Period
to 25 May 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 25 May 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
25 May 2018
Same period 2017 Same period 2016
Rank 49 41 93
Rank change year-on-year -8 +52 -9
Contract jobs citing TDD 146 141 94
As % of all contract IT jobs advertised in Berkshire 3.69% 3.72% 1.90%
As % of the Processes & Methodologies category 4.37% 4.49% 2.32%
Number of daily rates quoted 89 98 76
Berkshire median daily rate £375 £413 £376
Median daily rate % change year-on-year -9.09% +9.71% +0.27%
10th Percentile £325 £289 £325
90th Percentile £501 £538 £488
South East median daily rate £450 £413 £400
% change year-on-year +9.09% +3.13% +3.23%
Number of hourly rates quoted 4 0 2
Berkshire median hourly rate £8.00 - £107.50
South East median hourly rate £45.00 £48.50 £43.00
% change year-on-year -7.22% +12.79% -4.44%

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 3,343 3,138 4,056
As % of all contract IT jobs advertised in Berkshire 84.48% 82.80% 82.16%
Number of daily rates quoted 1,713 1,460 2,184
Berkshire median daily rate £425 £425 £400
Median daily rate % change year-on-year - +6.25% +3.23%
10th Percentile £276 £254 £250
90th Percentile £590 £575 £550
South East median daily rate £438 £415 £400
% change year-on-year +5.42% +3.75% +6.67%
Number of hourly rates quoted 80 123 127
Berkshire median hourly rate £16.50 £16.00 £15.00
Median hourly rate % change year-on-year +3.13% +6.67% -31.11%
10th Percentile £8.00 £12.00 £10.15
90th Percentile £48.88 £46.30 £55.26
South East median hourly rate £22.50 £21.00 £24.00
% change year-on-year +7.14% -12.50% +9.09%

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 25 May 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
Contractor Hourly Rate Histogram in Berkshire

The hourly rate distribution of IT jobs citing TDD in Berkshire over the 6 months to 25 May 2018.

Contractor hourly rate histogram 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 25 May 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 +3 61 £375 -9.09% 20
Bracknell -12 25 £385 -14.44% 5
Newbury -17 12 £419 +28.85% 8
Maidenhead -2 8 £420 +20.00% 7
Slough -7 7 £450 +32.84% 8
Wokingham - 1 £343 - 1
TDD
South East

For the 6 months to 25 May 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.

1 103 (70.55%) Agile Software Development
2 97 (66.44%) JavaScript
3 64 (43.84%) BDD
4 63 (43.15%) CSS
5 62 (42.47%) HTML
6 60 (41.10%) Java
6 60 (41.10%) Git (software)
7 57 (39.04%) Continuous Integration
8 55 (37.67%) REST
9 51 (34.93%) AngularJS
10 44 (30.14%) React
11 43 (29.45%) JIRA
12 42 (28.77%) Amazon AWS
12 42 (28.77%) Microservices
13 41 (28.08%) Scrum
14 37 (25.34%) Maven
15 34 (23.29%) MVC
15 34 (23.29%) HTML5
16 33 (22.60%) Sass
17 32 (21.92%) Jenkins
17 32 (21.92%) DevOps
18 31 (21.23%) Pair Programming
18 31 (21.23%) C#
19 30 (20.55%) .NET
19 30 (20.55%) Software Engineering
19 30 (20.55%) Spring
20 29 (19.86%) Confluence
21 28 (19.18%) User Stories
22 27 (18.49%) C++
22 27 (18.49%) Web Services

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 29 (19.86%) Confluence
2 11 (7.53%) IIS
3 6 (4.11%) Adobe Experience Manager
3 6 (4.11%) Apache Solr
3 6 (4.11%) Elasticsearch
4 3 (2.05%) Oracle Service Bus
4 3 (2.05%) Oracle SOA Suite
4 3 (2.05%) WebLogic
5 2 (1.37%) Liferay
5 2 (1.37%) WebSphere
6 1 (0.68%) Alfresco
6 1 (0.68%) Apache
6 1 (0.68%) Joomla!
6 1 (0.68%) Mule
6 1 (0.68%) Mule ESB
Applications
1 4 (2.74%) Microsoft Office
1 4 (2.74%) MS Visio
2 1 (0.68%) GIMP
2 1 (0.68%) Photoshop
Cloud Services
1 42 (28.77%) Amazon AWS
2 22 (15.07%) Microsoft Azure
3 17 (11.64%) Serverless
4 15 (10.27%) AWS Lambda
5 11 (7.53%) NuGet
6 9 (6.16%) Amazon Kinesis
6 9 (6.16%) AWS CloudFormation
6 9 (6.16%) IaaS
6 9 (6.16%) PaaS
7 8 (5.48%) npm
8 6 (4.11%) Amazon CloudWatch
8 6 (4.11%) Amazon EC2
8 6 (4.11%) Amazon ElastiCache
8 6 (4.11%) Amazon S3
8 6 (4.11%) Amazon SQS
8 6 (4.11%) CloudFront
8 6 (4.11%) Google Cloud Platform
9 5 (3.42%) Firebase
Communications & Networking
1 12 (8.22%) TCP/IP
2 11 (7.53%) Firewall
3 4 (2.74%) HTTP
4 1 (0.68%) Internet
4 1 (0.68%) SSH
Database & Business Intelligence
1 23 (15.75%) Apache Cassandra
2 19 (13.01%) NoSQL
3 16 (10.96%) SQL Server
4 15 (10.27%) Amazon DynamoDB
5 13 (8.90%) MongoDB
5 13 (8.90%) MySQL
6 10 (6.85%) Big Data
6 10 (6.85%) PostgreSQL
7 6 (4.11%) Relational Database
8 4 (2.74%) Oracle Database
8 4 (2.74%) RDBMS
9 3 (2.05%) Oracle Database 11g
10 2 (1.37%) Data Warehouse
10 2 (1.37%) Redis
11 1 (0.68%) Blockchain
11 1 (0.68%) Hadoop
Development Applications
1 60 (41.10%) Git (software)
2 43 (29.45%) JIRA
3 37 (25.34%) Maven
4 32 (21.92%) Jenkins
5 25 (17.12%) Eclipse
5 25 (17.12%) JUnit
6 19 (13.01%) Mercurial
7 15 (10.27%) gulp
8 12 (8.22%) IntelliJ
8 12 (8.22%) Octopus Deploy
8 12 (8.22%) Team Foundation Server
8 12 (8.22%) webpack
9 11 (7.53%) Mockito
9 11 (7.53%) Protractor
9 11 (7.53%) TeamCity
9 11 (7.53%) Visual Studio
10 10 (6.85%) git-flow
10 10 (6.85%) Jasmine
10 10 (6.85%) Karma Test Runner
11 9 (6.16%) Gradle
General
1 9 (6.16%) Retail
2 5 (3.42%) Telecoms
3 2 (1.37%) Back Office
3 2 (1.37%) Games
4 1 (0.68%) Finance
4 1 (0.68%) Manufacturing
Job Titles
1 127 (86.99%) Developer
2 43 (29.45%) Java Developer
3 30 (20.55%) React Developer
4 21 (14.38%) Front End Developer (Client-Side Developer)
5 20 (13.70%) Senior Developer
6 12 (8.22%) JavaScript Developer
7 10 (6.85%) Python Developer
8 9 (6.16%) Software Developer
9 8 (5.48%) .NET Developer
9 8 (5.48%) Angular Developer
9 8 (5.48%) Senior Java Developer
10 7 (4.79%) Software Engineer
11 6 (4.11%) Backend Developer
11 6 (4.11%) Full Stack Developer
12 5 (3.42%) Analyst
12 5 (3.42%) Senior React Developer
12 5 (3.42%) Senior Software Engineer
13 4 (2.74%) Developer/Software Engineer
13 4 (2.74%) Senior Software Developer
14 3 (2.05%) Senior Backend Developer
Libraries, Frameworks & Software Standards
1 63 (43.15%) CSS
2 62 (42.47%) HTML
3 55 (37.67%) REST
4 51 (34.93%) AngularJS
5 44 (30.14%) React
6 34 (23.29%) HTML5
7 33 (22.60%) Sass
8 30 (20.55%) .NET
8 30 (20.55%) Spring
9 27 (18.49%) Web Services
10 26 (17.81%) Node.js
11 25 (17.12%) CSS3
12 22 (15.07%) RESTful
13 19 (13.01%) Twitter Bootstrap
14 17 (11.64%) .NET Core
15 13 (8.90%) ASP.NET Web API
16 12 (8.22%) ASP.NET
16 12 (8.22%) LESS
16 12 (8.22%) React Native
16 12 (8.22%) Redux
Miscellaneous
1 19 (13.01%) Greenfield Project
1 19 (13.01%) Mobile App
2 16 (10.96%) Computer Science
2 16 (10.96%) User Experience
3 6 (4.11%) iPad
3 6 (4.11%) Public Cloud
4 4 (2.74%) Algorithms
4 4 (2.74%) Life Science
5 3 (2.05%) Analytical Skills
5 3 (2.05%) Enterprise Software
6 2 (1.37%) Digital Media
6 2 (1.37%) NHS
7 1 (0.68%) Linux Command Line
7 1 (0.68%) RIA
Operating Systems
1 27 (18.49%) Linux
2 12 (8.22%) Windows
3 7 (4.79%) Apple iOS
4 5 (3.42%) Android
5 4 (2.74%) Unix
6 3 (2.05%) Embedded Linux
7 1 (0.68%) CentOS
7 1 (0.68%) Debian
7 1 (0.68%) Red Hat Enterprise Linux
7 1 (0.68%) Ubuntu
Processes & Methodologies
1 103 (70.55%) Agile Software Development
2 64 (43.84%) BDD
3 57 (39.04%) Continuous Integration
4 42 (28.77%) Microservices
5 41 (28.08%) Scrum
6 34 (23.29%) MVC
7 32 (21.92%) DevOps
8 31 (21.23%) Pair Programming
9 30 (20.55%) Software Engineering
10 28 (19.18%) User Stories
11 26 (17.81%) Front End Development
11 26 (17.81%) Kanban
11 26 (17.81%) Unit Testing
12 24 (16.44%) Test Automation
13 21 (14.38%) SDLC
14 20 (13.70%) Functional Testing
15 19 (13.01%) OO
15 19 (13.01%) Test Scripting
16 18 (12.33%) E-Commerce
17 15 (10.27%) SOA
Programming Languages
1 97 (66.44%) JavaScript
2 60 (41.10%) Java
3 31 (21.23%) C#
4 27 (18.49%) C++
5 22 (15.07%) Java 8
6 21 (14.38%) SQL
7 18 (12.33%) Python
8 14 (9.59%) ES6
9 11 (7.53%) CQL
10 8 (5.48%) ES7
11 7 (4.79%) C
12 6 (4.11%) Scala
13 5 (3.42%) Go
13 5 (3.42%) TypeScript
14 2 (1.37%) Objective-C
14 2 (1.37%) T-SQL
15 1 (0.68%) Bash Shell
15 1 (0.68%) PHP
Qualifications
1 13 (8.90%) Degree
2 11 (7.53%) Computer Science Degree
3 4 (2.74%) SC Cleared
3 4 (2.74%) Security Cleared
Quality Assurance & Compliance
1 23 (15.75%) QA
2 11 (7.53%) ISO 9001
2 11 (7.53%) ISO/IEC 27001
3 5 (3.42%) GDPR
4 2 (1.37%) PMO
4 2 (1.37%) SLA
System Software
1 11 (7.53%) VMware Infrastructure
2 7 (4.79%) Docker
Systems Management
1 11 (7.53%) Opsview
2 1 (0.68%) Kubernetes
2 1 (0.68%) SELinux
Vendors
1 11 (7.53%) VMware
2 8 (5.48%) Twitter
3 7 (4.79%) Google
4 6 (4.11%) Adobe
4 6 (4.11%) Microsoft
5 4 (2.74%) Oracle
6 2 (1.37%) IBM
6 2 (1.37%) MuleSoft
6 2 (1.37%) Xamarin