The table below looks at the statistics for TDD skills in IT contracts advertised for the Hertfordshire region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 5 December 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
5 Dec 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 10 35 29
Rank change year-on-year
+25 -6
Contract jobs citing TDD 55 23 39
As % of all contract IT jobs located in Hertfordshire 8.62% 3.57% 5.28%
As % of the Processes & Methodologies category 11.34% 4.80% 6.87%
Number of daily rates quoted 41 14 27
Median daily rate £508 £536 £405
Median daily rate % change year-on-year
-5.36% +32.40%
90% offered a daily rate of more than £350 £356 £360
10% offered a daily rate of more than £550 £625 £485
UK excluding London median daily rate £425 £388 £375
% change year-on-year
+9.67% +3.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £36.98 £38.25
% change year-on-year
+14.94% -3.33%
TDD
East of England

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

Processes & Methodologies Category
Hertfordshire
Contract IT job ads with a match in the
Processes & Methodologies category
485 479 568
As % of all contract IT jobs located in Hertfordshire 76.02% 74.26% 76.96%
Number of daily rates quoted 272 245 343
Median daily rate £438 £450 £400
Median daily rate % change year-on-year
-2.77% +12.50%
90% offered a daily rate of more than £263 £278 £261
10% offered a daily rate of more than £568 £575 £525
UK excluding London median daily rate £413 £400 £385
% change year-on-year
+3.12% +3.89%
Number of hourly rates quoted 24 33 24
Median hourly rate £45.00 £27.50 £22.00
Median hourly rate % change year-on-year
+63.63% +25.00%
90% offered a hourly rate of more than £10.60 £11.00 £11.50
10% offered a hourly rate of more than £55.50 £47.00 £41.50
UK excluding London median hourly rate £30.75 £34.95 £25.00
% change year-on-year
-12.01% +39.80%

TDD
Jobs Demand Trend in Hertfordshire

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

TDD Jobs Demand Trend in Hertfordshire

TDD
Daily Rate Trend in Hertfordshire

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

TDD Daily Rate Trend in Hertfordshire

TDD
Daily Rate Histogram in Hertfordshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Hertfordshire region over the 3 months to 5 December 2016.

TDD Daily Rate Histogram in Hertfordshire

TDD
Hourly Rate Trend in Hertfordshire

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

TDD Hourly Rate Trend in Hertfordshire

TDD
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Hertfordshire region over the 3 months to 5 December 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
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Welwyn Garden City - 10 £575 -
Rickmansworth +2 4 £350 -14.63% 1
St Albans 0 4 £525 -16.00% 2
Watford -4 4 £525 +16.66% 6
Letchworth - 2 - - 2
Hertford - 1 - - 1
TDD
East of England

TDD
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 5 December 2016, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Hertfordshire region with a requirement for TDD.

1 73 (94.81%) Agile Software Development
2 58 (75.32%) BDD
3 46 (59.74%) Java
4 41 (53.25%) Scrum
5 25 (32.47%) JIRA
6 21 (27.27%) C#
6 21 (27.27%) Git (software)
7 20 (25.97%) Continuous Integration
7 20 (25.97%) ATDD
8 19 (24.68%) OO
9 18 (23.38%) Finance
10 17 (22.08%) Software Engineering
11 16 (20.78%) DevOps
12 15 (19.48%) Jenkins
12 15 (19.48%) QA
12 15 (19.48%) Spring
12 15 (19.48%) Maven
12 15 (19.48%) .NET
12 15 (19.48%) E-Commerce
13 14 (18.18%) HTML
13 14 (18.18%) SQL Server
13 14 (18.18%) CSS
13 14 (18.18%) Retail
13 14 (18.18%) Pair Programming
13 14 (18.18%) Amazon AWS
14 13 (16.88%) Kanban
14 13 (16.88%) Puppet
14 13 (16.88%) Ansible
14 13 (16.88%) Data Structures
14 13 (16.88%) Algorithms

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 6 (7.79%) Apache Spark
2 4 (5.19%) IIS
3 3 (3.90%) Tomcat
4 2 (2.60%) Elasticsearch
4 2 (2.60%) nginx
5 1 (1.30%) Apache
5 1 (1.30%) CMS
5 1 (1.30%) Confluence
5 1 (1.30%) DNN
5 1 (1.30%) JBoss
Applications
1 2 (2.60%) MS Excel
2 1 (1.30%) MS Office
Business Applications
1 1 (1.30%) Dynamics CRM
Cloud Services
1 14 (18.18%) Amazon AWS
2 1 (1.30%) Microsoft Azure
Communications & Networking
1 3 (3.90%) TCP/IP
2 1 (1.30%) Network Security
Database & Business Intelligence
1 14 (18.18%) SQL Server
2 8 (10.39%) MongoDB
3 7 (9.09%) Apache Cassandra
3 7 (9.09%) MySQL
4 6 (7.79%) NoSQL
5 5 (6.49%) SQL Server 2012
6 4 (5.19%) Relational Database
7 2 (2.60%) Couchbase
7 2 (2.60%) Redis
8 1 (1.30%) Hadoop
8 1 (1.30%) SQL Server 2008
8 1 (1.30%) SQL Server 2014
Development Applications
1 25 (32.47%) JIRA
2 21 (27.27%) Git (software)
3 15 (19.48%) Jenkins
3 15 (19.48%) Maven
4 12 (15.58%) Ant
4 12 (15.58%) Gradle
5 8 (10.39%) JUnit
5 8 (10.39%) Selenium
6 6 (7.79%) Team Foundation Server
7 4 (5.19%) Atlassian Bamboo
7 4 (5.19%) Cucumber
7 4 (5.19%) Moq
7 4 (5.19%) SoapUI
7 4 (5.19%) WebDriver
8 3 (3.90%) FxCop
8 3 (3.90%) Protractor
8 3 (3.90%) ReSharper
8 3 (3.90%) StyleCop
8 3 (3.90%) Vagrant
9 2 (2.60%) NUnit
General
1 18 (23.38%) Finance
2 14 (18.18%) Retail
3 3 (3.90%) Legal
4 1 (1.30%) Back Office
4 1 (1.30%) Front Office
4 1 (1.30%) Telecoms
Job Titles
1 51 (66.23%) Developer
2 33 (42.86%) Java Developer
3 22 (28.57%) Agile Developer
4 21 (27.27%) Agile Java Developer
5 13 (16.88%) Senior Developer
5 13 (16.88%) Senior Java Developer
6 12 (15.58%) .NET Developer
7 11 (14.29%) C# .NET Developer
7 11 (14.29%) C# Developer
7 11 (14.29%) Senior Agile Developer
7 11 (14.29%) Senior Agile Java Developer
8 8 (10.39%) Architect
8 8 (10.39%) ASP.NET Developer
8 8 (10.39%) ASP.NET MVC Developer
8 8 (10.39%) C# ASP.NET Developer
8 8 (10.39%) Lead Developer
9 6 (7.79%) Scrum Master
10 4 (5.19%) Analyst
10 4 (5.19%) Hybris Developer
10 4 (5.19%) Java Engineer
Libraries, Frameworks & Software Standards
1 15 (19.48%) .NET
1 15 (19.48%) Spring
2 14 (18.18%) CSS
2 14 (18.18%) HTML
3 11 (14.29%) ASP.NET
3 11 (14.29%) Hibernate
4 8 (10.39%) .NET Framework
4 8 (10.39%) ASP.NET MVC
4 8 (10.39%) ASP.NET Web API
5 7 (9.09%) Entity Framework
5 7 (9.09%) REST
5 7 (9.09%) RESTful
6 6 (7.79%) J2EE
7 5 (6.49%) SOAP
7 5 (6.49%) Velocity
8 4 (5.19%) LINQ
8 4 (5.19%) NHibernate
8 4 (5.19%) Ruby on Rails
8 4 (5.19%) WCF
8 4 (5.19%) Web Services
Miscellaneous
1 13 (16.88%) Algorithms
1 13 (16.88%) Data Structures
2 3 (3.90%) Contactless
2 3 (3.90%) EMV
3 2 (2.60%) FMCG
3 2 (2.60%) iPad
3 2 (2.60%) User Experience
3 2 (2.60%) Virtual Team
4 1 (1.30%) Analytical Skills
4 1 (1.30%) Computer Science
4 1 (1.30%) Digital Media
Operating Systems
1 2 (2.60%) Linux
Processes & Methodologies
1 73 (94.81%) Agile Software Development
2 58 (75.32%) BDD
3 41 (53.25%) Scrum
4 20 (25.97%) ATDD
4 20 (25.97%) Continuous Integration
5 19 (24.68%) OO
6 17 (22.08%) Software Engineering
7 16 (20.78%) DevOps
8 15 (19.48%) E-Commerce
9 14 (18.18%) Pair Programming
10 13 (16.88%) Complexity Analysis
10 13 (16.88%) Kanban
10 13 (16.88%) MVC
10 13 (16.88%) OOD
11 10 (12.99%) Software Testing
12 8 (10.39%) Non-Functional Testing
12 8 (10.39%) SDLC
13 7 (9.09%) Continuous Delivery
13 7 (9.09%) Test Automation
14 6 (7.79%) Regression Testing
Programming Languages
1 46 (59.74%) Java
2 21 (27.27%) C#
3 12 (15.58%) Go
3 12 (15.58%) JavaScript
4 10 (12.99%) Clojure
4 10 (12.99%) Rust
5 9 (11.69%) SQL
6 5 (6.49%) Scala
7 4 (5.19%) F#
7 4 (5.19%) Haskell
7 4 (5.19%) Ruby
7 4 (5.19%) VBScript
8 2 (2.60%) C++
8 2 (2.60%) Lua
8 2 (2.60%) PHP
8 2 (2.60%) Python
8 2 (2.60%) VB.NET
9 1 (1.30%) T-SQL
Qualifications
1 1 (1.30%) Degree
Quality Assurance & Compliance
1 15 (19.48%) QA
2 1 (1.30%) SDET
System Software
1 3 (3.90%) Docker
Systems Management
1 13 (16.88%) Ansible
1 13 (16.88%) Puppet
2 12 (15.58%) Opscode Chef
Vendors
1 8 (10.39%) Oracle
2 4 (5.19%) Atlassian
2 4 (5.19%) hybris
3 3 (3.90%) Microsoft
4 2 (2.60%) Zend
5 1 (1.30%) CA
Hertfordshire
Spargonet Consulting Plc
Rate: £400 - £450 per annum
Posted: Yesterday
Hertfordshire
Vivid Resourcing
Rate: £375 - £400 per day
Posted: 3 days ago
Hatfield, Hertfordshire
Oliver Bernard
Rate: £500 - £550 per day
Posted: 5 days ago
Hertford, Hertfordshire
Opus Recruitment Solutions Ltd
Rate: Negotiable
Posted: 3 days ago
Watford, Hertfordshire
ARC IT Recruitment Ltd
Rate: £Market Rates
Posted: 5 days ago
Watford, Hertfordshire
Oliver Bernard
Rate: £500 - £550 per day
Posted: 6 days ago
Hertfordshire
Staffworx Ltd
Rate: excellent rates
Posted: 4 days ago