Period
to 19 July 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 19 July 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > London
6 months to
19 Jul 2018
Same period 2017 Same period 2016
Rank 22 18 16
Rank change year-on-year -4 -2 +4
Permanent jobs citing TDD 6,885 7,820 8,823
As % of all permanent IT jobs advertised in London 9.72% 10.67% 10.63%
As % of the Processes & Methodologies category 10.63% 11.62% 11.62%
Number of salaries quoted 5,631 6,745 7,968
London median annual salary £65,000 £62,500 £60,000
Median salary % change year-on-year +4.00% +4.17% +9.09%
10th Percentile £38,758 £38,750 £37,500
90th Percentile £92,500 £85,000 £85,000
England median annual salary £52,500 £52,500 £52,000
% change year-on-year - +0.96% +4.00%

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 64,761 67,283 75,897
As % of all permanent IT jobs advertised in London 91.38% 91.79% 91.40%
Number of salaries quoted 51,800 53,565 65,381
London median annual salary £60,000 £60,000 £57,500
Median salary % change year-on-year - +4.35% +4.55%
10th Percentile £35,000 £35,000 £33,250
90th Percentile £95,000 £90,000 £87,500
England median annual salary £50,000 £50,000 £50,000

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 19 July 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 19 July 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 -4 1,320 £67,500 +8.00% 314
West London -20 203 £60,000 +4.35% 166
South London -20 104 £57,500 +4.55% 25
East London +25 103 £58,500 -2.50% 55
North London +16 30 £60,000 +26.32% 12
TDD
England

For the 6 months to 19 July 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 5,276 (76.63%) Agile Software Development
2 2,982 (43.31%) BDD
3 2,785 (40.45%) Java
4 2,532 (36.78%) C#
5 2,519 (36.59%) JavaScript
6 2,415 (35.08%) .NET
7 2,024 (29.40%) Scrum
8 1,908 (27.71%) Finance
9 1,723 (25.03%) SQL Server
10 1,716 (24.92%) SQL
11 1,705 (24.76%) Continuous Integration
12 1,674 (24.31%) MVC
13 1,645 (23.89%) AngularJS
14 1,621 (23.54%) HTML
15 1,550 (22.51%) CSS
16 1,471 (21.37%) Microservices
17 1,467 (21.31%) Git (software)
18 1,418 (20.60%) Amazon AWS
19 1,390 (20.19%) RESTful
20 1,299 (18.87%) Software Engineering
21 1,295 (18.81%) ASP.NET
22 1,235 (17.94%) DevOps
23 1,230 (17.86%) Node.js
24 1,228 (17.84%) Test Automation
25 1,068 (15.51%) React
26 1,048 (15.22%) REST
27 1,046 (15.19%) Spring
28 1,041 (15.12%) NoSQL
29 1,030 (14.96%) ASP.NET MVC
30 999 (14.51%) Kanban

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
1 254 (3.69%) Elasticsearch
2 244 (3.54%) Apache Spark
3 243 (3.53%) CMS
4 161 (2.34%) Confluence
5 160 (2.32%) Tomcat
6 129 (1.87%) EPiServer
7 110 (1.60%) Apache
8 91 (1.32%) Sitecore CMS
9 78 (1.13%) Cloud Foundry
10 71 (1.03%) JBoss
10 71 (1.03%) WebSphere
11 58 (0.84%) IIS
12 57 (0.83%) Mule
12 57 (0.83%) SharePoint
13 54 (0.78%) nginx
14 53 (0.77%) Umbraco
15 47 (0.68%) OpenStack
16 41 (0.60%) Ethereum
16 41 (0.60%) NServiceBus
16 41 (0.60%) WebLogic
Applications
1 67 (0.97%) Microsoft Excel
2 16 (0.23%) Spreadsheet
3 13 (0.19%) Microsoft Project
3 13 (0.19%) Photoshop
4 7 (0.10%) Chatbot
5 6 (0.087%) Adobe Premiere
6 5 (0.073%) Adobe Illustrator
7 4 (0.058%) GIMP
8 3 (0.044%) LibreOffice
9 2 (0.029%) Microsoft Office
10 1 (0.015%) Fireworks
10 1 (0.015%) MS Visio
Business Applications
1 42 (0.61%) Eloqua
2 36 (0.52%) Dynamics CRM
3 33 (0.48%) thinkFolio
4 29 (0.42%) Magento
5 28 (0.41%) Distributed Ledger
5 28 (0.41%) Eagle PACE
5 28 (0.41%) Front Arena
5 28 (0.41%) Markit EDM
6 27 (0.39%) Payment Gateway
7 15 (0.22%) Bloomberg AIM
7 15 (0.22%) Dynamics AX
7 15 (0.22%) Dynamics NAV
8 10 (0.15%) SAP Hybris
9 5 (0.073%) LatentZero
9 5 (0.073%) Oracle Retail
10 4 (0.058%) Oracle EBS
11 3 (0.044%) Endur
11 3 (0.044%) FastStats
12 2 (0.029%) RMDS
13 1 (0.015%) Temenos T24
Cloud Services
1 1,418 (20.60%) Amazon AWS
2 924 (13.42%) Microsoft Azure
3 263 (3.82%) GitHub
4 207 (3.01%) npm
5 194 (2.82%) Serverless
6 190 (2.76%) Google Cloud Platform
7 147 (2.14%) PaaS
8 142 (2.06%) SaaS
9 120 (1.74%) IaaS
10 116 (1.68%) Slack
11 94 (1.37%) Amazon EC2
11 94 (1.37%) Cloud Computing
12 89 (1.29%) AWS Lambda
13 70 (1.02%) Amazon S3
14 60 (0.87%) AWS CloudFormation
15 49 (0.71%) Azure Active Directory
16 37 (0.54%) Trello
17 34 (0.49%) Office 365
17 34 (0.49%) OpenShift
17 34 (0.49%) Yarn
Communications & Networking
1 198 (2.88%) Internet
2 171 (2.48%) HTTP
3 32 (0.46%) Broadband
4 30 (0.44%) Hyperconnected
5 26 (0.38%) DNS
6 13 (0.19%) FIX Connectivity
7 12 (0.17%) AMQP
7 12 (0.17%) Value-Added Service
8 10 (0.15%) Intranet
8 10 (0.15%) SMTP
8 10 (0.15%) SSL
9 9 (0.13%) TCP/IP
10 6 (0.087%) SSH
10 6 (0.087%) Unified Communications
10 6 (0.087%) VPN
11 5 (0.073%) DAB
11 5 (0.073%) DHCP
11 5 (0.073%) DMZ
11 5 (0.073%) Firewall
12 3 (0.044%) PPP
Database & Business Intelligence
1 1,723 (25.03%) SQL Server
2 1,041 (15.12%) NoSQL
3 595 (8.64%) SQL Server 2016
4 525 (7.63%) MongoDB
5 443 (6.43%) Big Data
6 387 (5.62%) MySQL
7 348 (5.05%) PostgreSQL
8 336 (4.88%) Relational Database
9 218 (3.17%) Blockchain
10 215 (3.12%) Hadoop
11 178 (2.59%) Redis
12 151 (2.19%) Apache Cassandra
13 137 (1.99%) SQL Server 2014
14 106 (1.54%) Couchbase
15 92 (1.34%) SQL Server Integration Services
16 89 (1.29%) SQL Server 2012
17 88 (1.28%) Amazon DynamoDB
18 86 (1.25%) RDBMS
19 76 (1.10%) Azure SQL Database
19 76 (1.10%) Data Warehouse
Development Applications
1 1,467 (21.31%) Git (software)
2 794 (11.53%) Jenkins
3 688 (9.99%) Selenium
4 454 (6.59%) JIRA
4 454 (6.59%) Maven
5 440 (6.39%) NUnit
6 419 (6.09%) TeamCity
7 417 (6.06%) Cucumber
8 394 (5.72%) JUnit
9 327 (4.75%) Team Foundation Server
10 273 (3.97%) gulp
11 256 (3.72%) Mocha
12 247 (3.59%) webpack
13 241 (3.50%) Gradle
14 238 (3.46%) Octopus Deploy
15 223 (3.24%) Rhino Mocks
16 216 (3.14%) Moq
16 216 (3.14%) Visual Studio
17 207 (3.01%) Subversion
18 177 (2.57%) Grunt
General
1 1,908 (27.71%) Finance
2 795 (11.55%) Banking
3 560 (8.13%) Games
4 400 (5.81%) Retail
5 318 (4.62%) Investment Banking
6 262 (3.81%) Financial Institution
7 224 (3.25%) Advertising
8 210 (3.05%) Marketing
9 175 (2.54%) Front Office
10 152 (2.21%) Telecoms
11 98 (1.42%) Publishing
12 97 (1.41%) Law
13 51 (0.74%) Legal
14 44 (0.64%) Back Office
15 31 (0.45%) Music Industry
16 28 (0.41%) Manufacturing
17 27 (0.39%) Online Betting
17 27 (0.39%) Pharmaceutical
18 25 (0.36%) Automotive
19 21 (0.31%) Multimedia
Job Titles
1 4,830 (70.15%) Developer
2 1,408 (20.45%) .NET Developer
3 1,335 (19.39%) Java Developer
4 1,224 (17.78%) C# Developer
5 1,019 (14.80%) Senior Developer
6 803 (11.66%) C# .NET Developer
7 549 (7.97%) Software Engineer
8 383 (5.56%) ASP.NET Developer
9 381 (5.53%) Senior Java Developer
10 364 (5.29%) C# ASP.NET Developer
11 338 (4.91%) Front End Developer (Client-Side Developer)
12 304 (4.42%) Agile Developer
13 303 (4.40%) Java Engineer
14 288 (4.18%) JavaScript Developer
15 273 (3.97%) ASP.NET MVC Developer
16 262 (3.81%) Lead Developer
17 252 (3.66%) Full Stack Developer
18 246 (3.57%) Software Developer
19 216 (3.14%) React Developer
20 212 (3.08%) Architect
Libraries, Frameworks & Software Standards
1 2,415 (35.08%) .NET
2 1,645 (23.89%) AngularJS
3 1,621 (23.54%) HTML
4 1,550 (22.51%) CSS
5 1,390 (20.19%) RESTful
6 1,295 (18.81%) ASP.NET
7 1,230 (17.86%) Node.js
8 1,068 (15.51%) React
9 1,048 (15.22%) REST
10 1,046 (15.19%) Spring
11 1,030 (14.96%) ASP.NET MVC
12 983 (14.28%) Web Services
13 873 (12.68%) ASP.NET Web API
14 771 (11.20%) HTML5
15 758 (11.01%) WCF
16 595 (8.64%) .NET Framework
17 515 (7.48%) ASP.NET MVC 5
17 515 (7.48%) CSS3
18 507 (7.36%) jQuery
19 455 (6.61%) WPF
Miscellaneous
1 805 (11.69%) Greenfield Project
2 692 (10.05%) Fintech
3 583 (8.47%) User Experience
4 446 (6.48%) Computer Science
5 394 (5.72%) Mobile App
6 385 (5.59%) Analytical Skills
7 239 (3.47%) Enterprise Software
8 210 (3.05%) Algorithms
9 199 (2.89%) Cyberthreat
10 198 (2.88%) Self-Motivation
11 167 (2.43%) Equities
12 165 (2.40%) Data Structures
13 159 (2.31%) Hedge funds
14 133 (1.93%) Fixed Income
15 116 (1.68%) Foreign Exchange (FX)
16 106 (1.54%) Derivative
17 87 (1.26%) Cloud Native
18 81 (1.18%) Linux Command Line
19 77 (1.12%) Online Games
19 77 (1.12%) Tandem
Operating Systems
1 698 (10.14%) Linux
2 364 (5.29%) Windows
3 299 (4.34%) Android
4 259 (3.76%) Apple iOS
5 224 (3.25%) Unix
6 26 (0.38%) Nucleus RTOS
7 24 (0.35%) Ubuntu
8 18 (0.26%) VMS
8 18 (0.26%) Windows Phone
9 15 (0.22%) openSUSE
10 11 (0.16%) Amazon Linux
10 11 (0.16%) CentOS
10 11 (0.16%) Red Hat Enterprise Linux
11 10 (0.15%) Solaris
12 9 (0.13%) Windows Server
13 7 (0.10%) Debian
13 7 (0.10%) Mac OS
14 5 (0.073%) CoreOS
14 5 (0.073%) MVS
15 3 (0.044%) Mac OS X
Processes & Methodologies
1 5,276 (76.63%) Agile Software Development
2 2,982 (43.31%) BDD
3 2,024 (29.40%) Scrum
4 1,705 (24.76%) Continuous Integration
5 1,674 (24.31%) MVC
6 1,471 (21.37%) Microservices
7 1,299 (18.87%) Software Engineering
8 1,235 (17.94%) DevOps
9 1,228 (17.84%) Test Automation
10 999 (14.51%) Kanban
11 950 (13.80%) OO
12 836 (12.14%) Problem-Solving
13 744 (10.81%) Web Application Development
14 625 (9.08%) Pair Programming
15 595 (8.64%) Continuous Delivery
16 594 (8.63%) SOLID
17 573 (8.32%) Unit Testing
18 555 (8.06%) Web Development
19 551 (8.00%) Mentoring
20 529 (7.68%) E-Commerce
Programming Languages
1 2,785 (40.45%) Java
2 2,532 (36.78%) C#
3 2,519 (36.59%) JavaScript
4 1,716 (24.92%) SQL
5 882 (12.81%) Java 8
6 829 (12.04%) Python
7 711 (10.33%) Ruby
8 599 (8.70%) Scala
9 414 (6.01%) PHP
10 301 (4.37%) C++
11 292 (4.24%) T-SQL
12 275 (3.99%) ES6
13 226 (3.28%) TypeScript
14 141 (2.05%) Groovy
15 139 (2.02%) Go
16 128 (1.86%) Apple Swift
17 113 (1.64%) C
18 105 (1.53%) Kotlin
19 104 (1.51%) Bash Shell
20 101 (1.47%) Shell Script
Qualifications
1 750 (10.89%) Degree
2 239 (3.47%) Computer Science Degree
3 82 (1.19%) Security Cleared
4 48 (0.70%) SC Cleared
5 45 (0.65%) SAFe Agilist
6 38 (0.55%) Master's Degree
7 34 (0.49%) AWS Certification
8 29 (0.42%) ISTQB
9 25 (0.36%) DV Cleared
10 24 (0.35%) Numerate Degree
11 19 (0.28%) Microsoft Certification
12 17 (0.25%) ISEB
12 17 (0.25%) ISTQB Foundation Certification
13 13 (0.19%) MCTS
14 12 (0.17%) PhD
15 8 (0.12%) APMG
15 8 (0.12%) MCPD
15 8 (0.12%) PMI Certification
15 8 (0.12%) PMP
16 6 (0.087%) GSEC
Quality Assurance & Compliance
1 633 (9.19%) QA
2 61 (0.89%) GCP
3 27 (0.39%) WCAG
4 15 (0.22%) PCI DSS
5 11 (0.16%) PSD2
6 8 (0.12%) Data Quality
7 7 (0.10%) PMO
7 7 (0.10%) SLA
8 5 (0.073%) ISO/IEC 27001
9 3 (0.044%) GDPR
10 2 (0.029%) Disclosure Scotland
10 2 (0.029%) Dodd-Frank
10 2 (0.029%) EMIR
10 2 (0.029%) MiFID
10 2 (0.029%) SEPA
System Software
1 872 (12.67%) Docker
2 47 (0.68%) Active Directory
3 34 (0.49%) HDFS
4 18 (0.26%) VMware Infrastructure
5 13 (0.19%) Virtual Machines
6 10 (0.15%) Apache Flume
7 8 (0.12%) Apache ZooKeeper
8 7 (0.10%) vSphere
9 6 (0.087%) iptables
9 6 (0.087%) VMware ESXi
9 6 (0.087%) VMware Server
10 5 (0.073%) Hyper-V
11 4 (0.058%) Varnish
11 4 (0.058%) VirtualBox
12 1 (0.015%) Oracle RAC
12 1 (0.015%) Virtual Servers
12 1 (0.015%) zsh
Systems Management
1 269 (3.91%) Kubernetes
2 234 (3.40%) Ansible
3 174 (2.53%) Puppet
4 160 (2.32%) Terraform
5 149 (2.16%) Opscode Chef
6 41 (0.60%) Mesos
7 38 (0.55%) Kibana
8 33 (0.48%) Salt
9 13 (0.19%) Grafana
9 13 (0.19%) HockeyApp
9 13 (0.19%) HP Quality Center
9 13 (0.19%) logstash
10 11 (0.16%) Prometheus
11 10 (0.15%) Nagios
11 10 (0.15%) Single Sign-On
12 9 (0.13%) Rancher
13 8 (0.12%) HAProxy
14 7 (0.10%) ITRS Geneos
15 6 (0.087%) CFEngine
15 6 (0.087%) Cobbler
Vendors
1 596 (8.66%) Microsoft
2 392 (5.69%) Google
3 336 (4.88%) Oracle
4 122 (1.77%) Facebook
5 101 (1.47%) Sitecore
6 96 (1.39%) Sybase
7 81 (1.18%) Apple
8 76 (1.10%) Splunk
9 74 (1.07%) Tableau
10 61 (0.89%) AppDynamics
11 55 (0.80%) hybris
11 55 (0.80%) Xamarin
12 52 (0.76%) Atlassian
13 51 (0.74%) Capita
14 47 (0.68%) IBM
15 42 (0.61%) SAP
16 41 (0.60%) Marketo
17 40 (0.58%) Adobe
18 39 (0.57%) Charles River
18 39 (0.57%) Salesforce.com