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 28 March 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
London / City of London
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 24 18 30
Rank change year-on-year -6 +12  
Permanent jobs citing TDD 417 668 658
As % of all permanent IT jobs advertised in the City of London 8.13% 9.36% 6.30%
As % of the Processes & Methodologies category 8.99% 10.36% 7.18%
Number of salaries quoted 389 605 580
Median salary £62,500 £57,500 £55,000
Median salary % change year-on-year +8.69% +4.54%  
90% offered a salary of more than £42,500 £45,000 £42,500
10% offered a salary of more than £80,500 £80,000 £70,000
UK excluding London median salary £45,000 £45,000 £40,500
% change year-on-year - +11.11%  

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 4641 6448 9164
As % of all permanent IT job vacancies advertised in the City of London 90.52% 90.31% 87.80%
Number of salaries quoted 4239 5742 7723
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 £41,000 £42,000 £37,500
10% offered a salary of more than £85,000 £82,500 £85,000
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

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 28 March 2017.

Salary histogram for TDD in the City of London

TDD
Top 30 Co-occurring IT Skills in the City of London

For the 6 months to 28 March 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.

1 632 (75.24%) Agile Software Development
2 388 (46.19%) Java
3 355 (42.26%) BDD
4 341 (40.60%) JavaScript
5 264 (31.43%) SQL
6 263 (31.31%) Scrum
7 231 (27.50%) C#
8 225 (26.79%) HTML
9 212 (25.24%) Continuous Integration
10 207 (24.64%) .NET
11 196 (23.33%) Finance
12 168 (20.00%) CSS
13 165 (19.64%) AngularJS
14 149 (17.74%) MVC
15 146 (17.38%) Git (software)
16 138 (16.43%) SQL Server
17 129 (15.36%) OO
18 116 (13.81%) Kanban
19 110 (13.10%) Jenkins
20 108 (12.86%) Microservices
20 108 (12.86%) QA
21 105 (12.50%) Degree
21 105 (12.50%) Oracle
22 104 (12.38%) Node.js
23 101 (12.02%) NoSQL
24 99 (11.79%) HTML5
24 99 (11.79%) ASP.NET
24 99 (11.79%) Spring
25 98 (11.67%) jQuery
26 93 (11.07%) Amazon AWS

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 54 (6.43%) Tomcat
2 51 (6.07%) Apache
3 40 (4.76%) Elasticsearch
4 37 (4.40%) Apache Spark
5 27 (3.21%) WebSphere
6 26 (3.10%) CMS
7 24 (2.86%) Confluence
8 18 (2.14%) JBoss
9 14 (1.67%) Jetty
10 13 (1.55%) Apache Solr
11 12 (1.43%) Adobe Experience Manager
12 11 (1.31%) Umbraco
13 10 (1.19%) IIS
14 9 (1.07%) OpenStack
14 9 (1.07%) WebLogic
15 8 (0.95%) Sitecore CMS
16 6 (0.71%) Cloud Foundry
16 6 (0.71%) NServiceBus
17 4 (0.48%) Oracle SOA Suite
18 3 (0.36%) Drupal
Applications
1 7 (0.83%) MS Excel
Business Applications
1 15 (1.79%) Oracle Financials
1 15 (1.79%) Oracle Retail
1 15 (1.79%) PeopleSoft Financials
2 4 (0.48%) Magento
2 4 (0.48%) RMDS
3 2 (0.24%) Payment Gateway
4 1 (0.12%) SAP Oil and Gas
Cloud Services
1 93 (11.07%) Amazon AWS
2 47 (5.60%) Microsoft Azure
3 16 (1.90%) GitHub
4 14 (1.67%) SaaS
5 10 (1.19%) Cloud Computing
6 8 (0.95%) TestFlight
7 6 (0.71%) Amazon EC2
8 5 (0.60%) Google Cloud Platform
9 4 (0.48%) AWS Elastic Beanstalk
9 4 (0.48%) PaaS
10 3 (0.36%) AWS Lambda
10 3 (0.36%) Trello
11 2 (0.24%) Adobe Creative Cloud
11 2 (0.24%) Amazon S3
11 2 (0.24%) Heroku
12 1 (0.12%) Amazon SQS
12 1 (0.12%) AWS CloudFormation
12 1 (0.12%) Datadog
12 1 (0.12%) Google Play
12 1 (0.12%) Linode
Communications & Networking
1 31 (3.69%) HTTP
2 24 (2.86%) Internet
3 9 (1.07%) AMQP
4 8 (0.95%) DNS
5 2 (0.24%) FTP
6 1 (0.12%) FIX Connectivity
6 1 (0.12%) iSCSI
6 1 (0.12%) SAN
6 1 (0.12%) TCP/IP
Database & Business Intelligence
1 138 (16.43%) SQL Server
2 101 (12.02%) NoSQL
3 84 (10.00%) MySQL
4 57 (6.79%) MongoDB
5 43 (5.12%) Big Data
5 43 (5.12%) Relational Database
6 34 (4.05%) Hadoop
7 21 (2.50%) Apache Cassandra
7 21 (2.50%) Redis
8 20 (2.38%) PostgreSQL
9 14 (1.67%) Couchbase
9 14 (1.67%) DB2
10 13 (1.55%) SQL Server 2008
11 11 (1.31%) Azure SQL Database
11 11 (1.31%) Data Warehouse
12 10 (1.19%) Apache Hive
13 9 (1.07%) Riak
13 9 (1.07%) SQL Server 2012
14 8 (0.95%) RDBMS
15 7 (0.83%) Text Mining
Development Applications
1 146 (17.38%) Git (software)
2 110 (13.10%) Jenkins
3 84 (10.00%) Maven
4 80 (9.52%) Selenium
5 61 (7.26%) Cucumber
6 60 (7.14%) JIRA
7 52 (6.19%) WebDriver
8 48 (5.71%) JUnit
9 47 (5.60%) NUnit
10 39 (4.64%) TeamCity
11 36 (4.29%) Octopus Deploy
12 32 (3.81%) Subversion
13 31 (3.69%) Jasmine
13 31 (3.69%) Mockito
14 30 (3.57%) Team Foundation Server
15 26 (3.10%) SpecFlow
16 23 (2.74%) MSTest
17 22 (2.62%) JMeter
18 19 (2.26%) Gatling
19 16 (1.90%) Appium
General
1 196 (23.33%) Finance
2 91 (10.83%) Banking
3 52 (6.19%) Retail
4 37 (4.40%) Advertising
5 32 (3.81%) Investment Banking
6 30 (3.57%) Marketing
7 26 (3.10%) Front Office
8 21 (2.50%) Legal
9 20 (2.38%) Publishing
10 16 (1.90%) Telecoms
11 14 (1.67%) Games
12 9 (1.07%) Manufacturing
13 6 (0.71%) Financial Institution
14 3 (0.36%) Aerospace
15 2 (0.24%) Law
16 1 (0.12%) Automotive
16 1 (0.12%) Back Office
16 1 (0.12%) Electronics
16 1 (0.12%) Pharmaceutical
16 1 (0.12%) Polish Language
Job Titles
1 615 (73.21%) Developer
2 224 (26.67%) Java Developer
3 155 (18.45%) Senior Developer
4 131 (15.60%) C# Developer
5 123 (14.64%) .NET Developer
6 83 (9.88%) C# .NET Developer
7 54 (6.43%) Architect
8 53 (6.31%) JavaScript Developer
8 53 (6.31%) Lead Developer
9 51 (6.07%) Senior Java Developer
10 50 (5.95%) Java Engineer
11 47 (5.60%) Agile Developer
12 39 (4.64%) Senior C# Developer
13 37 (4.40%) E-Commerce Developer
14 36 (4.29%) Front End Developer (Client-Side Developer)
14 36 (4.29%) Software Engineer
15 34 (4.05%) Junior
16 33 (3.93%) Senior .NET Developer
16 33 (3.93%) Technical Architect
17 32 (3.81%) Junior Developer
Libraries, Frameworks & Software Standards
1 225 (26.79%) HTML
2 207 (24.64%) .NET
3 168 (20.00%) CSS
4 165 (19.64%) AngularJS
5 104 (12.38%) Node.js
6 99 (11.79%) ASP.NET
6 99 (11.79%) HTML5
6 99 (11.79%) Spring
7 98 (11.67%) jQuery
8 90 (10.71%) REST
9 85 (10.12%) Web Services
10 71 (8.45%) ASP.NET MVC
11 70 (8.33%) React
12 66 (7.86%) WCF
13 64 (7.62%) .NET Framework
14 62 (7.38%) CSS3
15 60 (7.14%) J2EE
16 56 (6.67%) ASP.NET Web API
17 52 (6.19%) Entity Framework
17 52 (6.19%) WPF
Miscellaneous
1 93 (11.07%) Fintech
2 72 (8.57%) Computer Science
3 68 (8.10%) Mobile App
4 50 (5.95%) Client/Server
5 41 (4.88%) User Experience
6 33 (3.93%) Algorithms
6 33 (3.93%) Analytical Skills
7 24 (2.86%) Enterprise Software
8 10 (1.19%) Blog
8 10 (1.19%) Equities
8 10 (1.19%) N-Tier
8 10 (1.19%) Social Media
9 8 (0.95%) Management Information System
9 8 (0.95%) Public Cloud
10 7 (0.83%) Animation
10 7 (0.83%) Foreign Exchange (FX)
11 6 (0.71%) Bitcoin
11 6 (0.71%) Data Structures
12 5 (0.60%) Digital Media
13 4 (0.48%) Photography
Operating Systems
1 66 (7.86%) Android
2 61 (7.26%) Apple iOS
3 55 (6.55%) Linux
4 27 (3.21%) Windows
5 18 (2.14%) Unix
6 1 (0.12%) Windows Server 2012
Processes & Methodologies
1 632 (75.24%) Agile Software Development
2 355 (42.26%) BDD
3 263 (31.31%) Scrum
4 212 (25.24%) Continuous Integration
5 149 (17.74%) MVC
6 129 (15.36%) OO
7 116 (13.81%) Kanban
8 108 (12.86%) Microservices
9 93 (11.07%) E-Commerce
10 89 (10.60%) Mentoring
10 89 (10.60%) Software Engineering
11 83 (9.88%) Multithreading
12 80 (9.52%) Pair Programming
13 76 (9.05%) Unit Testing
14 72 (8.57%) Front End Development
14 72 (8.57%) SOA
15 66 (7.86%) DevOps
16 58 (6.90%) SOLID
17 54 (6.43%) Continuous Delivery
18 53 (6.31%) Waterfall
Programming Languages
1 388 (46.19%) Java
2 341 (40.60%) JavaScript
3 264 (31.43%) SQL
4 231 (27.50%) C#
5 72 (8.57%) Python
6 56 (6.67%) Scala
7 39 (4.64%) PL/SQL
8 37 (4.40%) PHP
9 36 (4.29%) Ruby
9 36 (4.29%) T-SQL
10 23 (2.74%) Objective-C
11 22 (2.62%) Apple Swift
11 22 (2.62%) Bash Shell
12 20 (2.38%) C++
13 18 (2.14%) Go
14 17 (2.02%) TypeScript
14 17 (2.02%) VB.NET
15 16 (1.90%) ES6
16 14 (1.67%) Perl
17 11 (1.31%) PowerShell
Qualifications
1 105 (12.50%) Degree
2 7 (0.83%) Microsoft Certification
3 6 (0.71%) ISTQB
4 3 (0.36%) ISEB
4 3 (0.36%) MCPD
4 3 (0.36%) MCTS
5 2 (0.24%) ISTQB Advanced Certification
5 2 (0.24%) OCP
5 2 (0.24%) Oracle Certification
6 1 (0.12%) MCSA
6 1 (0.12%) MCSE
6 1 (0.12%) PhD
6 1 (0.12%) Postgraduate
6 1 (0.12%) Sun Certification
6 1 (0.12%) VCP5
6 1 (0.12%) VCP6
6 1 (0.12%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 108 (12.86%) QA
2 6 (0.71%) MiFID
3 3 (0.36%) SDET
4 2 (0.24%) PMO
5 1 (0.12%) GCP
5 1 (0.12%) Section 508
5 1 (0.12%) WCAG
System Software
1 55 (6.55%) Docker
2 9 (1.07%) Apache ZooKeeper
3 7 (0.83%) HDFS
4 1 (0.12%) Apache Flume
4 1 (0.12%) Hyper-V
4 1 (0.12%) NFS
4 1 (0.12%) Virtual Machines
4 1 (0.12%) VMware Infrastructure
Systems Management
1 43 (5.12%) Puppet
2 32 (3.81%) Opscode Chef
3 26 (3.10%) Ansible
4 11 (1.31%) Kibana
4 11 (1.31%) logstash
5 10 (1.19%) Kubernetes
5 10 (1.19%) MOM
5 10 (1.19%) Salt
6 6 (0.71%) Mesos
7 4 (0.48%) Marathon
8 3 (0.36%) Terraform
9 2 (0.24%) Rancher
10 1 (0.12%) Dokku
10 1 (0.12%) HP Quality Center
10 1 (0.12%) ITRS Geneos
10 1 (0.12%) Nagios
10 1 (0.12%) SCCM
10 1 (0.12%) SCOM
10 1 (0.12%) ZABBIX
Vendors
1 105 (12.50%) Oracle
2 39 (4.64%) PayPal
3 32 (3.81%) Microsoft
4 23 (2.74%) Google
5 22 (2.62%) Adobe
5 22 (2.62%) ATG
6 15 (1.79%) Hyperion
6 15 (1.79%) PeopleSoft
6 15 (1.79%) Retek
7 13 (1.55%) hybris
7 13 (1.55%) Xamarin
8 10 (1.19%) New Relic
8 10 (1.19%) Sitecore
8 10 (1.19%) Tableau
9 9 (1.07%) Coverity
10 8 (0.95%) InterSystems
10 8 (0.95%) Red Hat
11 7 (0.83%) IBM
12 6 (0.71%) Atlassian
13 5 (0.60%) Zend
City, London
Digital Vision Search Ltd
Salary: From £45,000 to £55,000 per annum + Bonus + Excellent Benefits
Posted: 1 hour ago
City, London
Digital Vision Search Ltd
Salary: From £65,000 to £70,000 per annum + Bonus + Excellent Benefits
Posted: 1 hour ago
City, London
AdRoc Group
Salary: From £65,000 to £75,000 per annum + Benefits
Posted: 1 hour ago
City, London
Arrows Group
Salary: £80000 - £95000 per annum + Bonus, Pension, Private Healthcare
Posted: 2 hours ago
City, London
Tiro Partners
Salary: £50000 - £70000 per annum
Posted: 21 hours ago
City, London
Arrows Group
Salary: £60000 - £70000 per annum + car, pension, bonus, etc
Posted: 20 hours ago
City, London
Oliver Bernard
Salary: £60000 - £75000 per annum + Excellent bonus & benefits
Posted: Yesterday
City, London
Coded People
Salary: £70000 - £75000 per annum
Posted: Yesterday
City, London
Digital Gurus
Salary: £45000 - £80000 per annum + Benefits
Posted: 19 hours ago
City, London
I3
Salary: £60000 - £65000 per annum + bonus + extensive benefits
Posted: Yesterday
City, London
Understanding Recruitment
Salary: £55000.00 - £65000.00 per annum + Bens - Share Options
Posted: Yesterday
City, London
Oliver Bernard
Salary: £70000 - £80000 per annum + Excellent benefits
Posted: 2 days ago
City, London
Hatstand Limited
Salary: £35000 - £45000 per annum + Bonus, Pension, Training
Posted: Yesterday
City, London
Oliver Bernard
Salary: £85000 - £95000 per annum + bonus, pension, healthcare
Posted: 18 hours ago
City, London
Brightred Resourcing Limited
Salary: From £30,000 to £35,000 per annum Private medical, Life assurance, Pen
Posted: Yesterday
City, London
Reco Ltd
Salary: Up to £80,000 + Bonus
Posted: 3 days ago
City, London
Intelletec
Salary: From £80,000 to £100,000 per annum
Posted: 3 days ago
City, London
Oliver Bernard
Salary: £60000 - £70000 per annum + Excellent benefits
Posted: Yesterday
City, London
Understanding Recruitment
Salary: £75000 - £90000 per annum + Benefits
Posted: Yesterday
City, London
Understanding Recruitment
Salary: £65000.00 - £80000.00 per annum + Bonus, Pens, Health etc
Posted: Yesterday
City, London
TLP Consultancy Ltd.
Salary: £50000 - £55000 per annum
Posted: 22 hours ago
City, London
Talent Point Ltd
Salary: £60000.00 - £75000.00 per annum
Posted: 3 days ago
City, London
Bridge Noble
Salary: £65000 - £80000 per annum + benefits + stock options
Posted: 2 days ago
City, London
Greywood Associates Limited
Salary: £50000 - £60000 per annum + bens
Posted: 17 hours ago
City, London
Harrington Starr
Salary: £60000 - £75000 per annum + bonus + benefits
Posted: 3 days ago
City, London
Harvey Nash plc
Salary: £50000 per annum
Posted: Yesterday
City, London
ARC IT Recruitment Ltd
Salary: £45,000 per annum
Posted: 3 days ago
City, London
Oliver Bernard
Salary: £60000 - £100000 per annum
Posted: 5 days ago
City, London
Talent Point Ltd
Salary: £50000 - £70000 per annum
Posted: 3 days ago
City, London
Asset Resourcing Ltd
Salary: £55000 - £60000 per annum + full benefits (incl bupa, gym etc)
Posted: Yesterday