Period
to 21 November 2017

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 21 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > London
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 18 18 20
Rank change year-on-year 0 +2 +2
Permanent jobs citing TDD 7642 7753 8318
As % of all permanent IT jobs advertised in London 10.12% 10.24% 9.40%
As % of the Processes & Methodologies category 11.04% 11.30% 10.49%
Number of salaries quoted 6416 7101 7427
London median annual salary £61,500 £60,000 £57,500
Median salary % change year-on-year +2.50% +4.35% +4.55%
10th Percentile £37,750 £37,500 £36,250
90th Percentile £86,250 £85,000 £82,500
England median annual salary £52,500 £52,500 £50,000
% change year-on-year - +5.00% -

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 69206 68595 79293
As % of all permanent IT jobs advertised in London 91.60% 90.64% 89.56%
Number of salaries quoted 53267 59094 66809
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% -
10th Percentile £35,000 £33,750 £33,000
90th Percentile £90,000 £88,750 £86,250
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 21 November 2017.

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 21 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +1 1492 £62,500 +4.17% 185
West London 0 300 £55,000 -4.35% 50
South London +29 171 £55,000 +10.00% 11
East London -23 42 £52,000 -20.00% 16
North London -16 26 £45,000 +4.65% 8
TDD
England

For the 6 months to 21 November 2017, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for TDD.

1 6236 (81.60%) Agile Software Development
2 3389 (44.35%) BDD
3 3003 (39.30%) Java
4 2950 (38.60%) JavaScript
5 2828 (37.01%) C#
6 2600 (34.02%) .NET
7 2515 (32.91%) Scrum
8 2059 (26.94%) MVC
9 1932 (25.28%) Continuous Integration
10 1900 (24.86%) Finance
11 1876 (24.55%) SQL Server
12 1835 (24.01%) HTML
13 1747 (22.86%) AngularJS
14 1658 (21.70%) CSS
15 1650 (21.59%) SQL
16 1496 (19.58%) ASP.NET
17 1479 (19.35%) Git (software)
18 1394 (18.24%) Software Engineering
19 1299 (17.00%) OO
20 1283 (16.79%) Node.js
21 1280 (16.75%) Microservices
21 1280 (16.75%) ASP.NET MVC
22 1203 (15.74%) RESTful
23 1180 (15.44%) Amazon AWS
24 1167 (15.27%) REST
25 1166 (15.26%) Test Automation
26 1119 (14.64%) Kanban
27 1096 (14.34%) Spring
28 1085 (14.20%) React
29 1064 (13.92%) DevOps

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
1 380 (4.97%) Elasticsearch
2 276 (3.61%) CMS
3 234 (3.06%) Apache
4 219 (2.87%) Apache Spark
5 185 (2.42%) Confluence
5 185 (2.42%) Tomcat
6 126 (1.65%) WebSphere
7 116 (1.52%) Apache Solr
8 105 (1.37%) Umbraco
9 83 (1.09%) Sitecore CMS
10 81 (1.06%) OpenStack
11 75 (0.98%) SharePoint
12 70 (0.92%) EPiServer
13 63 (0.82%) JBoss
14 56 (0.73%) nginx
15 50 (0.65%) IIS
16 45 (0.59%) Drupal
17 38 (0.50%) CoreMedia CMS
17 38 (0.50%) WebLogic
18 37 (0.48%) NServiceBus
Applications
1 39 (0.51%) Microsoft Excel
2 22 (0.29%) Microsoft Project
3 21 (0.27%) Photoshop
4 13 (0.17%) Microsoft Office
5 8 (0.10%) Microsoft PowerPoint
5 8 (0.10%) MS Visio
6 4 (0.052%) Adobe Illustrator
7 3 (0.039%) Autodesk Inventor
7 3 (0.039%) Siemens NX
7 3 (0.039%) Solid Edge
8 2 (0.026%) Adobe Creative Suite
8 2 (0.026%) InDesign
9 1 (0.013%) Acrobat
9 1 (0.013%) AutoCAD
9 1 (0.013%) Chatbot
9 1 (0.013%) Fireworks
9 1 (0.013%) GIMP
9 1 (0.013%) Spreadsheet
Business Applications
1 42 (0.55%) Dynamics CRM
2 37 (0.48%) Payment Gateway
3 36 (0.47%) Magento
4 19 (0.25%) Eloqua
5 15 (0.20%) MetaTrader
6 10 (0.13%) Adobe Campaign
7 9 (0.12%) SAP Hybris
8 7 (0.092%) RMDS
9 4 (0.052%) Oracle EBS
10 3 (0.039%) Summit
10 3 (0.039%) Visualfiles
11 2 (0.026%) Advent Geneva
11 2 (0.026%) Front Arena
11 2 (0.026%) Oracle BPM
11 2 (0.026%) R3 Corda
11 2 (0.026%) Salesforce.com CRM
11 2 (0.026%) Sentinel
11 2 (0.026%) WebTrends
12 1 (0.013%) Oracle CRM On Demand
12 1 (0.013%) Oracle Retail
Cloud Services
1 1180 (15.44%) Amazon AWS
2 710 (9.29%) Microsoft Azure
3 241 (3.15%) GitHub
4 212 (2.77%) SaaS
5 152 (1.99%) PaaS
6 126 (1.65%) Google Cloud Platform
7 121 (1.58%) Serverless
8 107 (1.40%) npm
9 87 (1.14%) IaaS
10 70 (0.92%) Amazon S3
11 68 (0.89%) Cloud Computing
12 66 (0.86%) Amazon EC2
12 66 (0.86%) AWS Lambda
13 65 (0.85%) Google Play
14 58 (0.76%) AWS CloudFormation
15 43 (0.56%) Azure Active Directory
16 25 (0.33%) Amazon SQS
17 23 (0.30%) Heroku
18 22 (0.29%) Amazon CloudWatch
18 22 (0.29%) Office 365
Communications & Networking
1 303 (3.96%) Internet
2 161 (2.11%) HTTP
3 42 (0.55%) DNS
4 41 (0.54%) Firewall
5 37 (0.48%) Hyperconnected
5 37 (0.48%) VPN
6 34 (0.44%) Broadband
7 31 (0.41%) WAN
8 27 (0.35%) DHCP
9 26 (0.34%) DMZ
10 24 (0.31%) ATM
10 24 (0.31%) Intranet
11 17 (0.22%) Skype
12 12 (0.16%) AMQP
13 11 (0.14%) TCP/IP
14 10 (0.13%) SSL
15 9 (0.12%) Kerberos
16 6 (0.079%) Extranet
17 5 (0.065%) 3G
17 5 (0.065%) PPP
Database & Business Intelligence
1 1876 (24.55%) SQL Server
2 1042 (13.64%) NoSQL
3 674 (8.82%) SQL Server 2014
4 610 (7.98%) MySQL
5 581 (7.60%) MongoDB
6 381 (4.99%) Big Data
7 335 (4.38%) Relational Database
8 228 (2.98%) Redis
9 219 (2.87%) PostgreSQL
10 215 (2.81%) Hadoop
11 210 (2.75%) Apache Cassandra
12 155 (2.03%) Amazon DynamoDB
13 122 (1.60%) RDBMS
14 97 (1.27%) SQL Server Integration Services
15 94 (1.23%) Blockchain
16 86 (1.13%) SQL Server 2016
17 80 (1.05%) Data Warehouse
18 78 (1.02%) SQL Server 2008
19 72 (0.94%) Oracle Database
20 67 (0.88%) SQL Server 2012
Development Applications
1 1479 (19.35%) Git (software)
2 865 (11.32%) Jenkins
3 688 (9.00%) NUnit
4 591 (7.73%) JIRA
5 536 (7.01%) Rhino Mocks
6 512 (6.70%) Selenium
7 482 (6.31%) Cucumber
8 444 (5.81%) TeamCity
9 427 (5.59%) JUnit
10 377 (4.93%) Maven
11 351 (4.59%) Moq
12 333 (4.36%) Subversion
13 225 (2.94%) Visual Studio
14 202 (2.64%) gulp
15 200 (2.62%) Atlassian Bamboo
16 199 (2.60%) Gradle
17 195 (2.55%) Grunt
18 190 (2.49%) WebDriver
19 188 (2.46%) Jasmine
20 181 (2.37%) webpack
General
1 1900 (24.86%) Finance
2 831 (10.87%) Banking
3 615 (8.05%) Games
4 510 (6.67%) Retail
5 454 (5.94%) Investment Banking
6 394 (5.16%) Marketing
7 310 (4.06%) Retail Banking
8 232 (3.04%) Advertising
9 196 (2.56%) Telecoms
10 182 (2.38%) Front Office
11 92 (1.20%) Financial Institution
11 92 (1.20%) Law
12 90 (1.18%) Publishing
13 58 (0.76%) Online Betting
14 53 (0.69%) Back Office
15 47 (0.62%) Manufacturing
16 45 (0.59%) Music Industry
17 38 (0.50%) Electronics
18 30 (0.39%) Legal
19 14 (0.18%) Automotive
Job Titles
1 5404 (70.71%) Developer
2 1538 (20.13%) .NET Developer
3 1394 (18.24%) Java Developer
4 1363 (17.84%) C# Developer
5 1121 (14.67%) Senior Developer
6 903 (11.82%) C# .NET Developer
7 566 (7.41%) Software Engineer
8 494 (6.46%) Agile Developer
9 492 (6.44%) JavaScript Developer
10 462 (6.05%) ASP.NET Developer
11 454 (5.94%) C# ASP.NET Developer
12 411 (5.38%) Full Stack Developer
13 392 (5.13%) ASP.NET MVC Developer
14 348 (4.55%) Java Engineer
15 345 (4.51%) Senior Java Developer
16 334 (4.37%) Lead Developer
17 323 (4.23%) Front End Developer (Client-Side Developer)
18 262 (3.43%) Agile C# Developer
19 254 (3.32%) Python Developer
20 239 (3.13%) Software Developer
Libraries, Frameworks & Software Standards
1 2600 (34.02%) .NET
2 1835 (24.01%) HTML
3 1747 (22.86%) AngularJS
4 1658 (21.70%) CSS
5 1496 (19.58%) ASP.NET
6 1283 (16.79%) Node.js
7 1280 (16.75%) ASP.NET MVC
8 1203 (15.74%) RESTful
9 1167 (15.27%) REST
10 1096 (14.34%) Spring
11 1085 (14.20%) React
12 1016 (13.29%) HTML5
13 952 (12.46%) Web Services
14 922 (12.06%) WCF
15 835 (10.93%) ASP.NET Web API
16 806 (10.55%) ASP.NET MVC 5
17 698 (9.13%) jQuery
18 661 (8.65%) WPF
19 585 (7.66%) CSS3
20 577 (7.55%) .NET Framework
Miscellaneous
1 872 (11.41%) Greenfield Project
2 640 (8.37%) Computer Science
3 624 (8.17%) Fintech
4 542 (7.09%) User Experience
5 359 (4.70%) Mobile App
6 357 (4.67%) Enterprise Software
7 216 (2.83%) Algorithms
8 196 (2.56%) Derivative
9 187 (2.45%) Analytical Skills
10 155 (2.03%) Client/Server
11 147 (1.92%) Foreign Exchange (FX)
12 130 (1.70%) Hedge funds
13 125 (1.64%) Data Structures
14 117 (1.53%) Equity Derivative
15 106 (1.39%) Credit Risk
16 99 (1.30%) Social Network
16 99 (1.30%) Tandem
17 80 (1.05%) Online Games
18 75 (0.98%) Social Media
19 73 (0.96%) iPad
Operating Systems
1 728 (9.53%) Linux
2 484 (6.33%) Windows
3 451 (5.90%) Android
4 385 (5.04%) Apple iOS
5 257 (3.36%) Unix
6 30 (0.39%) Mac OS X
7 19 (0.25%) HPUX
7 19 (0.25%) Solaris
8 16 (0.21%) Ubuntu
9 10 (0.13%) CentOS
10 8 (0.10%) MVS
11 7 (0.092%) Mac OS
12 6 (0.079%) Nucleus RTOS
12 6 (0.079%) Red Hat Enterprise Linux
12 6 (0.079%) Windows Phone
13 4 (0.052%) Debian
13 4 (0.052%) Windows 7
13 4 (0.052%) Windows 8
14 3 (0.039%) Fedora
14 3 (0.039%) Oracle Linux
Processes & Methodologies
1 6236 (81.60%) Agile Software Development
2 3389 (44.35%) BDD
3 2515 (32.91%) Scrum
4 2059 (26.94%) MVC
5 1932 (25.28%) Continuous Integration
6 1394 (18.24%) Software Engineering
7 1299 (17.00%) OO
8 1280 (16.75%) Microservices
9 1166 (15.26%) Test Automation
10 1119 (14.64%) Kanban
11 1064 (13.92%) DevOps
12 872 (11.41%) E-Commerce
13 806 (10.55%) Web Application Development
14 684 (8.95%) Pair Programming
15 649 (8.49%) Unit Testing
16 581 (7.60%) Mentoring
17 577 (7.55%) Front End Development
18 566 (7.41%) SOLID
19 543 (7.11%) Multithreading
20 519 (6.79%) Open Source
Programming Languages
1 3003 (39.30%) Java
2 2950 (38.60%) JavaScript
3 2828 (37.01%) C#
4 1650 (21.59%) SQL
5 882 (11.54%) Python
6 659 (8.62%) Ruby
7 571 (7.47%) Scala
8 505 (6.61%) PHP
9 348 (4.55%) ES6
10 312 (4.08%) T-SQL
11 285 (3.73%) C++
12 215 (2.81%) Go
13 204 (2.67%) TypeScript
14 188 (2.46%) Objective-C
15 178 (2.33%) Apple Swift
16 147 (1.92%) PowerShell
17 137 (1.79%) Groovy
18 115 (1.50%) Bash Shell
18 115 (1.50%) C
19 94 (1.23%) VB.NET
Qualifications
1 842 (11.02%) Degree
2 347 (4.54%) Computer Science Degree
3 100 (1.31%) Security Cleared
4 41 (0.54%) Master's Degree
4 41 (0.54%) PhD
4 41 (0.54%) SC Cleared
5 38 (0.50%) ISTQB
6 34 (0.44%) Microsoft Certification
7 22 (0.29%) MCSD
8 20 (0.26%) MCAD
9 19 (0.25%) MCTS
10 18 (0.24%) MCP
11 17 (0.22%) DV Cleared
11 17 (0.22%) ISEB
12 14 (0.18%) AWS Certification
12 14 (0.18%) PMI Certification
13 13 (0.17%) CTC Cleared
14 11 (0.14%) PMP
15 10 (0.13%) APMG
16 8 (0.10%) BPSS Clearance
Quality Assurance & Compliance
1 646 (8.45%) QA
2 27 (0.35%) GCP
3 17 (0.22%) PCI DSS
4 14 (0.18%) Data Quality
5 13 (0.17%) WCAG
6 9 (0.12%) MiFID
7 8 (0.10%) Basel III
8 7 (0.092%) EMIR
9 6 (0.079%) GDPR
9 6 (0.079%) SEPA
10 4 (0.052%) Dodd-Frank
11 3 (0.039%) COBIT
11 3 (0.039%) PMO
11 3 (0.039%) PSD2
12 2 (0.026%) ISO 20022
12 2 (0.026%) ISO 8583
12 2 (0.026%) ISO/IEC 27001
12 2 (0.026%) Sarbanes-Oxley
13 1 (0.013%) SLA
13 1 (0.013%) WAI
System Software
1 655 (8.57%) Docker
2 35 (0.46%) Active Directory
2 35 (0.46%) HDFS
3 16 (0.21%) Apache ZooKeeper
4 8 (0.10%) VirtualBox
5 6 (0.079%) Apache Flume
5 6 (0.079%) Varnish
5 6 (0.079%) VMware Infrastructure
6 3 (0.039%) Cygwin
6 3 (0.039%) vSphere
7 2 (0.026%) Firmware
7 2 (0.026%) KVM
7 2 (0.026%) NFS
7 2 (0.026%) Samba
7 2 (0.026%) Tivoli Workload Scheduler
7 2 (0.026%) Virtual Machines
7 2 (0.026%) VMware ESXi
7 2 (0.026%) VMware NSX
8 1 (0.013%) etcd
Systems Management
1 256 (3.35%) Puppet
2 222 (2.90%) Kubernetes
3 175 (2.29%) Ansible
4 144 (1.88%) Opscode Chef
5 82 (1.07%) Terraform
6 64 (0.84%) Kibana
7 50 (0.65%) logstash
8 26 (0.34%) Packer
9 25 (0.33%) Salt
10 20 (0.26%) Mesos
11 16 (0.21%) Nagios
12 15 (0.20%) Business Desktop Deployment
13 11 (0.14%) Control-M
14 10 (0.13%) WSUS
15 8 (0.10%) ITRS Geneos
15 8 (0.10%) ZABBIX
16 7 (0.092%) Capistrano
17 5 (0.065%) Grafana
17 5 (0.065%) HP Quality Center
18 4 (0.052%) Consul
Vendors
1 634 (8.30%) Microsoft
2 416 (5.44%) Oracle
3 404 (5.29%) Google
4 194 (2.54%) Facebook
5 116 (1.52%) Sitecore
6 78 (1.02%) Apple
6 78 (1.02%) IBM
7 77 (1.01%) hybris
8 70 (0.92%) Splunk
9 67 (0.88%) Zend
10 59 (0.77%) Xamarin
11 49 (0.64%) Atlassian
11 49 (0.64%) SAP
12 47 (0.62%) Adobe
13 43 (0.56%) Twitter
14 42 (0.55%) Sony
15 41 (0.54%) Cadence
16 40 (0.52%) Yahoo!
17 35 (0.46%) AppDynamics
18 34 (0.44%) New Relic