The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 3 months to 22 June 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
London / City of London
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 19 14 21
Rank change year-on-year -5 +7  
Permanent jobs citing TDD 535 753 764
As % of all permanent IT jobs advertised in the City of London 10.30% 11.80% 7.36%
As % of the Processes & Methodologies category 11.54% 13.01% 8.24%
Number of salaries quoted 464 698 660
Median salary £62,500 £60,250 £57,500
Median salary % change year-on-year +3.73% +4.78%  
90% offered a salary of more than £45,000 £45,000 £42,500
10% offered a salary of more than £85,000 £82,500 £75,000
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year - +5.88%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for process and methodology skills.

Process & Methodology Skills
City of London
Permanent job vacancies with a requirement for process and methodology skills 4638 5789 9270
As % of all permanent IT job vacancies advertised in the City of London 89.31% 90.75% 89.25%
Number of salaries quoted 4103 5287 7927
Median salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.16% +4.34%  
90% offered a salary of more than £40,000 £40,000 £39,000
10% offered a salary of more than £85,000 £80,000 £85,000
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing TDD as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in the City of London

TDD
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD in the City of London.

Salary trend for TDD in the City of London

TDD
Salary Histogram in the City of London

The salary distribution of IT jobs citing TDD in the City of London over the 3 months to 22 June 2017.

Salary histogram for TDD in the City of London

For the 6 months to 22 June 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 City of London region with a requirement for TDD.

1 750 (81.61%) Agile Software Development
2 384 (41.78%) BDD
3 372 (40.48%) Java
4 359 (39.06%) JavaScript
5 311 (33.84%) Scrum
6 291 (31.66%) Continuous Integration
7 276 (30.03%) HTML
8 228 (24.81%) C#
9 226 (24.59%) .NET
10 219 (23.83%) SQL
11 217 (23.61%) CSS
12 199 (21.65%) Test Automation
13 197 (21.44%) Finance
14 194 (21.11%) AngularJS
15 167 (18.17%) OO
16 162 (17.63%) SQL Server
17 153 (16.65%) QA
18 152 (16.54%) Kanban
19 151 (16.43%) Git (software)
20 150 (16.32%) MVC
21 135 (14.69%) Degree
22 133 (14.47%) Microservices
23 132 (14.36%) Selenium
24 129 (14.04%) HTML5
25 123 (13.38%) Amazon AWS
26 121 (13.17%) Fintech
27 111 (12.08%) jQuery
28 110 (11.97%) Pair Programming
28 110 (11.97%) NoSQL
29 109 (11.86%) Web Services

TDD
Co-occurring IT Skills in the City of 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 38 (4.13%) Confluence
2 36 (3.92%) Tomcat
3 35 (3.81%) Elasticsearch
4 34 (3.70%) Apache
5 29 (3.16%) WebSphere
6 28 (3.05%) Apache Spark
7 25 (2.72%) CMS
8 22 (2.39%) Apache Solr
8 22 (2.39%) JBoss
9 14 (1.52%) IIS
9 14 (1.52%) Jetty
10 11 (1.20%) OpenStack
10 11 (1.20%) WebLogic
11 10 (1.09%) Adobe Experience Manager
12 8 (0.87%) Umbraco
13 7 (0.76%) Sitecore CMS
14 6 (0.65%) EPiServer
15 5 (0.54%) NServiceBus
15 5 (0.54%) WebSphere Application Server
16 4 (0.44%) Oracle SOA Suite
Applications
1 2 (0.22%) Microsoft Office
2 1 (0.11%) Microsoft Excel
2 1 (0.11%) Microsoft PowerPoint
2 1 (0.11%) Microsoft Project
Business Applications
1 15 (1.63%) Oracle Financials
1 15 (1.63%) Oracle Retail
1 15 (1.63%) PeopleSoft Financials
2 8 (0.87%) Dynamics CRM
2 8 (0.87%) Magento
3 6 (0.65%) Eloqua
4 5 (0.54%) WebTrends
5 4 (0.44%) RMDS
6 2 (0.22%) Payment Gateway
Cloud Services
1 123 (13.38%) Amazon AWS
2 92 (10.01%) Microsoft Azure
3 24 (2.61%) SaaS
4 18 (1.96%) TestFlight
5 17 (1.85%) BrowserStack
6 14 (1.52%) AWS CloudFormation
7 12 (1.31%) Cloud Computing
7 12 (1.31%) PaaS
8 11 (1.20%) Azure Active Directory
8 11 (1.20%) GitHub
9 6 (0.65%) Amazon EC2
9 6 (0.65%) IaaS
10 5 (0.54%) AWS Lambda
10 5 (0.54%) Azure Machine Learning
11 4 (0.44%) AWS Elastic Beanstalk
11 4 (0.44%) Datadog
11 4 (0.44%) Google Cloud Platform
12 3 (0.33%) Heroku
13 2 (0.22%) Amazon SQS
13 2 (0.22%) CloudFront
Communications & Networking
1 31 (3.37%) HTTP
2 21 (2.29%) Internet
3 16 (1.74%) DNS
4 11 (1.20%) AMQP
5 6 (0.65%) VPN
6 5 (0.54%) DHCP
6 5 (0.54%) DMZ
6 5 (0.54%) Firewall
6 5 (0.54%) WAN
7 4 (0.44%) Intranet
8 1 (0.11%) FIX Connectivity
8 1 (0.11%) HTTPS
Database & Business Intelligence
1 162 (17.63%) SQL Server
2 110 (11.97%) NoSQL
3 102 (11.10%) MySQL
4 77 (8.38%) MongoDB
5 34 (3.70%) Apache Cassandra
5 34 (3.70%) Big Data
5 34 (3.70%) Blockchain
6 31 (3.37%) Relational Database
7 30 (3.26%) Azure SQL Database
8 25 (2.72%) PostgreSQL
9 23 (2.50%) SQLite
10 20 (2.18%) Couchbase
11 18 (1.96%) CouchDB
11 18 (1.96%) Hadoop
12 16 (1.74%) Data Warehouse
12 16 (1.74%) Redis
13 11 (1.20%) Riak
14 10 (1.09%) SQL Server Integration Services
15 9 (0.98%) SQL Server 2008
15 9 (0.98%) SQL Server Reporting Services
Development Applications
1 151 (16.43%) Git (software)
2 132 (14.36%) Selenium
3 91 (9.90%) JIRA
4 85 (9.25%) Jenkins
5 80 (8.71%) WebDriver
6 78 (8.49%) TeamCity
7 67 (7.29%) Octopus Deploy
8 65 (7.07%) Cucumber
9 64 (6.96%) Maven
10 59 (6.42%) SpecFlow
11 56 (6.09%) Jasmine
12 51 (5.55%) JUnit
13 46 (5.01%) Team Foundation Server
14 42 (4.57%) NUnit
15 27 (2.94%) Appium
15 27 (2.94%) Visual Studio
16 25 (2.72%) Rhino Mocks
17 22 (2.39%) Mocha
17 22 (2.39%) Subversion
18 21 (2.29%) gulp
General
1 197 (21.44%) Finance
2 79 (8.60%) Banking
3 43 (4.68%) Retail
4 41 (4.46%) Investment Banking
5 36 (3.92%) Advertising
6 34 (3.70%) Marketing
7 26 (2.83%) Legal
8 25 (2.72%) Front Office
9 23 (2.50%) Games
10 11 (1.20%) Financial Institution
11 9 (0.98%) Publishing
12 8 (0.87%) Manufacturing
13 2 (0.22%) Automotive
13 2 (0.22%) Digital Economy
13 2 (0.22%) Law
13 2 (0.22%) Music Industry
13 2 (0.22%) Pharmaceutical
13 2 (0.22%) Telecoms
14 1 (0.11%) Polish Language
Job Titles
1 615 (66.92%) Developer
2 196 (21.33%) Java Developer
3 138 (15.02%) Senior Developer
4 98 (10.66%) .NET Developer
5 93 (10.12%) C# Developer
5 93 (10.12%) Lead Developer
6 58 (6.31%) Architect
7 55 (5.98%) Analyst
8 52 (5.66%) JavaScript Developer
9 45 (4.90%) C# .NET Developer
10 43 (4.68%) Agile Developer
11 41 (4.46%) Front End Developer (Client-Side Developer)
12 39 (4.24%) Full Stack Developer
12 39 (4.24%) QA Engineer
13 38 (4.13%) Senior Java Developer
13 38 (4.13%) Technical Architect
14 35 (3.81%) Java Engineer
15 34 (3.70%) Python Developer
16 32 (3.48%) Lead .NET Developer
17 29 (3.16%) Business Analyst
Libraries, Frameworks & Software Standards
1 276 (30.03%) HTML
2 226 (24.59%) .NET
3 217 (23.61%) CSS
4 194 (21.11%) AngularJS
5 129 (14.04%) HTML5
6 111 (12.08%) jQuery
7 109 (11.86%) Web Services
8 105 (11.43%) Spring
9 104 (11.32%) React
9 104 (11.32%) REST
10 90 (9.79%) ASP.NET
11 85 (9.25%) Node.js
12 81 (8.81%) CSS3
13 80 (8.71%) RESTful
14 68 (7.40%) ASP.NET MVC
15 62 (6.75%) ASP.NET Web API
16 61 (6.64%) .NET Framework
17 58 (6.31%) Entity Framework
18 56 (6.09%) WCF
18 56 (6.09%) WPF
Miscellaneous
1 121 (13.17%) Fintech
2 107 (11.64%) Mobile App
3 95 (10.34%) User Experience
4 81 (8.81%) Computer Science
5 67 (7.29%) Greenfield Project
6 39 (4.24%) Enterprise Software
7 32 (3.48%) Client/Server
8 28 (3.05%) Analytical Skills
9 26 (2.83%) Algorithms
10 20 (2.18%) Equities
11 13 (1.41%) Fixed Income
12 11 (1.20%) Public Cloud
13 10 (1.09%) Bitcoin
14 9 (0.98%) Blog
15 8 (0.87%) Derivative
15 8 (0.87%) Foreign Exchange (FX)
15 8 (0.87%) Management Information System
15 8 (0.87%) N-Tier
16 6 (0.65%) Cloud Native
16 6 (0.65%) Social Media
Operating Systems
1 75 (8.16%) Android
2 71 (7.73%) Apple iOS
3 57 (6.20%) Linux
4 22 (2.39%) Windows
5 21 (2.29%) Unix
6 3 (0.33%) Windows Server
7 1 (0.11%) CoreOS
7 1 (0.11%) Mac OS X
Processes & Methodologies
1 750 (81.61%) Agile Software Development
2 384 (41.78%) BDD
3 311 (33.84%) Scrum
4 291 (31.66%) Continuous Integration
5 199 (21.65%) Test Automation
6 167 (18.17%) OO
7 152 (16.54%) Kanban
8 150 (16.32%) MVC
9 133 (14.47%) Microservices
10 110 (11.97%) Pair Programming
11 103 (11.21%) Multithreading
12 102 (11.10%) DevOps
13 97 (10.55%) Software Engineering
14 95 (10.34%) Mentoring
15 87 (9.47%) SOLID
16 85 (9.25%) Unit Testing
17 81 (8.81%) E-Commerce
18 78 (8.49%) SOA
19 72 (7.83%) Continuous Delivery
20 70 (7.62%) User Stories
Programming Languages
1 372 (40.48%) Java
2 359 (39.06%) JavaScript
3 228 (24.81%) C#
4 219 (23.83%) SQL
5 88 (9.58%) Python
6 51 (5.55%) PHP
7 46 (5.01%) Ruby
7 46 (5.01%) Scala
8 43 (4.68%) T-SQL
9 40 (4.35%) PowerShell
10 37 (4.03%) Apple Swift
11 35 (3.81%) Objective-C
12 29 (3.16%) ES6
13 25 (2.72%) Bash Shell
13 25 (2.72%) TypeScript
14 23 (2.50%) PL/SQL
15 21 (2.29%) Groovy
16 19 (2.07%) Go
17 16 (1.74%) C++
18 12 (1.31%) Perl
Qualifications
1 135 (14.69%) Degree
2 44 (4.79%) Computer Science Degree
3 7 (0.76%) ISEB
3 7 (0.76%) ISTQB
4 6 (0.65%) Microsoft Certification
5 3 (0.33%) MCPD
5 3 (0.33%) MCTS
6 2 (0.22%) ISTQB Advanced Certification
6 2 (0.22%) ISTQB Foundation Certification
6 2 (0.22%) Master's Degree
6 2 (0.22%) OCP
6 2 (0.22%) Oracle Certification
6 2 (0.22%) Sun Certification
7 1 (0.11%) SC Cleared
7 1 (0.11%) Security Cleared
Quality Assurance & Compliance
1 153 (16.65%) QA
2 4 (0.44%) MiFID
3 3 (0.33%) PMO
4 1 (0.11%) GCP
4 1 (0.11%) Section 508
4 1 (0.11%) WCAG
System Software
1 64 (6.96%) Docker
2 9 (0.98%) Active Directory
3 3 (0.33%) Apache ZooKeeper
4 2 (0.22%) VirtualBox
4 2 (0.22%) VMware Infrastructure
5 1 (0.11%) Varnish
5 1 (0.11%) Virtual Machines
5 1 (0.11%) vSphere
Systems Management
1 36 (3.92%) Puppet
2 23 (2.50%) Ansible
3 16 (1.74%) Opscode Chef
4 15 (1.63%) Kubernetes
5 13 (1.41%) Kibana
5 13 (1.41%) logstash
5 13 (1.41%) MOM
6 11 (1.20%) Salt
7 7 (0.76%) HockeyApp
8 5 (0.54%) Terraform
9 2 (0.22%) Mesos
10 1 (0.11%) BladeLogic
10 1 (0.11%) Control-M
10 1 (0.11%) Docker Swarm
10 1 (0.11%) ITRS Geneos
10 1 (0.11%) Nagios
10 1 (0.11%) ZABBIX
Vendors
1 80 (8.71%) Oracle
2 67 (7.29%) Microsoft
3 26 (2.83%) Atlassian
4 22 (2.39%) Google
5 21 (2.29%) PayPal
5 21 (2.29%) Xamarin
6 20 (2.18%) ATG
7 19 (2.07%) Adobe
8 17 (1.85%) New Relic
9 15 (1.63%) Hyperion
9 15 (1.63%) PeopleSoft
9 15 (1.63%) Retek
10 11 (1.20%) Sitecore
11 10 (1.09%) Infragistics
12 9 (0.98%) AppDynamics
12 9 (0.98%) IBM
13 8 (0.87%) InterSystems
13 8 (0.87%) Red Hat
13 8 (0.87%) Splunk
14 7 (0.76%) Coverity
City, London
Oliver Bernard
Salary: £55000 - £65000 per annum + Excellent bonus & benefits
Posted: 14 hours ago
City, London
Dawson & Walsh
Salary: £50000 - £65000 per annum + excellent benefits
Posted: 7 hours ago
City, London
Client Server
Salary: £65k to £80k + bonus + benefits
Posted: 9 hours ago
City, London
ANSON MCCADE
Salary: £60,000 - £78,000 and expansive benefits
Posted: 10 hours ago
City, London
Total Recruitment Specialists Limited / TRG / Total recruitment group
Salary: £55000 - £65000 Per Annum Benefits
Posted: Yesterday
City, London
Oliver Bernard
Salary: £50000 - £70000 per annum + Equity
Posted: Yesterday
City, London
onezeero.
Salary: £45000 - £60000 per annum
Posted: Yesterday
City, London
Talent Point Ltd
Salary: £70000.00 - £75000.00 per annum
Posted: 3 days ago
City, London
Total Recruitment Specialists Limited / TRG / Total recruitment group
Salary: £70000 Per Annum plus excellent benefits
Posted: 2 days ago
City, London
Harris Global
Salary: From £70,000 to £90,000 per annum + bonus and benefits
Posted: 2 days ago
City, London
Oliver Bernard
Salary: £45000 - £65000 per annum + bonus, pension
Posted: Yesterday
City, London
ReThink Recruitment
Salary: £70000.00 - £80000.00 per annum + bonus+benefits
Posted: 10 hours ago
City, London
Harrington Starr
Salary: £40000 - £90000 per annum + Bonus + Competitive Package
Posted: 3 days ago
City, London
ANSON MCCADE
Salary: £50,000 - £60,000 and amazing benefits / options / wellness package
Posted: 10 hours ago
City, London
Oliver Bernard
Salary: £50000 - £60000 per annum + Excellent benefits
Posted: Yesterday
City, London
Client Server
Salary: £40k to £45k + benefits
Posted: 2 days ago
City, London
Client Server
Salary: £60k to £70k + bonus + benefits
Posted: 3 days ago
City, London
Digital Vision Search Ltd
Salary: From £65,000 to £75,000 per annum + Bonus + Excellent Benefits
Posted: 2 days ago
City, London
Venturi
Salary: £50000 - £70000 per annum
Posted: Yesterday
City, London
Client Server
Salary: £55k to £70k + bonus + benefits
Posted: 2 days ago
City, London
I3
Salary: £60000 - £65000 per annum + bonus + extensive benefits
Posted: 2 days ago
City, London
Coded People
Salary: £70000 - £75000 per annum
Posted: 3 days ago
City, London
Total Recruitment Specialists Limited / TRG / Total recruitment group
Salary: £48000 Per Annum Plus Excellent Benefits
Posted: 4 days ago
City, London
Evolution Recruitment Solutions
Salary: 70,000 - 110,000
Posted: 2 days ago
City, London
Client Server
Salary: £40k to £50k + benefits
Posted: 3 days ago
City, London
Bridge Noble
Salary: £60000 - £70000 per annum + benefits + stock options
Posted: 3 days ago
City, London
DCS Recruitment
Salary: £35000 - £85000 per annum + equity
Posted: Yesterday
City, London
Harrington Starr
Salary: £60000 - £75000 per annum
Posted: 3 days ago
City, London
Quant Capital
Salary: Up to £45,000 per annum Bonus Medical Pension
Posted: 2 days ago
City, London
Client Server
Salary: £70k to £80k + bonus + benefits
Posted: Yesterday