Period
to 17 January 2018

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 17 January 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.

Test-Driven Development (TDD)
England > London
6 months to
17 Jan 2018
Same period 2017 Same period 2016
Rank 9 14 18
Rank change year-on-year +5 +4 +4
Contract jobs citing TDD 4,635 3,548 3,559
As % of all contract IT jobs advertised in London 9.97% 8.43% 8.19%
As % of the Processes & Methodologies category 11.51% 9.80% 9.67%
Number of daily rates quoted 3,934 2,974 2,891
London median daily rate £515 £488 £475
Median daily rate % change year-on-year +5.64% +2.63% +5.56%
10th Percentile £400 £363 £338
90th Percentile £638 £633 £625
England median daily rate £500 £463 £450
% change year-on-year +8.11% +2.78% +5.88%
Number of hourly rates quoted 1 8 5
London median hourly rate £39.29 £46.25 £50.00
Median hourly rate % change year-on-year -15.05% -7.50% -15.25%
England median hourly rate £45.00 £42.50 £40.00
% change year-on-year +5.88% +6.25% +14.29%

TDD 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 London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Contract vacancies with a requirement for process or methodology skills 40,255 36,198 36,804
As % of all contract IT jobs advertised in London 86.61% 86.05% 84.72%
Number of daily rates quoted 29,371 26,045 26,216
London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% -
10th Percentile £313 £310 £298
90th Percentile £675 £650 £638
England median daily rate £450 £433 £425
% change year-on-year +4.05% +1.76% +6.25%
Number of hourly rates quoted 410 424 449
London median hourly rate £22.00 £23.67 £20.00
Median hourly rate % change year-on-year -7.06% +18.35% +9.59%
10th Percentile £13.31 £12.25 £11.25
90th Percentile £48.75 £51.25 £50.99
England median hourly rate £24.00 £25.00 £23.00
% change year-on-year -4.00% +8.70% +15.00%

TDD
Job Vacancy Trend in London

Job postings citing TDD as a percentage of all IT jobs advertised in London.

Job vacancy trend for TDD in London

TDD
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for TDD in London

TDD
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing TDD in London over the 6 months to 17 January 2018.

Contractor daily rate histogram for TDD in London

TDD
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for TDD in London

TDD
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the London region over the 6 months to 17 January 2018. 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
Central London +2 934 £525 +5.00% 300
West London +19 293 £525 +10.53% 177
South London +25 174 £525 +4.90% 20
East London +15 52 £525 +16.67% 38
North London -8 7 £425 - 14
TDD
England

For the 6 months to 17 January 2018, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for TDD.

1 3,471 (74.89%) Agile Software Development
2 2,095 (45.20%) Java
3 2,066 (44.57%) BDD
4 1,682 (36.29%) JavaScript
5 1,236 (26.67%) Continuous Integration
6 1,184 (25.54%) Scrum
7 1,123 (24.23%) HTML
8 979 (21.12%) Git (software)
9 972 (20.97%) CSS
10 967 (20.86%) Microservices
11 961 (20.73%) C#
12 918 (19.81%) Finance
13 910 (19.63%) .NET
14 892 (19.24%) Amazon AWS
15 887 (19.14%) AngularJS
16 841 (18.14%) Test Automation
17 829 (17.89%) RESTful
18 801 (17.28%) REST
19 782 (16.87%) React
20 780 (16.83%) MVC
21 775 (16.72%) Web Services
22 753 (16.25%) Spring
22 753 (16.25%) Node.js
23 719 (15.51%) OO
24 718 (15.49%) Jenkins
25 692 (14.93%) Pair Programming
26 685 (14.78%) HTML5
27 678 (14.63%) DevOps
28 670 (14.46%) SQL
29 618 (13.33%) NoSQL

TDD
Co-occurring IT Skills in 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
1 242 (5.22%) Confluence
2 230 (4.96%) Elasticsearch
3 197 (4.25%) Tomcat
4 172 (3.71%) Apache Spark
5 130 (2.80%) WebSphere
6 116 (2.50%) Apache
7 108 (2.33%) WebLogic
8 107 (2.31%) CMS
9 105 (2.27%) OpenStack
10 79 (1.70%) JBoss
11 58 (1.25%) Apache Solr
12 50 (1.08%) Jetty
13 44 (0.95%) EPiServer
14 40 (0.86%) Oracle SOA Suite
15 35 (0.76%) Mule
16 33 (0.71%) Adobe Experience Manager
17 29 (0.63%) MQSeries
18 27 (0.58%) Cloud Foundry
18 27 (0.58%) Drupal
19 25 (0.54%) IIS
Applications
1 17 (0.37%) Microsoft Excel
2 7 (0.15%) Microsoft Office
3 5 (0.11%) Photoshop
4 3 (0.065%) InVision
4 3 (0.065%) Microsoft PowerPoint
5 2 (0.043%) Adobe Illustrator
5 2 (0.043%) MS Visio
6 1 (0.022%) Chatbot
6 1 (0.022%) InfoPath
Business Applications
1 26 (0.56%) Payment Gateway
2 22 (0.47%) Dynamics CRM
3 14 (0.30%) ION MarketView
4 10 (0.22%) Bloomberg TOMS
5 9 (0.19%) Magento
6 7 (0.15%) SAP Hybris
7 5 (0.11%) Oracle Retail
7 5 (0.11%) RMDS
8 4 (0.086%) SunGard GMI
9 3 (0.065%) Dynamics AX
9 3 (0.065%) Endur
9 3 (0.065%) MetaTrader
9 3 (0.065%) Oracle Financials
9 3 (0.065%) PeopleSoft Financials
10 2 (0.043%) Oracle BPM
10 2 (0.043%) Oracle Cash Management
10 2 (0.043%) Summit
11 1 (0.022%) Exstream
11 1 (0.022%) R3 Corda
11 1 (0.022%) Salesforce.com CRM
Cloud Services
1 892 (19.24%) Amazon AWS
2 501 (10.81%) Microsoft Azure
3 186 (4.01%) GitHub
4 125 (2.70%) Serverless
5 98 (2.11%) Amazon EC2
6 95 (2.05%) npm
7 72 (1.55%) Amazon S3
8 53 (1.14%) AWS Lambda
9 47 (1.01%) Google Cloud Platform
10 44 (0.95%) PaaS
11 33 (0.71%) AWS CloudFormation
12 30 (0.65%) Amazon SQS
13 28 (0.60%) Heroku
14 25 (0.54%) Cloud Computing
15 23 (0.50%) SaaS
16 22 (0.47%) IaaS
17 21 (0.45%) Google Play
17 21 (0.45%) Yarn
18 15 (0.32%) BrowserStack
19 14 (0.30%) OpenShift
Communications & Networking
1 142 (3.06%) HTTP
2 54 (1.17%) Internet
3 45 (0.97%) TCP/IP
4 42 (0.91%) Kerberos
5 26 (0.56%) Bluetooth
6 23 (0.50%) SSL
7 21 (0.45%) DNS
8 19 (0.41%) SMS
9 15 (0.32%) FIX Connectivity
10 11 (0.24%) AMQP
11 10 (0.22%) FTP
12 9 (0.19%) SSH
13 8 (0.17%) LDAP
14 4 (0.086%) DHCP
14 4 (0.086%) Intranet
15 3 (0.065%) Network Security
16 2 (0.043%) Ethernet
16 2 (0.043%) Unified Communications
16 2 (0.043%) VPLS
17 1 (0.022%) SNA
Database & Business Intelligence
1 618 (13.33%) NoSQL
2 475 (10.25%) SQL Server
3 380 (8.20%) PostgreSQL
4 371 (8.00%) MySQL
5 349 (7.53%) MongoDB
6 288 (6.21%) Hadoop
7 256 (5.52%) Big Data
8 248 (5.35%) Relational Database
9 143 (3.09%) Apache Cassandra
10 136 (2.93%) HBase
11 92 (1.98%) RDBMS
12 69 (1.49%) Redis
13 64 (1.38%) SQL Server 2016
14 63 (1.36%) Apache Hive
15 54 (1.17%) SQL Server 2014
16 51 (1.10%) Amazon DynamoDB
17 50 (1.08%) SQL Server 2012
18 39 (0.84%) Neo4j
19 32 (0.69%) SQL Server 2008
20 31 (0.67%) SQL Server Integration Services
Development Applications
1 979 (21.12%) Git (software)
2 718 (15.49%) Jenkins
3 424 (9.15%) JIRA
4 398 (8.59%) Cucumber
5 335 (7.23%) Selenium
6 294 (6.34%) Maven
7 248 (5.35%) JUnit
8 225 (4.85%) Mockito
9 205 (4.42%) TeamCity
10 204 (4.40%) NUnit
11 183 (3.95%) webpack
12 178 (3.84%) Gradle
13 175 (3.78%) Jasmine
14 170 (3.67%) Subversion
15 161 (3.47%) Mocha
16 135 (2.91%) gulp
17 126 (2.72%) MSTest
18 116 (2.50%) Grunt
19 94 (2.03%) Octopus Deploy
20 86 (1.86%) SpecFlow
General
1 918 (19.81%) Finance
2 569 (12.28%) Banking
3 216 (4.66%) Retail
4 196 (4.23%) Investment Banking
5 169 (3.65%) Front Office
6 102 (2.20%) Publishing
7 94 (2.03%) Marketing
8 88 (1.90%) Games
9 72 (1.55%) Telecoms
10 62 (1.34%) Financial Institution
11 54 (1.17%) Law
12 50 (1.08%) Retail Banking
13 41 (0.88%) Legal
14 39 (0.84%) Back Office
15 29 (0.63%) Manufacturing
16 26 (0.56%) Advertising
17 25 (0.54%) Electronics
18 18 (0.39%) Automotive
19 8 (0.17%) Wholesale Banking
20 7 (0.15%) Online Betting
Job Titles
1 3,683 (79.46%) Developer
2 1,177 (25.39%) Java Developer
3 741 (15.99%) Senior Developer
4 459 (9.90%) .NET Developer
5 446 (9.62%) JavaScript Developer
6 432 (9.32%) C# Developer
7 337 (7.27%) Full Stack Developer
8 302 (6.52%) Agile Developer
9 273 (5.89%) Senior Java Developer
10 243 (5.24%) Front End Developer (Client-Side Developer)
11 203 (4.38%) Scala Developer
12 178 (3.84%) Node.js Developer
13 175 (3.78%) C# .NET Developer
14 158 (3.41%) Angular Developer
15 144 (3.11%) Agile Java Developer
16 143 (3.09%) Python Developer
17 142 (3.06%) HTML Developer
18 124 (2.68%) Java Engineer
19 123 (2.65%) AWS Developer
20 113 (2.44%) Software Engineer
Libraries, Frameworks & Software Standards
1 1,123 (24.23%) HTML
2 972 (20.97%) CSS
3 910 (19.63%) .NET
4 887 (19.14%) AngularJS
5 829 (17.89%) RESTful
6 801 (17.28%) REST
7 782 (16.87%) React
8 775 (16.72%) Web Services
9 753 (16.25%) Node.js
9 753 (16.25%) Spring
10 685 (14.78%) HTML5
11 402 (8.67%) CSS3
12 392 (8.46%) ASP.NET
13 348 (7.51%) JSON
14 339 (7.31%) ASP.NET Web API
15 321 (6.93%) Hibernate
16 303 (6.54%) Redux
17 302 (6.52%) Spring Boot
18 270 (5.83%) XML
19 265 (5.72%) Sass
Miscellaneous
1 412 (8.89%) Greenfield Project
2 305 (6.58%) User Experience
3 219 (4.72%) Mobile App
4 172 (3.71%) Fintech
5 157 (3.39%) Computer Science
6 131 (2.83%) Algorithms
7 109 (2.35%) Analytical Skills
8 104 (2.24%) Derivative
9 98 (2.11%) Foreign Exchange (FX)
10 95 (2.05%) Data Structures
11 87 (1.88%) Enterprise Software
12 59 (1.27%) iPad
13 58 (1.25%) Virtual Team
14 51 (1.10%) Video on Demand
15 50 (1.08%) Equities
15 50 (1.08%) Fixed Income
15 50 (1.08%) Hedge funds
16 38 (0.82%) Public Cloud
17 37 (0.80%) Equity Derivative
18 33 (0.71%) Video\Live Streaming
Operating Systems
1 388 (8.37%) Linux
2 216 (4.66%) Apple iOS
3 212 (4.57%) Unix
4 206 (4.44%) Android
5 89 (1.92%) Windows
6 23 (0.50%) Mac OS X
7 18 (0.39%) Red Hat Enterprise Linux
8 14 (0.30%) Solaris
8 14 (0.30%) Ubuntu
9 10 (0.22%) CoreOS
9 10 (0.22%) Mac OS
10 8 (0.17%) CentOS
10 8 (0.17%) HPUX
11 7 (0.15%) Nucleus RTOS
12 6 (0.13%) VMS
13 4 (0.086%) Windows Phone
14 3 (0.065%) Windows Mobile
14 3 (0.065%) Windows Server
15 2 (0.043%) Debian
15 2 (0.043%) Windows Server 2008
Processes & Methodologies
1 3,471 (74.89%) Agile Software Development
2 2,066 (44.57%) BDD
3 1,236 (26.67%) Continuous Integration
4 1,184 (25.54%) Scrum
5 967 (20.86%) Microservices
6 841 (18.14%) Test Automation
7 780 (16.83%) MVC
8 719 (15.51%) OO
9 692 (14.93%) Pair Programming
10 678 (14.63%) DevOps
11 548 (11.82%) Software Engineering
12 531 (11.46%) Kanban
13 467 (10.08%) E-Commerce
14 430 (9.28%) Unit Testing
15 413 (8.91%) Continuous Delivery
16 356 (7.68%) Front End Development
17 324 (6.99%) Open Source
18 289 (6.24%) SOLID
19 285 (6.15%) Multithreading
20 268 (5.78%) SOA
Programming Languages
1 2,095 (45.20%) Java
2 1,682 (36.29%) JavaScript
3 961 (20.73%) C#
4 670 (14.46%) SQL
5 529 (11.41%) Python
6 477 (10.29%) Scala
7 324 (6.99%) Ruby
8 308 (6.65%) ES6
9 159 (3.43%) TypeScript
10 149 (3.21%) Apple Swift
11 140 (3.02%) Groovy
12 108 (2.33%) Objective-C
13 106 (2.29%) Go
14 105 (2.27%) T-SQL
15 94 (2.03%) PHP
16 91 (1.96%) C++
17 62 (1.34%) Shell Script
18 56 (1.21%) Bash Shell
19 51 (1.10%) Kotlin
20 49 (1.06%) PowerShell
Qualifications
1 231 (4.98%) Degree
2 212 (4.57%) Security Cleared
3 159 (3.43%) SC Cleared
4 78 (1.68%) Computer Science Degree
5 32 (0.69%) Master's Degree
6 27 (0.58%) PhD
7 12 (0.26%) CTC Cleared
8 11 (0.24%) BPSS Clearance
8 11 (0.24%) ISTQB
9 8 (0.17%) ISEB
10 7 (0.15%) Microsoft Certification
11 6 (0.13%) DV Cleared
11 6 (0.13%) ISTQB Foundation Certification
12 5 (0.11%) DBS Check
13 4 (0.086%) AWS Certification
13 4 (0.086%) MCPD
13 4 (0.086%) Sun Certification
14 3 (0.065%) MCP
15 2 (0.043%) ISTQB Advanced Certification
15 2 (0.043%) PMP
Quality Assurance & Compliance
1 292 (6.30%) QA
2 45 (0.97%) MiFID
3 15 (0.32%) WCAG
4 14 (0.30%) PCI DSS
5 7 (0.15%) Data Quality
5 7 (0.15%) GCP
5 7 (0.15%) WAI
6 6 (0.13%) EMIR
7 4 (0.086%) PSD2
8 3 (0.065%) Dodd-Frank
8 3 (0.065%) GDPR
9 2 (0.043%) Disclosure Scotland
9 2 (0.043%) PMO
10 1 (0.022%) ISO/IEC 27001
10 1 (0.022%) SEPA
10 1 (0.022%) SLA
System Software
1 584 (12.60%) Docker
2 63 (1.36%) HDFS
3 24 (0.52%) Apache ZooKeeper
4 18 (0.39%) Active Directory
5 14 (0.30%) VMware Infrastructure
6 11 (0.24%) vSphere
7 8 (0.17%) NFS
8 4 (0.086%) Apache Flume
8 4 (0.086%) OpenDJ
8 4 (0.086%) vCloud
9 3 (0.065%) Virtual Servers
10 2 (0.043%) OpenIDM
11 1 (0.022%) Varnish
11 1 (0.022%) Virtual Machines
11 1 (0.022%) VirtualBox
Systems Management
1 288 (6.21%) Ansible
2 223 (4.81%) Puppet
3 209 (4.51%) Kubernetes
4 190 (4.10%) Opscode Chef
5 101 (2.18%) Terraform
6 68 (1.47%) Kibana
7 57 (1.23%) Grafana
8 54 (1.17%) logstash
9 40 (0.86%) Mesos
10 33 (0.71%) Cobbler
11 18 (0.39%) ITRS Geneos
12 15 (0.32%) Business Desktop Deployment
12 15 (0.32%) Hadoop YARN
13 10 (0.22%) Docker Swarm
14 8 (0.17%) Nagios
14 8 (0.17%) Packer
15 5 (0.11%) Consul
15 5 (0.11%) Control-M
15 5 (0.11%) HP Quality Center
16 4 (0.086%) Rancher
Vendors
1 332 (7.16%) Oracle
2 226 (4.88%) Microsoft
3 101 (2.18%) Splunk
4 91 (1.96%) Google
5 74 (1.60%) AppDynamics
6 69 (1.49%) Apple
7 53 (1.14%) IBM
8 51 (1.10%) Salesforce.com
9 39 (0.84%) Sitecore
10 35 (0.76%) Apigee
11 33 (0.71%) Atlassian
12 32 (0.69%) Adobe
13 31 (0.67%) ATG
14 30 (0.65%) PayPal
15 29 (0.63%) Bloomberg
16 28 (0.60%) SAP
17 24 (0.52%) Cloudera
18 23 (0.50%) Hortonworks
18 23 (0.50%) TIBCO
18 23 (0.50%) Xamarin