Period
to 18 April 2019

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 April 2019 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > London
6 months to
18 Apr 2019
Same period 2018 Same period 2017
Rank 26 18 18
Rank change year-on-year -8 0 -1
Permanent jobs citing TDD 4,881 6,986 7,188
As % of all permanent IT jobs advertised in London 8.03% 9.98% 10.42%
As % of the Processes & Methodologies category 8.72% 10.76% 11.31%
Number of salaries quoted 4,135 5,965 6,535
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 £38,250 £37,250
90th Percentile £95,000 £90,000 £85,000
England median annual salary £55,000 £51,000 £51,500
% change year-on-year +7.84% -0.97% +3.00%

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 55,969 64,931 63,551
As % of all permanent IT jobs advertised in London 92.04% 92.75% 92.16%
Number of salaries quoted 45,196 53,246 53,344
London median annual salary £62,500 £60,000 £60,000
Median salary % change year-on-year +4.17% - +9.09%
10th Percentile £36,250 £35,000 £33,750
90th Percentile £95,000 £92,500 £90,000
England median annual salary £52,500 £50,000 £49,000
% change year-on-year +5.00% +2.04% +3.16%

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 April 2019.

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 April 2019. 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 -2 1,141 £70,000 +7.69% 166
West London +1 189 £57,500 -4.17% 57
South London -9 128 £55,000 -4.35% 5
East London +19 70 £60,000 +18.81% 19
North London -12 10 £45,000 - 5
TDD
England

For the 6 months to 18 April 2019, 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 3,671 (75.21%) Agile Software Development
2 2,085 (42.72%) BDD
3 1,938 (39.70%) Java
4 1,933 (39.60%) C#
5 1,801 (36.90%) JavaScript
6 1,702 (34.87%) .NET
7 1,332 (27.29%) Scrum
8 1,245 (25.51%) Continuous Integration
9 1,178 (24.13%) Finance
10 1,174 (24.05%) SQL
11 1,152 (23.60%) SQL Server
12 1,114 (22.82%) Microservices
13 1,109 (22.72%) AngularJS
14 1,100 (22.54%) MVC
15 1,064 (21.80%) Git (software)
16 1,023 (20.96%) RESTful
17 996 (20.41%) Software Engineering
18 975 (19.98%) ASP.NET
19 913 (18.71%) HTML
20 911 (18.66%) Test Automation
21 871 (17.84%) Node.js
22 843 (17.27%) DevOps
23 836 (17.13%) CSS
24 832 (17.05%) Amazon AWS
25 802 (16.43%) React
26 733 (15.02%) ASP.NET Web API
27 717 (14.69%) NoSQL
28 712 (14.59%) Docker
29 711 (14.57%) ASP.NET MVC
30 693 (14.20%) 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
1 167 (3.42%) Elasticsearch
2 150 (3.07%) Confluence
3 112 (2.29%) Apache Spark
4 91 (1.86%) CMS
5 90 (1.84%) Apache
6 87 (1.78%) Tomcat
7 85 (1.74%) IIS
8 43 (0.88%) Umbraco
9 38 (0.78%) Sitecore CMS
10 37 (0.76%) WordPress
11 33 (0.68%) EPiServer
12 32 (0.66%) Cloud Foundry
13 29 (0.59%) Apache Solr
14 24 (0.49%) DNN
14 24 (0.49%) nginx
15 23 (0.47%) Kentico
16 22 (0.45%) Immediacy CMS
16 22 (0.45%) Sitefinity
17 21 (0.43%) Drupal
18 20 (0.41%) WebSphere
Applications
1 9 (0.18%) Chatbot
1 9 (0.18%) Microsoft Project
2 8 (0.16%) Microsoft Office
2 8 (0.16%) MS Visio
3 3 (0.061%) Microsoft Excel
3 3 (0.061%) Photoshop
4 2 (0.041%) GIMP
4 2 (0.041%) Microsoft PowerPoint
5 1 (0.020%) Fireworks
5 1 (0.020%) HipChat
5 1 (0.020%) Mingle
Business Applications
1 37 (0.76%) Payment Gateway
2 28 (0.57%) Magento
3 15 (0.31%) Dynamics CRM
4 11 (0.23%) Oracle BPM
5 10 (0.20%) Distributed Ledger
6 8 (0.16%) SAP Hybris
7 5 (0.10%) FastStats
8 4 (0.082%) R3 Corda
9 2 (0.041%) Fredhopper
10 1 (0.020%) Bloomberg AIM
10 1 (0.020%) Eagle PACE
10 1 (0.020%) Endur
10 1 (0.020%) LatentZero
10 1 (0.020%) LongView
10 1 (0.020%) Markit EDM
10 1 (0.020%) Oracle Cash Management
10 1 (0.020%) Oracle CRM
10 1 (0.020%) Shopify
10 1 (0.020%) thinkFolio
Cloud Services
1 832 (17.05%) Amazon AWS
2 591 (12.11%) Microsoft Azure
3 186 (3.81%) Google Cloud Platform
4 184 (3.77%) GitHub
5 147 (3.01%) SaaS
6 120 (2.46%) Serverless
7 101 (2.07%) PaaS
8 94 (1.93%) npm
9 56 (1.15%) Amazon EC2
10 53 (1.09%) AWS Lambda
11 52 (1.07%) Office 365
12 50 (1.02%) OpenShift
13 44 (0.90%) G Suite
14 41 (0.84%) Amazon S3
14 41 (0.84%) Cloud Computing
15 34 (0.70%) IaaS
16 29 (0.59%) Apigee
17 26 (0.53%) Heroku
18 22 (0.45%) Azure Active Directory
19 20 (0.41%) AWS CloudFormation
Communications & Networking
1 161 (3.30%) Internet
2 93 (1.91%) HTTP
3 33 (0.68%) Broadband
4 22 (0.45%) AMQP
5 18 (0.37%) Hyperconnected
6 11 (0.23%) TCP/IP
7 10 (0.20%) Firewall
7 10 (0.20%) Skype
8 9 (0.18%) HTTPS
9 8 (0.16%) DNS
9 8 (0.16%) Ethernet
10 6 (0.12%) SSH
11 5 (0.10%) Intranet
11 5 (0.10%) SSL
12 4 (0.082%) SAN
13 3 (0.061%) MQTT
13 3 (0.061%) Network Security
13 3 (0.061%) WAN
14 2 (0.041%) FIX Connectivity
14 2 (0.041%) Plixer Scrutinizer
Database & Business Intelligence
1 1,152 (23.60%) SQL Server
2 717 (14.69%) NoSQL
3 557 (11.41%) SQL Server 2016
4 295 (6.04%) MySQL
5 278 (5.70%) MongoDB
6 273 (5.59%) Big Data
7 233 (4.77%) PostgreSQL
8 181 (3.71%) Apache Cassandra
9 176 (3.61%) Redis
10 173 (3.54%) Hadoop
11 136 (2.79%) Relational Database
12 59 (1.21%) Amazon DynamoDB
13 53 (1.09%) Blockchain
14 52 (1.07%) Data Warehouse
15 44 (0.90%) SQL Server 2012
16 43 (0.88%) Cosmos DB
17 38 (0.78%) SQL Server Integration Services
18 37 (0.76%) Amazon RDS
19 35 (0.72%) SQL Server Reporting Services
20 34 (0.70%) HBase
Development Applications
1 1,064 (21.80%) Git (software)
2 612 (12.54%) Jenkins
3 474 (9.71%) Selenium
4 402 (8.24%) Cucumber
5 399 (8.17%) JIRA
6 261 (5.35%) TeamCity
7 230 (4.71%) JUnit
8 227 (4.65%) Maven
9 184 (3.77%) NUnit
10 178 (3.65%) SpecFlow
11 135 (2.77%) Gradle
12 128 (2.62%) SoapUI
13 125 (2.56%) WebDriver
14 117 (2.40%) Atlassian Bamboo
15 111 (2.27%) Team Foundation Server
16 109 (2.23%) Visual Studio
17 103 (2.11%) Jasmine
18 99 (2.03%) webpack
19 93 (1.91%) JMeter
20 91 (1.86%) Mockito
General
1 1,178 (24.13%) Finance
2 455 (9.32%) Banking
3 361 (7.40%) Retail
4 349 (7.15%) Games
5 138 (2.83%) Marketing
6 105 (2.15%) Telecoms
7 85 (1.74%) Investment Banking
8 82 (1.68%) Advertising
9 70 (1.43%) Financial Institution
10 67 (1.37%) Law
11 54 (1.11%) Front Office
12 49 (1.00%) Publishing
13 39 (0.80%) Manufacturing
14 36 (0.74%) Back Office
15 32 (0.66%) Retail Banking
16 31 (0.64%) Automotive
17 25 (0.51%) Electronics
18 24 (0.49%) Legal
19 21 (0.43%) Music Industry
20 19 (0.39%) Pharmaceutical
Job Titles
1 3,277 (67.14%) Developer
2 1,040 (21.31%) .NET Developer
3 892 (18.27%) Java Developer
4 830 (17.00%) C# Developer
5 618 (12.66%) C# .NET Developer
6 607 (12.44%) Senior Developer
7 377 (7.72%) Software Engineer
8 258 (5.29%) ASP.NET Developer
9 252 (5.16%) C# ASP.NET Developer
10 247 (5.06%) JavaScript Developer
11 221 (4.53%) Front End Developer (Client-Side Developer)
12 210 (4.30%) Agile Developer
13 201 (4.12%) Full Stack Developer
13 201 (4.12%) Java Engineer
14 187 (3.83%) Software Developer
15 180 (3.69%) Senior Java Developer
16 176 (3.61%) Architect
17 172 (3.52%) Lead Developer
18 155 (3.18%) React Developer
19 151 (3.09%) Junior
Libraries, Frameworks & Software Standards
1 1,702 (34.87%) .NET
2 1,109 (22.72%) AngularJS
3 1,023 (20.96%) RESTful
4 975 (19.98%) ASP.NET
5 913 (18.71%) HTML
6 871 (17.84%) Node.js
7 836 (17.13%) CSS
8 802 (16.43%) React
9 733 (15.02%) ASP.NET Web API
10 711 (14.57%) ASP.NET MVC
11 683 (13.99%) Spring
12 634 (12.99%) REST
13 514 (10.53%) Web Services
14 425 (8.71%) .NET Framework
15 415 (8.50%) WCF
16 384 (7.87%) HTML5
17 345 (7.07%) Twitter Bootstrap
18 329 (6.74%) Entity Framework
19 318 (6.52%) Kafka
20 308 (6.31%) ASP.NET MVC 5
Miscellaneous
1 542 (11.10%) Greenfield Project
2 416 (8.52%) Fintech
3 356 (7.29%) User Experience
4 197 (4.04%) Mobile App
5 174 (3.56%) Analytical Skills
6 147 (3.01%) Algorithms
7 134 (2.75%) Enterprise Software
8 92 (1.88%) Data Structures
9 82 (1.68%) Self-Motivation
10 62 (1.27%) Hedge funds
11 61 (1.25%) Cloud Native
12 58 (1.19%) Tandem
13 49 (1.00%) Foreign Exchange (FX)
14 43 (0.88%) Linux Command Line
15 38 (0.78%) Blog
15 38 (0.78%) Social Media
15 38 (0.78%) Virtual Team
16 36 (0.74%) Fixed Income
17 29 (0.59%) Online Banking
18 28 (0.57%) Reinsurance
Operating Systems
1 391 (8.01%) Linux
2 246 (5.04%) Windows
3 176 (3.61%) Android
4 149 (3.05%) Apple iOS
5 73 (1.50%) Unix
6 25 (0.51%) Ubuntu
7 23 (0.47%) CentOS
8 22 (0.45%) Mac OS X
9 20 (0.41%) openSUSE
10 17 (0.35%) Red Hat Enterprise Linux
11 11 (0.23%) Windows Server
12 5 (0.10%) Solaris
13 1 (0.020%) Mac OS
13 1 (0.020%) VMS
Processes & Methodologies
1 3,671 (75.21%) Agile Software Development
2 2,085 (42.72%) BDD
3 1,332 (27.29%) Scrum
4 1,245 (25.51%) Continuous Integration
5 1,114 (22.82%) Microservices
6 1,100 (22.54%) MVC
7 996 (20.41%) Software Engineering
8 911 (18.66%) Test Automation
9 843 (17.27%) DevOps
10 693 (14.20%) Kanban
11 536 (10.98%) OO
12 502 (10.28%) Unit Testing
13 492 (10.08%) Web Application Development
14 407 (8.34%) Pair Programming
15 402 (8.24%) Continuous Delivery
16 401 (8.22%) Mentoring
17 376 (7.70%) E-Commerce
18 371 (7.60%) SOLID
19 362 (7.42%) Front End Development
20 343 (7.03%) Dependency Injection
Programming Languages
1 1,938 (39.70%) Java
2 1,933 (39.60%) C#
3 1,801 (36.90%) JavaScript
4 1,174 (24.05%) SQL
5 627 (12.85%) Python
6 546 (11.19%) Java 8
7 485 (9.94%) Ruby
8 355 (7.27%) Scala
9 247 (5.06%) PHP
10 215 (4.40%) TypeScript
11 199 (4.08%) ES6
12 183 (3.75%) C++
13 155 (3.18%) T-SQL
14 153 (3.13%) PowerShell
15 114 (2.34%) Go
16 110 (2.25%) C
17 100 (2.05%) Kotlin
18 90 (1.84%) Apple Swift
19 65 (1.33%) F#
19 65 (1.33%) Groovy
Qualifications
1 480 (9.83%) Degree
2 133 (2.72%) Computer Science Degree
3 101 (2.07%) Security Cleared
4 64 (1.31%) SC Cleared
5 34 (0.70%) ISTQB
6 29 (0.59%) DV Cleared
7 23 (0.47%) ISTQB Foundation Certification
8 19 (0.39%) ISEB
9 15 (0.31%) PhD
10 14 (0.29%) Numerate Degree
11 12 (0.25%) Microsoft Certification
12 10 (0.20%) AWS Certification
13 8 (0.16%) Master's Degree
13 8 (0.16%) PRINCE2 Certification
14 7 (0.14%) MCSE
15 5 (0.10%) CISSP
15 5 (0.10%) ITIL Certification
16 3 (0.061%) PMI Certification
16 3 (0.061%) TOGAF Certification
17 2 (0.041%) ISTQB Advanced Certification
Quality Assurance & Compliance
1 463 (9.49%) QA
2 7 (0.14%) MiFID
3 5 (0.10%) GDPR
3 5 (0.10%) PSD2
3 5 (0.10%) SLA
3 5 (0.10%) WCAG
4 4 (0.082%) Data Quality
4 4 (0.082%) EMIR
4 4 (0.082%) HIPAA
4 4 (0.082%) PMO
5 2 (0.041%) Dodd-Frank
5 2 (0.041%) FedRAMP
5 2 (0.041%) ISO/IEC 27001
5 2 (0.041%) PCI DSS
5 2 (0.041%) TickIT
6 1 (0.020%) HL7
6 1 (0.020%) ISO 20022
6 1 (0.020%) SEPA
System Software
1 712 (14.59%) Docker
2 59 (1.21%) Active Directory
3 47 (0.96%) Apache ZooKeeper
4 20 (0.41%) HDFS
5 12 (0.25%) Varnish
6 11 (0.23%) VMware Infrastructure
6 11 (0.23%) vSphere
7 4 (0.082%) Firmware
8 3 (0.061%) Apache Flume
9 2 (0.041%) Virtual Machines
10 1 (0.020%) LXC
10 1 (0.020%) Microsoft App-V
Systems Management
1 408 (8.36%) Kubernetes
2 178 (3.65%) Ansible
3 144 (2.95%) Terraform
4 137 (2.81%) Puppet
5 126 (2.58%) Opscode Chef
6 44 (0.90%) Kibana
7 43 (0.88%) Prometheus
8 38 (0.78%) Grafana
9 35 (0.72%) Rancher
10 23 (0.47%) Mesos
11 20 (0.41%) Salt
12 19 (0.39%) HP Quality Center
12 19 (0.39%) logstash
13 16 (0.33%) Marathon
14 9 (0.18%) Consul
14 9 (0.18%) Single Sign-On
15 7 (0.14%) HAProxy
15 7 (0.14%) Red Hat Spacewalk
16 5 (0.10%) Docker Swarm
16 5 (0.10%) ZABBIX
Vendors
1 488 (10.00%) Microsoft
2 258 (5.29%) Google
3 215 (4.40%) Oracle
4 63 (1.29%) Facebook
4 63 (1.29%) WorldPay
5 56 (1.15%) SAP
6 52 (1.07%) Splunk
7 39 (0.80%) Sitecore
8 38 (0.78%) Apple
9 33 (0.68%) IBM
10 27 (0.55%) New Relic
10 27 (0.55%) Red Hat
11 25 (0.51%) Xamarin
12 23 (0.47%) AppDynamics
12 23 (0.47%) Cognizant
12 23 (0.47%) HP
13 22 (0.45%) Alterian
13 22 (0.45%) Zend
14 20 (0.41%) Spotify
15 19 (0.39%) Twitter