Period
to 20 November 2017

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 20 November 2017 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
20 Nov 2017
Same period 2016 Same period 2015
Rank 9 15 19
Rank change year-on-year +6 +4 +3
Contract jobs citing TDD 4710 3691 3743
As % of all contract IT jobs advertised in London 10.09% 8.28% 7.98%
As % of the Processes & Methodologies category 11.61% 9.60% 9.52%
Number of daily rates quoted 3909 3124 3059
London median daily rate £513 £488 £475
Median daily rate % change year-on-year +5.13% +2.63% +5.56%
10th Percentile £397 £363 £338
90th Percentile £638 £633 £625
England median daily rate £500 £463 £440
% change year-on-year +8.11% +5.11% +3.53%
Number of hourly rates quoted 2 8 2
London median hourly rate £35.00 £46.25 £45.00
Median hourly rate % change year-on-year -24.32% +2.78% -23.73%
10th Percentile £31.75 £45.35 £42.50
90th Percentile £38.25 £70.25 £47.50
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 40583 38438 39314
As % of all contract IT jobs advertised in London 86.96% 86.23% 83.83%
Number of daily rates quoted 29509 27575 28097
London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +2.86%
10th Percentile £313 £305 £288
90th Percentile £675 £642 £638
England median daily rate £450 £425 £423
% change year-on-year +5.88% +0.59% +5.63%
Number of hourly rates quoted 378 398 474
London median hourly rate £22.50 £22.00 £20.00
Median hourly rate % change year-on-year +2.27% +10.00% +11.11%
10th Percentile £13.31 £12.25 £11.25
90th Percentile £52.15 £50.84 £50.69
England median hourly rate £24.00 £24.42 £22.50
% change year-on-year -1.72% +8.53% +18.42%

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 20 November 2017.

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 20 November 2017. 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 +1 868 £525 +5.00% 183
West London +12 264 £518 +8.95% 55
South London +24 221 £525 +5.00% 13
East London +25 54 £525 +16.67% 20
North London +1 13 £413 -2.94% 8
TDD
England

For the 6 months to 20 November 2017, 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 3497 (74.25%) Agile Software Development
2 2137 (45.37%) Java
3 2005 (42.57%) BDD
4 1767 (37.52%) JavaScript
5 1327 (28.17%) Continuous Integration
6 1317 (27.96%) Scrum
7 1230 (26.11%) HTML
8 1095 (23.25%) CSS
9 989 (21.00%) AngularJS
10 953 (20.23%) Git (software)
11 951 (20.19%) Finance
12 941 (19.98%) Microservices
13 904 (19.19%) C#
14 855 (18.15%) Test Automation
15 851 (18.07%) .NET
16 830 (17.62%) REST
17 823 (17.47%) React
18 819 (17.39%) RESTful
19 817 (17.35%) Amazon AWS
20 813 (17.26%) OO
21 809 (17.18%) HTML5
22 785 (16.67%) Spring
23 781 (16.58%) Web Services
24 772 (16.39%) Node.js
25 755 (16.03%) MVC
26 719 (15.27%) SQL
27 708 (15.03%) Pair Programming
28 690 (14.65%) DevOps
29 688 (14.61%) Jenkins
30 670 (14.23%) Banking

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
1 294 (6.24%) Confluence
2 234 (4.97%) Apache Spark
3 220 (4.67%) Elasticsearch
4 176 (3.74%) Tomcat
5 146 (3.10%) Apache
6 110 (2.34%) Apache Solr
7 109 (2.31%) CMS
8 105 (2.23%) WebSphere
9 96 (2.04%) OpenStack
10 85 (1.80%) WebLogic
11 70 (1.49%) JBoss
12 43 (0.91%) EPiServer
13 42 (0.89%) Oracle SOA Suite
14 38 (0.81%) Jetty
15 34 (0.72%) Mule
16 33 (0.70%) Cloud Foundry
17 27 (0.57%) Drupal
18 25 (0.53%) Adobe Experience Manager
19 21 (0.45%) NServiceBus
20 20 (0.42%) IIS
Applications
1 26 (0.55%) Photoshop
2 20 (0.42%) Microsoft Excel
3 17 (0.36%) Microsoft Office
4 12 (0.25%) MS Visio
5 3 (0.064%) Spreadsheet
6 2 (0.042%) Adobe Illustrator
6 2 (0.042%) InVision
7 1 (0.021%) InfoPath
7 1 (0.021%) Microsoft PowerPoint
7 1 (0.021%) Microsoft Project
Business Applications
1 27 (0.57%) Payment Gateway
2 24 (0.51%) ION MarketView
3 18 (0.38%) SAP Hybris
4 17 (0.36%) Dynamics CRM
5 10 (0.21%) Bloomberg TOMS
6 9 (0.19%) RMDS
7 7 (0.15%) Magento
8 6 (0.13%) Oracle Retail
9 5 (0.11%) Endur
10 4 (0.085%) Eloqua
10 4 (0.085%) Oracle Financials
10 4 (0.085%) PeopleSoft Financials
10 4 (0.085%) SunGard GMI
11 3 (0.064%) Dynamics AX
11 3 (0.064%) MetaTrader
12 2 (0.042%) Oracle BPM
12 2 (0.042%) Oracle Cash Management
12 2 (0.042%) R3 Corda
12 2 (0.042%) Salesforce.com CRM
13 1 (0.021%) Exstream
Cloud Services
1 817 (17.35%) Amazon AWS
2 469 (9.96%) Microsoft Azure
3 232 (4.93%) GitHub
4 110 (2.34%) npm
5 85 (1.80%) Serverless
6 74 (1.57%) Amazon EC2
7 64 (1.36%) Amazon S3
8 45 (0.96%) PaaS
9 41 (0.87%) Google Cloud Platform
10 33 (0.70%) AWS Lambda
11 30 (0.64%) Heroku
12 29 (0.62%) AWS CloudFormation
13 28 (0.59%) Cloud Computing
14 26 (0.55%) Yarn
15 24 (0.51%) IaaS
15 24 (0.51%) SaaS
16 23 (0.49%) Amazon SQS
17 22 (0.47%) Google Play
18 15 (0.32%) OpenShift
19 12 (0.25%) Amazon EMR
Communications & Networking
1 144 (3.06%) HTTP
2 74 (1.57%) Kerberos
3 57 (1.21%) Internet
4 32 (0.68%) TCP/IP
5 24 (0.51%) Bluetooth
5 24 (0.51%) SMS
6 22 (0.47%) SSL
7 20 (0.42%) DNS
8 15 (0.32%) LDAP
9 13 (0.28%) Network Security
10 11 (0.23%) FIX Connectivity
11 7 (0.15%) AMQP
12 6 (0.13%) FTP
13 5 (0.11%) DHCP
13 5 (0.11%) SSH
14 4 (0.085%) Intranet
15 2 (0.042%) Ethernet
15 2 (0.042%) SNA
15 2 (0.042%) Unified Communications
15 2 (0.042%) VPLS
Database & Business Intelligence
1 646 (13.72%) NoSQL
2 455 (9.66%) SQL Server
3 375 (7.96%) PostgreSQL
4 355 (7.54%) MySQL
5 348 (7.39%) MongoDB
6 339 (7.20%) Hadoop
7 337 (7.15%) Big Data
8 258 (5.48%) Relational Database
9 185 (3.93%) HBase
10 154 (3.27%) Apache Cassandra
11 116 (2.46%) RDBMS
12 76 (1.61%) Apache Hive
13 52 (1.10%) Amazon DynamoDB
14 46 (0.98%) RavenDB
14 46 (0.98%) Redis
14 46 (0.98%) SQL Server 2016
15 43 (0.91%) SQL Server 2012
16 41 (0.87%) SQL Server 2008
16 41 (0.87%) SQL Server Integration Services
17 39 (0.83%) SQL Server 2014
Development Applications
1 953 (20.23%) Git (software)
2 688 (14.61%) Jenkins
3 522 (11.08%) JIRA
4 403 (8.56%) Cucumber
5 327 (6.94%) Selenium
6 273 (5.80%) JUnit
7 268 (5.69%) TeamCity
8 249 (5.29%) Maven
9 211 (4.48%) Mockito
10 201 (4.27%) NUnit
11 193 (4.10%) Jasmine
12 178 (3.78%) webpack
13 162 (3.44%) Mocha
14 156 (3.31%) gulp
15 155 (3.29%) Gradle
15 155 (3.29%) Subversion
16 148 (3.14%) Grunt
17 126 (2.68%) Octopus Deploy
18 115 (2.44%) IntelliJ
18 115 (2.44%) MSTest
General
1 951 (20.19%) Finance
2 670 (14.23%) Banking
3 253 (5.37%) Investment Banking
4 247 (5.24%) Front Office
5 211 (4.48%) Retail
6 116 (2.46%) Marketing
7 106 (2.25%) Publishing
8 90 (1.91%) Telecoms
9 82 (1.74%) Financial Institution
10 72 (1.53%) Games
11 58 (1.23%) Law
12 50 (1.06%) Retail Banking
13 49 (1.04%) Manufacturing
14 48 (1.02%) Electronics
15 45 (0.96%) Back Office
16 43 (0.91%) Advertising
17 36 (0.76%) Legal
18 20 (0.42%) Automotive
19 11 (0.23%) Billing
20 10 (0.21%) Wholesale Banking
Job Titles
1 3754 (79.70%) Developer
2 1170 (24.84%) Java Developer
3 709 (15.05%) Senior Developer
4 505 (10.72%) JavaScript Developer
5 452 (9.60%) .NET Developer
6 412 (8.75%) C# Developer
7 345 (7.32%) Full Stack Developer
8 311 (6.60%) Agile Developer
9 255 (5.41%) Front End Developer (Client-Side Developer)
10 245 (5.20%) Senior Java Developer
11 226 (4.80%) Angular Developer
12 215 (4.56%) Scala Developer
13 180 (3.82%) C# .NET Developer
14 178 (3.78%) Node.js Developer
15 167 (3.55%) Python Developer
16 163 (3.46%) HTML Developer
17 158 (3.35%) Agile Java Developer
18 129 (2.74%) UI Developer
19 125 (2.65%) iOS Developer
20 120 (2.55%) Java Engineer
Libraries, Frameworks & Software Standards
1 1230 (26.11%) HTML
2 1095 (23.25%) CSS
3 989 (21.00%) AngularJS
4 851 (18.07%) .NET
5 830 (17.62%) REST
6 823 (17.47%) React
7 819 (17.39%) RESTful
8 809 (17.18%) HTML5
9 785 (16.67%) Spring
10 781 (16.58%) Web Services
11 772 (16.39%) Node.js
12 487 (10.34%) CSS3
13 357 (7.58%) ASP.NET
14 347 (7.37%) JSON
15 320 (6.79%) Spring Boot
16 313 (6.65%) Redux
17 302 (6.41%) Kafka
18 292 (6.20%) ASP.NET Web API
19 274 (5.82%) XML
20 269 (5.71%) Hibernate
Miscellaneous
1 363 (7.71%) Greenfield Project
2 336 (7.13%) User Experience
3 219 (4.65%) Mobile App
4 174 (3.69%) Computer Science
5 165 (3.50%) Algorithms
6 164 (3.48%) Fintech
7 136 (2.89%) Analytical Skills
8 129 (2.74%) Derivative
9 127 (2.70%) Foreign Exchange (FX)
10 123 (2.61%) Data Structures
11 89 (1.89%) Enterprise Software
12 79 (1.68%) Fixed Income
13 77 (1.63%) iPad
14 74 (1.57%) Equities
15 60 (1.27%) Virtual Team
16 53 (1.13%) Hedge funds
16 53 (1.13%) iPhone
17 42 (0.89%) Equity Derivative
17 42 (0.89%) Public Cloud
17 42 (0.89%) Video on Demand
Operating Systems
1 406 (8.62%) Linux
2 220 (4.67%) Apple iOS
3 206 (4.37%) Unix
4 198 (4.20%) Android
5 146 (3.10%) Windows
6 18 (0.38%) Red Hat Enterprise Linux
7 15 (0.32%) Windows Server
8 14 (0.30%) CoreOS
8 14 (0.30%) Solaris
9 13 (0.28%) Ubuntu
10 12 (0.25%) Mac OS X
11 11 (0.23%) Mac OS
12 10 (0.21%) CentOS
13 6 (0.13%) HPUX
14 4 (0.085%) Windows Mobile
15 3 (0.064%) VMS
15 3 (0.064%) Windows Server 2008
16 2 (0.042%) Debian
16 2 (0.042%) Embedded Linux
16 2 (0.042%) Nucleus RTOS
Processes & Methodologies
1 3497 (74.25%) Agile Software Development
2 2005 (42.57%) BDD
3 1327 (28.17%) Continuous Integration
4 1317 (27.96%) Scrum
5 941 (19.98%) Microservices
6 855 (18.15%) Test Automation
7 813 (17.26%) OO
8 755 (16.03%) MVC
9 708 (15.03%) Pair Programming
10 690 (14.65%) DevOps
11 554 (11.76%) Software Engineering
12 529 (11.23%) Kanban
13 437 (9.28%) E-Commerce
14 397 (8.43%) Continuous Delivery
15 380 (8.07%) Front End Development
15 380 (8.07%) Unit Testing
16 319 (6.77%) Open Source
17 310 (6.58%) SOLID
18 287 (6.09%) Multithreading
19 278 (5.90%) Continuous Improvement
Programming Languages
1 2137 (45.37%) Java
2 1767 (37.52%) JavaScript
3 904 (19.19%) C#
4 719 (15.27%) SQL
5 541 (11.49%) Python
6 479 (10.17%) Scala
7 307 (6.52%) ES6
8 264 (5.61%) Ruby
9 163 (3.46%) Apple Swift
10 162 (3.44%) TypeScript
11 141 (2.99%) Groovy
12 138 (2.93%) Objective-C
13 108 (2.29%) T-SQL
14 97 (2.06%) C++
15 94 (2.00%) Go
16 90 (1.91%) PHP
17 76 (1.61%) Shell Script
18 56 (1.19%) PowerShell
19 55 (1.17%) Bash Shell
20 45 (0.96%) C
Qualifications
1 255 (5.41%) Security Cleared
2 230 (4.88%) Degree
3 199 (4.23%) SC Cleared
4 101 (2.14%) Computer Science Degree
5 29 (0.62%) Master's Degree
6 19 (0.40%) PhD
7 12 (0.25%) CTC Cleared
8 10 (0.21%) ISEB
9 9 (0.19%) BPSS Clearance
9 9 (0.19%) DV Cleared
9 9 (0.19%) ISTQB
10 8 (0.17%) DBS Check
11 5 (0.11%) ISTQB Foundation Certification
12 4 (0.085%) Microsoft Certification
12 4 (0.085%) RHCE
12 4 (0.085%) RHCSA
12 4 (0.085%) Sun Certification
13 3 (0.064%) ISTQB Advanced Certification
13 3 (0.064%) PRINCE2 Practitioner
14 2 (0.042%) AWS Certification
Quality Assurance & Compliance
1 302 (6.41%) QA
2 49 (1.04%) MiFID
3 19 (0.40%) WCAG
4 11 (0.23%) WAI
5 10 (0.21%) EMIR
6 9 (0.19%) GCP
7 8 (0.17%) Data Quality
8 7 (0.15%) PCI DSS
9 4 (0.085%) Dodd-Frank
10 3 (0.064%) PSD2
10 3 (0.064%) SLA
11 2 (0.042%) Disclosure Scotland
11 2 (0.042%) PMO
12 1 (0.021%) GDPR
12 1 (0.021%) Government Security Classifications
12 1 (0.021%) HMG Security Policy Framework
12 1 (0.021%) ISO/IEC 27001
12 1 (0.021%) SEPA
System Software
1 558 (11.85%) Docker
2 97 (2.06%) HDFS
3 60 (1.27%) Apache ZooKeeper
4 23 (0.49%) Active Directory
5 6 (0.13%) Apache Flume
5 6 (0.13%) NFS
5 6 (0.13%) VMware Infrastructure
6 3 (0.064%) Varnish
6 3 (0.064%) vCloud
7 2 (0.042%) Firmware
7 2 (0.042%) OpenAM
7 2 (0.042%) OpenDJ
7 2 (0.042%) OpenIDM
7 2 (0.042%) Virtual Machines
7 2 (0.042%) vSphere
8 1 (0.021%) Virtual Servers
8 1 (0.021%) VirtualBox
8 1 (0.021%) VMware ESXi
Systems Management
1 280 (5.94%) Ansible
2 238 (5.05%) Kubernetes
3 203 (4.31%) Puppet
4 180 (3.82%) Opscode Chef
5 122 (2.59%) Terraform
6 65 (1.38%) Kibana
7 62 (1.32%) Grafana
8 60 (1.27%) logstash
9 25 (0.53%) Cobbler
9 25 (0.53%) Mesos
10 21 (0.45%) Hadoop YARN
11 17 (0.36%) Business Desktop Deployment
11 17 (0.36%) ITRS Geneos
12 14 (0.30%) Nagios
13 11 (0.23%) Control-M
14 8 (0.17%) Oozie
14 8 (0.17%) ZABBIX
15 7 (0.15%) Packer
16 6 (0.13%) Docker Swarm
17 5 (0.11%) Consul
Vendors
1 327 (6.94%) Oracle
2 268 (5.69%) Microsoft
3 89 (1.89%) Splunk
4 88 (1.87%) Google
5 76 (1.61%) Apple
6 72 (1.53%) AppDynamics
7 61 (1.30%) SAP
8 60 (1.27%) IBM
9 51 (1.08%) Salesforce.com
10 40 (0.85%) Adobe
11 35 (0.74%) Cloudera
12 34 (0.72%) Atlassian
13 33 (0.70%) Sitecore
14 32 (0.68%) ATG
15 29 (0.62%) Bloomberg
16 28 (0.59%) Apigee
16 28 (0.59%) Hortonworks
17 27 (0.57%) New Relic
17 27 (0.57%) Sybase
17 27 (0.57%) Xamarin