Period
to 21 May 2019

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 May 2019 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 May 2019
Same period 2018 Same period 2017
Rank 60 49 44
Rank change year-on-year -11 -5 +52
Contract jobs citing TDD 142 145 137
As % of all contract IT jobs advertised in Berkshire 3.44% 3.68% 3.61%
As % of the Processes & Methodologies category 3.97% 4.33% 4.35%
Number of daily rates quoted 111 90 95
Berkshire median daily rate £450 £375 £413
Median daily rate % change year-on-year +20.00% -9.09% +9.71%
10th Percentile £375 £325 £284
90th Percentile £563 £501 £525
South East median daily rate £475 £450 £413
% change year-on-year +5.56% +9.09% +3.13%
Number of hourly rates quoted 0 4 0
Berkshire median hourly rate - £8.00 -
South East median hourly rate £45.45 £45.00 £48.50
% change year-on-year +1.00% -7.22% +12.79%

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 3,577 3,349 3,146
As % of all contract IT jobs advertised in Berkshire 86.76% 85.06% 82.99%
Number of daily rates quoted 1,740 1,719 1,464
Berkshire median daily rate £450 £425 £425
Median daily rate % change year-on-year +5.88% - +6.25%
10th Percentile £305 £277 £255
90th Percentile £613 £588 £575
South East median daily rate £450 £435 £415
% change year-on-year +3.45% +4.82% +3.75%
Number of hourly rates quoted 100 80 128
Berkshire median hourly rate £17.50 £16.50 £16.00
Median hourly rate % change year-on-year +6.06% +3.13% +6.67%
10th Percentile £12.00 £8.00 £12.00
90th Percentile £52.03 £48.88 £50.00
South East median hourly rate £27.50 £22.00 £21.00
% change year-on-year +25.00% +4.76% -9.68%

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 May 2019.

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 May 2019. 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 +11 90 £450 +20.00% 10
Bracknell -8 28 £513 +33.12% 6
Maidenhead +7 9 £333 -16.88% 6
Ascot - 4 £400 -
Newbury -4 2 £350 -26.32% 1
Windsor - 1 £425 - 1
TDD
South East

For the 6 months to 21 May 2019, 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.

1 101 (71.13%) Agile Software Development
2 77 (54.23%) JavaScript
3 68 (47.89%) BDD
4 65 (45.77%) C#
5 61 (42.96%) .NET
6 51 (35.92%) CSS
7 49 (34.51%) Continuous Integration
8 48 (33.80%) OOP
9 47 (33.10%) Git (software)
10 46 (32.39%) AngularJS
10 46 (32.39%) OO
11 43 (30.28%) Microsoft Azure
12 41 (28.87%) HTML
13 39 (27.46%) Node.js
14 38 (26.76%) Scrum
15 35 (24.65%) Amazon AWS
16 34 (23.94%) Java
16 34 (23.94%) MVC
17 33 (23.24%) Docker
18 31 (21.83%) ASP.NET
19 30 (21.13%) REST
19 30 (21.13%) Test Automation
20 29 (20.42%) DevOps
21 27 (19.01%) ASP.NET Web API
21 27 (19.01%) Microservices
22 26 (18.31%) SQL Server
23 25 (17.61%) TypeScript
23 25 (17.61%) Visual Studio Team System
24 24 (16.90%) React
25 23 (16.20%) CSS3

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 7 (4.93%) Confluence
2 5 (3.52%) Tomcat
3 3 (2.11%) Apache Spark
3 3 (2.11%) JBoss
3 3 (2.11%) WebSphere
4 2 (1.41%) Elasticsearch
5 1 (0.70%) CMS
Business Applications
1 2 (1.41%) Magento
2 1 (0.70%) Dynamics CRM
Cloud Services
1 43 (30.28%) Microsoft Azure
2 35 (24.65%) Amazon AWS
3 11 (7.75%) Serverless
4 10 (7.04%) Amazon Kinesis
4 10 (7.04%) AWS CloudFormation
4 10 (7.04%) AWS Lambda
5 9 (6.34%) Google Cloud Platform
6 7 (4.93%) Cloud Computing
7 5 (3.52%) SaaS
8 4 (2.82%) Amazon EC2
8 4 (2.82%) GitHub
9 3 (2.11%) PaaS
10 1 (0.70%) Azure Functions
10 1 (0.70%) Dynamics 365
Communications & Networking
1 7 (4.93%) H.323
1 7 (4.93%) Skype
2 2 (1.41%) HTTP
3 1 (0.70%) Reverse Proxy
Database & Business Intelligence
1 26 (18.31%) SQL Server
2 11 (7.75%) Cosmos DB
3 10 (7.04%) Amazon DynamoDB
4 6 (4.23%) Azure SQL Database
5 5 (3.52%) Big Data
6 4 (2.82%) NoSQL
6 4 (2.82%) PostgreSQL
6 4 (2.82%) Relational Database
7 3 (2.11%) Hadoop
7 3 (2.11%) MongoDB
8 2 (1.41%) Apache Ignite
8 2 (1.41%) MySQL
9 1 (0.70%) DB2
Development Applications
1 47 (33.10%) Git (software)
2 25 (17.61%) Visual Studio Team System
3 19 (13.38%) JIRA
4 16 (11.27%) Jenkins
5 10 (7.04%) Jasmine
6 9 (6.34%) Bitbucket
6 9 (6.34%) Mockito
7 8 (5.63%) JUnit
7 8 (5.63%) Selenium
7 8 (5.63%) Subversion
8 7 (4.93%) Atlassian Bamboo
8 7 (4.93%) Cucumber
8 7 (4.93%) SonarQube
9 6 (4.23%) Maven
10 5 (3.52%) gulp
10 5 (3.52%) Mercurial
10 5 (3.52%) webpack
11 4 (2.82%) Karma Test Runner
11 4 (2.82%) Mocha
11 4 (2.82%) TeamCity
General
1 13 (9.15%) Retail
2 10 (7.04%) Telecoms
3 5 (3.52%) Finance
4 2 (1.41%) Games
4 2 (1.41%) Marketing
Job Titles
1 110 (77.46%) Developer
2 31 (21.83%) Full Stack Developer
3 23 (16.20%) Java Developer
4 21 (14.79%) .NET Developer
5 17 (11.97%) React Developer
6 16 (11.27%) C# Developer
7 13 (9.15%) Front End Developer (Client-Side Developer)
7 13 (9.15%) JavaScript Developer
7 13 (9.15%) Senior Developer
8 10 (7.04%) Architect
8 10 (7.04%) C# .NET Developer
9 9 (6.34%) Software Engineer
10 8 (5.63%) Angular Developer
11 6 (4.23%) Node.js Developer
11 6 (4.23%) Test Engineer
12 4 (2.82%) Azure Developer
12 4 (2.82%) Lead Developer
12 4 (2.82%) Senior Front-End Developer
12 4 (2.82%) Senior Java Developer
12 4 (2.82%) Sitecore Developer
Libraries, Frameworks & Software Standards
1 61 (42.96%) .NET
2 51 (35.92%) CSS
3 46 (32.39%) AngularJS
4 41 (28.87%) HTML
5 39 (27.46%) Node.js
6 31 (21.83%) ASP.NET
7 30 (21.13%) REST
8 27 (19.01%) ASP.NET Web API
9 24 (16.90%) React
10 23 (16.20%) CSS3
11 21 (14.79%) .NET Core
11 21 (14.79%) Web Services
12 20 (14.08%) HTML5
13 16 (11.27%) ASP.NET MVC
13 16 (11.27%) Sass
13 16 (11.27%) Spring
14 13 (9.15%) LESS
14 13 (9.15%) SOAP
15 11 (7.75%) Angular 2
16 10 (7.04%) Hibernate
Miscellaneous
1 19 (13.38%) User Experience
2 13 (9.15%) Greenfield Project
3 8 (5.63%) Mobile App
4 7 (4.93%) Video Conferencing
5 6 (4.23%) Analytical Skills
6 3 (2.11%) Enterprise Software
7 2 (1.41%) Linked Data
7 2 (1.41%) Semantic Web
8 1 (0.70%) Data Protection Act
8 1 (0.70%) Driving Licence
8 1 (0.70%) Fintech
8 1 (0.70%) Linux Command Line
8 1 (0.70%) Self-Motivation
8 1 (0.70%) Virtual Team
Operating Systems
1 16 (11.27%) Apple iOS
2 15 (10.56%) Android
3 13 (9.15%) Linux
4 3 (2.11%) Windows
5 2 (1.41%) Windows Server 2003
5 2 (1.41%) Windows XP
6 1 (0.70%) Unix
Processes & Methodologies
1 101 (71.13%) Agile Software Development
2 68 (47.89%) BDD
3 49 (34.51%) Continuous Integration
4 48 (33.80%) OOP
5 46 (32.39%) OO
6 38 (26.76%) Scrum
7 34 (23.94%) MVC
8 30 (21.13%) Test Automation
9 29 (20.42%) DevOps
10 27 (19.01%) Microservices
11 22 (15.49%) Responsive Web Design
12 20 (14.08%) Kanban
13 19 (13.38%) SOLID
14 18 (12.68%) Front End Development
14 18 (12.68%) Software Engineering
14 18 (12.68%) User Stories
15 17 (11.97%) E-Commerce
15 17 (11.97%) Unit Testing
16 16 (11.27%) Pair Programming
16 16 (11.27%) Web Development
Programming Languages
1 77 (54.23%) JavaScript
2 65 (45.77%) C#
3 34 (23.94%) Java
4 25 (17.61%) TypeScript
5 14 (9.86%) SQL
6 11 (7.75%) Python
7 9 (6.34%) Java 8
8 8 (5.63%) ES6
9 7 (4.93%) C
10 3 (2.11%) F#
10 3 (2.11%) T-SQL
11 2 (1.41%) Scala
12 1 (0.70%) Groovy
12 1 (0.70%) Objective-C
12 1 (0.70%) PHP
12 1 (0.70%) PL/SQL
12 1 (0.70%) Shell Script
12 1 (0.70%) VB
12 1 (0.70%) VB.NET
12 1 (0.70%) XAML
Qualifications
1 8 (5.63%) Degree
2 7 (4.93%) Computer Science Degree
3 4 (2.82%) SC Cleared
3 4 (2.82%) Security Cleared
4 2 (1.41%) TOGAF Certification
5 1 (0.70%) ISTQB
Quality Assurance & Compliance
1 5 (3.52%) QA
System Software
1 33 (23.24%) Docker
2 2 (1.41%) VMware Infrastructure
2 2 (1.41%) VMware Workstation
2 2 (1.41%) vSphere
Systems Management
1 20 (14.08%) Kubernetes
2 8 (5.63%) Ansible
3 7 (4.93%) Opscode Chef
4 5 (3.52%) Puppet
5 3 (2.11%) Terraform
6 1 (0.70%) HP ALM
Vendors
1 13 (9.15%) Microsoft
2 11 (7.75%) Google
3 5 (3.52%) Atlassian
4 4 (2.82%) Oracle
4 4 (2.82%) Sitecore
4 4 (2.82%) VMware
5 3 (2.11%) Cypress Semiconductor
6 2 (1.41%) IBM
7 1 (0.70%) Hortonworks
7 1 (0.70%) HP
7 1 (0.70%) Zend