The following table provides summary statistics for contract job vacancies advertised in Farnborough with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 3 months to 23 April 2017 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)
Hampshire / Farnborough
3 months to
23 Apr 2017
Same period 2016 Same period 2015
Rank 5 13 -
Rank change year-on-year +8 -  
Contract jobs citing TDD 9 5 0
As % of all contract IT jobs advertised in Farnborough 15.79% 6.76% -
As % of the Processes & Methodologies category 22.50% 9.09% -
Number of daily rates quoted 2 4 0
Median daily rate £525 £378 -
Median daily rate % change year-on-year +39.07% -  
UK excluding London median daily rate £400 £400 £375
% change year-on-year - +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £37.00 £44.00 £39.25
% change year-on-year -15.90% +12.10%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Farnborough with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Farnborough
Contract job vacancies with a requirement for process and methodology skills 40 55 70
As % of all contract IT job vacancies advertised in Farnborough 70.18% 74.32% 60.34%
Number of daily rates quoted 14 33 44
Median daily rate £388 £450 £413
Median daily rate % change year-on-year -13.88% +9.09%  
90% offered a daily rate of more than £275 £350 £256
10% offered a daily rate of more than £525 £550 £475
UK excluding London median daily rate £413 £400 £395
% change year-on-year +3.12% +1.26%  
Number of hourly rates quoted 12 6 3
Median hourly rate £68.32 £38.00 £45.00
Median hourly rate % change year-on-year +79.78% -15.55%  
UK excluding London median hourly rate £36.00 £37.50 £31.00
% change year-on-year -4.00% +20.96%  

TDD
Job Vacancy Trend in Farnborough

The job posting trend of jobs advertised in Farnborough citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Farnborough

TDD
Contractor Daily Rate Trend in Farnborough

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Farnborough.

Contractor daily rate trend for TDD in Farnborough

TDD
Contractor Hourly Rate Trend in Farnborough

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in Farnborough.

Contractor hourly rate trend for TDD in Farnborough

For the 6 months to 23 April 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Farnborough region with a requirement for TDD.

1 22 (95.65%) Agile Software Development
2 19 (82.61%) Java
3 17 (73.91%) Spring
4 11 (47.83%) Web Development
4 11 (47.83%) RESTful
5 10 (43.48%) Hibernate
6 9 (39.13%) Unit Testing
6 9 (39.13%) HTML
6 9 (39.13%) Git (software)
7 8 (34.78%) Jenkins
7 8 (34.78%) BDD
7 8 (34.78%) Unix
7 8 (34.78%) Linux
7 8 (34.78%) Shell Script
8 7 (30.43%) Tomcat
8 7 (30.43%) J2EE
8 7 (30.43%) Continuous Integration
8 7 (30.43%) System Testing
8 7 (30.43%) HBase
8 7 (30.43%) Microservices
9 6 (26.09%) User Experience
9 6 (26.09%) HTML5
9 6 (26.09%) REST
9 6 (26.09%) JavaScript
10 5 (21.74%) Web Services
10 5 (21.74%) Apache
10 5 (21.74%) Benchmarking
10 5 (21.74%) Finance
10 5 (21.74%) Spring Integration
10 5 (21.74%) Big Data

TDD
Co-occurring IT Skills in Farnborough 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 (30.43%) Tomcat
2 5 (21.74%) Apache
3 4 (17.39%) Apache Spark
4 2 (8.70%) Cloud Foundry
4 2 (8.70%) GemFire
4 2 (8.70%) OpenStack
Cloud Services
1 5 (21.74%) GitHub
2 2 (8.70%) Amazon AWS
2 2 (8.70%) Microsoft Azure
2 2 (8.70%) PaaS
Communications & Networking
1 3 (13.04%) TCP/IP
Database & Business Intelligence
1 7 (30.43%) HBase
2 5 (21.74%) Big Data
2 5 (21.74%) Hadoop
3 3 (13.04%) Oracle Database
3 3 (13.04%) Parquet
3 3 (13.04%) RDBMS
3 3 (13.04%) Relational Database
4 2 (8.70%) Apache Hive
4 2 (8.70%) MySQL
4 2 (8.70%) OLTP
4 2 (8.70%) PostgreSQL
Development Applications
1 9 (39.13%) Git (software)
2 8 (34.78%) Jenkins
3 5 (21.74%) Gradle
4 4 (17.39%) Bower
4 4 (17.39%) gulp
4 4 (17.39%) Jasmine
4 4 (17.39%) Selenium
5 3 (13.04%) Cucumber
5 3 (13.04%) Mockito
6 2 (8.70%) JUnit
7 1 (4.35%) Eclipse
7 1 (4.35%) IntelliJ
General
1 5 (21.74%) Finance
Job Titles
1 21 (91.30%) Developer
2 17 (73.91%) Java Developer
3 9 (39.13%) Agile Developer
4 7 (30.43%) Agile Java Developer
5 4 (17.39%) Big Data Developer
6 3 (13.04%) Angular Developer
6 3 (13.04%) Front End Developer (Client-Side Developer)
6 3 (13.04%) Lead Developer
7 2 (8.70%) Applications Developer
7 2 (8.70%) Front End Web Developer (Client-Side Developer)
7 2 (8.70%) Java Applications Developer
7 2 (8.70%) Java Engineer
7 2 (8.70%) Java Software Engineer
7 2 (8.70%) Lead Web Developer
7 2 (8.70%) Python Software Engineer
7 2 (8.70%) Ruby Engineer
7 2 (8.70%) Software Engineer
7 2 (8.70%) Web Developer
8 1 (4.35%) Hadoop Developer
8 1 (4.35%) Java Hadoop Developer
Libraries, Frameworks & Software Standards
1 17 (73.91%) Spring
2 11 (47.83%) RESTful
3 10 (43.48%) Hibernate
4 9 (39.13%) HTML
5 7 (30.43%) J2EE
6 6 (26.09%) HTML5
6 6 (26.09%) REST
7 5 (21.74%) Kafka
7 5 (21.74%) Spring Boot
7 5 (21.74%) Spring Integration
7 5 (21.74%) Web Services
8 4 (17.39%) AngularJS
8 4 (17.39%) CSS
8 4 (17.39%) CSS3
8 4 (17.39%) JSON
8 4 (17.39%) Middleware
8 4 (17.39%) Node.js
8 4 (17.39%) Sass
8 4 (17.39%) Twitter Bootstrap
9 3 (13.04%) RabbitMQ
Miscellaneous
1 6 (26.09%) User Experience
2 5 (21.74%) Linux Command Line
3 4 (17.39%) Virtual Team
4 3 (13.04%) Enterprise Software
5 1 (4.35%) Replication
Operating Systems
1 8 (34.78%) Linux
1 8 (34.78%) Unix
2 2 (8.70%) Red Hat Enterprise Linux
Processes & Methodologies
1 22 (95.65%) Agile Software Development
2 11 (47.83%) Web Development
3 9 (39.13%) Unit Testing
4 8 (34.78%) BDD
5 7 (30.43%) Continuous Integration
5 7 (30.43%) Microservices
5 7 (30.43%) System Testing
6 5 (21.74%) Benchmarking
6 5 (21.74%) OWASP
7 4 (17.39%) OO
7 4 (17.39%) Scrum
8 3 (13.04%) Front End Development
8 3 (13.04%) Integration Testing
8 3 (13.04%) SDLC
9 2 (8.70%) DevOps
9 2 (8.70%) Software Engineering
9 2 (8.70%) Validation
10 1 (4.35%) ETL
10 1 (4.35%) Performance Tuning
10 1 (4.35%) User Stories
Programming Languages
1 19 (82.61%) Java
2 8 (34.78%) Shell Script
3 6 (26.09%) JavaScript
4 2 (8.70%) Python
4 2 (8.70%) Ruby
4 2 (8.70%) Scala
5 1 (4.35%) SQL
Qualifications
1 4 (17.39%) Degree
Quality Assurance & Compliance
1 4 (17.39%) QA
System Software
1 5 (21.74%) HDFS
2 3 (13.04%) Apache ZooKeeper
3 2 (8.70%) VMware Infrastructure
Systems Management
1 3 (13.04%) Hadoop YARN
Vendors
1 3 (13.04%) Oracle
2 2 (8.70%) Red Hat
2 2 (8.70%) VMware