The following table provides summary statistics for contract job vacancies advertised in Croydon with a requirement for Unit Testing skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Unit Testing over the 3 months to 25 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
25 Mar 2017
Same period 2016 Same period 2015
Unit Testing
London / Croydon
Rank 27 35 22
Rank change year-on-year +8 -13  
Contract jobs citing Unit Testing 2 2 1
As % of all contract IT jobs advertised in Croydon 1.14% 0.73% 0.86%
As % of the Processes & Methodologies category 1.35% 0.81% 0.99%
Number of daily rates quoted 2 2 1
Median daily rate £384 £424 £325
Median daily rate % change year-on-year -9.43% +30.38%  
UK excluding London median daily rate £391 £375 £347
% change year-on-year +4.33% +7.91%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.50 £44.85 £37.50
% change year-on-year -9.69% +19.60%  

Unit Testing 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 Croydon with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Croydon
Contract job vacancies with a requirement for process and methodology skills 148 248 101
As % of all contract IT job vacancies advertised in Croydon 84.09% 90.84% 87.07%
Number of daily rates quoted 93 214 84
Median daily rate £450 £425 £425
Median daily rate % change year-on-year +5.88% -  
90% offered a daily rate of more than £350 £323 £300
10% offered a daily rate of more than £640 £555 £500
UK excluding London median daily rate £410 £400 £400
% change year-on-year +2.50% +0.06%  
Number of hourly rates quoted 0 3 1
Median hourly rate - £21.00 £40.00
Median hourly rate % change year-on-year - -47.50%  
UK excluding London median hourly rate £36.00 £38.75 £30.00
% change year-on-year -7.09% +29.16%  

Unit Testing
Job Vacancy Trend in Croydon

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

Job vacancy trend for Unit Testing in Croydon

Unit Testing
Contractor Daily Rate Trend in Croydon

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Unit Testing in Croydon.

Contractor daily rate trend for Unit Testing in Croydon

Unit Testing
Top 30 Related IT Skills in Croydon

For the 6 months to 25 March 2017, IT contractor jobs citing Unit Testing 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 Croydon region with a requirement for Unit Testing.

1 2 (50.00%) Toad
1 2 (50.00%) Regression Testing
1 2 (50.00%) Agile Software Development
1 2 (50.00%) Performance Testing
1 2 (50.00%) Load Testing
1 2 (50.00%) Stress Testing
1 2 (50.00%) Integration Testing
1 2 (50.00%) iPad
1 2 (50.00%) Guidewire
1 2 (50.00%) Data Warehouse
1 2 (50.00%) Defect Management
2 1 (25.00%) BusinessObjects Business Intelligence
2 1 (25.00%) Data Modelling
2 1 (25.00%) ETL
2 1 (25.00%) Oracle ODI
2 1 (25.00%) Amazon Redshift
2 1 (25.00%) HDFS
2 1 (25.00%) Apache Spark
2 1 (25.00%) Hadoop YARN
2 1 (25.00%) Data Structures
2 1 (25.00%) Waterfall
2 1 (25.00%) SoapUI
2 1 (25.00%) Test Strategy
2 1 (25.00%) Big Data
2 1 (25.00%) Talend
2 1 (25.00%) Kafka
2 1 (25.00%) Kimball Methodology
2 1 (25.00%) Inmon Methodology
2 1 (25.00%) Test Management
2 1 (25.00%) Continuous Integration

Unit Testing
Top Related IT Skills in Croydon 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 1 (25.00%) Apache Spark
Cloud Services
1 1 (25.00%) Amazon AWS
Database & Business Intelligence
1 2 (50.00%) Data Warehouse
2 1 (25.00%) Amazon Redshift
2 1 (25.00%) Big Data
2 1 (25.00%) BusinessObjects
2 1 (25.00%) BusinessObjects Business Intelligence
2 1 (25.00%) Crystal Reports
2 1 (25.00%) Hadoop
2 1 (25.00%) OLTP
2 1 (25.00%) Oracle ODI
2 1 (25.00%) Pentaho
2 1 (25.00%) PostgreSQL
Development Applications
1 2 (50.00%) Toad
2 1 (25.00%) LoadRunner
2 1 (25.00%) SoapUI
2 1 (25.00%) Talend Open Studio
General
1 1 (25.00%) Billing
Job Titles
1 1 (25.00%) Analyst
1 1 (25.00%) Big Data Consultant
1 1 (25.00%) Business Developer
1 1 (25.00%) Consultant
1 1 (25.00%) Defect Manager
1 1 (25.00%) Developer
1 1 (25.00%) Performance Analyst
1 1 (25.00%) Performance Test Analyst
1 1 (25.00%) SAP BusinessObjects (BO) Developer
1 1 (25.00%) Test Analyst
Libraries, Frameworks & Software Standards
1 1 (25.00%) Kafka
1 1 (25.00%) SOAP
1 1 (25.00%) Web Services
1 1 (25.00%) XML
Miscellaneous
1 2 (50.00%) iPad
2 1 (25.00%) Data Structures
Processes & Methodologies
1 2 (50.00%) Agile Software Development
1 2 (50.00%) Defect Management
1 2 (50.00%) Integration Testing
1 2 (50.00%) Load Testing
1 2 (50.00%) Performance Testing
1 2 (50.00%) Regression Testing
1 2 (50.00%) Stress Testing
2 1 (25.00%) Business Intelligence
2 1 (25.00%) Continuous Integration
2 1 (25.00%) Data Mapping
2 1 (25.00%) Data Modelling
2 1 (25.00%) ETL
2 1 (25.00%) Inmon Methodology
2 1 (25.00%) Kimball Methodology
2 1 (25.00%) Project Management
2 1 (25.00%) Test Management
2 1 (25.00%) Test Strategy
2 1 (25.00%) User Acceptance Testing
2 1 (25.00%) Volume Testing
2 1 (25.00%) Waterfall
Programming Languages
1 1 (25.00%) Java
1 1 (25.00%) Scala
1 1 (25.00%) SQL
Qualifications
1 1 (25.00%) SC Cleared
1 1 (25.00%) Security Cleared
Quality Assurance & Compliance
1 1 (25.00%) QA
System Software
1 1 (25.00%) HDFS
Systems Management
1 1 (25.00%) Hadoop YARN
1 1 (25.00%) HP Quality Center
Vendors
1 2 (50.00%) Guidewire
2 1 (25.00%) HP
2 1 (25.00%) Informatica
2 1 (25.00%) Oracle
2 1 (25.00%) Talend
2 1 (25.00%) Teradata