The table below looks at the statistics for TDD skills in IT jobs advertised for the Hertfordshire region. Included is a guide to the salaries offered in IT jobs that have cited TDD over the 3 months to 25 May 2016 with a comparison to the same period over the previous 2 years.

3 months to
25 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 64 30 34
Rank change year-on-year
-34 +4
Permanent jobs citing TDD 78 195 158
As % of all permanent IT jobs located in Hertfordshire 3.78% 8.68% 6.25%
As % of the Processes & Methodologies category 4.47% 10.94% 7.84%
Number of salaries quoted 77 183 150
Median salary £60,000 £50,000 £50,000
Median salary % change year-on-year
+20.00% -
90% offered a salary of more than £40,000 £35,000 £35,000
10% offered a salary of more than £72,500 £65,000 £62,500
UK excluding London median salary £44,000 £42,500 £40,000
% change year-on-year
+3.52% +6.25%
TDD
East of England

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in permanent jobs advertised in the Hertfordshire region.

Processes & Methodologies Category
Hertfordshire
Permanent IT job ads with a match in the
Processes & Methodologies category
1745 1782 2016
As % of all permanent IT jobs located in Hertfordshire 84.50% 79.31% 79.81%
Number of salaries quoted 1434 1405 1624
Median salary £50,000 £50,000 £47,500
Median salary % change year-on-year
- +5.26%
90% offered a salary of more than £33,500 £31,000 £32,500
10% offered a salary of more than £72,500 £70,000 £67,500
UK excluding London median salary £45,000 £44,000 £42,500
% change year-on-year
+2.27% +3.52%

TDD
Jobs Demand Trend in Hertfordshire

The demand trend of job ads across the Hertfordshire region citing TDD as a proportion of all IT jobs with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Hertfordshire

TDD
Salary Trend in Hertfordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD across the Hertfordshire region.

TDD Salary Trend in Hertfordshire

TDD
Salary Histogram in Hertfordshire

This chart provides a salary histogram for IT jobs citing TDD across the Hertfordshire region over the 3 months to 25 May 2016.

TDD Salary Histogram in Hertfordshire

TDD
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the Hertfordshire region over the 3 months to 25 May 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
St Albans -4 18 £65,000 +18.18% 4
Rickmansworth +17 11 £42,500 -37.95%
Watford -16 8 £47,500 - 4
Harpenden - 5 £60,000 -
Hertford - 5 £65,000 -
Letchworth -5 4 £33,500 +8.06% 1
Bishop's Stortford - 2 £42,500 -
Kings Langley -8 1 - -
TDD
East of England

TDD
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 25 May 2016, 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 Hertfordshire region with a requirement for TDD.

1 183 (92.89%) Agile Software Development
2 127 (64.47%) C#
3 125 (63.45%) .NET
4 109 (55.33%) BDD
5 108 (54.82%) ASP.NET
6 107 (54.31%) MVC
7 99 (50.25%) JavaScript
8 94 (47.72%) SQL Server
9 92 (46.70%) Scrum
10 88 (44.67%) ASP.NET MVC
11 87 (44.16%) RESTful
12 85 (43.15%) WCF
12 85 (43.15%) ASP.NET Web API
13 83 (42.13%) HTML
13 83 (42.13%) SQL
14 81 (41.12%) XML
15 65 (32.99%) Java
16 63 (31.98%) NoSQL
17 62 (31.47%) ASP.NET MVC 5
17 62 (31.47%) Git (software)
18 59 (29.95%) CSS
19 58 (29.44%) Node.js
20 54 (27.41%) Ajax
21 50 (25.38%) SQL Server 2014
22 49 (24.87%) Web Services
23 48 (24.37%) Software Engineering
24 47 (23.86%) Web Application Development
25 46 (23.35%) HTML5
25 46 (23.35%) Ruby
26 43 (21.83%) Unit Testing

TDD
Top Related IT Skills in Hertfordshire 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 58 (29.44%) Node.js
2 20 (10.15%) IIS
3 18 (9.14%) NServiceBus
4 8 (4.06%) Elasticsearch
5 6 (3.05%) WebLogic
6 4 (2.03%) CMS
7 2 (1.02%) Drupal
7 2 (1.02%) Tomcat
7 2 (1.02%) WebLogic Portal
7 2 (1.02%) WebSphere
7 2 (1.02%) WordPress
8 1 (0.51%) JBoss
8 1 (0.51%) Mule ESB
8 1 (0.51%) nginx
8 1 (0.51%) Oracle Service Bus
8 1 (0.51%) Oracle SOA Suite
Applications
1 27 (13.71%) MS Excel
2 2 (1.02%) MS Office
2 2 (1.02%) Photoshop
Business Applications
1 3 (1.52%) SAP Oil and Gas
2 1 (0.51%) Dynamics CRM
2 1 (0.51%) ResourceLink
Cloud Services
1 7 (3.55%) Microsoft Azure
2 6 (3.05%) GitHub
2 6 (3.05%) OpenShift
3 4 (2.03%) Amazon AWS
4 1 (0.51%) Heroku
4 1 (0.51%) SuccessFactors
Communications & Networking
1 18 (9.14%) Wireshark
2 13 (6.60%) Internet
3 1 (0.51%) 3GPP
3 1 (0.51%) LTE
3 1 (0.51%) Wireless
Database & Business Intelligence
1 94 (47.72%) SQL Server
2 63 (31.98%) NoSQL
3 50 (25.38%) SQL Server 2014
4 24 (12.18%) MongoDB
5 23 (11.68%) RavenDB
6 14 (7.11%) Redis
7 6 (3.05%) Couchbase
7 6 (3.05%) Oracle Database
8 5 (2.54%) Apache Cassandra
8 5 (2.54%) Relational Database
9 4 (2.03%) MySQL
10 3 (1.52%) Oracle Database 10g
10 3 (1.52%) Oracle Database 12c
11 2 (1.02%) Data Mining
11 2 (1.02%) PostgreSQL
12 1 (0.51%) Amazon DynamoDB
12 1 (0.51%) DB2
12 1 (0.51%) SQL Server 2008
Development Applications
1 62 (31.47%) Git (software)
2 41 (20.81%) NUnit
3 37 (18.78%) JIRA
4 32 (16.24%) TeamCity
5 26 (13.20%) Subversion
6 23 (11.68%) JUnit
6 23 (11.68%) Selenium
7 18 (9.14%) Fiddler
8 17 (8.63%) Maven
9 15 (7.61%) WebDriver
10 13 (6.60%) JBehave
11 11 (5.58%) Moq
12 10 (5.08%) Jenkins
12 10 (5.08%) Team Foundation Server
13 8 (4.06%) Cucumber
13 8 (4.06%) Rhino Mocks
14 6 (3.05%) JIRA Agile
15 4 (2.03%) Bitbucket
15 4 (2.03%) MSTest
15 4 (2.03%) ReSharper
General
1 34 (17.26%) Finance
2 14 (7.11%) Games
3 5 (2.54%) Marketing
3 5 (2.54%) Retail
4 4 (2.03%) Banking
5 3 (1.52%) Electronics
5 3 (1.52%) Manufacturing
5 3 (1.52%) Telecoms
6 2 (1.02%) Law
7 1 (0.51%) Automotive
Job Titles
1 160 (81.22%) Developer
2 107 (54.31%) .NET Developer
3 84 (42.64%) C# Developer
4 72 (36.55%) C# .NET Developer
5 52 (26.40%) ASP.NET Developer
6 49 (24.87%) C# ASP.NET Developer
7 42 (21.32%) ASP.NET MVC Developer
8 32 (16.24%) C# Software Developer
9 27 (13.71%) Java Developer
10 25 (12.69%) Social Media Developer
11 24 (12.18%) Senior Developer
12 22 (11.17%) .NET Software Developer
12 22 (11.17%) Software Developer
13 21 (10.66%) Senior .NET Developer
14 19 (9.64%) Senior C# .NET Developer
14 19 (9.64%) Senior C# Developer
15 17 (8.63%) Senior ASP.NET Developer
16 16 (8.12%) Software Engineer
17 15 (7.61%) .NET Software Engineer
17 15 (7.61%) C# Software Engineer
Libraries, Frameworks & Software Standards
1 125 (63.45%) .NET
2 108 (54.82%) ASP.NET
3 88 (44.67%) ASP.NET MVC
4 87 (44.16%) RESTful
5 85 (43.15%) ASP.NET Web API
5 85 (43.15%) WCF
6 83 (42.13%) HTML
7 81 (41.12%) XML
8 62 (31.47%) ASP.NET MVC 5
9 59 (29.95%) CSS
10 54 (27.41%) Ajax
11 49 (24.87%) Web Services
12 46 (23.35%) HTML5
13 40 (20.30%) .NET Framework
13 40 (20.30%) Entity Framework
13 40 (20.30%) jQuery
14 33 (16.75%) RabbitMQ
14 33 (16.75%) REST
15 29 (14.72%) AngularJS
15 29 (14.72%) XSLT
Miscellaneous
1 25 (12.69%) BBC
1 25 (12.69%) Social Media
2 13 (6.60%) RIA
3 12 (6.09%) Enterprise Software
4 11 (5.58%) Analytical Skills
5 8 (4.06%) Mathematics
6 6 (3.05%) Computer Science
7 3 (1.52%) Streaming Music
8 2 (1.02%) Blog
9 1 (0.51%) Algorithms
9 1 (0.51%) Data Structures
9 1 (0.51%) Field-Programmable Gate Array
9 1 (0.51%) Fintech
9 1 (0.51%) Verilog
9 1 (0.51%) VHDL
Operating Systems
1 17 (8.63%) Windows
2 16 (8.12%) Windows Server
3 3 (1.52%) Android
3 3 (1.52%) Apple iOS
3 3 (1.52%) Linux
4 1 (0.51%) Embedded Linux
Processes & Methodologies
1 183 (92.89%) Agile Software Development
2 109 (55.33%) BDD
3 107 (54.31%) MVC
4 92 (46.70%) Scrum
5 48 (24.37%) Software Engineering
6 47 (23.86%) Web Application Development
7 43 (21.83%) Unit Testing
8 40 (20.30%) OO
9 39 (19.80%) Web Development
10 29 (14.72%) Continuous Improvement
11 28 (14.21%) Continuous Integration
12 27 (13.71%) Software Testing
13 25 (12.69%) Pair Programming
14 23 (11.68%) Dependency Injection
15 22 (11.17%) SOA
15 22 (11.17%) Test Automation
16 20 (10.15%) Automated Testing
17 17 (8.63%) Multithreading
18 16 (8.12%) OOD
18 16 (8.12%) Open Source
Programming Languages
1 127 (64.47%) C#
2 99 (50.25%) JavaScript
3 83 (42.13%) SQL
4 65 (32.99%) Java
5 46 (23.35%) Ruby
6 19 (9.64%) T-SQL
7 18 (9.14%) PowerShell
8 8 (4.06%) Objective-C
9 3 (1.52%) ES6
9 3 (1.52%) PL/SQL
9 3 (1.52%) VBScript
10 2 (1.02%) C++
10 2 (1.02%) Erlang
10 2 (1.02%) F#
10 2 (1.02%) PHP
10 2 (1.02%) Python
10 2 (1.02%) VBA
11 1 (0.51%) C
11 1 (0.51%) Embedded C
11 1 (0.51%) Scala
Qualifications
1 24 (12.18%) Degree
2 4 (2.03%) ISEB
3 2 (1.02%) ISTQB
3 2 (1.02%) Microsoft Certification
4 1 (0.51%) PhD
Quality Assurance & Compliance
1 18 (9.14%) QA
2 9 (4.57%) SDET
3 1 (0.51%) SLA
System Software
1 1 (0.51%) Docker
1 1 (0.51%) Firmware
Systems Management
1 7 (3.55%) Puppet
2 1 (0.51%) Ansible
2 1 (0.51%) Opscode Chef
Vendors
1 41 (20.81%) Microsoft
2 34 (17.26%) Oracle
3 25 (12.69%) Apple
3 25 (12.69%) Facebook
3 25 (12.69%) Google
3 25 (12.69%) Sony
3 25 (12.69%) Yahoo!
4 4 (2.03%) SAP
4 4 (2.03%) Twitter
5 3 (1.52%) Atlassian
5 3 (1.52%) IBM
6 2 (1.02%) BEA
6 2 (1.02%) hybris
6 2 (1.02%) Talend
7 1 (0.51%) Fiorano
7 1 (0.51%) ForgeRock
7 1 (0.51%) TIBCO
Stevenage, Hertfordshire
Applause IT Innovation
Salary: £20000 - £30000 per annum + Bonus + Benefits
Posted: 1 hour ago
Watford, Hertfordshire
Verticality Ltd
Salary: £40000 - £50000 per annum, Benefits Bonus + Benefits Package
Posted: 1 hour ago
Hertfordshire
Volt
Salary: £65000 - £70000 per annum + bonus healthcare pension
Posted: Yesterday
Watford, Hertfordshire
Dawson & Walsh
Salary: £35000 - £60000 per annum + Bonus + Pension + Benefits
Posted: 2 days ago
St. Albans, Hertfordshire
Dawson & Walsh
Salary: £30000 - £40000 per annum + Bonus + Pension + Benefits
Posted: 2 days ago
St. Albans, Hertfordshire
Dawson & Walsh
Salary: £40000 - £80000 per annum + Bonus + Pension + Benefits
Posted: 2 days ago
St. Albans, Hertfordshire
Understanding Recruitment
Salary: £35000 - £50000 per annum + benefits
Posted: 3 days ago
St. Albans, Hertfordshire
Understanding Recruitment
Salary: £30000 - £34000 per annum + Benefits
Posted: 3 days ago
Letchworth Garden City, Hertfordshire
Understanding Recruitment
Salary: £30000 - £37000 per annum + benefits
Posted: 3 days ago
Watford, Hertfordshire
SPS Resourcing
Salary: From £70,000 to £88,000 per annum includes Bonus & Benefits
Posted: 3 days ago
Watford
Nixor
Salary: £70,000 - £75,000 per year
Posted: 14 days ago