Period
to 16 December 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 16 December 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
16 Dec 2018
Same period 2017 Same period 2016
Rank 45 45 57
Rank change year-on-year 0 +12 +8
Contract jobs citing TDD 164 157 140
As % of all contract IT jobs advertised in Berkshire 3.82% 3.83% 3.28%
As % of the Processes & Methodologies category 4.47% 4.52% 3.95%
Number of daily rates quoted 105 105 84
Berkshire median daily rate £450 £400 £413
Median daily rate % change year-on-year +12.50% -3.03% +6.45%
10th Percentile £338 £313 £311
90th Percentile £575 £538 £525
South East median daily rate £488 £425 £435
% change year-on-year +14.71% -2.35% +8.81%
Number of hourly rates quoted 0 3 0
Berkshire median hourly rate - £8.00 -
South East median hourly rate £41.50 £45.00 £36.50
% change year-on-year -7.78% +23.29% -27.00%

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 3,671 3,472 3,541
As % of all contract IT jobs advertised in Berkshire 85.49% 84.62% 82.89%
Number of daily rates quoted 1,746 1,816 1,870
Berkshire median daily rate £425 £425 £400
Median daily rate % change year-on-year - +6.25% -
10th Percentile £239 £263 £250
90th Percentile £588 £588 £575
South East median daily rate £438 £425 £405
% change year-on-year +2.94% +4.94% +2.27%
Number of hourly rates quoted 79 107 128
Berkshire median hourly rate £21.50 £14.50 £18.25
Median hourly rate % change year-on-year +48.28% -20.55% -28.53%
10th Percentile £12.00 £11.25 £11.25
90th Percentile £48.75 £41.50 £50.00
South East median hourly rate £25.00 £23.14 £24.23
% change year-on-year +8.04% -4.48% -4.78%

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 16 December 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 16 December 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 -5 67 £450 +23.29% 27
Bracknell +10 57 £513 +20.59% 5
Maidenhead +9 8 £413 -2.94% 7
Slough -10 8 £675 +68.75% 1
Newbury -21 3 £525 +23.53% 5
Windsor +7 1 - -
Wokingham - 1 £343 - 1
TDD
South East

For the 6 months to 16 December 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.

1 135 (82.32%) Agile Software Development
2 93 (56.71%) JavaScript
3 91 (55.49%) BDD
4 77 (46.95%) Continuous Integration
5 69 (42.07%) Scrum
6 68 (41.46%) Git (software)
7 61 (37.20%) Java
8 56 (34.15%) CSS
8 56 (34.15%) React
9 55 (33.54%) REST
10 54 (32.93%) Jenkins
11 52 (31.71%) HTML
12 51 (31.10%) Amazon AWS
13 50 (30.49%) MVC
13 50 (30.49%) JIRA
14 49 (29.88%) Kanban
15 48 (29.27%) Pair Programming
16 46 (28.05%) Microservices
17 45 (27.44%) Spring
18 44 (26.83%) User Stories
19 43 (26.22%) AngularJS
20 41 (25.00%) Node.js
20 41 (25.00%) DevOps
21 40 (24.39%) C#
21 40 (24.39%) Web Services
22 38 (23.17%) Unit Testing
23 37 (22.56%) OO
23 37 (22.56%) .NET
24 36 (21.95%) Maven
25 35 (21.34%) JUnit

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 28 (17.07%) Confluence
2 14 (8.54%) Elasticsearch
3 11 (6.71%) Adobe Experience Manager
3 11 (6.71%) Apache Solr
4 3 (1.83%) CMS
4 3 (1.83%) OpenStack
5 2 (1.22%) Apache Spark
6 1 (0.61%) Apache
6 1 (0.61%) BizTalk Server
6 1 (0.61%) JBoss
6 1 (0.61%) Tomcat
6 1 (0.61%) WebSphere
6 1 (0.61%) WebSphere Application Server
Cloud Services
1 51 (31.10%) Amazon AWS
2 32 (19.51%) Microsoft Azure
2 32 (19.51%) Serverless
3 26 (15.85%) AWS Lambda
4 15 (9.15%) Amazon Kinesis
4 15 (9.15%) AWS CloudFormation
5 13 (7.93%) Amazon EC2
6 12 (7.32%) GitHub
7 11 (6.71%) Amazon CloudWatch
7 11 (6.71%) Amazon ElastiCache
7 11 (6.71%) Amazon S3
7 11 (6.71%) Amazon SQS
7 11 (6.71%) CloudFront
8 9 (5.49%) SaaS
9 8 (4.88%) PaaS
10 2 (1.22%) Firebase
10 2 (1.22%) Slack
10 2 (1.22%) Trello
10 2 (1.22%) Yammer
11 1 (0.61%) npm
Communications & Networking
1 1 (0.61%) HTTP
1 1 (0.61%) Internet
1 1 (0.61%) Skype
Database & Business Intelligence
1 26 (15.85%) Amazon DynamoDB
2 25 (15.24%) NoSQL
3 17 (10.37%) MongoDB
4 16 (9.76%) MySQL
5 12 (7.32%) Apache Cassandra
5 12 (7.32%) PostgreSQL
6 11 (6.71%) SQL Server
7 7 (4.27%) Big Data
8 5 (3.05%) Relational Database
9 3 (1.83%) Cosmos DB
9 3 (1.83%) Hadoop
10 2 (1.22%) DB2
10 2 (1.22%) SQL Server 2016
11 1 (0.61%) CouchDB
11 1 (0.61%) Data Warehouse
11 1 (0.61%) InfluxDB
11 1 (0.61%) Oracle Database
11 1 (0.61%) Parquet
11 1 (0.61%) Power BI
11 1 (0.61%) RDBMS
Development Applications
1 68 (41.46%) Git (software)
2 54 (32.93%) Jenkins
3 50 (30.49%) JIRA
4 36 (21.95%) Maven
5 35 (21.34%) JUnit
6 33 (20.12%) Mercurial
7 21 (12.80%) Visual Studio Team System
8 18 (10.98%) Mockito
8 18 (10.98%) SonarQube
9 16 (9.76%) Gradle
10 15 (9.15%) Eclipse
10 15 (9.15%) IntelliJ
10 15 (9.15%) Team Foundation Server
11 14 (8.54%) Jasmine
12 12 (7.32%) Cucumber
13 11 (6.71%) Checkstyle
13 11 (6.71%) git-flow
14 10 (6.10%) Mocha
15 5 (3.05%) DbUnit
15 5 (3.05%) Sonatype Nexus
General
1 16 (9.76%) Retail
2 6 (3.66%) Telecoms
3 4 (2.44%) Games
4 2 (1.22%) Finance
5 1 (0.61%) Billing
5 1 (0.61%) Manufacturing
5 1 (0.61%) Publishing
Job Titles
1 138 (84.15%) Developer
2 41 (25.00%) Java Developer
3 33 (20.12%) React Developer
4 26 (15.85%) .NET Developer
5 22 (13.41%) JavaScript Developer
6 21 (12.80%) Front End Developer (Client-Side Developer)
7 19 (11.59%) Senior Developer
8 11 (6.71%) C# Developer
9 10 (6.10%) Senior Java Developer
10 9 (5.49%) Lead Developer
10 9 (5.49%) Software Engineer
11 7 (4.27%) Lead .NET Developer
11 7 (4.27%) Senior Front-End Developer
11 7 (4.27%) UI Developer
11 7 (4.27%) Web Developer
12 5 (3.05%) Agile Developer
12 5 (3.05%) Angular Developer
12 5 (3.05%) Backend Developer
12 5 (3.05%) Node.js Developer
12 5 (3.05%) Software Developer
Libraries, Frameworks & Software Standards
1 56 (34.15%) CSS
1 56 (34.15%) React
2 55 (33.54%) REST
3 52 (31.71%) HTML
4 45 (27.44%) Spring
5 43 (26.22%) AngularJS
6 41 (25.00%) Node.js
7 40 (24.39%) Web Services
8 37 (22.56%) .NET
9 29 (17.68%) HTML5
10 27 (16.46%) RESTful
10 27 (16.46%) Sass
11 25 (15.24%) CSS3
11 25 (15.24%) LESS
12 18 (10.98%) ASP.NET Web API
13 16 (9.76%) ASP.NET
14 15 (9.15%) JSF
14 15 (9.15%) Spring MVC
14 15 (9.15%) Struts
15 13 (7.93%) SOAP
Miscellaneous
1 18 (10.98%) Greenfield Project
2 17 (10.37%) User Experience
3 8 (4.88%) Mobile App
4 4 (2.44%) Enterprise Software
5 3 (1.83%) Analytical Skills
5 3 (1.83%) NHS
6 2 (1.22%) Life Science
6 2 (1.22%) PMI
6 2 (1.22%) Virtual Team
7 1 (0.61%) Data Centre
7 1 (0.61%) Linux Command Line
7 1 (0.61%) Self-Motivation
7 1 (0.61%) Social Media
Operating Systems
1 4 (2.44%) Linux
2 2 (1.22%) Unix
3 1 (0.61%) VMS
Processes & Methodologies
1 135 (82.32%) Agile Software Development
2 91 (55.49%) BDD
3 77 (46.95%) Continuous Integration
4 69 (42.07%) Scrum
5 50 (30.49%) MVC
6 49 (29.88%) Kanban
7 48 (29.27%) Pair Programming
8 46 (28.05%) Microservices
9 44 (26.83%) User Stories
10 41 (25.00%) DevOps
11 38 (23.17%) Unit Testing
12 37 (22.56%) OO
13 33 (20.12%) Software Engineering
14 32 (19.51%) OOP
15 28 (17.07%) E-Commerce
16 25 (15.24%) Front End Development
17 24 (14.63%) Test Automation
18 19 (11.59%) Functional Testing
19 18 (10.98%) Functional Programming
19 18 (10.98%) Responsive Web Design
Programming Languages
1 93 (56.71%) JavaScript
2 61 (37.20%) Java
3 40 (24.39%) C#
4 31 (18.90%) Java 8
5 16 (9.76%) SQL
6 14 (8.54%) TypeScript
7 5 (3.05%) Python
7 5 (3.05%) Scala
8 4 (2.44%) F#
9 3 (1.83%) PHP
10 2 (1.22%) Shell Script
11 1 (0.61%) C++
11 1 (0.61%) Go
11 1 (0.61%) PHP 7
11 1 (0.61%) T-SQL
Qualifications
1 8 (4.88%) Security Cleared
2 7 (4.27%) SC Cleared
3 2 (1.22%) Computer Science Degree
3 2 (1.22%) Degree
3 2 (1.22%) ISTQB
3 2 (1.22%) PMI Certification
3 2 (1.22%) PMP
Quality Assurance & Compliance
1 17 (10.37%) QA
2 2 (1.22%) GDPR
3 1 (0.61%) PMO
System Software
1 15 (9.15%) Docker
2 2 (1.22%) KVM
2 2 (1.22%) VirtualBox
2 2 (1.22%) VMware Infrastructure
2 2 (1.22%) vSphere
3 1 (0.61%) Apache ZooKeeper
3 1 (0.61%) HDFS
Systems Management
1 10 (6.10%) Kubernetes
2 5 (3.05%) Ansible
3 2 (1.22%) Grafana
3 2 (1.22%) HP ALM
3 2 (1.22%) Opscode Chef
3 2 (1.22%) Puppet
4 1 (0.61%) Hadoop YARN
4 1 (0.61%) HP Quality Center
4 1 (0.61%) Prometheus
4 1 (0.61%) Terraform
Vendors
1 11 (6.71%) Adobe
2 10 (6.10%) Microsoft
3 7 (4.27%) Google
4 4 (2.44%) Telerik
5 3 (1.83%) HP
5 3 (1.83%) Oracle
6 2 (1.22%) Hortonworks
6 2 (1.22%) Mirantis
6 2 (1.22%) Red Hat
6 2 (1.22%) VMware
7 1 (0.61%) MuleSoft
7 1 (0.61%) Zend