Period
to 19 October 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 19 October 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
19 Oct 2018
Same period 2017 Same period 2016
Rank 11 10 15
Rank change year-on-year -1 +5 +7
Contract jobs citing TDD 4,690 4,420 3,759
As % of all contract IT jobs advertised in London 10.17% 9.81% 8.42%
As % of the Processes & Methodologies category 11.63% 11.15% 9.66%
Number of daily rates quoted 3,834 3,642 3,174
London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% -
10th Percentile £413 £388 £363
90th Percentile £675 £638 £638
England median daily rate £500 £488 £450
% change year-on-year +2.56% +8.33% +5.88%
Number of hourly rates quoted 4 3 6
London median hourly rate £27.25 £32.50 £48.00
Median hourly rate % change year-on-year -16.15% -32.29% +6.67%
10th Percentile £16.45 £31.25 £45.25
90th Percentile £60.92 £37.75 £78.75
England median hourly rate £41.50 £45.00 £41.25
% change year-on-year -7.78% +9.09% +3.13%

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 40,343 39,644 38,920
As % of all contract IT jobs advertised in London 87.50% 88.01% 87.15%
Number of daily rates quoted 29,136 28,682 27,988
London median daily rate £500 £500 £463
Median daily rate % change year-on-year - +8.11% +2.78%
10th Percentile £325 £313 £300
90th Percentile £675 £663 £640
England median daily rate £473 £450 £425
% change year-on-year +5.00% +5.88% +3.03%
Number of hourly rates quoted 473 366 405
London median hourly rate £21.50 £22.56 £21.23
Median hourly rate % change year-on-year -4.70% +6.26% +6.15%
10th Percentile £13.31 £13.12 £11.39
90th Percentile £54.01 £50.00 £52.50
England median hourly rate £21.00 £24.66 £22.50
% change year-on-year -14.84% +9.60% +3.73%

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 19 October 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 19 October 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 19 October 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 1,049 £525 - 336
South London -10 214 £525 - 23
West London -1 213 £525 +4.48% 166
East London +5 102 £550 +4.76% 52
North London -5 7 £475 +18.75% 8
TDD
England

For the 6 months to 19 October 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 3,399 (72.47%) Agile Software Development
2 2,015 (42.96%) BDD
3 1,963 (41.86%) Java
4 1,732 (36.93%) JavaScript
5 1,156 (24.65%) Microservices
6 1,148 (24.48%) Continuous Integration
7 1,135 (24.20%) Scrum
8 1,074 (22.90%) Git (software)
9 1,009 (21.51%) C#
10 995 (21.22%) AngularJS
11 983 (20.96%) Amazon AWS
12 965 (20.58%) .NET
13 958 (20.43%) HTML
14 936 (19.96%) Finance
15 897 (19.13%) CSS
16 893 (19.04%) REST
17 877 (18.70%) React
18 868 (18.51%) Jenkins
19 861 (18.36%) Docker
20 842 (17.95%) Test Automation
21 818 (17.44%) DevOps
22 812 (17.31%) SQL
23 811 (17.29%) Spring
24 785 (16.74%) Node.js
25 776 (16.55%) Microsoft Azure
26 751 (16.01%) RESTful
27 677 (14.43%) OO
27 677 (14.43%) Java 8
28 625 (13.33%) Web Services
29 616 (13.13%) Greenfield Project

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
1 250 (5.33%) Confluence
2 212 (4.52%) Elasticsearch
3 147 (3.13%) Apache Spark
4 140 (2.99%) Apache
5 130 (2.77%) Tomcat
6 105 (2.24%) WebSphere
7 96 (2.05%) WebLogic
8 94 (2.00%) NServiceBus
9 93 (1.98%) OpenStack
10 76 (1.62%) CMS
11 49 (1.04%) JBoss
12 48 (1.02%) Cloud Foundry
13 43 (0.92%) Apache Solr
14 34 (0.72%) IIS
15 25 (0.53%) Mule
16 20 (0.43%) Apache Airflow
17 19 (0.41%) MQSeries
18 15 (0.32%) Gunicorn
18 15 (0.32%) Jetty
19 14 (0.30%) Sitecore CMS
Applications
1 36 (0.77%) Photoshop
2 32 (0.68%) Microsoft Excel
3 19 (0.41%) Spreadsheet
4 10 (0.21%) InVision
5 6 (0.13%) Fireworks
6 5 (0.11%) Chatbot
6 5 (0.11%) GIMP
7 4 (0.085%) Adobe Illustrator
8 2 (0.043%) MS Visio
8 2 (0.043%) Snapchat
8 2 (0.043%) S-PLUS
9 1 (0.021%) Final Cut Pro
9 1 (0.021%) Microsoft Office
9 1 (0.021%) Microsoft PowerPoint
9 1 (0.021%) Microsoft Project
Business Applications
1 12 (0.26%) Payment Gateway
2 10 (0.21%) Dynamics CRM
2 10 (0.21%) Markit EDM
3 8 (0.17%) thinkFolio
4 4 (0.085%) Eagle PACE
4 4 (0.085%) Front Arena
4 4 (0.085%) SAP Hybris
4 4 (0.085%) SDL Web 8
5 3 (0.064%) LatentZero
5 3 (0.064%) Oracle Financials
5 3 (0.064%) Oracle Retail
5 3 (0.064%) PeopleSoft Financials
5 3 (0.064%) SAP Oil and Gas
6 2 (0.043%) Endur
6 2 (0.043%) Global One
6 2 (0.043%) ION MarketView
6 2 (0.043%) Magento
6 2 (0.043%) PolarLake
6 2 (0.043%) Summit
6 2 (0.043%) Unica
Cloud Services
1 983 (20.96%) Amazon AWS
2 776 (16.55%) Microsoft Azure
3 195 (4.16%) GitHub
4 144 (3.07%) Serverless
5 141 (3.01%) Google Cloud Platform
6 91 (1.94%) npm
7 78 (1.66%) Amazon EC2
8 73 (1.56%) Heroku
9 65 (1.39%) PaaS
10 61 (1.30%) AWS Lambda
11 60 (1.28%) Cloud Computing
12 47 (1.00%) Amazon S3
13 44 (0.94%) OpenShift
14 42 (0.90%) Amazon SQS
15 27 (0.58%) SaaS
16 24 (0.51%) Azure Functions
17 23 (0.49%) IaaS
18 22 (0.47%) Sauce Labs
19 20 (0.43%) BrowserStack
20 19 (0.41%) Virtual Private Cloud
Communications & Networking
1 168 (3.58%) HTTP
2 48 (1.02%) TCP/IP
3 39 (0.83%) AMQP
3 39 (0.83%) Internet
4 28 (0.60%) SSL
5 23 (0.49%) FTP
6 22 (0.47%) DNS
7 18 (0.38%) Kerberos
8 16 (0.34%) HTTPS
9 15 (0.32%) SMS
10 13 (0.28%) Firewall
11 10 (0.21%) Network Security
12 8 (0.17%) LAN
13 6 (0.13%) SMTP
14 4 (0.085%) MQTT
14 4 (0.085%) SSH
15 3 (0.064%) FIX Connectivity
15 3 (0.064%) MPLS
16 2 (0.043%) Broadband
16 2 (0.043%) VPN
Database & Business Intelligence
1 494 (10.53%) NoSQL
2 478 (10.19%) SQL Server
3 351 (7.48%) PostgreSQL
4 299 (6.38%) MySQL
5 269 (5.74%) MongoDB
6 266 (5.67%) Relational Database
7 202 (4.31%) Big Data
8 152 (3.24%) Apache Cassandra
9 141 (3.01%) Hadoop
10 88 (1.88%) HBase
11 84 (1.79%) Redis
12 72 (1.54%) Azure SQL Database
13 64 (1.36%) Apache Hive
14 53 (1.13%) SQL Server 2012
15 47 (1.00%) Cosmos DB
16 46 (0.98%) Amazon DynamoDB
17 42 (0.90%) Data Lake
18 40 (0.85%) Amazon Redshift
18 40 (0.85%) RDBMS
19 34 (0.72%) SQL Server 2008
Development Applications
1 1,074 (22.90%) Git (software)
2 868 (18.51%) Jenkins
3 429 (9.15%) JIRA
4 428 (9.13%) Maven
5 388 (8.27%) Selenium
6 327 (6.97%) Cucumber
7 283 (6.03%) JUnit
8 216 (4.61%) TeamCity
9 192 (4.09%) webpack
10 180 (3.84%) NUnit
11 176 (3.75%) Mockito
12 145 (3.09%) Gradle
13 141 (3.01%) Subversion
14 129 (2.75%) SpecFlow
15 124 (2.64%) WebDriver
16 121 (2.58%) Jasmine
17 114 (2.43%) gulp
17 114 (2.43%) Mocha
18 104 (2.22%) Octopus Deploy
19 102 (2.17%) Grunt
General
1 936 (19.96%) Finance
2 530 (11.30%) Banking
3 223 (4.75%) Front Office
4 192 (4.09%) Retail
5 166 (3.54%) Investment Banking
6 99 (2.11%) Games
7 77 (1.64%) Telecoms
8 72 (1.54%) Law
9 59 (1.26%) Marketing
10 56 (1.19%) Financial Institution
11 53 (1.13%) Publishing
12 50 (1.07%) Advertising
13 40 (0.85%) Back Office
14 18 (0.38%) Automotive
15 15 (0.32%) Legal
16 14 (0.30%) Manufacturing
17 12 (0.26%) Electronics
18 10 (0.21%) Pharmaceutical
18 10 (0.21%) Retail Banking
19 7 (0.15%) Billing
Job Titles
1 3,623 (77.25%) Developer
2 1,142 (24.35%) Java Developer
3 653 (13.92%) Senior Developer
4 479 (10.21%) C# Developer
5 467 (9.96%) .NET Developer
6 450 (9.59%) React Developer
7 391 (8.34%) Front End Developer (Client-Side Developer)
8 354 (7.55%) JavaScript Developer
9 263 (5.61%) Full Stack Developer
10 254 (5.42%) Angular Developer
11 246 (5.25%) Senior Java Developer
12 191 (4.07%) Agile Developer
13 173 (3.69%) C# .NET Developer
14 160 (3.41%) Node.js Developer
15 159 (3.39%) AWS Developer
16 153 (3.26%) Python Developer
17 147 (3.13%) Lead Developer
18 139 (2.96%) Software Engineer
19 136 (2.90%) Scala Developer
20 120 (2.56%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 995 (21.22%) AngularJS
2 965 (20.58%) .NET
3 958 (20.43%) HTML
4 897 (19.13%) CSS
5 893 (19.04%) REST
6 877 (18.70%) React
7 811 (17.29%) Spring
8 785 (16.74%) Node.js
9 751 (16.01%) RESTful
10 625 (13.33%) Web Services
11 537 (11.45%) HTML5
12 465 (9.91%) Spring Boot
13 344 (7.33%) CSS3
14 337 (7.19%) Redux
15 332 (7.08%) JSON
16 316 (6.74%) ASP.NET Web API
17 295 (6.29%) ASP.NET
18 288 (6.14%) Sass
19 276 (5.88%) Hibernate
20 257 (5.48%) Kafka
Miscellaneous
1 616 (13.13%) Greenfield Project
2 341 (7.27%) User Experience
3 322 (6.87%) Fintech
4 243 (5.18%) Mobile App
5 198 (4.22%) Computer Science
6 193 (4.12%) Analytical Skills
7 134 (2.86%) Fixed Income
8 126 (2.69%) Algorithms
9 122 (2.60%) Data Structures
10 119 (2.54%) Derivative
11 102 (2.17%) Foreign Exchange (FX)
12 83 (1.77%) Equities
13 71 (1.51%) iPad
14 58 (1.24%) Enterprise Software
15 56 (1.19%) Video on Demand
16 47 (1.00%) Video\Live Streaming
17 46 (0.98%) Cloud Native
18 45 (0.96%) Hedge funds
19 44 (0.94%) Self-Motivation
20 41 (0.87%) Virtual Team
Operating Systems
1 375 (8.00%) Linux
2 223 (4.75%) Apple iOS
3 222 (4.73%) Unix
4 196 (4.18%) Android
5 152 (3.24%) Windows
6 34 (0.72%) Windows Server
7 22 (0.47%) Mac OS X
8 15 (0.32%) Mac OS
8 15 (0.32%) VMS
9 8 (0.17%) Windows 7
10 7 (0.15%) Red Hat Enterprise Linux
10 7 (0.15%) Solaris
10 7 (0.15%) Windows 8
11 3 (0.064%) CentOS
11 3 (0.064%) Ubuntu
12 2 (0.043%) CoreOS
12 2 (0.043%) Oracle Linux
13 1 (0.021%) DC/OS
13 1 (0.021%) Tizen
13 1 (0.021%) Windows Server 2012
Processes & Methodologies
1 3,399 (72.47%) Agile Software Development
2 2,015 (42.96%) BDD
3 1,156 (24.65%) Microservices
4 1,148 (24.48%) Continuous Integration
5 1,135 (24.20%) Scrum
6 842 (17.95%) Test Automation
7 818 (17.44%) DevOps
8 677 (14.43%) OO
9 560 (11.94%) Software Engineering
10 542 (11.56%) Front End Development
11 541 (11.54%) Kanban
12 527 (11.24%) Pair Programming
13 524 (11.17%) MVC
14 472 (10.06%) Continuous Delivery
15 469 (10.00%) Unit Testing
16 420 (8.96%) E-Commerce
17 308 (6.57%) Multithreading
18 307 (6.55%) SOA
19 296 (6.31%) Open Source
20 293 (6.25%) Problem-Solving
Programming Languages
1 1,963 (41.86%) Java
2 1,732 (36.93%) JavaScript
3 1,009 (21.51%) C#
4 812 (17.31%) SQL
5 677 (14.43%) Java 8
6 540 (11.51%) Python
7 331 (7.06%) Scala
8 307 (6.55%) TypeScript
9 268 (5.71%) ES6
10 243 (5.18%) Ruby
11 145 (3.09%) Apple Swift
12 127 (2.71%) PHP
13 116 (2.47%) Groovy
14 112 (2.39%) Kotlin
15 107 (2.28%) Go
16 90 (1.92%) C++
17 86 (1.83%) Bash Shell
18 81 (1.73%) T-SQL
19 77 (1.64%) Objective-C
20 56 (1.19%) C
Qualifications
1 233 (4.97%) Degree
2 187 (3.99%) Security Cleared
3 160 (3.41%) SC Cleared
4 82 (1.75%) Computer Science Degree
5 46 (0.98%) BPSS Clearance
6 16 (0.34%) ISTQB
6 16 (0.34%) Numerate Degree
7 15 (0.32%) ISEB
8 13 (0.28%) DV Cleared
9 12 (0.26%) Master's Degree
10 10 (0.21%) PhD
11 9 (0.19%) CTC Cleared
12 5 (0.11%) ISEB Practitioner
12 5 (0.11%) ISTQB Advanced Certification
13 4 (0.085%) PMI Certification
14 3 (0.064%) DBS Check
14 3 (0.064%) PMP
15 2 (0.043%) AWS Certification
16 1 (0.021%) CIPD
16 1 (0.021%) SAFe Agilist
Quality Assurance & Compliance
1 302 (6.44%) QA
2 14 (0.30%) PCI DSS
2 14 (0.30%) PMO
3 12 (0.26%) Data Quality
4 11 (0.23%) MiFID
5 10 (0.21%) EMIR
6 9 (0.19%) GDPR
7 5 (0.11%) Disclosure Scotland
8 4 (0.085%) SLA
8 4 (0.085%) WCAG
9 3 (0.064%) ISO 20022
9 3 (0.064%) ISO/IEC 27001
9 3 (0.064%) PSD2
10 2 (0.043%) Dodd-Frank
10 2 (0.043%) WAI
11 1 (0.021%) Solvency II
System Software
1 861 (18.36%) Docker
2 38 (0.81%) HDFS
3 37 (0.79%) VMware Infrastructure
4 33 (0.70%) vSphere
5 9 (0.19%) Active Directory
5 9 (0.19%) Apache ZooKeeper
6 4 (0.085%) Apache Flume
6 4 (0.085%) Platform Symphony
7 3 (0.064%) OpenAM
7 3 (0.064%) Virtual Machines
8 2 (0.043%) Microsoft App-V
8 2 (0.043%) Postfix
9 1 (0.021%) Ceph
9 1 (0.021%) IAG
9 1 (0.021%) NFS
9 1 (0.021%) OpenDJ
9 1 (0.021%) OpenIDM
9 1 (0.021%) vCloud
9 1 (0.021%) Virtual Desktop
9 1 (0.021%) VirtualBox
Systems Management
1 391 (8.34%) Kubernetes
2 265 (5.65%) Ansible
3 186 (3.97%) Puppet
4 168 (3.58%) Terraform
5 141 (3.01%) Opscode Chef
6 58 (1.24%) Mesos
7 37 (0.79%) Kibana
8 31 (0.66%) logstash
9 23 (0.49%) Grafana
10 22 (0.47%) Hadoop YARN
11 21 (0.45%) Prometheus
12 19 (0.41%) Packer
13 18 (0.38%) Consul
14 14 (0.30%) Oozie
15 13 (0.28%) Business Desktop Deployment
15 13 (0.28%) Docker Swarm
16 11 (0.23%) HP Quality Center
16 11 (0.23%) Single Sign-On
17 10 (0.21%) ITRS Geneos
18 8 (0.17%) Rancher
Vendors
1 270 (5.76%) Microsoft
2 268 (5.71%) Oracle
3 161 (3.43%) Google
4 47 (1.00%) Splunk
5 46 (0.98%) IBM
5 46 (0.98%) Sybase
6 40 (0.85%) Atlassian
7 39 (0.83%) VMware
8 33 (0.70%) Apiary
9 30 (0.64%) Apple
9 30 (0.64%) TIBCO
10 29 (0.62%) Adobe
10 29 (0.62%) Cloudera
11 27 (0.58%) MuleSoft
11 27 (0.58%) Salesforce.com
12 25 (0.53%) Sitecore
13 24 (0.51%) SAP
13 24 (0.51%) Tableau
14 22 (0.47%) AppDynamics
15 21 (0.45%) DevExpress