Period
to 26 September 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 26 September 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > London
6 months to
26 Sep 2018
Same period 2017 Same period 2016
Rank 23 19 17
Rank change year-on-year -4 -2 +4
Permanent jobs citing TDD 6,490 7,733 8,362
As % of all permanent IT jobs advertised in London 9.44% 10.26% 10.67%
As % of the Processes & Methodologies category 10.29% 11.05% 11.58%
Number of salaries quoted 5,292 6,470 7,628
London median annual salary £65,000 £62,500 £60,000
Median salary % change year-on-year +4.00% +4.17% +4.35%
10th Percentile £38,750 £38,750 £38,525
90th Percentile £95,000 £86,250 £85,000
England median annual salary £55,000 £52,500 £52,500
% change year-on-year +4.76% - +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 63,073 69,966 72,199
As % of all permanent IT jobs advertised in London 91.73% 92.79% 92.15%
Number of salaries quoted 50,474 53,535 62,509
London median annual salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.17% +4.35% +4.55%
10th Percentile £35,000 £35,000 £33,548
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 26 September 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 26 September 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 -5 1,372 £70,000 +12.00% 350
West London -18 190 £62,500 +13.64% 159
East London +29 102 £62,500 +16.28% 56
South London -21 88 £56,250 +2.27% 26
North London +22 28 £60,000 +14.29% 7
TDD
England

For the 6 months to 26 September 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 4,886 (75.29%) Agile Software Development
2 2,796 (43.08%) BDD
3 2,554 (39.35%) Java
4 2,411 (37.15%) C#
5 2,384 (36.73%) JavaScript
6 2,249 (34.65%) .NET
7 1,827 (28.15%) Scrum
8 1,725 (26.58%) Finance
9 1,624 (25.02%) SQL
10 1,600 (24.65%) Continuous Integration
11 1,597 (24.61%) AngularJS
12 1,576 (24.28%) SQL Server
13 1,506 (23.20%) MVC
14 1,498 (23.08%) Microservices
15 1,396 (21.51%) Git (software)
16 1,385 (21.34%) HTML
17 1,348 (20.77%) Amazon AWS
18 1,330 (20.49%) RESTful
19 1,323 (20.39%) CSS
20 1,213 (18.69%) ASP.NET
21 1,143 (17.61%) Software Engineering
21 1,143 (17.61%) DevOps
22 1,121 (17.27%) Node.js
23 1,101 (16.96%) Test Automation
24 1,007 (15.52%) React
25 961 (14.81%) REST
26 959 (14.78%) Spring
27 945 (14.56%) Microsoft Azure
28 935 (14.41%) NoSQL
29 931 (14.35%) 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
1 247 (3.81%) CMS
2 218 (3.36%) Elasticsearch
3 192 (2.96%) Apache Spark
4 165 (2.54%) Confluence
5 152 (2.34%) EPiServer
6 112 (1.73%) Apache
7 107 (1.65%) Tomcat
8 84 (1.29%) Sitecore CMS
9 74 (1.14%) WebSphere
10 71 (1.09%) IIS
11 54 (0.83%) Cloud Foundry
12 50 (0.77%) WordPress
13 45 (0.69%) SharePoint
14 40 (0.62%) NServiceBus
15 39 (0.60%) Ethereum
15 39 (0.60%) JBoss
15 39 (0.60%) nginx
16 38 (0.59%) Umbraco
17 34 (0.52%) OpenStack
17 34 (0.52%) WebLogic
Applications
1 50 (0.77%) Microsoft Excel
2 19 (0.29%) Spreadsheet
3 12 (0.18%) Microsoft Project
4 8 (0.12%) Chatbot
5 7 (0.11%) Photoshop
6 5 (0.077%) Microsoft Office
7 4 (0.062%) Snapchat
8 3 (0.046%) LibreOffice
8 3 (0.046%) MS Visio
9 2 (0.031%) Adobe Illustrator
9 2 (0.031%) Adobe Premiere
9 2 (0.031%) Open Workbench
10 1 (0.015%) Fireworks
10 1 (0.015%) GIMP
10 1 (0.015%) InDesign
10 1 (0.015%) Maya
10 1 (0.015%) Microsoft PowerPoint
10 1 (0.015%) OmniGraffle
Business Applications
1 49 (0.76%) Eloqua
2 36 (0.55%) Payment Gateway
3 34 (0.52%) Dynamics CRM
4 33 (0.51%) Magento
4 33 (0.51%) thinkFolio
5 29 (0.45%) Markit EDM
6 28 (0.43%) Eagle PACE
6 28 (0.43%) Front Arena
7 18 (0.28%) Dynamics AX
8 16 (0.25%) Dynamics NAV
9 15 (0.23%) Bloomberg AIM
10 11 (0.17%) Distributed Ledger
11 10 (0.15%) SAP Hybris
12 7 (0.11%) FastStats
13 6 (0.092%) Oracle EBS
13 6 (0.092%) Oracle Retail
14 5 (0.077%) Adobe Campaign
14 5 (0.077%) LatentZero
15 4 (0.062%) SunGard GMI
16 3 (0.046%) Endur
Cloud Services
1 1,348 (20.77%) Amazon AWS
2 945 (14.56%) Microsoft Azure
3 231 (3.56%) Google Cloud Platform
4 213 (3.28%) npm
5 207 (3.19%) Serverless
6 206 (3.17%) GitHub
7 140 (2.16%) SaaS
8 112 (1.73%) PaaS
9 90 (1.39%) IaaS
10 85 (1.31%) AWS Lambda
11 75 (1.16%) Amazon EC2
12 59 (0.91%) Cloud Computing
12 59 (0.91%) Slack
13 57 (0.88%) Amazon S3
14 44 (0.68%) AWS CloudFormation
15 35 (0.54%) OpenShift
16 34 (0.52%) Yarn
17 33 (0.51%) Azure Active Directory
18 31 (0.48%) Amazon Kinesis
19 27 (0.42%) Heroku
Communications & Networking
1 180 (2.77%) Internet
2 135 (2.08%) HTTP
3 28 (0.43%) Broadband
4 27 (0.42%) Hyperconnected
5 21 (0.32%) DNS
6 15 (0.23%) AMQP
7 11 (0.17%) TCP/IP
8 10 (0.15%) Firewall
9 9 (0.14%) SSL
10 8 (0.12%) Unified Communications
11 7 (0.11%) Ethernet
12 6 (0.092%) DAB
12 6 (0.092%) VPN
13 5 (0.077%) DHCP
13 5 (0.077%) FIX Connectivity
14 4 (0.062%) Value-Added Service
14 4 (0.062%) Wi-Fi
15 3 (0.046%) ATM
15 3 (0.046%) SMTP
15 3 (0.046%) SSH
Database & Business Intelligence
1 1,576 (24.28%) SQL Server
2 935 (14.41%) NoSQL
3 688 (10.60%) SQL Server 2016
4 489 (7.53%) MongoDB
5 456 (7.03%) Big Data
6 337 (5.19%) MySQL
7 288 (4.44%) PostgreSQL
8 273 (4.21%) Relational Database
9 172 (2.65%) Blockchain
10 155 (2.39%) Hadoop
11 143 (2.20%) Redis
12 132 (2.03%) Apache Cassandra
13 102 (1.57%) SQL Server Integration Services
14 88 (1.36%) Couchbase
14 88 (1.36%) SQL Server 2012
15 85 (1.31%) Data Warehouse
16 77 (1.19%) RDBMS
17 70 (1.08%) Azure SQL Database
18 68 (1.05%) Amazon DynamoDB
19 66 (1.02%) SQL Server Reporting Services
Development Applications
1 1,396 (21.51%) Git (software)
2 764 (11.77%) Jenkins
3 662 (10.20%) Selenium
4 470 (7.24%) JIRA
5 463 (7.13%) TeamCity
6 384 (5.92%) Cucumber
7 373 (5.75%) Maven
8 344 (5.30%) JUnit
9 297 (4.58%) NUnit
10 292 (4.50%) Team Foundation Server
11 267 (4.11%) gulp
12 259 (3.99%) Mocha
13 238 (3.67%) Octopus Deploy
14 227 (3.50%) Visual Studio
15 208 (3.20%) webpack
16 193 (2.97%) Gradle
17 186 (2.87%) SpecFlow
18 176 (2.71%) WebDriver
19 174 (2.68%) Karma Test Runner
20 161 (2.48%) Grunt
General
1 1,725 (26.58%) Finance
2 709 (10.92%) Banking
3 537 (8.27%) Games
4 328 (5.05%) Retail
5 268 (4.13%) Investment Banking
6 235 (3.62%) Financial Institution
7 233 (3.59%) Advertising
8 188 (2.90%) Front Office
9 178 (2.74%) Marketing
10 111 (1.71%) Law
11 97 (1.49%) Telecoms
12 96 (1.48%) Publishing
13 44 (0.68%) Pharmaceutical
14 43 (0.66%) Back Office
14 43 (0.66%) Legal
15 40 (0.62%) Automotive
16 29 (0.45%) Multimedia
16 29 (0.45%) Music Industry
17 17 (0.26%) Manufacturing
18 12 (0.18%) Prime Brokerage
Job Titles
1 4,428 (68.23%) Developer
2 1,346 (20.74%) .NET Developer
3 1,229 (18.94%) Java Developer
4 1,085 (16.72%) C# Developer
5 1,000 (15.41%) Senior Developer
6 719 (11.08%) C# .NET Developer
7 522 (8.04%) Software Engineer
8 343 (5.29%) Senior Java Developer
9 319 (4.92%) ASP.NET Developer
10 302 (4.65%) Lead Developer
11 287 (4.42%) C# ASP.NET Developer
11 287 (4.42%) Front End Developer (Client-Side Developer)
12 270 (4.16%) Agile Developer
13 248 (3.82%) Java Engineer
14 245 (3.78%) Full Stack Developer
15 244 (3.76%) JavaScript Developer
16 221 (3.41%) Software Developer
17 213 (3.28%) Senior .NET Developer
18 200 (3.08%) Angular Developer
19 199 (3.07%) ASP.NET MVC Developer
Libraries, Frameworks & Software Standards
1 2,249 (34.65%) .NET
2 1,597 (24.61%) AngularJS
3 1,385 (21.34%) HTML
4 1,330 (20.49%) RESTful
5 1,323 (20.39%) CSS
6 1,213 (18.69%) ASP.NET
7 1,121 (17.27%) Node.js
8 1,007 (15.52%) React
9 961 (14.81%) REST
10 959 (14.78%) Spring
11 926 (14.27%) ASP.NET Web API
12 919 (14.16%) ASP.NET MVC
13 851 (13.11%) Web Services
14 654 (10.08%) HTML5
15 588 (9.06%) WCF
16 510 (7.86%) .NET Framework
17 478 (7.37%) Twitter Bootstrap
18 469 (7.23%) CSS3
19 441 (6.80%) jQuery
20 382 (5.89%) Entity Framework
Miscellaneous
1 811 (12.50%) Greenfield Project
2 568 (8.75%) User Experience
3 567 (8.74%) Fintech
4 383 (5.90%) Analytical Skills
5 363 (5.59%) Computer Science
6 327 (5.04%) Mobile App
7 210 (3.24%) Self-Motivation
8 177 (2.73%) Enterprise Software
9 173 (2.67%) Cyberthreat
10 169 (2.60%) Algorithms
11 146 (2.25%) Hedge funds
12 141 (2.17%) Equities
13 139 (2.14%) Data Structures
14 126 (1.94%) Fixed Income
15 119 (1.83%) Derivative
16 110 (1.69%) Foreign Exchange (FX)
17 83 (1.28%) Cloud Native
18 69 (1.06%) Tandem
19 60 (0.92%) Blog
20 56 (0.86%) Virtual Team
Operating Systems
1 562 (8.66%) Linux
2 316 (4.87%) Windows
3 240 (3.70%) Android
4 199 (3.07%) Apple iOS
5 182 (2.80%) Unix
6 18 (0.28%) Nucleus RTOS
7 17 (0.26%) Windows Server
8 16 (0.25%) CentOS
9 15 (0.23%) openSUSE
9 15 (0.23%) Red Hat Enterprise Linux
9 15 (0.23%) Ubuntu
10 13 (0.20%) VMS
11 12 (0.18%) Windows Phone
12 6 (0.092%) Mac OS
13 4 (0.062%) Mac OS X
14 3 (0.046%) CoreOS
14 3 (0.046%) MVS
14 3 (0.046%) Solaris
15 2 (0.031%) Windows XP
16 1 (0.015%) AIX
Processes & Methodologies
1 4,886 (75.29%) Agile Software Development
2 2,796 (43.08%) BDD
3 1,827 (28.15%) Scrum
4 1,600 (24.65%) Continuous Integration
5 1,506 (23.20%) MVC
6 1,498 (23.08%) Microservices
7 1,143 (17.61%) DevOps
7 1,143 (17.61%) Software Engineering
8 1,101 (16.96%) Test Automation
9 931 (14.35%) Kanban
10 864 (13.31%) OO
11 842 (12.97%) Problem-Solving
12 710 (10.94%) Web Application Development
13 606 (9.34%) Continuous Delivery
14 576 (8.88%) Pair Programming
15 551 (8.49%) SOLID
16 514 (7.92%) Unit Testing
17 505 (7.78%) Mentoring
18 477 (7.35%) E-Commerce
19 467 (7.20%) Web Development
Programming Languages
1 2,554 (39.35%) Java
2 2,411 (37.15%) C#
3 2,384 (36.73%) JavaScript
4 1,624 (25.02%) SQL
5 836 (12.88%) Python
6 830 (12.79%) Java 8
7 631 (9.72%) Ruby
8 565 (8.71%) Scala
9 358 (5.52%) PHP
10 264 (4.07%) C++
11 247 (3.81%) T-SQL
12 242 (3.73%) ES6
13 199 (3.07%) TypeScript
14 151 (2.33%) Go
15 133 (2.05%) PowerShell
16 116 (1.79%) Apple Swift
17 104 (1.60%) C
18 96 (1.48%) Groovy
19 90 (1.39%) Kotlin
20 80 (1.23%) Objective-C
Qualifications
1 680 (10.48%) Degree
2 183 (2.82%) Computer Science Degree
3 82 (1.26%) Security Cleared
4 52 (0.80%) SAFe Agilist
4 52 (0.80%) SC Cleared
5 34 (0.52%) Master's Degree
6 26 (0.40%) ISTQB
7 25 (0.39%) Numerate Degree
8 24 (0.37%) AWS Certification
8 24 (0.37%) DV Cleared
9 17 (0.26%) Microsoft Certification
10 14 (0.22%) ISEB
10 14 (0.22%) ISTQB Foundation Certification
11 9 (0.14%) PhD
12 6 (0.092%) APMG
12 6 (0.092%) CISSP
12 6 (0.092%) GSEC
12 6 (0.092%) MCSE
12 6 (0.092%) PMI Certification
12 6 (0.092%) PMP
Quality Assurance & Compliance
1 577 (8.89%) QA
2 22 (0.34%) WCAG
3 14 (0.22%) PMO
4 7 (0.11%) ISO/IEC 27001
4 7 (0.11%) PCI DSS
4 7 (0.11%) PSD2
5 5 (0.077%) SLA
6 4 (0.062%) EMIR
6 4 (0.062%) FATCA
6 4 (0.062%) MiFID
7 2 (0.031%) Data Quality
7 2 (0.031%) GDPR
7 2 (0.031%) SEPA
System Software
1 778 (11.99%) Docker
2 51 (0.79%) Active Directory
3 33 (0.51%) HDFS
4 11 (0.17%) VMware Infrastructure
5 6 (0.092%) Virtual Machines
6 5 (0.077%) Hyper-V
6 5 (0.077%) Varnish
6 5 (0.077%) vSphere
7 4 (0.062%) Apache ZooKeeper
8 3 (0.046%) VirtualBox
9 2 (0.031%) Apache Flume
10 1 (0.015%) etcd
10 1 (0.015%) iptables
10 1 (0.015%) Microsoft App-V
10 1 (0.015%) Oracle RAC
10 1 (0.015%) Virtual Servers
10 1 (0.015%) VMware ESXi
10 1 (0.015%) VMware Server
10 1 (0.015%) zsh
Systems Management
1 291 (4.48%) Kubernetes
2 188 (2.90%) Ansible
3 153 (2.36%) Terraform
4 139 (2.14%) Puppet
5 137 (2.11%) Opscode Chef
6 40 (0.62%) Kibana
7 37 (0.57%) Mesos
8 32 (0.49%) Salt
9 22 (0.34%) HP Quality Center
10 16 (0.25%) Grafana
11 15 (0.23%) Prometheus
12 14 (0.22%) Rancher
13 10 (0.15%) HAProxy
13 10 (0.15%) HockeyApp
14 8 (0.12%) logstash
15 7 (0.11%) Nagios
16 6 (0.092%) CFEngine
16 6 (0.092%) Docker Swarm
17 5 (0.077%) HP ALM
17 5 (0.077%) Icinga
Vendors
1 568 (8.75%) Microsoft
2 381 (5.87%) Google
3 328 (5.05%) Oracle
4 106 (1.63%) Facebook
5 98 (1.51%) Sitecore
6 87 (1.34%) Sybase
7 86 (1.33%) Apple
8 63 (0.97%) Splunk
9 61 (0.94%) Tableau
10 51 (0.79%) SAP
11 50 (0.77%) hybris
12 48 (0.74%) Atlassian
12 48 (0.74%) Marketo
13 46 (0.71%) Adobe
13 46 (0.71%) Xamarin
14 45 (0.69%) IBM
15 37 (0.57%) Alias
15 37 (0.57%) Zend
16 34 (0.52%) Charles River
17 33 (0.51%) SimCorp