The following table provides summary statistics for contract job vacancies advertised in the North West with a requirement for ATDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited ATDD over the 3 months to 24 March 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.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
Acceptance Test-Driven Development (ATDD)
England / North West
Rank - 157 148
Contract jobs citing ATDD 0 2 2
As % of all contract IT jobs advertised in the North West - 0.052% 0.057%
As % of the Processes & Methodologies category - 0.064% 0.072%
Number of daily rates quoted 0 1 2
Median daily rate - £488 £363
Median daily rate % change year-on-year - +34.48%  
UK excluding London median daily rate £495 £394 £338
% change year-on-year +25.71% +16.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

ATDD 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 the North West with a requirement for process and methodology skills.

Contract Process & Methodology Skills
North West
Contract job vacancies with a requirement for process and methodology skills 2141 3145 2764
As % of all contract IT job vacancies advertised in the North West 82.35% 82.27% 78.75%
Number of daily rates quoted 1352 1906 1515
Median daily rate £400 £400 £400
90% offered a daily rate of more than £283 £290 £275
10% offered a daily rate of more than £550 £538 £550
UK excluding London median daily rate £410 £400 £400
% change year-on-year +2.50% -  
Number of hourly rates quoted 110 124 125
Median hourly rate £40.00 £37.50 £39.25
Median hourly rate % change year-on-year +6.66% -4.45%  
90% offered a hourly rate of more than £15.50 £16.00 £13.00
10% offered a hourly rate of more than £50.20 £50.00 £60.00
UK excluding London median hourly rate £36.00 £39.00 £30.00
% change year-on-year -7.69% +30.00%  

ATDD
Job Vacancy Trend in the North West

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

Job vacancy trend for ATDD in the North West

ATDD
Contractor Daily Rate Trend in the North West

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing ATDD in the North West.

Contractor daily rate trend for ATDD in the North West

ATDD
Top 30 Related IT Skills in the North West

For the 6 months to 24 March 2017, IT contractor jobs citing ATDD 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 North West region with a requirement for ATDD.

1 5 (100.00%) TDD
2 4 (80.00%) Agile Software Development
2 4 (80.00%) Java
2 4 (80.00%) BDD
3 3 (60.00%) Hadoop
3 3 (60.00%) Continuous Improvement
3 3 (60.00%) Test Automation
3 3 (60.00%) Apache Spark
3 3 (60.00%) Continuous Delivery
3 3 (60.00%) HDInsight
3 3 (60.00%) Spark SQL
3 3 (60.00%) Spark Streaming
3 3 (60.00%) SQL
3 3 (60.00%) Python
3 3 (60.00%) Pair Programming
3 3 (60.00%) ETL
4 2 (40.00%) Programme Management
4 2 (40.00%) SAP Oil and Gas
4 2 (40.00%) Digital Marketing
4 2 (40.00%) SAP
4 2 (40.00%) Business Intelligence
4 2 (40.00%) Electronics
4 2 (40.00%) Telecoms
4 2 (40.00%) Finance
4 2 (40.00%) Manufacturing
4 2 (40.00%) Electronic Patient Records
4 2 (40.00%) Software Delivery
4 2 (40.00%) Google Cloud Platform
4 2 (40.00%) Amazon EMR
4 2 (40.00%) Google

ATDD
Top Related IT Skills in the North West 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 3 (60.00%) Apache Spark
Business Applications
1 2 (40.00%) SAP Oil and Gas
Cloud Services
1 2 (40.00%) Amazon AWS
1 2 (40.00%) Amazon EMR
1 2 (40.00%) Google Cloud Platform
1 2 (40.00%) Microsoft Azure
Communications & Networking
1 1 (20.00%) HTTP
Database & Business Intelligence
1 3 (60.00%) Hadoop
1 3 (60.00%) HDInsight
1 3 (60.00%) Spark SQL
2 2 (40.00%) Big Data
2 2 (40.00%) Electronic Patient Records
3 1 (20.00%) Couchbase
3 1 (20.00%) CouchDB
3 1 (20.00%) Data Warehouse
3 1 (20.00%) NoSQL
Development Applications
1 1 (20.00%) Ant
1 1 (20.00%) Gradle
1 1 (20.00%) JUnit
1 1 (20.00%) Maven
General
1 2 (40.00%) Electronics
1 2 (40.00%) Finance
1 2 (40.00%) Manufacturing
1 2 (40.00%) Marketing
1 2 (40.00%) Telecoms
Job Titles
1 2 (40.00%) Developer
2 1 (20.00%) Apache Spark Developer
2 1 (20.00%) Big Data Developer
2 1 (20.00%) Big Data Engineer
2 1 (20.00%) Data Engineer
2 1 (20.00%) Hadoop Developer
2 1 (20.00%) Hadoop Engineer
2 1 (20.00%) Java Developer
2 1 (20.00%) Scrum Master
2 1 (20.00%) Senior Big Data Developer
2 1 (20.00%) Senior Data Engineer
2 1 (20.00%) Senior Developer
2 1 (20.00%) Senior Hadoop Developer
2 1 (20.00%) Senior Hadoop Engineer
Libraries, Frameworks & Software Standards
1 3 (60.00%) Spark Streaming
2 1 (20.00%) ActiveMQ
2 1 (20.00%) Apache Camel
2 1 (20.00%) CSS
2 1 (20.00%) HTML
2 1 (20.00%) RESTful
2 1 (20.00%) Spring
2 1 (20.00%) Spring MVC
2 1 (20.00%) Web Services
Processes & Methodologies
1 5 (100.00%) TDD
2 4 (80.00%) Agile Software Development
2 4 (80.00%) BDD
3 3 (60.00%) Continuous Delivery
3 3 (60.00%) Continuous Improvement
3 3 (60.00%) ETL
3 3 (60.00%) Pair Programming
3 3 (60.00%) Test Automation
4 2 (40.00%) Business Intelligence
4 2 (40.00%) Digital Marketing
4 2 (40.00%) Open Source
4 2 (40.00%) Programme Management
4 2 (40.00%) Software Delivery
5 1 (20.00%) E-Commerce
5 1 (20.00%) Feature Driven Development
5 1 (20.00%) Migration
5 1 (20.00%) MVC
5 1 (20.00%) Scrum
5 1 (20.00%) Strategic Planning
5 1 (20.00%) Systems Analysis
Programming Languages
1 4 (80.00%) Java
2 3 (60.00%) Python
2 3 (60.00%) SQL
3 1 (20.00%) JavaScript
3 1 (20.00%) Scala
Vendors
1 2 (40.00%) Google
1 2 (40.00%) SAP