Period
to 20 August 2018

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 20 August 2018 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
20 Aug 2018
Same period 2017 Same period 2016
Rank 57 51 79
Rank change year-on-year -6 +28 -17
Contract jobs citing TDD 127 113 106
As % of all contract IT jobs advertised in Berkshire 3.25% 2.95% 2.24%
As % of the Processes & Methodologies category 3.83% 3.55% 2.74%
Number of daily rates quoted 84 80 75
Berkshire median daily rate £400 £425 £400
Median daily rate % change year-on-year -5.88% +6.25% -
10th Percentile £325 £294 £325
90th Percentile £507 £563 £510
South East median daily rate £475 £425 £425
% change year-on-year +11.76% - +6.25%
Number of hourly rates quoted 0 0 1
Berkshire median hourly rate - - £40.00
South East median hourly rate £43.25 £41.00 £42.50
% change year-on-year +5.49% -3.53% -10.53%

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 3,316 3,181 3,873
As % of all contract IT jobs advertised in Berkshire 84.98% 83.03% 81.95%
Number of daily rates quoted 1,662 1,545 2,081
Berkshire median daily rate £425 £425 £410
Median daily rate % change year-on-year - +3.66% +7.33%
10th Percentile £256 £263 £255
90th Percentile £575 £588 £550
South East median daily rate £430 £415 £400
% change year-on-year +3.61% +3.75% +5.26%
Number of hourly rates quoted 78 126 128
Berkshire median hourly rate £21.75 £15.00 £16.75
Median hourly rate % change year-on-year +45.00% -10.45% -25.56%
10th Percentile £8.04 £11.25 £11.18
90th Percentile £48.75 £39.25 £37.88
South East median hourly rate £25.00 £19.78 £22.50
% change year-on-year +26.39% -12.09% -

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 20 August 2018.

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 20 August 2018. 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 +6 52 £425 +6.25% 18
Bracknell 0 29 £420 -16.00% 14
Slough -6 8 £450 +20.00% 7
Maidenhead -2 6 £425 +6.25% 11
Newbury -14 4 £338 -16.15% 4
Wokingham - 1 £343 -
TDD
South East

For the 6 months to 20 August 2018, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Berkshire region with a requirement for TDD.

1 98 (77.17%) Agile Software Development
2 71 (55.91%) JavaScript
3 68 (53.54%) BDD
4 58 (45.67%) Java
5 56 (44.09%) Continuous Integration
6 52 (40.94%) Git (software)
7 48 (37.80%) HTML
8 44 (34.65%) CSS
9 40 (31.50%) Scrum
9 40 (31.50%) REST
10 38 (29.92%) Amazon AWS
11 37 (29.13%) Jenkins
11 37 (29.13%) JIRA
12 36 (28.35%) Microservices
13 35 (27.56%) React
14 34 (26.77%) C#
15 33 (25.98%) Spring
15 33 (25.98%) AngularJS
15 33 (25.98%) RESTful
16 32 (25.20%) MVC
17 31 (24.41%) Maven
17 31 (24.41%) .NET
18 30 (23.62%) Kanban
19 28 (22.05%) Microsoft Azure
19 28 (22.05%) JUnit
20 27 (21.26%) DevOps
21 26 (20.47%) Greenfield Project
21 26 (20.47%) Web Services
22 25 (19.69%) Pair Programming
23 23 (18.11%) OO

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 16 (12.60%) Confluence
2 4 (3.15%) Liferay
3 3 (2.36%) Adobe Experience Manager
3 3 (2.36%) Apache Solr
3 3 (2.36%) CMS
3 3 (2.36%) Elasticsearch
3 3 (2.36%) Oracle Service Bus
3 3 (2.36%) Oracle SOA Suite
3 3 (2.36%) WebLogic
4 2 (1.57%) IIS
5 1 (0.79%) Apache
5 1 (0.79%) BizTalk Server
Applications
1 1 (0.79%) GIMP
1 1 (0.79%) Photoshop
Cloud Services
1 38 (29.92%) Amazon AWS
2 28 (22.05%) Microsoft Azure
3 17 (13.39%) Serverless
4 10 (7.87%) AWS Lambda
5 9 (7.09%) GitHub
6 7 (5.51%) Amazon Kinesis
6 7 (5.51%) AWS CloudFormation
7 6 (4.72%) SaaS
8 5 (3.94%) Amazon EC2
9 4 (3.15%) Google Cloud Platform
10 3 (2.36%) Amazon CloudWatch
10 3 (2.36%) Amazon ElastiCache
10 3 (2.36%) Amazon S3
10 3 (2.36%) Amazon SQS
10 3 (2.36%) CloudFront
11 2 (1.57%) Firebase
11 2 (1.57%) NuGet
12 1 (0.79%) PaaS
Communications & Networking
1 3 (2.36%) TCP/IP
2 2 (1.57%) Firewall
2 2 (1.57%) HTTP
3 1 (0.79%) Skype
3 1 (0.79%) SSH
Database & Business Intelligence
1 22 (17.32%) NoSQL
2 18 (14.17%) MySQL
3 16 (12.60%) Apache Cassandra
4 15 (11.81%) MongoDB
5 14 (11.02%) PostgreSQL
6 10 (7.87%) Amazon DynamoDB
7 9 (7.09%) SQL Server
8 8 (6.30%) Relational Database
9 5 (3.94%) Big Data
9 5 (3.94%) Oracle Database
9 5 (3.94%) RDBMS
10 4 (3.15%) Data Warehouse
11 3 (2.36%) Oracle Database 11g
12 1 (0.79%) Blockchain
12 1 (0.79%) DB2
12 1 (0.79%) Hadoop
Development Applications
1 52 (40.94%) Git (software)
2 37 (29.13%) Jenkins
2 37 (29.13%) JIRA
3 31 (24.41%) Maven
4 28 (22.05%) JUnit
5 19 (14.96%) Mockito
6 16 (12.60%) Mercurial
6 16 (12.60%) Team Foundation Server
7 15 (11.81%) Cucumber
7 15 (11.81%) Visual Studio Team System
8 14 (11.02%) git-flow
9 10 (7.87%) Eclipse
10 9 (7.09%) SonarQube
11 8 (6.30%) IntelliJ
11 8 (6.30%) Jasmine
11 8 (6.30%) Selenium
12 6 (4.72%) gulp
12 6 (4.72%) JMeter
12 6 (4.72%) Mocha
12 6 (4.72%) Protractor
General
1 10 (7.87%) Retail
2 6 (4.72%) Telecoms
3 2 (1.57%) Back Office
3 2 (1.57%) Finance
3 2 (1.57%) Games
4 1 (0.79%) Manufacturing
4 1 (0.79%) Publishing
Job Titles
1 104 (81.89%) Developer
2 39 (30.71%) Java Developer
3 25 (19.69%) React Developer
4 17 (13.39%) .NET Developer
5 15 (11.81%) Senior Developer
6 10 (7.87%) Angular Developer
6 10 (7.87%) Front End Developer (Client-Side Developer)
6 10 (7.87%) Lead Developer
7 9 (7.09%) Senior Java Developer
8 6 (4.72%) Lead .NET Developer
8 6 (4.72%) Senior Software Engineer
8 6 (4.72%) Software Engineer
8 6 (4.72%) Web Developer
9 5 (3.94%) Analyst
9 5 (3.94%) C# Developer
9 5 (3.94%) Senior React Developer
10 4 (3.15%) Developer/Software Engineer
10 4 (3.15%) JavaScript Developer
10 4 (3.15%) Senior Software Developer
10 4 (3.15%) Test Engineer
Libraries, Frameworks & Software Standards
1 48 (37.80%) HTML
2 44 (34.65%) CSS
3 40 (31.50%) REST
4 35 (27.56%) React
5 33 (25.98%) AngularJS
5 33 (25.98%) RESTful
5 33 (25.98%) Spring
6 31 (24.41%) .NET
7 26 (20.47%) Web Services
8 23 (18.11%) Node.js
9 19 (14.96%) HTML5
10 17 (13.39%) CSS3
10 17 (13.39%) LESS
10 17 (13.39%) Sass
11 15 (11.81%) J2EE
12 14 (11.02%) ASP.NET Web API
13 13 (10.24%) SOAP
14 11 (8.66%) ASP.NET
14 11 (8.66%) Java EE
15 10 (7.87%) JSON
Miscellaneous
1 26 (20.47%) Greenfield Project
2 15 (11.81%) User Experience
3 14 (11.02%) Mobile App
4 7 (5.51%) NHS
5 4 (3.15%) Analytical Skills
5 4 (3.15%) iPad
5 4 (3.15%) Public Cloud
6 3 (2.36%) Enterprise Software
7 2 (1.57%) Digital Media
7 2 (1.57%) Life Science
8 1 (0.79%) Computer Science
8 1 (0.79%) Linux Command Line
8 1 (0.79%) Virtual Team
Operating Systems
1 7 (5.51%) Linux
2 4 (3.15%) Unix
3 3 (2.36%) Apple iOS
3 3 (2.36%) Windows
4 1 (0.79%) CentOS
4 1 (0.79%) Debian
4 1 (0.79%) Red Hat Enterprise Linux
4 1 (0.79%) Ubuntu
Processes & Methodologies
1 98 (77.17%) Agile Software Development
2 68 (53.54%) BDD
3 56 (44.09%) Continuous Integration
4 40 (31.50%) Scrum
5 36 (28.35%) Microservices
6 32 (25.20%) MVC
7 30 (23.62%) Kanban
8 27 (21.26%) DevOps
9 25 (19.69%) Pair Programming
10 23 (18.11%) OO
11 19 (14.96%) E-Commerce
12 18 (14.17%) Test Automation
12 18 (14.17%) User Stories
13 15 (11.81%) Front End Development
14 14 (11.02%) Software Engineering
14 14 (11.02%) Unit Testing
15 13 (10.24%) Functional Testing
16 12 (9.45%) OOP
16 12 (9.45%) Test Scripting
16 12 (9.45%) Web Development
Programming Languages
1 71 (55.91%) JavaScript
2 58 (45.67%) Java
3 34 (26.77%) C#
4 22 (17.32%) Java 8
5 21 (16.54%) SQL
6 15 (11.81%) TypeScript
7 5 (3.94%) C++
8 4 (3.15%) Python
9 3 (2.36%) ES6
9 3 (2.36%) Objective-C
9 3 (2.36%) Scala
10 2 (1.57%) CQL
10 2 (1.57%) Go
10 2 (1.57%) PHP
11 1 (0.79%) Bash Shell
11 1 (0.79%) T-SQL
Qualifications
1 11 (8.66%) Security Cleared
2 10 (7.87%) SC Cleared
3 1 (0.79%) Degree
3 1 (0.79%) ISTQB
Quality Assurance & Compliance
1 12 (9.45%) QA
2 4 (3.15%) PMO
3 3 (2.36%) GDPR
4 2 (1.57%) ISO 9001
4 2 (1.57%) ISO/IEC 27001
System Software
1 8 (6.30%) Docker
2 4 (3.15%) VMware Infrastructure
3 2 (1.57%) vSphere
Systems Management
1 4 (3.15%) Kubernetes
2 2 (1.57%) Opsview
3 1 (0.79%) HP ALM
3 1 (0.79%) HP Quality Center
3 1 (0.79%) SELinux
Vendors
1 7 (5.51%) Microsoft
2 6 (4.72%) Google
2 6 (4.72%) Oracle
3 4 (3.15%) VMware
4 3 (2.36%) Adobe
4 3 (2.36%) Xamarin
5 2 (1.57%) HP
5 2 (1.57%) MuleSoft
6 1 (0.79%) Telerik