Period
to 22 October 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 22 October 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
22 Oct 2018
Same period 2017 Same period 2016
Rank 50 53 64
Rank change year-on-year +3 +11 +2
Contract jobs citing TDD 136 123 136
As % of all contract IT jobs advertised in Berkshire 3.46% 3.09% 3.07%
As % of the Processes & Methodologies category 4.10% 3.66% 3.73%
Number of daily rates quoted 90 74 90
Berkshire median daily rate £420 £400 £413
Median daily rate % change year-on-year +5.00% -3.03% +6.45%
10th Percentile £325 £316 £310
90th Percentile £558 £564 £525
South East median daily rate £475 £425 £438
% change year-on-year +11.76% -2.86% +12.90%
Number of hourly rates quoted 0 0 1
Berkshire median hourly rate - - £40.00
South East median hourly rate £41.50 £45.00 £40.00
% change year-on-year -7.78% +12.50% -20.00%

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 3,321 3,363 3,650
As % of all contract IT jobs advertised in Berkshire 84.53% 84.37% 82.30%
Number of daily rates quoted 1,639 1,722 1,981
Berkshire median daily rate £425 £425 £400
Median daily rate % change year-on-year - +6.25% +3.23%
10th Percentile £225 £263 £250
90th Percentile £575 £588 £573
South East median daily rate £435 £425 £400
% change year-on-year +2.35% +6.25% +3.23%
Number of hourly rates quoted 77 110 143
Berkshire median hourly rate £20.00 £15.75 £17.50
Median hourly rate % change year-on-year +26.98% -10.00% -34.58%
10th Percentile £11.22 £11.25 £12.00
90th Percentile £47.55 £39.53 £44.66
South East median hourly rate £27.00 £22.25 £22.50
% change year-on-year +21.35% -1.11% -1.81%

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 22 October 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 22 October 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 0 51 £425 +6.25% 26
Bracknell +9 39 £420 -4.00% 12
Maidenhead +5 7 £425 - 8
Slough -12 7 £494 +23.44% 5
Newbury -16 6 £338 -25.00% 1
Wokingham - 2 £343 -
Windsor +4 1 - - 2
TDD
South East

For the 6 months to 22 October 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.

1 108 (79.41%) Agile Software Development
2 76 (55.88%) JavaScript
3 75 (55.15%) BDD
4 65 (47.79%) Continuous Integration
5 63 (46.32%) Java
6 56 (41.18%) Git (software)
7 54 (39.71%) Scrum
8 50 (36.76%) HTML
9 49 (36.03%) Jenkins
10 48 (35.29%) Amazon AWS
11 47 (34.56%) JIRA
12 46 (33.82%) CSS
13 42 (30.88%) REST
14 41 (30.15%) Kanban
14 41 (30.15%) React
15 40 (29.41%) Microservices
16 39 (28.68%) Spring
17 37 (27.21%) Maven
18 36 (26.47%) MVC
18 36 (26.47%) AngularJS
18 36 (26.47%) DevOps
19 34 (25.00%) RESTful
19 34 (25.00%) C#
19 34 (25.00%) JUnit
20 31 (22.79%) Web Services
20 31 (22.79%) Pair Programming
21 30 (22.06%) Microsoft Azure
21 30 (22.06%) Java 8
22 28 (20.59%) .NET
23 27 (19.85%) User Stories

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 24 (17.65%) Confluence
2 10 (7.35%) Elasticsearch
3 7 (5.15%) Adobe Experience Manager
3 7 (5.15%) Apache Solr
4 4 (2.94%) Liferay
5 3 (2.21%) CMS
5 3 (2.21%) OpenStack
6 2 (1.47%) IIS
7 1 (0.74%) BizTalk Server
Cloud Services
1 48 (35.29%) Amazon AWS
2 30 (22.06%) Microsoft Azure
3 24 (17.65%) Serverless
4 18 (13.24%) AWS Lambda
5 11 (8.09%) Amazon Kinesis
5 11 (8.09%) AWS CloudFormation
6 10 (7.35%) GitHub
7 9 (6.62%) Amazon EC2
8 7 (5.15%) Amazon CloudWatch
8 7 (5.15%) Amazon ElastiCache
8 7 (5.15%) Amazon S3
8 7 (5.15%) Amazon SQS
8 7 (5.15%) CloudFront
8 7 (5.15%) SaaS
9 5 (3.68%) PaaS
10 2 (1.47%) Firebase
10 2 (1.47%) NuGet
10 2 (1.47%) Slack
10 2 (1.47%) Trello
10 2 (1.47%) Yammer
Communications & Networking
1 2 (1.47%) Firewall
1 2 (1.47%) TCP/IP
2 1 (0.74%) HTTP
2 1 (0.74%) Internet
2 1 (0.74%) Skype
Database & Business Intelligence
1 27 (19.85%) NoSQL
2 23 (16.91%) MongoDB
3 20 (14.71%) Apache Cassandra
3 20 (14.71%) MySQL
4 18 (13.24%) Amazon DynamoDB
4 18 (13.24%) PostgreSQL
5 9 (6.62%) SQL Server
6 5 (3.68%) Big Data
7 4 (2.94%) Data Warehouse
7 4 (2.94%) Relational Database
8 2 (1.47%) SQL Server 2016
9 1 (0.74%) CouchDB
9 1 (0.74%) DB2
9 1 (0.74%) InfluxDB
9 1 (0.74%) Oracle Database
9 1 (0.74%) Power BI
9 1 (0.74%) RDBMS
9 1 (0.74%) Redis
Development Applications
1 56 (41.18%) Git (software)
2 49 (36.03%) Jenkins
3 47 (34.56%) JIRA
4 37 (27.21%) Maven
5 34 (25.00%) JUnit
6 24 (17.65%) Mockito
7 23 (16.91%) Mercurial
8 17 (12.50%) git-flow
8 17 (12.50%) Team Foundation Server
9 14 (10.29%) Visual Studio Team System
10 13 (9.56%) SonarQube
11 12 (8.82%) Cucumber
12 11 (8.09%) Eclipse
13 10 (7.35%) Jasmine
14 9 (6.62%) Gradle
14 9 (6.62%) IntelliJ
15 8 (5.88%) Mocha
15 8 (5.88%) Selenium
16 7 (5.15%) Checkstyle
16 7 (5.15%) JMeter
General
1 9 (6.62%) Retail
2 4 (2.94%) Games
3 3 (2.21%) Telecoms
4 2 (1.47%) Finance
5 1 (0.74%) Billing
5 1 (0.74%) Manufacturing
5 1 (0.74%) Publishing
Job Titles
1 109 (80.15%) Developer
2 44 (32.35%) Java Developer
3 25 (18.38%) React Developer
4 19 (13.97%) .NET Developer
5 14 (10.29%) JavaScript Developer
5 14 (10.29%) Senior Developer
6 10 (7.35%) Angular Developer
6 10 (7.35%) Front End Developer (Client-Side Developer)
7 8 (5.88%) Lead Developer
7 8 (5.88%) Senior Java Developer
7 8 (5.88%) Software Engineer
8 7 (5.15%) Lead .NET Developer
9 6 (4.41%) Web Developer
10 5 (3.68%) C# Developer
10 5 (3.68%) Senior Software Engineer
10 5 (3.68%) UI Developer
11 4 (2.94%) Developer/Software Engineer
11 4 (2.94%) Full Stack Developer
11 4 (2.94%) Senior React Developer
11 4 (2.94%) Test Engineer
Libraries, Frameworks & Software Standards
1 50 (36.76%) HTML
2 46 (33.82%) CSS
3 42 (30.88%) REST
4 41 (30.15%) React
5 39 (28.68%) Spring
6 36 (26.47%) AngularJS
7 34 (25.00%) RESTful
8 31 (22.79%) Web Services
9 28 (20.59%) .NET
10 26 (19.12%) HTML5
10 26 (19.12%) Node.js
11 24 (17.65%) Sass
12 23 (16.91%) CSS3
13 22 (16.18%) LESS
14 12 (8.82%) ASP.NET Web API
14 12 (8.82%) J2EE
15 10 (7.35%) .NET Framework
15 10 (7.35%) SOAP
16 9 (6.62%) JSF
16 9 (6.62%) Spring MVC
Miscellaneous
1 26 (19.12%) Greenfield Project
2 19 (13.97%) User Experience
3 9 (6.62%) Mobile App
4 7 (5.15%) NHS
5 4 (2.94%) Analytical Skills
6 2 (1.47%) Life Science
6 2 (1.47%) PMI
7 1 (0.74%) Computer Science
7 1 (0.74%) Data Centre
7 1 (0.74%) Enterprise Software
7 1 (0.74%) Social Media
7 1 (0.74%) Virtual Team
Operating Systems
1 3 (2.21%) Windows
2 2 (1.47%) Linux
3 1 (0.74%) Apple iOS
3 1 (0.74%) VMS
Processes & Methodologies
1 108 (79.41%) Agile Software Development
2 75 (55.15%) BDD
3 65 (47.79%) Continuous Integration
4 54 (39.71%) Scrum
5 41 (30.15%) Kanban
6 40 (29.41%) Microservices
7 36 (26.47%) DevOps
7 36 (26.47%) MVC
8 31 (22.79%) Pair Programming
9 27 (19.85%) User Stories
10 24 (17.65%) Software Engineering
11 23 (16.91%) Unit Testing
12 22 (16.18%) OO
13 21 (15.44%) Test Automation
14 18 (13.24%) E-Commerce
14 18 (13.24%) Test Scripting
15 17 (12.50%) Functional Testing
16 15 (11.03%) OOP
17 14 (10.29%) Front End Development
17 14 (10.29%) Release Management
Programming Languages
1 76 (55.88%) JavaScript
2 63 (46.32%) Java
3 34 (25.00%) C#
4 30 (22.06%) Java 8
5 17 (12.50%) SQL
6 15 (11.03%) TypeScript
7 5 (3.68%) Scala
8 4 (2.94%) C++
8 4 (2.94%) Python
9 2 (1.47%) CQL
9 2 (1.47%) Go
9 2 (1.47%) PHP
10 1 (0.74%) Objective-C
10 1 (0.74%) T-SQL
Qualifications
1 8 (5.88%) Security Cleared
2 7 (5.15%) SC Cleared
3 3 (2.21%) Degree
4 2 (1.47%) Computer Science Degree
4 2 (1.47%) PMI Certification
4 2 (1.47%) PMP
5 1 (0.74%) ISTQB
Quality Assurance & Compliance
1 16 (11.76%) QA
2 4 (2.94%) PMO
3 3 (2.21%) GDPR
4 2 (1.47%) ISO 9001
4 2 (1.47%) ISO/IEC 27001
System Software
1 12 (8.82%) Docker
2 4 (2.94%) VMware Infrastructure
3 2 (1.47%) KVM
3 2 (1.47%) VirtualBox
3 2 (1.47%) vSphere
Systems Management
1 8 (5.88%) Kubernetes
2 4 (2.94%) Ansible
3 2 (1.47%) Grafana
3 2 (1.47%) Opscode Chef
3 2 (1.47%) Opsview
3 2 (1.47%) Puppet
4 1 (0.74%) HP ALM
4 1 (0.74%) HP Quality Center
4 1 (0.74%) Prometheus
4 1 (0.74%) Terraform
Vendors
1 8 (5.88%) Microsoft
2 7 (5.15%) Adobe
3 5 (3.68%) Google
4 4 (2.94%) VMware
5 2 (1.47%) HP
5 2 (1.47%) Mirantis
5 2 (1.47%) Oracle
5 2 (1.47%) Red Hat
6 1 (0.74%) MuleSoft
6 1 (0.74%) Telerik
6 1 (0.74%) Xamarin