Period
to 22 February 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 February 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 Feb 2018
Same period 2017 Same period 2016
Rank 38 45 87
Rank change year-on-year +7 +42 -17
Contract jobs citing TDD 187 141 90
As % of all contract IT jobs advertised in Berkshire 4.65% 3.52% 1.82%
As % of the Processes & Methodologies category 5.56% 4.32% 2.26%
Number of daily rates quoted 110 89 80
Berkshire median daily rate £383 £413 £376
Median daily rate % change year-on-year -7.27% +9.71% +7.43%
10th Percentile £313 £294 £325
90th Percentile £463 £525 £488
South East median daily rate £425 £431 £390
% change year-on-year -1.45% +10.58% +4.00%
Number of hourly rates quoted 5 0 1
Berkshire median hourly rate £8.00 - £175.00
South East median hourly rate £45.00 £36.50 £50.00
% change year-on-year +23.29% -27.00% +25.00%

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 3,363 3,263 3,990
As % of all contract IT jobs advertised in Berkshire 83.66% 81.53% 80.48%
Number of daily rates quoted 1,728 1,668 2,129
Berkshire median daily rate £425 £400 £400
Median daily rate % change year-on-year +6.25% - +0.63%
10th Percentile £275 £235 £250
90th Percentile £588 £563 £538
South East median daily rate £425 £413 £400
% change year-on-year +3.03% +3.13% +6.67%
Number of hourly rates quoted 83 122 155
Berkshire median hourly rate £14.00 £18.12 £24.00
Median hourly rate % change year-on-year -22.72% -24.52% +14.29%
10th Percentile £10.72 £11.33 £10.71
90th Percentile £43.75 £55.00 £48.00
South East median hourly rate £24.56 £25.00 £30.00
% change year-on-year -1.76% -16.67% +50.00%

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 February 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 22 February 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 22 February 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 +17 80 £375 -9.09% 32
Bracknell -3 36 £413 -8.33% 6
Newbury +4 26 £438 +50.86% 7
Slough -2 9 £400 +26.98% 8
Maidenhead -14 7 £433 +23.57% 7
Windsor - 1 £375 -
TDD
South East

For the 6 months to 22 February 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.

1 132 (70.59%) Agile Software Development
2 116 (62.03%) JavaScript
3 87 (46.52%) BDD
4 78 (41.71%) HTML
5 76 (40.64%) CSS
6 74 (39.57%) Scrum
7 72 (38.50%) AngularJS
8 70 (37.43%) Continuous Integration
9 59 (31.55%) REST
9 59 (31.55%) .NET
10 57 (30.48%) HTML5
11 52 (27.81%) C#
12 50 (26.74%) Sass
13 48 (25.67%) Git (software)
14 47 (25.13%) Java
15 44 (23.53%) Test Automation
16 43 (22.99%) SQL Server
16 43 (22.99%) Twitter Bootstrap
16 43 (22.99%) React
17 40 (21.39%) Computer Science
18 39 (20.86%) Microservices
19 38 (20.32%) Degree
19 38 (20.32%) SQL
19 38 (20.32%) MVC
20 37 (19.79%) webpack
21 36 (19.25%) CRM
22 35 (18.72%) Computer Science Degree
23 34 (18.18%) gulp
23 34 (18.18%) Front End Development
23 34 (18.18%) Linux

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 23 (12.30%) Confluence
2 10 (5.35%) IIS
3 8 (4.28%) Apache Solr
4 6 (3.21%) Adobe Experience Manager
4 6 (3.21%) BizTalk Server
4 6 (3.21%) Elasticsearch
5 5 (2.67%) Oracle SOA Suite
6 4 (2.14%) JBoss
6 4 (2.14%) NServiceBus
7 3 (1.60%) Apache
7 3 (1.60%) Tomcat
8 2 (1.07%) Apache TomEE
8 2 (1.07%) GlassFish
8 2 (1.07%) WebLogic
8 2 (1.07%) WebSphere
9 1 (0.53%) Alfresco
9 1 (0.53%) Joomla!
9 1 (0.53%) Mule
9 1 (0.53%) Mule ESB
Applications
1 6 (3.21%) MS Visio
2 4 (2.14%) Microsoft Office
3 2 (1.07%) Microsoft Project
Business Applications
1 2 (1.07%) SAP Hybris
Cloud Services
1 30 (16.04%) Microsoft Azure
2 27 (14.44%) Amazon AWS
2 27 (14.44%) npm
3 11 (5.88%) AWS Lambda
3 11 (5.88%) Serverless
4 9 (4.81%) IaaS
4 9 (4.81%) PaaS
5 6 (3.21%) Amazon CloudWatch
5 6 (3.21%) Amazon EC2
5 6 (3.21%) Amazon ElastiCache
5 6 (3.21%) Amazon S3
5 6 (3.21%) Amazon SQS
5 6 (3.21%) CloudFront
6 5 (2.67%) Firebase
6 5 (2.67%) Google Cloud Platform
7 4 (2.14%) GitHub
8 3 (1.60%) Amazon Kinesis
8 3 (1.60%) AWS CloudFormation
8 3 (1.60%) SaaS
9 2 (1.07%) Google Compute Engine
Communications & Networking
1 9 (4.81%) Firewall
1 9 (4.81%) TCP/IP
2 7 (3.74%) HTTP
3 4 (2.14%) Internet
4 3 (1.60%) Intranet
5 2 (1.07%) Value-Added Service
Database & Business Intelligence
1 43 (22.99%) SQL Server
2 11 (5.88%) Apache Cassandra
3 10 (5.35%) NoSQL
4 9 (4.81%) Amazon DynamoDB
5 6 (3.21%) Big Data
5 6 (3.21%) Relational Database
6 5 (2.67%) MySQL
7 3 (1.60%) MongoDB
7 3 (1.60%) SQL Server Integration Services
8 2 (1.07%) PostgreSQL
8 2 (1.07%) Redis
9 1 (0.53%) Blockchain
9 1 (0.53%) SAP HANA
Development Applications
1 48 (25.67%) Git (software)
2 37 (19.79%) webpack
3 34 (18.18%) gulp
4 29 (15.51%) JIRA
4 29 (15.51%) Karma Test Runner
5 28 (14.97%) Jasmine
6 27 (14.44%) Protractor
7 25 (13.37%) Maven
8 22 (11.76%) Jenkins
9 21 (11.23%) Team Foundation Server
10 20 (10.70%) Eclipse
11 16 (8.56%) JUnit
12 12 (6.42%) Mercurial
13 10 (5.35%) Octopus Deploy
14 9 (4.81%) Gradle
14 9 (4.81%) IntelliJ
14 9 (4.81%) NuGet
14 9 (4.81%) TeamCity
14 9 (4.81%) Visual Studio
15 8 (4.28%) Cucumber
General
1 9 (4.81%) Finance
2 8 (4.28%) Telecoms
3 5 (2.67%) Retail
4 2 (1.07%) Games
4 2 (1.07%) Legal
5 1 (0.53%) Automotive
5 1 (0.53%) Electronics
5 1 (0.53%) Manufacturing
Job Titles
1 159 (85.03%) Developer
2 32 (17.11%) Front End Developer (Client-Side Developer)
3 25 (13.37%) Java Developer
4 24 (12.83%) JavaScript Developer
5 22 (11.76%) .NET Developer
6 19 (10.16%) Python Developer
7 16 (8.56%) React Developer
8 15 (8.02%) Software Developer
9 13 (6.95%) Senior Developer
10 12 (6.42%) Full Stack Developer
11 6 (3.21%) Software Engineer
12 5 (2.67%) Angular Developer
12 5 (2.67%) Architect
12 5 (2.67%) DevOps Developer
13 4 (2.14%) C# Developer
13 4 (2.14%) Scrum Master
13 4 (2.14%) Senior Java Developer
13 4 (2.14%) Sitecore Developer
14 3 (1.60%) BizTalk Developer
14 3 (1.60%) SQL Developer
Libraries, Frameworks & Software Standards
1 78 (41.71%) HTML
2 76 (40.64%) CSS
3 72 (38.50%) AngularJS
4 59 (31.55%) .NET
4 59 (31.55%) REST
5 57 (30.48%) HTML5
6 50 (26.74%) Sass
7 43 (22.99%) React
7 43 (22.99%) Twitter Bootstrap
8 30 (16.04%) Web Services
9 25 (13.37%) ASP.NET
10 23 (12.30%) CSS3
10 23 (12.30%) Node.js
11 20 (10.70%) NumPy
11 20 (10.70%) Pandas
11 20 (10.70%) SciPy
12 19 (10.16%) Spring
13 17 (9.09%) Hibernate
14 16 (8.56%) .NET Core
15 15 (8.02%) JSF
Miscellaneous
1 40 (21.39%) Computer Science
2 14 (7.49%) Mobile App
3 11 (5.88%) Greenfield Project
4 10 (5.35%) Life Science
5 9 (4.81%) Algorithms
5 9 (4.81%) User Experience
6 5 (2.67%) Data Structures
7 4 (2.14%) Analytical Skills
8 3 (1.60%) iPad
8 3 (1.60%) Public Cloud
9 2 (1.07%) Enterprise Software
10 1 (0.53%) Fintech
10 1 (0.53%) RIA
10 1 (0.53%) Semantic Web
Operating Systems
1 34 (18.18%) Linux
2 23 (12.30%) Windows
3 11 (5.88%) Unix
4 8 (4.28%) Apple iOS
5 6 (3.21%) Android
6 4 (2.14%) Embedded Linux
7 3 (1.60%) HPUX
8 1 (0.53%) Windows Server
Processes & Methodologies
1 132 (70.59%) Agile Software Development
2 87 (46.52%) BDD
3 74 (39.57%) Scrum
4 70 (37.43%) Continuous Integration
5 44 (23.53%) Test Automation
6 39 (20.86%) Microservices
7 38 (20.32%) MVC
8 36 (19.25%) CRM
9 34 (18.18%) Front End Development
10 32 (17.11%) DevOps
10 32 (17.11%) Software Engineering
11 31 (16.58%) Open Source
12 28 (14.97%) Unit Testing
13 25 (13.37%) SDLC
14 24 (12.83%) Kanban
15 22 (11.76%) User Stories
16 21 (11.23%) Pair Programming
17 17 (9.09%) SOA
18 15 (8.02%) E-Commerce
19 14 (7.49%) Multithreading
Programming Languages
1 116 (62.03%) JavaScript
2 52 (27.81%) C#
3 47 (25.13%) Java
4 38 (20.32%) SQL
5 31 (16.58%) C++
5 31 (16.58%) ES6
6 27 (14.44%) ES7
7 25 (13.37%) Python
8 13 (6.95%) C
9 10 (5.35%) T-SQL
10 9 (4.81%) CQL
11 6 (3.21%) Scala
12 5 (2.67%) XPath
13 4 (2.14%) Go
14 3 (1.60%) PHP
14 3 (1.60%) PL/SQL
15 2 (1.07%) Objective-C
16 1 (0.53%) Ruby
16 1 (0.53%) TypeScript
16 1 (0.53%) VBScript
Qualifications
1 38 (20.32%) Degree
2 35 (18.72%) Computer Science Degree
3 3 (1.60%) SC Cleared
3 3 (1.60%) Security Cleared
Quality Assurance & Compliance
1 26 (13.90%) QA
2 9 (4.81%) ISO 9001
2 9 (4.81%) ISO/IEC 27001
3 4 (2.14%) GDPR
4 2 (1.07%) SLA
5 1 (0.53%) WCAG
System Software
1 9 (4.81%) VMware Infrastructure
2 5 (2.67%) Docker
Systems Management
1 9 (4.81%) Opsview
2 2 (1.07%) Ansible
2 2 (1.07%) HP Quality Center
2 2 (1.07%) Opscode Chef
Vendors
1 27 (14.44%) Twitter
2 13 (6.95%) Microsoft
3 9 (4.81%) Oracle
3 9 (4.81%) VMware
4 6 (3.21%) Adobe
4 6 (3.21%) Google
5 4 (2.14%) Sitecore
6 3 (1.60%) Cisco
6 3 (1.60%) HP
6 3 (1.60%) SAP
7 2 (1.07%) Capita
7 2 (1.07%) hybris
7 2 (1.07%) IBM
7 2 (1.07%) MuleSoft
7 2 (1.07%) Red Hat
7 2 (1.07%) Xamarin
8 1 (0.53%) Salesforce.com