Period
to 22 November 2017

The following table provides summary statistics for contract job vacancies advertised in Cambridgeshire with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 22 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
East of England > Cambridgeshire
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 13 22 34
Rank change year-on-year +9 +12 +1
Contract jobs citing TDD 126 76 84
As % of all contract IT jobs advertised in Cambridgeshire 8.87% 6.76% 5.38%
As % of the Processes & Methodologies category 10.63% 8.25% 6.79%
Number of daily rates quoted 67 22 52
Cambridgeshire median daily rate £363 £381 £401
Median daily rate % change year-on-year -4.92% -4.98% +0.31%
10th Percentile £310 £278 £313
90th Percentile £500 £474 £518
East of England median daily rate £485 £475 £413
% change year-on-year +2.11% +15.15% +3.13%
Number of hourly rates quoted 0 3 2
Cambridgeshire median hourly rate - £40.00 £45.00
Median hourly rate % change year-on-year - -11.11% -
East of England median hourly rate £62.50 £36.51 £37.45
% change year-on-year +71.19% -2.51% -

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Cambridgeshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Cambridgeshire
Contract vacancies with a requirement for process or methodology skills 1185 921 1238
As % of all contract IT jobs advertised in Cambridgeshire 83.39% 81.94% 79.31%
Number of daily rates quoted 597 436 738
Cambridgeshire median daily rate £375 £388 £385
Median daily rate % change year-on-year -3.23% +0.65% +6.21%
10th Percentile £223 £213 £258
90th Percentile £538 £550 £538
East of England median daily rate £425 £400 £400
% change year-on-year +6.25% - +6.67%
Number of hourly rates quoted 116 94 82
Cambridgeshire median hourly rate £39.00 £37.50 £17.75
Median hourly rate % change year-on-year +4.00% +111.27% -35.45%
10th Percentile £11.88 £13.58 £11.50
90th Percentile £49.75 £47.50 £51.13
East of England median hourly rate £31.50 £32.00 £23.75
% change year-on-year -1.56% +34.74% -1.53%

TDD
Job Vacancy Trend in Cambridgeshire

Job postings citing TDD as a percentage of all IT jobs advertised in Cambridgeshire.

Job vacancy trend for TDD in Cambridgeshire

TDD
Contractor Daily Rate Trend in Cambridgeshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Cambridgeshire.

Contractor daily rate trend for TDD in Cambridgeshire

TDD
Contractor Daily Rate Histogram in Cambridgeshire

The daily rate distribution of IT jobs citing TDD in Cambridgeshire over the 6 months to 22 November 2017.

Contractor daily rate histogram for TDD in Cambridgeshire

TDD
Contractor Hourly Rate Trend in Cambridgeshire

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

Contractor hourly rate trend for TDD in Cambridgeshire

TDD
Contract Job Locations in Cambridgeshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Cambridgeshire region over the 6 months to 22 November 2017. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Peterborough +2 23 £340 +18.26% 8
Cambridge -17 23 £363 -7.94% 17
TDD
East of England

For the 6 months to 22 November 2017, 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 Cambridgeshire region with a requirement for TDD.

1 124 (98.41%) Agile Software Development
2 97 (76.98%) .NET
3 82 (65.08%) C#
4 65 (51.59%) Node.js
5 64 (50.79%) Docker
6 53 (42.06%) E-Commerce
7 40 (31.75%) Microservices
8 38 (30.16%) JavaScript
9 28 (22.22%) Pair Programming
10 27 (21.43%) MongoDB
11 24 (19.05%) Continuous Integration
11 24 (19.05%) Amazon AWS
12 22 (17.46%) .NET Core
13 21 (16.67%) NoSQL
13 21 (16.67%) SQL Server
14 20 (15.87%) BDD
15 19 (15.08%) Microsoft Azure
16 18 (14.29%) JSON
17 17 (13.49%) WCF
17 17 (13.49%) CSS
17 17 (13.49%) MVC
17 17 (13.49%) REST
18 16 (12.70%) SDLC
18 16 (12.70%) OO
19 15 (11.90%) Microsoft
19 15 (11.90%) Git (software)
20 14 (11.11%) Team Foundation Server
20 14 (11.11%) React
20 14 (11.11%) Java
21 11 (8.73%) SOLID

TDD
Co-occurring IT Skills in Cambridgeshire 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 2 (1.59%) CMS
2 1 (0.79%) Confluence
2 1 (0.79%) Mule
2 1 (0.79%) Mule ESB
2 1 (0.79%) Oracle SOA Suite
2 1 (0.79%) Sitecore CMS
Business Applications
1 2 (1.59%) Oracle ERP
1 2 (1.59%) Payment Gateway
2 1 (0.79%) Oracle EBS R12
2 1 (0.79%) Oracle SCM
Cloud Services
1 24 (19.05%) Amazon AWS
2 19 (15.08%) Microsoft Azure
3 9 (7.14%) Google Analytics
3 9 (7.14%) PaaS
4 3 (2.38%) npm
5 1 (0.79%) Amazon CloudSearch
5 1 (0.79%) Amazon S3
5 1 (0.79%) Azure Active Directory
5 1 (0.79%) Cloud Computing
5 1 (0.79%) GitHub
5 1 (0.79%) OpenShift
Communications & Networking
1 1 (0.79%) Bluetooth
1 1 (0.79%) Wi-Fi
1 1 (0.79%) Wireless
Database & Business Intelligence
1 27 (21.43%) MongoDB
2 21 (16.67%) NoSQL
2 21 (16.67%) SQL Server
3 6 (4.76%) SQL Server Integration Services
3 6 (4.76%) SQL Server Reporting Services
4 5 (3.97%) Relational Database
5 4 (3.17%) RDBMS
6 2 (1.59%) PostgreSQL
7 1 (0.79%) Azure SQL Database
Development Applications
1 15 (11.90%) Git (software)
2 14 (11.11%) Team Foundation Server
3 11 (8.73%) NUnit
4 6 (4.76%) WebDriver
5 5 (3.97%) Jasmine
5 5 (3.97%) Jenkins
6 4 (3.17%) Atlassian Bamboo
6 4 (3.17%) JUnit
6 4 (3.17%) TeamCity
7 3 (2.38%) Cucumber
7 3 (2.38%) Mercurial
7 3 (2.38%) Selenium
8 2 (1.59%) IntelliJ
8 2 (1.59%) JIRA
8 2 (1.59%) Maven
8 2 (1.59%) Mocha
8 2 (1.59%) Mockito
8 2 (1.59%) RSpec
8 2 (1.59%) Subversion
8 2 (1.59%) WebStorm
General
1 11 (8.73%) Finance
2 9 (7.14%) Advertising
2 9 (7.14%) Marketing
3 1 (0.79%) Electronics
3 1 (0.79%) Retail
3 1 (0.79%) Telecoms
Job Titles
1 98 (77.78%) Developer
2 59 (46.83%) .NET Developer
3 45 (35.71%) C# Developer
4 41 (32.54%) C# .NET Developer
5 27 (21.43%) Full Stack Developer
6 25 (19.84%) Node.js Developer
7 15 (11.90%) SQL Developer
7 15 (11.90%) SQL Server Developer
8 14 (11.11%) JavaScript Developer
9 13 (10.32%) C# WCF Developer
9 13 (10.32%) WCF Developer
10 12 (9.52%) ASP.NET MVC Developer
11 11 (8.73%) Agile Developer
12 9 (7.14%) Architect
12 9 (7.14%) Solutions Architect
13 8 (6.35%) E-Commerce Architect
13 8 (6.35%) E-Commerce Solution Architect
13 8 (6.35%) Web Developer
14 7 (5.56%) Analyst
15 6 (4.76%) SSRS Developer
Libraries, Frameworks & Software Standards
1 97 (76.98%) .NET
2 65 (51.59%) Node.js
3 22 (17.46%) .NET Core
4 18 (14.29%) JSON
5 17 (13.49%) CSS
5 17 (13.49%) REST
5 17 (13.49%) WCF
6 14 (11.11%) React
7 11 (8.73%) HTML
8 10 (7.94%) AngularJS
8 10 (7.94%) jQuery
8 10 (7.94%) OAuth
9 9 (7.14%) ASP.NET Web API
9 9 (7.14%) Kafka
9 9 (7.14%) KnockoutJS
10 8 (6.35%) .NET Framework
10 8 (6.35%) RESTful
10 8 (6.35%) Web Services
11 7 (5.56%) NHibernate
11 7 (5.56%) XML
Miscellaneous
1 7 (5.56%) Enterprise Software
2 3 (2.38%) Greenfield Project
2 3 (2.38%) User Experience
3 2 (1.59%) Life Science
4 1 (0.79%) Computer Science
4 1 (0.79%) Data Centre
4 1 (0.79%) Digital Media
4 1 (0.79%) e-Learning
4 1 (0.79%) Fintech
4 1 (0.79%) Management Information System
Operating Systems
1 4 (3.17%) Windows
2 1 (0.79%) Linux
2 1 (0.79%) Unix
Processes & Methodologies
1 124 (98.41%) Agile Software Development
2 53 (42.06%) E-Commerce
3 40 (31.75%) Microservices
4 28 (22.22%) Pair Programming
5 24 (19.05%) Continuous Integration
6 20 (15.87%) BDD
7 17 (13.49%) MVC
8 16 (12.70%) OO
8 16 (12.70%) SDLC
9 11 (8.73%) Scrum
9 11 (8.73%) SOLID
10 10 (7.94%) Performance Tuning
10 10 (7.94%) Test Automation
11 9 (7.14%) Analytics
11 9 (7.14%) Cybersecurity
12 7 (5.56%) Manual Testing
13 5 (3.97%) Migration
13 5 (3.97%) SOA
13 5 (3.97%) Web Development
14 4 (3.17%) Software Engineering
Programming Languages
1 82 (65.08%) C#
2 38 (30.16%) JavaScript
3 14 (11.11%) Java
4 11 (8.73%) SQL
5 5 (3.97%) C++
5 5 (3.97%) Python
5 5 (3.97%) TypeScript
6 4 (3.17%) Ruby
7 3 (2.38%) Scala
8 2 (1.59%) C
8 2 (1.59%) Groovy
8 2 (1.59%) PHP
9 1 (0.79%) Dart
9 1 (0.79%) Embedded C
9 1 (0.79%) Embedded C++
9 1 (0.79%) Erlang
9 1 (0.79%) F#
9 1 (0.79%) Haskell
9 1 (0.79%) Objective-C
9 1 (0.79%) PL/SQL
Qualifications
1 3 (2.38%) Degree
2 1 (0.79%) BPSS Clearance
2 1 (0.79%) DV Cleared
2 1 (0.79%) ISTQB
2 1 (0.79%) Security Cleared
Quality Assurance & Compliance
1 4 (3.17%) QA
System Software
1 64 (50.79%) Docker
Systems Management
1 10 (7.94%) Kubernetes
2 1 (0.79%) Opscode Chef
2 1 (0.79%) Packer
2 1 (0.79%) Puppet
2 1 (0.79%) Terraform
Vendors
1 15 (11.90%) Microsoft
2 10 (7.94%) Google
3 4 (3.17%) Oracle
4 1 (0.79%) Coveo
4 1 (0.79%) Sitecore
4 1 (0.79%) Twitter