The following table provides summary statistics for contract job vacancies advertised in Guildford with a requirement for Big Data skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Big Data over the 3 months to 27 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.

Big Data
Surrey / Guildford
3 months to
27 Mar 2017
Same period 2016 Same period 2015
Rank 19 23 28
Rank change year-on-year +4 +5  
Contract jobs citing Big Data 5 5 4
As % of all contract IT jobs advertised in Guildford 3.79% 3.40% 1.83%
As % of the Database & Business Intelligence category 19.23% 11.63% 18.18%
Number of daily rates quoted 5 3 2
Median daily rate £475 £380 £330
Median daily rate % change year-on-year +25.00% +15.15%  
90% offered a daily rate of more than £450 £276 £314
10% offered a daily rate of more than £490 £406 £346
UK excluding London median daily rate £488 £470 £500
% change year-on-year +3.72% -6.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.00 £33.06 £34.50
% change year-on-year +42.18% -4.18%  

Big Data is in the database and business intelligence skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Guildford with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
Guildford
Contract job vacancies with a requirement for database and business intelligence skills 26 43 22
As % of all contract IT job vacancies advertised in Guildford 19.70% 29.25% 10.09%
Number of daily rates quoted 21 29 12
Median daily rate £438 £475 £325
Median daily rate % change year-on-year -7.89% +46.15%  
90% offered a daily rate of more than £290 £250 £240
10% offered a daily rate of more than £490 £575 £375
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £34.24 £32.50 £32.50
% change year-on-year +5.35% -  

Big Data
Job Vacancy Trend in Guildford

The job posting trend of jobs advertised in Guildford citing Big Data as a proportion of all contract or permanent IT jobs with a match in the Database & Business Intelligence category.

Job vacancy trend for Big Data in Guildford

Big Data
Contractor Daily Rate Trend in Guildford

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Big Data in Guildford.

Contractor daily rate trend for Big Data in Guildford

Big Data
Top 30 Co-occurring IT Skills in Guildford

For the 6 months to 27 March 2017, IT contractor jobs citing Big Data 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 Guildford region with a requirement for Big Data.

1 9 (100.00%) Java
2 7 (77.78%) Spring
2 7 (77.78%) Hadoop
3 6 (66.67%) Apache Spark
4 5 (55.56%) Agile Software Development
4 5 (55.56%) TDD
4 5 (55.56%) J2EE
4 5 (55.56%) Linux
5 4 (44.44%) Finance
6 3 (33.33%) Hibernate
6 3 (33.33%) Apache
6 3 (33.33%) Unix
6 3 (33.33%) BDD
6 3 (33.33%) RabbitMQ
6 3 (33.33%) REST
6 3 (33.33%) Apache ZooKeeper
6 3 (33.33%) JSON
6 3 (33.33%) Unit Testing
6 3 (33.33%) System Testing
6 3 (33.33%) Hadoop YARN
6 3 (33.33%) Kafka
6 3 (33.33%) Jenkins
6 3 (33.33%) Middleware
7 2 (22.22%) Oozie
7 2 (22.22%) Angular 2
7 2 (22.22%) Elasticsearch
7 2 (22.22%) AngularJS
7 2 (22.22%) Spring Boot
7 2 (22.22%) Test Scripting
7 2 (22.22%) Selenium

Big Data
Co-occurring IT Skills in Guildford 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 6 (66.67%) Apache Spark
2 3 (33.33%) Apache
3 2 (22.22%) Elasticsearch
Database & Business Intelligence
1 7 (77.78%) Hadoop
2 1 (11.11%) Apache Hive
2 1 (11.11%) HBase
Development Applications
1 3 (33.33%) Jenkins
2 2 (22.22%) Selenium
General
1 4 (44.44%) Finance
Job Titles
1 8 (88.89%) Developer
2 5 (55.56%) Java Developer
3 2 (22.22%) J2EE Developer
3 2 (22.22%) Java/J2EE Developer
3 2 (22.22%) Test Automation Developer
4 1 (11.11%) Apache Spark Developer
4 1 (11.11%) Big Data Developer
Libraries, Frameworks & Software Standards
1 7 (77.78%) Spring
2 5 (55.56%) J2EE
3 3 (33.33%) Hibernate
3 3 (33.33%) JSON
3 3 (33.33%) Kafka
3 3 (33.33%) Middleware
3 3 (33.33%) RabbitMQ
3 3 (33.33%) REST
4 2 (22.22%) Angular 2
4 2 (22.22%) AngularJS
4 2 (22.22%) JMS
4 2 (22.22%) Spring Boot
5 1 (11.11%) Spark Streaming
5 1 (11.11%) Spring MVC
Operating Systems
1 5 (55.56%) Linux
2 3 (33.33%) Unix
Processes & Methodologies
1 5 (55.56%) Agile Software Development
1 5 (55.56%) TDD
2 3 (33.33%) BDD
2 3 (33.33%) System Testing
2 3 (33.33%) Unit Testing
3 2 (22.22%) Load Testing
3 2 (22.22%) Test Automation
3 2 (22.22%) Test Scripting
4 1 (11.11%) Concurrent Programming
4 1 (11.11%) Kanban
4 1 (11.11%) Low Latency
4 1 (11.11%) Multithreading
4 1 (11.11%) MVC
4 1 (11.11%) Scrum
Programming Languages
1 9 (100.00%) Java
2 2 (22.22%) Scala
Qualifications
1 2 (22.22%) ISEB
1 2 (22.22%) ISTQB
System Software
1 3 (33.33%) Apache ZooKeeper
Systems Management
1 3 (33.33%) Hadoop YARN
2 2 (22.22%) Oozie
Vendors
1 1 (11.11%) Hortonworks