Period
to 18 February 2018

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 6 months to 18 February 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > London
6 months to
18 Feb 2018
Same period 2017 Same period 2016
Rank 18 18 18
Rank change year-on-year 0 0 +3
Permanent jobs citing TDD 7,069 6,979 8,527
As % of all permanent IT jobs advertised in London 10.19% 10.03% 9.96%
As % of the Processes & Methodologies category 11.15% 11.08% 11.09%
Number of salaries quoted 6,065 6,444 7,712
London median annual salary £62,500 £60,000 £55,750
Median salary % change year-on-year +4.17% +7.62% +1.36%
10th Percentile £37,500 £36,250 £37,500
90th Percentile £87,500 £85,000 £82,500
England median annual salary £52,500 £51,000 £50,000
% change year-on-year +2.94% +2.00% -

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Permanent vacancies with a requirement for process or methodology skills 63,408 62,998 76,885
As % of all permanent IT jobs advertised in London 91.43% 90.53% 89.78%
Number of salaries quoted 51,823 53,344 65,168
London median annual salary £60,000 £60,000 £55,000
Median salary % change year-on-year - +9.09% -
10th Percentile £36,250 £33,750 £33,750
90th Percentile £92,500 £90,000 £86,538
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

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
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD in London.

Salary trend for TDD in London

TDD
Salary Histogram in London

The salary distribution of IT jobs citing TDD in London over the 6 months to 18 February 2018.

Salary histogram for TDD in London

TDD
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the London region over the 6 months to 18 February 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London 0 1,456 £65,000 +8.33% 262
West London -10 240 £57,500 -4.96% 174
South London -1 151 £57,500 - 25
East London -5 62 £52,500 -20.75% 38
North London +5 44 £45,000 - 13
TDD
England

For the 6 months to 18 February 2018, IT 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 permanent job ads across the London region with a requirement for TDD.

1 5,705 (80.70%) Agile Software Development
2 3,243 (45.88%) BDD
3 2,813 (39.79%) Java
4 2,682 (37.94%) C#
5 2,680 (37.91%) JavaScript
6 2,520 (35.65%) .NET
7 2,261 (31.98%) Scrum
8 1,850 (26.17%) Continuous Integration
9 1,841 (26.04%) MVC
10 1,833 (25.93%) SQL Server
11 1,714 (24.25%) Finance
12 1,648 (23.31%) HTML
13 1,531 (21.66%) CSS
14 1,518 (21.47%) SQL
15 1,511 (21.38%) AngularJS
16 1,451 (20.53%) ASP.NET
17 1,403 (19.85%) Microservices
18 1,385 (19.59%) Git (software)
19 1,341 (18.97%) Software Engineering
20 1,292 (18.28%) Amazon AWS
21 1,266 (17.91%) Node.js
22 1,261 (17.84%) ASP.NET MVC
23 1,226 (17.34%) RESTful
24 1,137 (16.08%) Test Automation
25 1,120 (15.84%) DevOps
26 1,056 (14.94%) NoSQL
27 1,046 (14.80%) Kanban
27 1,046 (14.80%) Spring
28 1,032 (14.60%) REST
29 1,000 (14.15%) OO

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
1 375 (5.30%) Elasticsearch
2 214 (3.03%) Apache Spark
3 199 (2.82%) CMS
4 157 (2.22%) Confluence
5 156 (2.21%) Tomcat
6 139 (1.97%) Apache
7 97 (1.37%) Apache Solr
8 88 (1.24%) Umbraco
9 81 (1.15%) EPiServer
10 74 (1.05%) Sitecore CMS
11 73 (1.03%) WebSphere
12 68 (0.96%) nginx
13 55 (0.78%) OpenStack
14 53 (0.75%) SharePoint
15 47 (0.66%) Drupal
16 44 (0.62%) IIS
17 42 (0.59%) Cloud Foundry
17 42 (0.59%) Kentico
18 34 (0.48%) Sitefinity
19 32 (0.45%) SharePoint 2013
Applications
1 53 (0.75%) Microsoft Excel
2 24 (0.34%) Photoshop
3 7 (0.099%) Adobe Illustrator
4 6 (0.085%) GIMP
5 5 (0.071%) Microsoft Project
6 3 (0.042%) Microsoft Office
7 2 (0.028%) Adobe Creative Suite
7 2 (0.028%) Microsoft PowerPoint
7 2 (0.028%) MS Visio
8 1 (0.014%) Chatbot
8 1 (0.014%) Spreadsheet
Business Applications
1 41 (0.58%) Payment Gateway
2 38 (0.54%) Dynamics CRM
3 29 (0.41%) Magento
4 21 (0.30%) Eloqua
5 20 (0.28%) Distributed Ledger
6 9 (0.13%) MetaTrader
7 6 (0.085%) Oracle EBS
7 6 (0.085%) Oracle Retail
8 5 (0.071%) RMDS
9 4 (0.057%) Salesforce.com CRM
10 3 (0.042%) R3 Corda
11 2 (0.028%) Adobe Campaign
11 2 (0.028%) Dynamics NAV
11 2 (0.028%) Elite 3E
11 2 (0.028%) Temenos T24
11 2 (0.028%) Visualfiles
12 1 (0.014%) Beauchamp
12 1 (0.014%) ION MarketView
12 1 (0.014%) Summit
12 1 (0.014%) WebTrends
Cloud Services
1 1,292 (18.28%) Amazon AWS
2 773 (10.94%) Microsoft Azure
3 220 (3.11%) GitHub
4 165 (2.33%) SaaS
5 153 (2.16%) PaaS
6 130 (1.84%) npm
7 119 (1.68%) Serverless
8 117 (1.66%) Google Cloud Platform
9 98 (1.39%) Cloud Computing
10 88 (1.24%) IaaS
11 84 (1.19%) Amazon S3
12 66 (0.93%) Amazon EC2
13 55 (0.78%) Google Play
13 55 (0.78%) Slack
14 46 (0.65%) AWS Lambda
15 44 (0.62%) OpenShift
16 41 (0.58%) AWS CloudFormation
17 36 (0.51%) Azure Active Directory
18 26 (0.37%) Office 365
19 25 (0.35%) Amazon SQS
Communications & Networking
1 283 (4.00%) Internet
2 166 (2.35%) HTTP
3 40 (0.57%) Hyperconnected
4 34 (0.48%) Broadband
5 33 (0.47%) Firewall
6 27 (0.38%) DNS
7 21 (0.30%) VPN
8 17 (0.24%) ATM
9 16 (0.23%) DMZ
9 16 (0.23%) WAN
10 15 (0.21%) SSH
11 13 (0.18%) DHCP
11 13 (0.18%) TCP/IP
12 9 (0.13%) AMQP
12 9 (0.13%) SSL
13 8 (0.11%) Intranet
13 8 (0.11%) OpenVPN
14 6 (0.085%) 3G
14 6 (0.085%) Kerberos
15 5 (0.071%) PPP
Database & Business Intelligence
1 1,833 (25.93%) SQL Server
2 1,056 (14.94%) NoSQL
3 707 (10.00%) SQL Server 2014
4 528 (7.47%) MySQL
5 520 (7.36%) MongoDB
6 374 (5.29%) Big Data
7 289 (4.09%) Relational Database
8 243 (3.44%) PostgreSQL
9 213 (3.01%) Hadoop
10 209 (2.96%) Redis
11 168 (2.38%) Apache Cassandra
12 132 (1.87%) Amazon DynamoDB
13 95 (1.34%) Blockchain
14 94 (1.33%) SQL Server 2016
15 90 (1.27%) RDBMS
16 83 (1.17%) Neo4j
17 70 (0.99%) SQL Server Integration Services
18 67 (0.95%) SQL Server 2008
19 62 (0.88%) Couchbase
20 61 (0.86%) SQL Server 2012
Development Applications
1 1,385 (19.59%) Git (software)
2 781 (11.05%) Jenkins
3 710 (10.04%) NUnit
4 543 (7.68%) Rhino Mocks
5 540 (7.64%) Selenium
6 490 (6.93%) Cucumber
7 458 (6.48%) JIRA
8 416 (5.88%) Maven
9 387 (5.47%) JUnit
10 369 (5.22%) Moq
11 356 (5.04%) TeamCity
12 322 (4.56%) Subversion
13 241 (3.41%) Team Foundation Server
14 207 (2.93%) Atlassian Bamboo
15 205 (2.90%) Gradle
16 194 (2.74%) gulp
17 192 (2.72%) MSTest
18 189 (2.67%) webpack
19 185 (2.62%) WebDriver
20 181 (2.56%) Visual Studio
General
1 1,714 (24.25%) Finance
2 642 (9.08%) Banking
3 615 (8.70%) Games
4 407 (5.76%) Retail
5 329 (4.65%) Marketing
6 237 (3.35%) Advertising
7 226 (3.20%) Investment Banking
8 169 (2.39%) Telecoms
9 149 (2.11%) Front Office
10 101 (1.43%) Law
11 95 (1.34%) Publishing
12 93 (1.32%) Financial Institution
13 84 (1.19%) Retail Banking
14 61 (0.86%) Back Office
15 59 (0.83%) Online Betting
16 46 (0.65%) Legal
17 44 (0.62%) Music Industry
18 40 (0.57%) Manufacturing
19 27 (0.38%) Electronics
20 18 (0.25%) Automotive
Job Titles
1 5,143 (72.75%) Developer
2 1,485 (21.01%) .NET Developer
3 1,413 (19.99%) Java Developer
4 1,326 (18.76%) C# Developer
5 1,030 (14.57%) Senior Developer
6 883 (12.49%) C# .NET Developer
7 519 (7.34%) Software Engineer
8 511 (7.23%) Agile Developer
9 455 (6.44%) ASP.NET Developer
10 445 (6.30%) C# ASP.NET Developer
11 407 (5.76%) JavaScript Developer
12 381 (5.39%) Java Engineer
13 349 (4.94%) ASP.NET MVC Developer
14 347 (4.91%) Front End Developer (Client-Side Developer)
15 338 (4.78%) Senior Java Developer
16 313 (4.43%) Full Stack Developer
17 283 (4.00%) Lead Developer
18 253 (3.58%) Software Developer
19 247 (3.49%) Agile C# Developer
20 231 (3.27%) Agile .NET Developer
Libraries, Frameworks & Software Standards
1 2,520 (35.65%) .NET
2 1,648 (23.31%) HTML
3 1,531 (21.66%) CSS
4 1,511 (21.38%) AngularJS
5 1,451 (20.53%) ASP.NET
6 1,266 (17.91%) Node.js
7 1,261 (17.84%) ASP.NET MVC
8 1,226 (17.34%) RESTful
9 1,046 (14.80%) Spring
10 1,032 (14.60%) REST
11 964 (13.64%) WCF
12 934 (13.21%) React
13 924 (13.07%) HTML5
14 852 (12.05%) Web Services
15 806 (11.40%) ASP.NET MVC 5
16 764 (10.81%) ASP.NET Web API
17 689 (9.75%) WPF
18 624 (8.83%) jQuery
19 538 (7.61%) .NET Framework
20 524 (7.41%) CSS3
Miscellaneous
1 833 (11.78%) Greenfield Project
2 677 (9.58%) Fintech
3 541 (7.65%) Computer Science
4 450 (6.37%) User Experience
5 387 (5.47%) Mobile App
6 299 (4.23%) Enterprise Software
7 248 (3.51%) Analytical Skills
8 211 (2.98%) Algorithms
9 136 (1.92%) Client/Server
10 121 (1.71%) Data Structures
11 104 (1.47%) Foreign Exchange (FX)
11 104 (1.47%) Linux Command Line
12 103 (1.46%) Tandem
13 89 (1.26%) Hedge funds
13 89 (1.26%) Online Games
14 80 (1.13%) Social Network
15 78 (1.10%) Social Media
16 70 (0.99%) Derivative
16 70 (0.99%) Equities
17 64 (0.91%) BBC
Operating Systems
1 703 (9.94%) Linux
2 474 (6.71%) Windows
3 434 (6.14%) Android
4 375 (5.30%) Apple iOS
5 256 (3.62%) Unix
6 26 (0.37%) CentOS
7 21 (0.30%) Mac OS X
7 21 (0.30%) Windows Phone
8 19 (0.27%) Nucleus RTOS
9 18 (0.25%) Ubuntu
10 13 (0.18%) HPUX
10 13 (0.18%) Solaris
11 12 (0.17%) Red Hat Enterprise Linux
12 11 (0.16%) Mac OS
13 8 (0.11%) Windows 7
13 8 (0.11%) Windows 8
14 7 (0.099%) Debian
15 6 (0.085%) MVS
15 6 (0.085%) openSUSE
15 6 (0.085%) Windows Server
Processes & Methodologies
1 5,705 (80.70%) Agile Software Development
2 3,243 (45.88%) BDD
3 2,261 (31.98%) Scrum
4 1,850 (26.17%) Continuous Integration
5 1,841 (26.04%) MVC
6 1,403 (19.85%) Microservices
7 1,341 (18.97%) Software Engineering
8 1,137 (16.08%) Test Automation
9 1,120 (15.84%) DevOps
10 1,046 (14.80%) Kanban
11 1,000 (14.15%) OO
12 879 (12.43%) Web Application Development
13 734 (10.38%) E-Commerce
14 615 (8.70%) Unit Testing
15 596 (8.43%) Pair Programming
16 590 (8.35%) Front End Development
17 512 (7.24%) Mentoring
18 507 (7.17%) SOLID
19 505 (7.14%) Continuous Delivery
20 461 (6.52%) Open Source
Programming Languages
1 2,813 (39.79%) Java
2 2,682 (37.94%) C#
3 2,680 (37.91%) JavaScript
4 1,518 (21.47%) SQL
5 814 (11.52%) Python
6 698 (9.87%) Ruby
7 590 (8.35%) Scala
8 570 (8.06%) PHP
9 319 (4.51%) ES6
10 291 (4.12%) C++
11 266 (3.76%) T-SQL
12 198 (2.80%) TypeScript
13 194 (2.74%) Go
14 157 (2.22%) Apple Swift
15 154 (2.18%) Objective-C
16 147 (2.08%) Groovy
17 125 (1.77%) Bash Shell
18 118 (1.67%) C
19 93 (1.32%) PowerShell
20 87 (1.23%) VB.NET
Qualifications
1 757 (10.71%) Degree
2 284 (4.02%) Computer Science Degree
3 119 (1.68%) Security Cleared
4 63 (0.89%) SC Cleared
5 33 (0.47%) Master's Degree
6 30 (0.42%) ISTQB
7 28 (0.40%) Microsoft Certification
8 27 (0.38%) PhD
9 17 (0.24%) DV Cleared
9 17 (0.24%) ISEB
10 15 (0.21%) PMI Certification
11 13 (0.18%) MCAD
11 13 (0.18%) MCSD
12 12 (0.17%) CTC Cleared
12 12 (0.17%) MCTS
12 12 (0.17%) Numerate Degree
12 12 (0.17%) PMP
13 11 (0.16%) APMG
13 11 (0.16%) MCP
14 10 (0.14%) AWS Certification
Quality Assurance & Compliance
1 606 (8.57%) QA
2 38 (0.54%) GCP
3 23 (0.33%) PCI DSS
4 15 (0.21%) WCAG
5 11 (0.16%) PSD2
6 10 (0.14%) Data Quality
7 7 (0.099%) MiFID
8 6 (0.085%) PMO
9 5 (0.071%) SEPA
10 4 (0.057%) GDPR
11 3 (0.042%) COBIT
12 2 (0.028%) EMIR
12 2 (0.028%) ISO 20022
12 2 (0.028%) ISO 8583
12 2 (0.028%) ISO/IEC 27001
12 2 (0.028%) SLA
13 1 (0.014%) Basel III
System Software
1 705 (9.97%) Docker
2 28 (0.40%) HDFS
3 20 (0.28%) Active Directory
4 17 (0.24%) Apache Flume
5 14 (0.20%) Apache ZooKeeper
6 9 (0.13%) VMware Infrastructure
7 4 (0.057%) Hyper-V
7 4 (0.057%) Virtual Machines
7 4 (0.057%) VirtualBox
8 3 (0.042%) Firmware
9 2 (0.028%) Cygwin
9 2 (0.028%) KVM
9 2 (0.028%) NFS
9 2 (0.028%) Samba
9 2 (0.028%) Tivoli Workload Scheduler
9 2 (0.028%) VMware ESXi
9 2 (0.028%) VMware NSX
9 2 (0.028%) vSphere
Systems Management
1 222 (3.14%) Puppet
2 203 (2.87%) Ansible
3 200 (2.83%) Kubernetes
4 131 (1.85%) Opscode Chef
5 108 (1.53%) Terraform
6 42 (0.59%) Kibana
7 24 (0.34%) logstash
8 18 (0.25%) Packer
8 18 (0.25%) Salt
9 16 (0.23%) HP Quality Center
9 16 (0.23%) Mesos
10 15 (0.21%) Nagios
11 14 (0.20%) Business Desktop Deployment
12 12 (0.17%) HockeyApp
13 9 (0.13%) ZABBIX
14 8 (0.11%) Hadoop YARN
14 8 (0.11%) Single Sign-On
15 7 (0.099%) WSUS
16 6 (0.085%) Control-M
16 6 (0.085%) ITRS Geneos
Vendors
1 607 (8.59%) Microsoft
2 426 (6.03%) Google
3 316 (4.47%) Oracle
4 212 (3.00%) Facebook
5 94 (1.33%) Sitecore
6 80 (1.13%) Zend
7 78 (1.10%) IBM
8 77 (1.09%) Apple
9 64 (0.91%) Splunk
10 56 (0.79%) Sony
11 50 (0.71%) Yahoo!
12 48 (0.68%) Twitter
13 47 (0.66%) Atlassian
14 45 (0.64%) Xamarin
15 44 (0.62%) New Relic
16 40 (0.57%) AppDynamics
17 36 (0.51%) Salesforce.com
18 33 (0.47%) SAP
19 32 (0.45%) Alterian
19 32 (0.45%) Cadence