Period
to 18 June 2019

The following table provides summary statistics for contract job vacancies advertised in Central 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 18 June 2019 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
London > Central London
6 months to
18 Jun 2019
Same period 2018 Same period 2017
Rank 127 113 100
Rank change year-on-year -14 -13 +40
Contract jobs citing Unit Testing 162 217 177
As % of all contract IT jobs advertised in Central London 1.93% 2.39% 2.41%
As % of the Processes & Methodologies category 2.14% 2.70% 2.74%
Number of daily rates quoted 116 171 132
Central London median daily rate £513 £475 £500
Median daily rate % change year-on-year +7.89% -5.00% +2.56%
10th Percentile £400 £363 £325
90th Percentile £675 £638 £638
London median daily rate £525 £500 £500
% change year-on-year +5.00% - +5.26%
Number of hourly rates quoted 2 0 0
Central London median hourly rate £56.00 - -
London median hourly rate £56.00 £150.00 £45.63
% change year-on-year -62.67% +228.77% +82.50%

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 Central London with a requirement for process or methodology skills.

All Process and Methodology Skills
Central London
Contract vacancies with a requirement for process or methodology skills 7,554 8,049 6,451
As % of all contract IT jobs advertised in Central London 89.94% 88.72% 87.98%
Number of daily rates quoted 5,788 6,277 4,935
Central London median daily rate £525 £500 £488
Median daily rate % change year-on-year +5.00% +2.56% +5.41%
10th Percentile £350 £325 £310
90th Percentile £675 £675 £663
London median daily rate £520 £500 £475
% change year-on-year +4.00% +5.26% +3.26%
Number of hourly rates quoted 75 119 58
Central London median hourly rate £21.50 £20.00 £16.96
Median hourly rate % change year-on-year +7.50% +17.92% -15.20%
10th Percentile £11.25 £12.50 £12.68
90th Percentile £55.40 £45.20 £28.59
London median hourly rate £24.76 £24.09 £24.86
% change year-on-year +2.76% -3.10% +18.38%

Unit Testing
Job Vacancy Trend in Central London

Job postings citing Unit Testing as a percentage of all IT jobs advertised in Central London.

Job vacancy trend for Unit Testing in Central London

Unit Testing
Contractor Daily Rate Trend in Central London

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

Contractor daily rate trend for Unit Testing in Central London

Unit Testing
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Unit Testing in Central London over the 6 months to 18 June 2019.

Contractor daily rate histogram for Unit Testing in Central London

Unit Testing
Contractor Hourly Rate Trend in Central London

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

Contractor hourly rate trend for Unit Testing in Central London

Unit Testing
Contract Job Locations in Central London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Unit Testing within the Central London region over the 6 months to 18 June 2019. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London -10 115 £550 +10.00% 7
West End of London +3 6 £550 -
Southwark -27 4 £575 +39.39%
City of Westminster - 2 £415 -
Kensington and Chelsea - 1 £325 -
Unit Testing
London

For the 6 months to 18 June 2019, 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 Central London region with a requirement for Unit Testing.

1 109 (67.28%) Agile Software Development
2 64 (39.51%) TDD
3 62 (38.27%) Git (software)
4 61 (37.65%) JavaScript
5 56 (34.57%) SQL
5 56 (34.57%) HTML
6 55 (33.95%) CSS
7 53 (32.72%) Java
8 48 (29.63%) Scrum
9 44 (27.16%) C#
10 43 (26.54%) Node.js
10 43 (26.54%) AngularJS
11 42 (25.93%) HTML5
11 42 (25.93%) Microservices
11 42 (25.93%) React
12 41 (25.31%) Test Automation
13 39 (24.07%) Finance
14 38 (23.46%) Continuous Integration
15 34 (20.99%) RESTful
15 34 (20.99%) Python
16 33 (20.37%) .NET
17 32 (19.75%) Amazon AWS
17 32 (19.75%) REST
18 30 (18.52%) Docker
19 26 (16.05%) DevOps
19 26 (16.05%) Team Foundation Server
20 25 (15.43%) Web Services
21 24 (14.81%) SQL Server
22 23 (14.20%) Microsoft Azure
22 23 (14.20%) SDLC

Unit Testing
Co-occurring IT Skills in Central 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 12 (7.41%) Confluence
2 6 (3.70%) IIS
3 4 (2.47%) Apache
4 3 (1.85%) ArcGIS
4 3 (1.85%) Cloud Foundry
4 3 (1.85%) GeoServer
5 2 (1.23%) Apache Solr
5 2 (1.23%) CMS
5 2 (1.23%) Elasticsearch
5 2 (1.23%) WebLogic
6 1 (0.62%) Adobe Experience Manager
6 1 (0.62%) Apache Spark
6 1 (0.62%) EPiServer
6 1 (0.62%) Sitecore CMS
6 1 (0.62%) WebSphere
Applications
1 3 (1.85%) Photoshop
1 3 (1.85%) Sketch
2 1 (0.62%) Microsoft Excel
2 1 (0.62%) Microsoft Office
2 1 (0.62%) Microsoft PowerPoint
Business Applications
1 2 (1.23%) Distributed Ledger
2 1 (0.62%) Eloqua
2 1 (0.62%) Magento
2 1 (0.62%) Shopify
Cloud Services
1 32 (19.75%) Amazon AWS
2 23 (14.20%) Microsoft Azure
3 18 (11.11%) AWS Lambda
3 18 (11.11%) Serverless
4 10 (6.17%) GitHub
5 6 (3.70%) Azure Functions
6 5 (3.09%) AWS CloudFormation
6 5 (3.09%) SaaS
7 4 (2.47%) Cloud Computing
7 4 (2.47%) npm
8 3 (1.85%) Amazon EC2
8 3 (1.85%) AWS Fargate
8 3 (1.85%) Datadog
8 3 (1.85%) Google Cloud Platform
8 3 (1.85%) PaaS
9 1 (0.62%) Google Play
9 1 (0.62%) Power Platform
9 1 (0.62%) Yarn
Communications & Networking
1 4 (2.47%) HTTP
2 2 (1.23%) DNS
2 2 (1.23%) TCP/IP
Database & Business Intelligence
1 24 (14.81%) SQL Server
2 16 (9.88%) Relational Database
3 12 (7.41%) MongoDB
4 9 (5.56%) PostgreSQL
5 8 (4.94%) Apache Cassandra
6 6 (3.70%) MySQL
6 6 (3.70%) SQL Server Integration Services
7 5 (3.09%) Couchbase
8 4 (2.47%) NoSQL
8 4 (2.47%) Redis
9 3 (1.85%) Amazon RDS
9 3 (1.85%) Big Data
9 3 (1.85%) Geospatial Data
9 3 (1.85%) GIS
9 3 (1.85%) KDB
9 3 (1.85%) QGIS
9 3 (1.85%) SQL Server 2008
9 3 (1.85%) SQL Server 2012
10 2 (1.23%) Oracle Database
10 2 (1.23%) SQL Server 2016
Development Applications
1 62 (38.27%) Git (software)
2 26 (16.05%) Team Foundation Server
3 20 (12.35%) Jenkins
3 20 (12.35%) JIRA
3 20 (12.35%) Mocha
4 19 (11.73%) Octopus Deploy
5 10 (6.17%) Jasmine
5 10 (6.17%) JUnit
5 10 (6.17%) Maven
6 9 (5.56%) gulp
6 9 (5.56%) Mockito
6 9 (5.56%) Selenium
6 9 (5.56%) webpack
7 7 (4.32%) NUnit
8 6 (3.70%) Atlassian Bamboo
8 6 (3.70%) Karma Test Runner
8 6 (3.70%) SpecFlow
8 6 (3.70%) TeamCity
9 5 (3.09%) Gatling
9 5 (3.09%) MSTest
General
1 39 (24.07%) Finance
2 15 (9.26%) Retail
3 11 (6.79%) Banking
4 9 (5.56%) Front Office
5 5 (3.09%) Marketing
6 4 (2.47%) Back Office
7 3 (1.85%) Investment Banking
8 2 (1.23%) Financial Institution
8 2 (1.23%) Law
8 2 (1.23%) Publishing
9 1 (0.62%) Advertising
9 1 (0.62%) Automotive
9 1 (0.62%) Legal
9 1 (0.62%) Prime Brokerage
Job Titles
1 117 (72.22%) Developer
2 21 (12.96%) Full Stack Developer
3 19 (11.73%) Front End Developer (Client-Side Developer)
4 18 (11.11%) C# Developer
5 17 (10.49%) Java Developer
6 15 (9.26%) .NET Developer
7 12 (7.41%) React Developer
8 10 (6.17%) Python Developer
8 10 (6.17%) Senior Developer
9 9 (5.56%) JavaScript Developer
10 8 (4.94%) C# .NET Developer
11 6 (3.70%) Agile Developer
11 6 (3.70%) DevOps Engineer
11 6 (3.70%) Software Engineer
11 6 (3.70%) Web Developer
12 5 (3.09%) Front End Web Developer (Client-Side Developer)
12 5 (3.09%) JavaScript Engineer
12 5 (3.09%) Lead Developer
12 5 (3.09%) Python Engineer
12 5 (3.09%) Software Developer
Libraries, Frameworks & Software Standards
1 56 (34.57%) HTML
2 55 (33.95%) CSS
3 43 (26.54%) AngularJS
3 43 (26.54%) Node.js
4 42 (25.93%) HTML5
4 42 (25.93%) React
5 34 (20.99%) RESTful
6 33 (20.37%) .NET
7 32 (19.75%) REST
8 25 (15.43%) Web Services
9 21 (12.96%) Jest
10 19 (11.73%) Redux
11 18 (11.11%) ASP.NET
12 17 (10.49%) Spring
13 16 (9.88%) Angular 2
13 16 (9.88%) Chai
13 16 (9.88%) JSON
14 15 (9.26%) jQuery
14 15 (9.26%) Kafka
15 14 (8.64%) Sass
Miscellaneous
1 14 (8.64%) Greenfield Project
2 9 (5.56%) User Experience
3 8 (4.94%) Algorithms
4 7 (4.32%) Analytical Skills
5 6 (3.70%) Data Structures
5 6 (3.70%) Enterprise Software
6 5 (3.09%) Derivative
6 5 (3.09%) Equities
6 5 (3.09%) Hedge funds
7 3 (1.85%) Client/Server
7 3 (1.85%) Cloud Native
7 3 (1.85%) Foreign Exchange (FX)
7 3 (1.85%) Mobile App
7 3 (1.85%) Self-Motivation
7 3 (1.85%) W3C
8 2 (1.23%) Analytical Mindset
8 2 (1.23%) Data Protection Act
8 2 (1.23%) Life Science
8 2 (1.23%) Mainframe
8 2 (1.23%) Spread Betting
Operating Systems
1 14 (8.64%) Linux
2 6 (3.70%) Unix
3 4 (2.47%) Windows
4 2 (1.23%) Android
4 2 (1.23%) CentOS
4 2 (1.23%) Red Hat Enterprise Linux
4 2 (1.23%) Ubuntu
5 1 (0.62%) Apple iOS
Processes & Methodologies
1 109 (67.28%) Agile Software Development
2 64 (39.51%) TDD
3 48 (29.63%) Scrum
4 42 (25.93%) Microservices
5 41 (25.31%) Test Automation
6 38 (23.46%) Continuous Integration
7 26 (16.05%) DevOps
8 23 (14.20%) SDLC
9 21 (12.96%) Front End Development
9 21 (12.96%) Software Engineering
10 19 (11.73%) Responsive Web Design
11 17 (10.49%) OO
12 16 (9.88%) MVC
12 16 (9.88%) Pair Programming
12 16 (9.88%) Problem-Solving
12 16 (9.88%) SOLID
13 14 (8.64%) Continuous Improvement
13 14 (8.64%) Investment Management
13 14 (8.64%) Web Development
14 13 (8.02%) E-Commerce
Programming Languages
1 61 (37.65%) JavaScript
2 56 (34.57%) SQL
3 53 (32.72%) Java
4 44 (27.16%) C#
5 34 (20.99%) Python
6 11 (6.79%) ES6
7 9 (5.56%) TypeScript
8 8 (4.94%) Go
9 5 (3.09%) Bash Shell
10 4 (2.47%) Java 8
10 4 (2.47%) Shell Script
11 3 (1.85%) AWK
11 3 (1.85%) C
11 3 (1.85%) Ruby
11 3 (1.85%) Scala
11 3 (1.85%) sed
11 3 (1.85%) T-SQL
12 2 (1.23%) C++
12 2 (1.23%) Kotlin
12 2 (1.23%) PowerShell
Qualifications
1 16 (9.88%) Degree
2 5 (3.09%) Security Cleared
3 4 (2.47%) SC Cleared
4 3 (1.85%) Numerate Degree
5 1 (0.62%) Computer Science Degree
5 1 (0.62%) Master's Degree
5 1 (0.62%) SAFe Agilist
Quality Assurance & Compliance
1 18 (11.11%) QA
2 3 (1.85%) Solvency II
System Software
1 30 (18.52%) Docker
2 1 (0.62%) Apache Flume
2 1 (0.62%) Apache ZooKeeper
2 1 (0.62%) zsh
Systems Management
1 6 (3.70%) Kubernetes
2 5 (3.09%) Terraform
3 4 (2.47%) Ansible
4 2 (1.23%) Opscode Chef
4 2 (1.23%) Packer
4 2 (1.23%) Puppet
5 1 (0.62%) Automic
5 1 (0.62%) Hadoop YARN
Vendors
1 13 (8.02%) Microsoft
2 9 (5.56%) Oracle
3 4 (2.47%) Google
3 4 (2.47%) hybris
3 4 (2.47%) Splunk
4 3 (1.85%) Bloomberg
4 3 (1.85%) ESRI
4 3 (1.85%) InterSystems
4 3 (1.85%) New Relic
5 2 (1.23%) Atlassian
5 2 (1.23%) Sybase
6 1 (0.62%) BISAM
6 1 (0.62%) Cadence
6 1 (0.62%) Cloudera
6 1 (0.62%) Cypress Semiconductor
6 1 (0.62%) Dynatrace
6 1 (0.62%) IBM
6 1 (0.62%) Pega
6 1 (0.62%) Sitecore
6 1 (0.62%) YouTube