Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies advertised in Berkshire 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 21 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)
South East > Berkshire
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 49 62 59
Rank change year-on-year +13 -3 +17
Contract jobs citing TDD 149 126 139
As % of all contract IT jobs advertised in Berkshire 3.62% 2.95% 2.80%
As % of the Processes & Methodologies category 4.33% 3.63% 3.57%
Number of daily rates quoted 91 80 113
Berkshire median daily rate £400 £413 £375
Median daily rate % change year-on-year -3.03% +10.00% +7.14%
10th Percentile £313 £310 £313
90th Percentile £538 £525 £503
South East median daily rate £425 £438 £400
% change year-on-year -2.86% +9.38% +6.67%
Number of hourly rates quoted 1 0 0
Berkshire median hourly rate £8.00 - -
South East median hourly rate £45.00 £36.50 £50.00
% change year-on-year +23.29% -27.00% +25.00%

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 Berkshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Berkshire
Contract vacancies with a requirement for process or methodology skills 3440 3473 3895
As % of all contract IT jobs advertised in Berkshire 83.60% 81.37% 78.42%
Number of daily rates quoted 1791 1866 2150
Berkshire median daily rate £425 £400 £400
Median daily rate % change year-on-year +6.25% - +5.96%
10th Percentile £263 £250 £227
90th Percentile £588 £575 £550
South East median daily rate £425 £400 £390
% change year-on-year +6.25% +2.56% +4.00%
Number of hourly rates quoted 108 130 176
Berkshire median hourly rate £14.50 £17.75 £30.45
Median hourly rate % change year-on-year -18.31% -41.71% +77.45%
10th Percentile £11.25 £11.25 £13.25
90th Percentile £38.45 £48.83 £44.38
South East median hourly rate £22.75 £27.13 £26.50
% change year-on-year -16.13% +2.36% +51.43%

TDD
Job Vacancy Trend in Berkshire

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

Job vacancy trend for TDD in Berkshire

TDD
Contractor Daily Rate Trend in Berkshire

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

Contractor daily rate trend for TDD in Berkshire

TDD
Contractor Daily Rate Histogram in Berkshire

The daily rate distribution of IT jobs citing TDD in Berkshire over the 6 months to 21 November 2017.

Contractor daily rate histogram for TDD in Berkshire

TDD
Contractor Hourly Rate Trend in Berkshire

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

Contractor hourly rate trend for TDD in Berkshire

TDD
Contract Job Locations in Berkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Berkshire region over the 6 months to 21 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
Reading +13 55 £365 -11.52% 17
Bracknell +14 33 £425 -15.00% 2
Newbury +17 21 £450 +20.00% 2
Slough +8 11 £400 +25.79% 6
Maidenhead -18 3 £425 -5.56% 3
Ascot - 1 £525 -
Windsor - 1 £375 -
TDD
South East

For the 6 months to 21 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 Berkshire region with a requirement for TDD.

1 116 (77.85%) Agile Software Development
2 88 (59.06%) BDD
3 73 (48.99%) JavaScript
4 72 (48.32%) Scrum
5 55 (36.91%) Continuous Integration
6 52 (34.90%) HTML
7 48 (32.21%) CSS
7 48 (32.21%) AngularJS
8 45 (30.20%) .NET
9 40 (26.85%) HTML5
9 40 (26.85%) REST
10 39 (26.17%) SQL Server
10 39 (26.17%) Java
11 37 (24.83%) C#
12 35 (23.49%) Test Automation
13 33 (22.15%) SQL
14 32 (21.48%) Degree
15 29 (19.46%) webpack
16 27 (18.12%) MVC
17 26 (17.45%) Web Services
17 26 (17.45%) Computer Science
17 26 (17.45%) Computer Science Degree
18 25 (16.78%) DevOps
19 24 (16.11%) Git (software)
20 23 (15.44%) ES6
20 23 (15.44%) Sass
21 22 (14.77%) Twitter Bootstrap
21 22 (14.77%) gulp
22 21 (14.09%) Protractor
22 21 (14.09%) ASP.NET

TDD
Co-occurring IT Skills in Berkshire 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 (4.03%) BizTalk Server
1 6 (4.03%) Confluence
2 5 (3.36%) Oracle SOA Suite
3 4 (2.68%) Apache
3 4 (2.68%) Apache Solr
3 4 (2.68%) JBoss
3 4 (2.68%) NServiceBus
3 4 (2.68%) Tomcat
4 3 (2.01%) Adobe Experience Manager
4 3 (2.01%) Elasticsearch
5 2 (1.34%) Apache TomEE
5 2 (1.34%) CMS
5 2 (1.34%) GlassFish
5 2 (1.34%) IIS
5 2 (1.34%) Jupyter
5 2 (1.34%) Sitecore CMS
5 2 (1.34%) WebLogic
6 1 (0.67%) nginx
6 1 (0.67%) OpenStack
Applications
1 2 (1.34%) Microsoft Project
1 2 (1.34%) MS Visio
Business Applications
1 2 (1.34%) SAP Hybris
Cloud Services
1 18 (12.08%) Amazon AWS
2 17 (11.41%) Microsoft Azure
2 17 (11.41%) npm
3 4 (2.68%) AWS Lambda
3 4 (2.68%) GitHub
3 4 (2.68%) Serverless
4 3 (2.01%) Amazon EC2
4 3 (2.01%) Amazon SQS
4 3 (2.01%) SaaS
5 2 (1.34%) Amazon CloudWatch
5 2 (1.34%) Amazon ElastiCache
5 2 (1.34%) Amazon S3
5 2 (1.34%) CloudFront
5 2 (1.34%) Google App Engine
5 2 (1.34%) Google Cloud Platform
5 2 (1.34%) Google Compute Engine
6 1 (0.67%) Heroku
Communications & Networking
1 9 (6.04%) HTTP
2 3 (2.01%) Internet
2 3 (2.01%) Intranet
2 3 (2.01%) Value-Added Service
3 1 (0.67%) 3GPP
3 1 (0.67%) AMQP
3 1 (0.67%) Diameter Protocol
3 1 (0.67%) Firewall
3 1 (0.67%) LDAP
3 1 (0.67%) SMPP
3 1 (0.67%) SS7
3 1 (0.67%) VPN
Database & Business Intelligence
1 39 (26.17%) SQL Server
2 7 (4.70%) SQL Server Integration Services
3 6 (4.03%) MySQL
3 6 (4.03%) NoSQL
4 4 (2.68%) Data Warehouse
4 4 (2.68%) Relational Database
4 4 (2.68%) SQL Server Reporting Services
5 3 (2.01%) Amazon DynamoDB
6 2 (1.34%) MongoDB
6 2 (1.34%) PostgreSQL
6 2 (1.34%) Redis
7 1 (0.67%) Apache Cassandra
7 1 (0.67%) Big Data
7 1 (0.67%) Blockchain
7 1 (0.67%) Pentaho
7 1 (0.67%) SAP HANA
7 1 (0.67%) Star Schema
Development Applications
1 29 (19.46%) webpack
2 24 (16.11%) Git (software)
3 22 (14.77%) gulp
4 21 (14.09%) Protractor
5 19 (12.75%) Karma Test Runner
6 17 (11.41%) Jasmine
7 12 (8.05%) JIRA
7 12 (8.05%) Maven
7 12 (8.05%) Team Foundation Server
8 11 (7.38%) Jenkins
9 10 (6.71%) JUnit
9 10 (6.71%) Selenium
10 8 (5.37%) WebDriver
11 6 (4.03%) Cucumber
11 6 (4.03%) Gradle
11 6 (4.03%) Mocha
12 5 (3.36%) IntelliJ
12 5 (3.36%) Mercurial
13 4 (2.68%) Eclipse
13 4 (2.68%) Subversion
General
1 18 (12.08%) Finance
2 7 (4.70%) Telecoms
3 4 (2.68%) Games
4 3 (2.01%) Legal
5 2 (1.34%) Retail
6 1 (0.67%) Automotive
6 1 (0.67%) Electronics
6 1 (0.67%) Manufacturing
6 1 (0.67%) Marketing
Job Titles
1 108 (72.48%) Developer
2 20 (13.42%) .NET Developer
3 19 (12.75%) Front End Developer (Client-Side Developer)
4 15 (10.07%) JavaScript Developer
5 14 (9.40%) Java Developer
6 12 (8.05%) Python Developer
7 10 (6.71%) Senior Developer
7 10 (6.71%) Software Developer
8 8 (5.37%) Full Stack Developer
9 7 (4.70%) Architect
9 7 (4.70%) Senior Java Developer
10 6 (4.03%) Scrum Master
11 5 (3.36%) Angular Developer
11 5 (3.36%) ASP.NET MVC Developer
11 5 (3.36%) C# Developer
11 5 (3.36%) DevOps Developer
11 5 (3.36%) Tester
12 4 (2.68%) Agile Developer
12 4 (2.68%) ASP.NET Developer
12 4 (2.68%) Sitecore Developer
Libraries, Frameworks & Software Standards
1 52 (34.90%) HTML
2 48 (32.21%) AngularJS
2 48 (32.21%) CSS
3 45 (30.20%) .NET
4 40 (26.85%) HTML5
4 40 (26.85%) REST
5 26 (17.45%) Web Services
6 23 (15.44%) Sass
7 22 (14.77%) Twitter Bootstrap
8 21 (14.09%) ASP.NET
9 19 (12.75%) RESTful
10 18 (12.08%) React
11 17 (11.41%) SOAP
12 16 (10.74%) Spring
12 16 (10.74%) XML
13 15 (10.07%) ASP.NET MVC
14 14 (9.40%) Hibernate
14 14 (9.40%) JSON
14 14 (9.40%) Node.js
15 13 (8.72%) CSS3
Miscellaneous
1 26 (17.45%) Computer Science
2 15 (10.07%) Greenfield Project
3 8 (5.37%) Analytical Skills
3 8 (5.37%) Mobile App
4 7 (4.70%) Algorithms
4 7 (4.70%) Data Structures
5 6 (4.03%) Life Science
6 3 (2.01%) Enterprise Software
6 3 (2.01%) User Experience
7 1 (0.67%) Cloud Native
7 1 (0.67%) Fintech
7 1 (0.67%) PMI
7 1 (0.67%) Semantic Web
7 1 (0.67%) Virtual Team
Operating Systems
1 16 (10.74%) Linux
2 14 (9.40%) Windows
3 13 (8.72%) Unix
4 4 (2.68%) Apple iOS
5 3 (2.01%) HPUX
6 1 (0.67%) Android
6 1 (0.67%) Embedded Linux
6 1 (0.67%) Windows Server
Processes & Methodologies
1 116 (77.85%) Agile Software Development
2 88 (59.06%) BDD
3 72 (48.32%) Scrum
4 55 (36.91%) Continuous Integration
5 35 (23.49%) Test Automation
6 27 (18.12%) MVC
7 25 (16.78%) DevOps
8 21 (14.09%) CRM
9 20 (13.42%) Microservices
9 20 (13.42%) Open Source
10 18 (12.08%) Kanban
11 16 (10.74%) Front End Development
11 16 (10.74%) Mentoring
12 15 (10.07%) Unit Testing
13 14 (9.40%) SDLC
13 14 (9.40%) Software Engineering
13 14 (9.40%) SOLID
14 11 (7.38%) SOA
15 10 (6.71%) OOD
15 10 (6.71%) User Stories
Programming Languages
1 73 (48.99%) JavaScript
2 39 (26.17%) Java
3 37 (24.83%) C#
4 33 (22.15%) SQL
5 23 (15.44%) ES6
6 21 (14.09%) ECMAScript
7 15 (10.07%) Python
8 14 (9.40%) C++
9 9 (6.04%) T-SQL
10 8 (5.37%) C
11 5 (3.36%) Scala
11 5 (3.36%) XPath
12 4 (2.68%) TypeScript
13 3 (2.01%) Groovy
13 3 (2.01%) Objective-C
13 3 (2.01%) PL/SQL
13 3 (2.01%) Ruby
14 2 (1.34%) MATLAB
14 2 (1.34%) PHP
15 1 (0.67%) Perl
Qualifications
1 32 (21.48%) Degree
2 26 (17.45%) Computer Science Degree
3 2 (1.34%) SC Cleared
3 2 (1.34%) Security Cleared
4 1 (0.67%) PMI Certification
4 1 (0.67%) PMP
Quality Assurance & Compliance
1 16 (10.74%) QA
2 2 (1.34%) SLA
3 1 (0.67%) WCAG
System Software
1 9 (6.04%) Docker
Systems Management
1 3 (2.01%) Ansible
1 3 (2.01%) Opscode Chef
2 2 (1.34%) HP Fortify
2 2 (1.34%) HP Quality Center
Vendors
1 17 (11.41%) Twitter
2 12 (8.05%) Microsoft
3 9 (6.04%) Oracle
4 6 (4.03%) Sitecore
5 5 (3.36%) HP
6 3 (2.01%) Adobe
6 3 (2.01%) Cisco
6 3 (2.01%) SAP
7 2 (1.34%) Capita
7 2 (1.34%) Google
7 2 (1.34%) hybris
7 2 (1.34%) IBM
7 2 (1.34%) Red Hat
7 2 (1.34%) Splunk
7 2 (1.34%) Xamarin
8 1 (0.67%) Apple
8 1 (0.67%) CA Agile Central
8 1 (0.67%) MuleSoft
8 1 (0.67%) Salesforce.com