BDD
5 32 (20.13%) MVC
6 30 (18.87%) Multithreading
6 30 (18.87%) Scrum
7 28 (17.61%) Software Engineering
8 27 (16.98%) Continuous Integration
9 26 (16.35%) Microservices
10 22 (13.84%) Web Development
11 21 (13.21%) Computer Science
11 21 (13.21%) OO
12 19 (11.95%) SOA
13 18 (11.32%) Front End Development
13 18 (11.32%) SDLC
14 17 (10.69%) Problem-Solving
15 16 (10.06%) Kanban
16 15 (9.43%) DevOps
16 15 (9.43%) E-Commerce
Programming Languages
1 62 (38.99%) C#
2 57 (35.85%) JavaScript
3 54 (33.96%) SQL
4 41 (25.79%) Java
5 20 (12.58%) T-SQL
6 18 (11.32%) PHP
7 17 (10.69%) Python
8 11 (6.92%) ES6
9 9 (5.66%) TypeScript
10 7 (4.40%) PowerShell
11 6 (3.77%) Go
11 6 (3.77%) Kotlin
11 6 (3.77%) Objective-C
12 5 (3.14%) C
13 4 (2.52%) Apple Swift
14 3 (1.89%) Bash Shell
14 3 (1.89%) Scala
14 3 (1.89%) VBA
15 2 (1.26%) C++
15 2 (1.26%) PL/SQL
Qualifications
1 19 (11.95%) Degree
2 12 (7.55%) Computer Science Degree
3 5 (3.14%) SC Cleared
3 5 (3.14%) Security Cleared
4 2 (1.26%) ISEB
5 1 (0.63%) BPSS Clearance
5 1 (0.63%) ISTQB Foundation Certification
5 1 (0.63%) Numerate Degree
5 1 (0.63%) Siebel Certification
Quality Assurance & Compliance
1 19 (11.95%) QA
2 1 (0.63%) Solvency II
System Software
1 21 (13.21%) Docker
2 2 (1.26%) Active Directory
3 1 (0.63%) Virtual Machines
Systems Management
1 12 (7.55%) Ansible
2 5 (3.14%) Kubernetes
2 5 (3.14%) Opscode Chef
3 4 (2.52%) Puppet
4 1 (0.63%) Terraform
Vendors
1 25 (15.72%) Microsoft
2 8 (5.03%) Oracle
3 6 (3.77%) TIBCO
4 3 (1.89%) Adobe
4 3 (1.89%) Cadence
4 3 (1.89%) Sybase
4 3 (1.89%) Tableau
5 2 (1.26%) Google
5 2 (1.26%) Informatica
5 2 (1.26%) Pega
6 1 (0.63%) Atlassian
6 1 (0.63%) Bloomberg
6 1 (0.63%) MicroStrategy
6 1 (0.63%) Misys
6 1 (0.63%) Rackspace
6 1 (0.63%) Reuters
6 1 (0.63%) SaltStack
6 1 (0.63%) Siebel
6 1 (0.63%) Splunk