Period
to 18 December 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 December 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > London
6 months to
18 Dec 2018
Same period 2017 Same period 2016
Rank 23 19 18
Rank change year-on-year -4 -1 +2
Permanent jobs citing TDD 5,953 7,386 7,463
As % of all permanent IT jobs advertised in London 8.98% 10.00% 10.13%
As % of the Processes & Methodologies category 9.75% 10.72% 10.99%
Number of salaries quoted 4,962 6,239 6,832
London median annual salary £67,500 £62,500 £60,000
Median salary % change year-on-year +8.00% +4.17% +4.35%
10th Percentile £38,750 £37,500 £37,500
90th Percentile £95,000 £87,500 £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 61,049 68,878 67,893
As % of all permanent IT jobs advertised in London 92.04% 93.29% 92.20%
Number of salaries quoted 49,239 53,874 58,159
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 £33,519
90th Percentile £95,000 £90,000 £90,000
England median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +5.26%

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 December 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 December 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 1,303 £70,000 +12.00% 309
West London -7 172 £60,000 +9.09% 141
South London -11 136 £55,000 -4.35% 15
East London +20 73 £60,000 +9.09% 66
North London -1 18 £60,000 +33.33% 7
TDD
England

For the 6 months to 18 December 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 4,496 (75.52%) Agile Software Development
2 2,523 (42.38%) BDD
3 2,368 (39.78%) Java
4 2,253 (37.85%) C#
5 2,137 (35.90%) JavaScript
6 2,016 (33.87%) .NET
7 1,654 (27.78%) Scrum
8 1,580 (26.54%) Continuous Integration
9 1,460 (24.53%) AngularJS
10 1,459 (24.51%) Microservices
11 1,440 (24.19%) Finance
12 1,427 (23.97%) SQL
13 1,413 (23.74%) SQL Server
14 1,356 (22.78%) MVC
15 1,270 (21.33%) Git (software)
16 1,191 (20.01%) RESTful
17 1,175 (19.74%) HTML
18 1,162 (19.52%) Amazon AWS
19 1,125 (18.90%) ASP.NET
20 1,086 (18.24%) DevOps
21 1,057 (17.76%) CSS
22 1,001 (16.82%) Software Engineering
23 996 (16.73%) Node.js
24 989 (16.61%) Test Automation
25 896 (15.05%) React
26 888 (14.92%) ASP.NET Web API
27 870 (14.61%) REST
28 868 (14.58%) Kanban
29 851 (14.30%) ASP.NET MVC
29 851 (14.30%) Spring

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
1 206 (3.46%) Elasticsearch
2 180 (3.02%) CMS
3 176 (2.96%) Confluence
4 145 (2.44%) Apache Spark
5 126 (2.12%) Apache
6 106 (1.78%) EPiServer
7 102 (1.71%) Tomcat
8 82 (1.38%) IIS
9 65 (1.09%) Sitecore CMS
10 55 (0.92%) WordPress
11 52 (0.87%) WebSphere
12 43 (0.72%) Drupal
13 40 (0.67%) Umbraco
14 39 (0.66%) nginx
15 33 (0.55%) Cloud Foundry
16 31 (0.52%) WebLogic
17 28 (0.47%) DNN
17 28 (0.47%) Kentico
17 28 (0.47%) SharePoint
18 26 (0.44%) Sitefinity
Applications
1 24 (0.40%) Microsoft Excel
2 13 (0.22%) Chatbot
3 12 (0.20%) Microsoft Office
3 12 (0.20%) Microsoft Project
4 11 (0.18%) Spreadsheet
5 6 (0.10%) Microsoft PowerPoint
6 5 (0.084%) MS Visio
7 4 (0.067%) Mingle
7 4 (0.067%) Snapchat
8 3 (0.050%) Open Workbench
8 3 (0.050%) Photoshop
9 2 (0.034%) LibreOffice
10 1 (0.017%) Fireworks
10 1 (0.017%) HipChat
10 1 (0.017%) InDesign
10 1 (0.017%) Maya
10 1 (0.017%) OmniGraffle
Business Applications
1 45 (0.76%) Payment Gateway
2 30 (0.50%) Eloqua
3 28 (0.47%) Dynamics CRM
3 28 (0.47%) Magento
4 13 (0.22%) Markit EDM
5 11 (0.18%) Dynamics AX
6 9 (0.15%) Dynamics NAV
6 9 (0.15%) FastStats
7 8 (0.13%) Distributed Ledger
7 8 (0.13%) Oracle BPM
7 8 (0.13%) thinkFolio
8 6 (0.10%) Eagle PACE
8 6 (0.10%) Oracle EBS
8 6 (0.10%) Oracle Retail
9 5 (0.084%) Adobe Campaign
9 5 (0.084%) Bloomberg AIM
9 5 (0.084%) Front Arena
10 4 (0.067%) SunGard GMI
11 3 (0.050%) SAP Hybris
12 2 (0.034%) RMDS
Cloud Services
1 1,162 (19.52%) Amazon AWS
2 806 (13.54%) Microsoft Azure
3 226 (3.80%) Google Cloud Platform
4 187 (3.14%) GitHub
5 181 (3.04%) Serverless
6 170 (2.86%) npm
7 142 (2.39%) SaaS
8 94 (1.58%) PaaS
9 66 (1.11%) AWS Lambda
10 63 (1.06%) Amazon EC2
11 62 (1.04%) OpenShift
12 50 (0.84%) Cloud Computing
12 50 (0.84%) IaaS
13 48 (0.81%) Amazon S3
14 35 (0.59%) Heroku
15 30 (0.50%) AWS CloudFormation
15 30 (0.50%) Office 365
16 28 (0.47%) Amazon SQS
17 24 (0.40%) Apigee
18 23 (0.39%) CloudFront
Communications & Networking
1 195 (3.28%) Internet
2 118 (1.98%) HTTP
3 33 (0.55%) Broadband
4 26 (0.44%) Hyperconnected
5 18 (0.30%) Firewall
6 17 (0.29%) DNS
7 14 (0.24%) AMQP
8 10 (0.17%) SSH
9 7 (0.12%) Ethernet
9 7 (0.12%) Skype
9 7 (0.12%) TCP/IP
9 7 (0.12%) Unified Communications
9 7 (0.12%) VPN
10 6 (0.10%) ATM
10 6 (0.10%) Network Security
11 4 (0.067%) DAB
12 3 (0.050%) DHCP
12 3 (0.050%) Wi-Fi
12 3 (0.050%) Wireshark
13 2 (0.034%) SMS
Database & Business Intelligence
1 1,413 (23.74%) SQL Server
2 841 (14.13%) NoSQL
3 681 (11.44%) SQL Server 2016
4 409 (6.87%) Big Data
5 399 (6.70%) MongoDB
6 365 (6.13%) MySQL
7 255 (4.28%) PostgreSQL
8 191 (3.21%) Relational Database
9 170 (2.86%) Redis
10 156 (2.62%) Apache Cassandra
11 144 (2.42%) Hadoop
12 98 (1.65%) Blockchain
13 88 (1.48%) SQL Server Integration Services
14 64 (1.08%) Data Warehouse
15 63 (1.06%) Oracle Database
16 59 (0.99%) SQL Server 2008
17 57 (0.96%) Couchbase
17 57 (0.96%) SQL Server Reporting Services
18 52 (0.87%) SQL Server 2012
19 49 (0.82%) Amazon RDS
Development Applications
1 1,270 (21.33%) Git (software)
2 715 (12.01%) Jenkins
3 584 (9.81%) Selenium
4 475 (7.98%) JIRA
5 402 (6.75%) TeamCity
6 363 (6.10%) Cucumber
7 309 (5.19%) JUnit
8 291 (4.89%) Maven
9 214 (3.59%) NUnit
10 206 (3.46%) gulp
11 196 (3.29%) Team Foundation Server
11 196 (3.29%) Visual Studio
12 178 (2.99%) SpecFlow
13 174 (2.92%) Mocha
14 171 (2.87%) Octopus Deploy
15 168 (2.82%) WebDriver
16 147 (2.47%) Gradle
17 143 (2.40%) webpack
18 131 (2.20%) Atlassian Bamboo
19 126 (2.12%) Grunt
General
1 1,440 (24.19%) Finance
2 553 (9.29%) Banking
3 464 (7.79%) Games
4 333 (5.59%) Retail
5 164 (2.75%) Advertising
5 164 (2.75%) Marketing
6 148 (2.49%) Front Office
7 135 (2.27%) Investment Banking
8 115 (1.93%) Financial Institution
9 97 (1.63%) Law
10 88 (1.48%) Publishing
11 79 (1.33%) Telecoms
12 50 (0.84%) Pharmaceutical
13 47 (0.79%) Legal
14 45 (0.76%) Automotive
15 32 (0.54%) Back Office
15 32 (0.54%) Music Industry
16 21 (0.35%) Manufacturing
17 20 (0.34%) Electronics
18 14 (0.24%) Multimedia
Job Titles
1 4,086 (68.64%) Developer
2 1,265 (21.25%) .NET Developer
3 1,227 (20.61%) Java Developer
4 955 (16.04%) C# Developer
5 901 (15.14%) Senior Developer
6 676 (11.36%) C# .NET Developer
7 445 (7.48%) Software Engineer
8 319 (5.36%) Agile Developer
9 303 (5.09%) ASP.NET Developer
10 300 (5.04%) Senior Java Developer
11 272 (4.57%) C# ASP.NET Developer
12 239 (4.01%) Lead Developer
13 232 (3.90%) Front End Developer (Client-Side Developer)
14 229 (3.85%) JavaScript Developer
15 226 (3.80%) Full Stack Developer
16 206 (3.46%) Java Engineer
17 202 (3.39%) Senior .NET Developer
18 193 (3.24%) Software Developer
19 178 (2.99%) Architect
20 175 (2.94%) Junior
Libraries, Frameworks & Software Standards
1 2,016 (33.87%) .NET
2 1,460 (24.53%) AngularJS
3 1,191 (20.01%) RESTful
4 1,175 (19.74%) HTML
5 1,125 (18.90%) ASP.NET
6 1,057 (17.76%) CSS
7 996 (16.73%) Node.js
8 896 (15.05%) React
9 888 (14.92%) ASP.NET Web API
10 870 (14.61%) REST
11 851 (14.30%) ASP.NET MVC
11 851 (14.30%) Spring
12 697 (11.71%) Web Services
13 553 (9.29%) HTML5
14 491 (8.25%) WCF
15 461 (7.74%) Twitter Bootstrap
16 458 (7.69%) .NET Framework
17 414 (6.95%) jQuery
18 363 (6.10%) CSS3
19 341 (5.73%) Spring Boot
Miscellaneous
1 722 (12.13%) Greenfield Project
2 430 (7.22%) Fintech
3 429 (7.21%) User Experience
4 263 (4.42%) Analytical Skills
5 237 (3.98%) Mobile App
6 181 (3.04%) Self-Motivation
7 155 (2.60%) Algorithms
8 128 (2.15%) Enterprise Software
9 113 (1.90%) Data Structures
10 100 (1.68%) Hedge funds
11 81 (1.36%) Foreign Exchange (FX)
12 78 (1.31%) Tandem
13 70 (1.18%) Derivative
13 70 (1.18%) Equities
14 64 (1.08%) Cloud Native
15 62 (1.04%) Life Science
16 60 (1.01%) Blog
17 53 (0.89%) Social Network
18 52 (0.87%) Fixed Income
19 47 (0.79%) Virtual Team
Operating Systems
1 477 (8.01%) Linux
2 304 (5.11%) Windows
3 208 (3.49%) Android
4 168 (2.82%) Apple iOS
5 152 (2.55%) Unix
6 42 (0.71%) CentOS
7 34 (0.57%) Windows Server
8 33 (0.55%) Ubuntu
9 28 (0.47%) Red Hat Enterprise Linux
10 20 (0.34%) openSUSE
11 13 (0.22%) Solaris
12 6 (0.10%) Mac OS X
13 3 (0.050%) VMS
14 2 (0.034%) CoreOS
14 2 (0.034%) DC/OS
14 2 (0.034%) MVS
15 1 (0.017%) AIX
15 1 (0.017%) Debian
15 1 (0.017%) Windows XP
Processes & Methodologies
1 4,496 (75.52%) Agile Software Development
2 2,523 (42.38%) BDD
3 1,654 (27.78%) Scrum
4 1,580 (26.54%) Continuous Integration
5 1,459 (24.51%) Microservices
6 1,356 (22.78%) MVC
7 1,086 (18.24%) DevOps
8 1,001 (16.82%) Software Engineering
9 989 (16.61%) Test Automation
10 868 (14.58%) Kanban
11 673 (11.31%) OO
12 655 (11.00%) Web Application Development
13 608 (10.21%) Problem-Solving
14 588 (9.88%) Continuous Delivery
15 576 (9.68%) Pair Programming
16 506 (8.50%) Unit Testing
17 453 (7.61%) SOLID
18 426 (7.16%) E-Commerce
19 425 (7.14%) Mentoring
20 408 (6.85%) Front End Development
Programming Languages
1 2,368 (39.78%) Java
2 2,253 (37.85%) C#
3 2,137 (35.90%) JavaScript
4 1,427 (23.97%) SQL
5 780 (13.10%) Java 8
6 748 (12.57%) Python
7 589 (9.89%) Ruby
8 456 (7.66%) Scala
9 312 (5.24%) PHP
10 246 (4.13%) C++
11 220 (3.70%) ES6
12 202 (3.39%) T-SQL
13 201 (3.38%) TypeScript
14 176 (2.96%) PowerShell
15 156 (2.62%) Go
16 105 (1.76%) C
17 102 (1.71%) Apple Swift
18 83 (1.39%) Groovy
19 81 (1.36%) Kotlin
20 74 (1.24%) F#
Qualifications
1 566 (9.51%) Degree
2 155 (2.60%) Computer Science Degree
3 93 (1.56%) Security Cleared
4 64 (1.08%) SC Cleared
5 33 (0.55%) SAFe Agilist
6 28 (0.47%) DV Cleared
7 24 (0.40%) Master's Degree
8 21 (0.35%) Numerate Degree
9 18 (0.30%) ISTQB
10 13 (0.22%) AWS Certification
10 13 (0.22%) Microsoft Certification
11 9 (0.15%) PRINCE2 Certification
12 8 (0.13%) CISSP
12 8 (0.13%) MCSE
12 8 (0.13%) PhD
13 7 (0.12%) ISTQB Foundation Certification
14 6 (0.10%) ISEB
14 6 (0.10%) ITIL Certification
15 5 (0.084%) PMI Certification
15 5 (0.084%) PMP
Quality Assurance & Compliance
1 492 (8.26%) QA
2 15 (0.25%) WCAG
3 14 (0.24%) PMO
4 9 (0.15%) ISO/IEC 27001
5 4 (0.067%) EMIR
5 4 (0.067%) FATCA
5 4 (0.067%) MiFID
5 4 (0.067%) PSD2
6 3 (0.050%) Data Quality
7 2 (0.034%) FedRAMP
7 2 (0.034%) SEPA
8 1 (0.017%) GDPR
8 1 (0.017%) ISO 20022
8 1 (0.017%) ISO 8583
8 1 (0.017%) PCI DSS
8 1 (0.017%) SLA
System Software
1 763 (12.82%) Docker
2 57 (0.96%) Active Directory
3 36 (0.60%) HDFS
4 29 (0.49%) Apache ZooKeeper
5 9 (0.15%) Varnish
5 9 (0.15%) vSphere
6 8 (0.13%) VMware Infrastructure
7 7 (0.12%) Apache Flume
8 3 (0.050%) Virtual Machines
9 2 (0.034%) iptables
9 2 (0.034%) Microsoft App-V
9 2 (0.034%) VirtualBox
10 1 (0.017%) etcd
10 1 (0.017%) Firmware
10 1 (0.017%) LXC
10 1 (0.017%) Platform Symphony
10 1 (0.017%) zsh
Systems Management
1 332 (5.58%) Kubernetes
2 177 (2.97%) Ansible
3 157 (2.64%) Terraform
4 147 (2.47%) Puppet
5 128 (2.15%) Opscode Chef
6 46 (0.77%) Kibana
7 29 (0.49%) Rancher
8 28 (0.47%) HP Quality Center
9 24 (0.40%) Salt
10 23 (0.39%) Grafana
11 20 (0.34%) Prometheus
12 19 (0.32%) Mesos
13 13 (0.22%) HAProxy
14 9 (0.15%) Docker Swarm
14 9 (0.15%) Nagios
15 8 (0.13%) Single Sign-On
16 6 (0.10%) Consul
16 6 (0.10%) logstash
17 5 (0.084%) Hadoop YARN
17 5 (0.084%) Red Hat Spacewalk
Vendors
1 520 (8.74%) Microsoft
2 335 (5.63%) Google
3 291 (4.89%) Oracle
4 93 (1.56%) Facebook
5 75 (1.26%) Apple
6 72 (1.21%) Sitecore
7 57 (0.96%) SAP
8 54 (0.91%) IBM
9 53 (0.89%) Splunk
10 48 (0.81%) Atlassian
11 46 (0.77%) Sybase
12 45 (0.76%) Red Hat
13 39 (0.66%) Adobe
14 36 (0.60%) WorldPay
14 36 (0.60%) Zend
15 35 (0.59%) Tableau
16 30 (0.50%) Marketo
16 30 (0.50%) Twitter
17 28 (0.47%) Alias
17 28 (0.47%) Yahoo!