Period
to 26 May 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 26 May 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
26 May 2018
Same period 2017 Same period 2016
Rank 12 13 15
Rank change year-on-year +1 +2 +9
Contract jobs citing TDD 4,520 3,495 3,571
As % of all contract IT jobs advertised in London 9.84% 8.79% 8.23%
As % of the Processes & Methodologies category 11.26% 10.17% 9.57%
Number of daily rates quoted 3,742 2,884 2,991
London median daily rate £525 £500 £488
Median daily rate % change year-on-year +5.00% +2.56% +8.33%
10th Percentile £410 £363 £355
90th Percentile £650 £638 £638
England median daily rate £500 £468 £450
% change year-on-year +6.84% +4.00% +5.88%
Number of hourly rates quoted 5 5 5
London median hourly rate £45.00 £37.50 £50.00
Median hourly rate % change year-on-year +20.00% -25.00% -
10th Percentile £40.57 £31.25 £47.50
90th Percentile £49.00 £129.00 £57.50
England median hourly rate £45.00 £41.00 £40.00
% change year-on-year +9.76% +2.50% +1.91%

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 40,125 34,371 37,306
As % of all contract IT jobs advertised in London 87.32% 86.47% 86.02%
Number of daily rates quoted 29,023 24,677 27,003
London median daily rate £500 £475 £458
Median daily rate % change year-on-year +5.26% +3.83% +1.67%
10th Percentile £325 £313 £300
90th Percentile £675 £650 £650
England median daily rate £463 £450 £425
% change year-on-year +2.78% +5.88% +4.94%
Number of hourly rates quoted 561 388 396
London median hourly rate £25.00 £25.00 £21.00
Median hourly rate % change year-on-year - +19.05% +10.53%
10th Percentile £14.00 £12.68 £11.25
90th Percentile £50.50 £52.50 £52.10
England median hourly rate £22.00 £25.50 £23.50
% change year-on-year -13.73% +8.51% +11.90%

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 26 May 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
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing TDD in London over the 6 months to 26 May 2018.

Contractor hourly rate histogram 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 26 May 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 -1 976 £525 +5.00% 333
West London +5 274 £525 +10.53% 161
South London +8 166 £475 +5.56% 24
East London -8 49 £525 +11.70% 67
North London -11 5 £388 -10.14% 10
TDD
England

For the 6 months to 26 May 2018, IT contractor jobs citing TDD 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 London region with a requirement for TDD.

1 3,439 (76.08%) Agile Software Development
2 1,932 (42.74%) BDD
3 1,862 (41.19%) Java
4 1,587 (35.11%) JavaScript
5 1,199 (26.53%) Scrum
6 1,077 (23.83%) Continuous Integration
7 1,045 (23.12%) HTML
8 1,040 (23.01%) Git (software)
9 978 (21.64%) Amazon AWS
10 976 (21.59%) C#
11 951 (21.04%) .NET
12 937 (20.73%) CSS
13 933 (20.64%) Microservices
14 857 (18.96%) Finance
14 857 (18.96%) REST
15 845 (18.69%) AngularJS
16 831 (18.38%) React
17 828 (18.32%) Test Automation
18 806 (17.83%) Node.js
19 794 (17.57%) DevOps
20 787 (17.41%) RESTful
21 769 (17.01%) MVC
22 755 (16.70%) SQL
23 727 (16.08%) Jenkins
24 687 (15.20%) Spring
25 672 (14.87%) Web Services
26 665 (14.71%) OO
27 661 (14.62%) Microsoft Azure
28 650 (14.38%) Docker
29 647 (14.31%) Java 8

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
1 259 (5.73%) Elasticsearch
2 201 (4.45%) Confluence
3 173 (3.83%) Tomcat
4 133 (2.94%) Apache
5 122 (2.70%) WebSphere
6 116 (2.57%) Apache Spark
7 100 (2.21%) WebLogic
8 90 (1.99%) CMS
9 86 (1.90%) OpenStack
10 79 (1.75%) NServiceBus
11 63 (1.39%) JBoss
12 46 (1.02%) Cloud Foundry
13 38 (0.84%) MQSeries
14 33 (0.73%) Mule
15 31 (0.69%) Adobe Experience Manager
16 30 (0.66%) Jetty
17 24 (0.53%) Apache Solr
17 24 (0.53%) Oracle SOA Suite
18 23 (0.51%) IIS
19 19 (0.42%) EPiServer
Applications
1 27 (0.60%) Photoshop
2 24 (0.53%) Microsoft Excel
3 6 (0.13%) GIMP
3 6 (0.13%) Microsoft Office
4 4 (0.088%) MS Visio
5 2 (0.044%) Adobe Illustrator
5 2 (0.044%) Chatbot
5 2 (0.044%) Microsoft PowerPoint
6 1 (0.022%) InVision
6 1 (0.022%) Spreadsheet
Business Applications
1 19 (0.42%) Payment Gateway
2 16 (0.35%) thinkFolio
3 14 (0.31%) Dynamics CRM
3 14 (0.31%) Eagle PACE
3 14 (0.31%) Front Arena
4 10 (0.22%) Markit EDM
5 6 (0.13%) Bloomberg AIM
5 6 (0.13%) Magento
6 4 (0.088%) Summit
7 2 (0.044%) Adobe Campaign
7 2 (0.044%) Distributed Ledger
7 2 (0.044%) Endur
7 2 (0.044%) FastStats
7 2 (0.044%) LatentZero
7 2 (0.044%) SAP Hybris
7 2 (0.044%) SDL Web 8
7 2 (0.044%) Unica
8 1 (0.022%) Oracle General Ledger
8 1 (0.022%) PolarLake
8 1 (0.022%) R3 Corda
Cloud Services
1 978 (21.64%) Amazon AWS
2 661 (14.62%) Microsoft Azure
3 145 (3.21%) GitHub
4 143 (3.16%) Serverless
5 105 (2.32%) npm
6 83 (1.84%) Cloud Computing
7 78 (1.73%) Amazon EC2
8 76 (1.68%) Google Cloud Platform
9 61 (1.35%) Heroku
10 54 (1.19%) AWS Lambda
11 49 (1.08%) Amazon S3
12 39 (0.86%) PaaS
13 37 (0.82%) IaaS
14 32 (0.71%) SaaS
15 25 (0.55%) AWS CloudFormation
16 21 (0.46%) BrowserStack
17 18 (0.40%) Amazon CloudWatch
18 17 (0.38%) Sauce Labs
19 16 (0.35%) Bluemix
19 16 (0.35%) IBM Cloud
Communications & Networking
1 221 (4.89%) HTTP
2 67 (1.48%) TCP/IP
3 49 (1.08%) DNS
4 43 (0.95%) Internet
5 40 (0.88%) FTP
6 35 (0.77%) SSL
7 28 (0.62%) SMS
8 11 (0.24%) AMQP
8 11 (0.24%) DMARC
9 10 (0.22%) Bluetooth
10 9 (0.20%) DHCP
10 9 (0.20%) FIX Connectivity
11 8 (0.18%) DKIM
12 6 (0.13%) SSH
13 5 (0.11%) HTTPS
13 5 (0.11%) Kerberos
13 5 (0.11%) Network Security
13 5 (0.11%) Wi-Fi
14 4 (0.088%) Broadband
14 4 (0.088%) Intranet
Database & Business Intelligence
1 537 (11.88%) NoSQL
2 481 (10.64%) SQL Server
3 348 (7.70%) MongoDB
4 336 (7.43%) PostgreSQL
5 328 (7.26%) MySQL
6 251 (5.55%) Relational Database
7 195 (4.31%) Big Data
8 148 (3.27%) Apache Cassandra
9 142 (3.14%) Hadoop
10 106 (2.35%) Redis
11 86 (1.90%) SQL Server 2012
12 78 (1.73%) SQL Server 2016
13 73 (1.62%) SQL Server 2014
14 69 (1.53%) HBase
15 66 (1.46%) Neo4j
16 43 (0.95%) Amazon Redshift
17 39 (0.86%) RDBMS
18 38 (0.84%) Amazon DynamoDB
19 36 (0.80%) Azure SQL Database
20 31 (0.69%) Couchbase
Development Applications
1 1,040 (23.01%) Git (software)
2 727 (16.08%) Jenkins
3 380 (8.41%) Maven
4 344 (7.61%) JIRA
5 331 (7.32%) Cucumber
6 302 (6.68%) Selenium
7 265 (5.86%) JUnit
8 218 (4.82%) webpack
9 212 (4.69%) Mockito
10 207 (4.58%) NUnit
11 201 (4.45%) TeamCity
12 191 (4.23%) Gradle
13 186 (4.12%) Jasmine
14 174 (3.85%) Subversion
15 151 (3.34%) gulp
16 147 (3.25%) Grunt
17 128 (2.83%) Mocha
18 106 (2.35%) SpecFlow
19 102 (2.26%) Octopus Deploy
20 96 (2.12%) WebDriver
General
1 857 (18.96%) Finance
2 486 (10.75%) Banking
3 208 (4.60%) Retail
4 149 (3.30%) Front Office
5 145 (3.21%) Investment Banking
6 136 (3.01%) Games
7 68 (1.50%) Telecoms
8 58 (1.28%) Marketing
9 54 (1.19%) Publishing
10 53 (1.17%) Financial Institution
11 35 (0.77%) Back Office
12 32 (0.71%) Legal
13 30 (0.66%) Retail Banking
14 27 (0.60%) Advertising
15 26 (0.58%) Law
16 16 (0.35%) Manufacturing
17 14 (0.31%) Automotive
18 13 (0.29%) Electronics
19 7 (0.15%) General Ledger
20 5 (0.11%) Pharmaceutical
Job Titles
1 3,495 (77.32%) Developer
2 1,047 (23.16%) Java Developer
3 692 (15.31%) Senior Developer
4 481 (10.64%) .NET Developer
5 444 (9.82%) C# Developer
6 372 (8.23%) React Developer
7 352 (7.79%) JavaScript Developer
8 289 (6.39%) Front End Developer (Client-Side Developer)
9 272 (6.02%) Senior Java Developer
10 237 (5.24%) Agile Developer
11 235 (5.20%) Full Stack Developer
12 196 (4.34%) Node.js Developer
13 177 (3.92%) C# .NET Developer
14 173 (3.83%) Scala Developer
15 140 (3.10%) Angular Developer
16 132 (2.92%) AWS Developer
17 123 (2.72%) Architect
18 121 (2.68%) Android Developer
19 110 (2.43%) Software Engineer
20 108 (2.39%) Agile Java Developer
Libraries, Frameworks & Software Standards
1 1,045 (23.12%) HTML
2 951 (21.04%) .NET
3 937 (20.73%) CSS
4 857 (18.96%) REST
5 845 (18.69%) AngularJS
6 831 (18.38%) React
7 806 (17.83%) Node.js
8 787 (17.41%) RESTful
9 687 (15.20%) Spring
10 672 (14.87%) Web Services
11 625 (13.83%) HTML5
12 408 (9.03%) CSS3
13 385 (8.52%) ASP.NET
14 364 (8.05%) JSON
15 330 (7.30%) ASP.NET Web API
15 330 (7.30%) Hibernate
16 295 (6.53%) Redux
17 283 (6.26%) SOAP
18 270 (5.97%) Spring Boot
19 253 (5.60%) Sass
Miscellaneous
1 521 (11.53%) Greenfield Project
2 305 (6.75%) User Experience
3 228 (5.04%) Mobile App
4 214 (4.73%) Fintech
5 128 (2.83%) Computer Science
6 108 (2.39%) Algorithms
7 103 (2.28%) Derivative
8 102 (2.26%) Analytical Skills
9 77 (1.70%) Enterprise Software
10 76 (1.68%) Foreign Exchange (FX)
11 68 (1.50%) Data Structures
11 68 (1.50%) iPad
12 59 (1.31%) Video on Demand
13 52 (1.15%) Equities
13 52 (1.15%) Fixed Income
13 52 (1.15%) Virtual Team
14 50 (1.11%) Self-Motivation
15 40 (0.88%) Over-the-Top Content
16 38 (0.84%) Equity Derivative
17 34 (0.75%) Linux Command Line
Operating Systems
1 462 (10.22%) Linux
2 251 (5.55%) Unix
3 214 (4.73%) Android
4 188 (4.16%) Apple iOS
5 104 (2.30%) Windows
6 69 (1.53%) Mac OS X
7 18 (0.40%) Mac OS
8 12 (0.27%) CentOS
9 11 (0.24%) Solaris
10 10 (0.22%) HPUX
11 8 (0.18%) Red Hat Enterprise Linux
11 8 (0.18%) VMS
12 7 (0.15%) Nucleus RTOS
12 7 (0.15%) Ubuntu
13 6 (0.13%) Windows Phone
14 4 (0.088%) Windows Server
15 3 (0.066%) CoreOS
15 3 (0.066%) Debian
15 3 (0.066%) Oracle Linux
15 3 (0.066%) Windows 8
Processes & Methodologies
1 3,439 (76.08%) Agile Software Development
2 1,932 (42.74%) BDD
3 1,199 (26.53%) Scrum
4 1,077 (23.83%) Continuous Integration
5 933 (20.64%) Microservices
6 828 (18.32%) Test Automation
7 794 (17.57%) DevOps
8 769 (17.01%) MVC
9 665 (14.71%) OO
10 605 (13.38%) Pair Programming
11 566 (12.52%) Kanban
12 519 (11.48%) Software Engineering
13 497 (11.00%) Unit Testing
14 470 (10.40%) E-Commerce
15 452 (10.00%) Continuous Delivery
16 378 (8.36%) Front End Development
17 374 (8.27%) Multithreading
18 303 (6.70%) Open Source
19 302 (6.68%) SOLID
20 291 (6.44%) SOA
Programming Languages
1 1,862 (41.19%) Java
2 1,587 (35.11%) JavaScript
3 976 (21.59%) C#
4 755 (16.70%) SQL
5 647 (14.31%) Java 8
6 459 (10.15%) Python
7 434 (9.60%) Scala
8 327 (7.23%) Ruby
9 293 (6.48%) ES6
10 180 (3.98%) TypeScript
11 174 (3.85%) Groovy
12 114 (2.52%) Kotlin
13 113 (2.50%) Apple Swift
14 105 (2.32%) C++
15 103 (2.28%) Go
16 100 (2.21%) Bash Shell
17 95 (2.10%) PHP
18 82 (1.81%) T-SQL
19 76 (1.68%) Objective-C
20 58 (1.28%) Perl
Qualifications
1 229 (5.07%) Degree
2 221 (4.89%) Security Cleared
3 193 (4.27%) SC Cleared
4 58 (1.28%) Computer Science Degree
5 38 (0.84%) BPSS Clearance
6 30 (0.66%) Master's Degree
7 16 (0.35%) DV Cleared
7 16 (0.35%) ISTQB
8 11 (0.24%) ISEB
9 9 (0.20%) AWS Certification
9 9 (0.20%) PhD
10 6 (0.13%) CTC Cleared
10 6 (0.13%) DBS Check
11 5 (0.11%) ISTQB Foundation Certification
11 5 (0.11%) Microsoft Certification
11 5 (0.11%) PMI Certification
11 5 (0.11%) PMP
12 2 (0.044%) MCAD
12 2 (0.044%) MCP
12 2 (0.044%) Numerate Degree
Quality Assurance & Compliance
1 290 (6.42%) QA
2 30 (0.66%) GCP
2 30 (0.66%) PCI DSS
3 13 (0.29%) GDPR
3 13 (0.29%) MiFID
4 12 (0.27%) Data Quality
5 7 (0.15%) EMIR
6 6 (0.13%) Disclosure Scotland
6 6 (0.13%) PMO
6 6 (0.13%) PSD2
7 5 (0.11%) HMG Security Policy Framework
8 4 (0.088%) Dodd-Frank
8 4 (0.088%) SLA
8 4 (0.088%) WCAG
9 2 (0.044%) SEPA
9 2 (0.044%) WAI
10 1 (0.022%) ISO/IEC 27001
System Software
1 650 (14.38%) Docker
2 17 (0.38%) HDFS
3 15 (0.33%) Active Directory
3 15 (0.33%) VMware Infrastructure
3 15 (0.33%) vSphere
4 3 (0.066%) NFS
4 3 (0.066%) OpenDJ
4 3 (0.066%) OpenIDM
4 3 (0.066%) vCloud
4 3 (0.066%) Veritas Cluster Server
4 3 (0.066%) Virtual Servers
5 2 (0.044%) Apache ZooKeeper
6 1 (0.022%) Virtual Desktop
Systems Management
1 247 (5.46%) Ansible
2 231 (5.11%) Kubernetes
3 198 (4.38%) Puppet
4 160 (3.54%) Opscode Chef
5 139 (3.08%) Terraform
6 61 (1.35%) Mesos
7 48 (1.06%) Kibana
8 41 (0.91%) logstash
9 31 (0.69%) Grafana
10 24 (0.53%) Docker Swarm
11 22 (0.49%) Consul
12 18 (0.40%) Prometheus
13 17 (0.38%) Business Desktop Deployment
14 14 (0.31%) Salt
15 12 (0.27%) Single Sign-On
16 10 (0.22%) Packer
17 9 (0.20%) Cobbler
17 9 (0.20%) Hadoop YARN
17 9 (0.20%) Marathon
18 8 (0.18%) Control-M
Vendors
1 239 (5.29%) Oracle
2 200 (4.42%) Microsoft
3 114 (2.52%) Google
4 69 (1.53%) Splunk
5 51 (1.13%) IBM
6 50 (1.11%) Adobe
7 42 (0.93%) AppDynamics
7 42 (0.93%) Sitecore
8 37 (0.82%) Salesforce.com
9 28 (0.62%) MuleSoft
10 25 (0.55%) Atlassian
11 24 (0.53%) Tableau
12 23 (0.51%) Sybase
13 22 (0.49%) Apple
14 19 (0.42%) Coverity
14 19 (0.42%) FXall
15 18 (0.40%) SAP
16 17 (0.38%) Apigee
16 17 (0.38%) ATG
16 17 (0.38%) Cloudera