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 June 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 Jun 2017
Same period 2016 Same period 2015
Rank 13 5 18
Rank change year-on-year -8 +13  
Contract jobs citing Big Data 6 11 7
As % of all contract IT jobs advertised in Guildford 5.94% 12.36% 4.58%
As % of the Database & Business Intelligence category 37.50% 44.00% 17.95%
Number of daily rates quoted 6 11 3
Median daily rate £481 £413 £400
Median daily rate % change year-on-year +16.66% +3.12%  
90% offered a daily rate of more than £475 £400 £320
10% offered a daily rate of more than £494 £475 £460
UK excluding London median daily rate £438 £450 £475
% change year-on-year -2.77% -5.26%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £50.00 £42.65 £16.00
% change year-on-year +17.23% +166.56%  

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 16 25 39
As % of all contract IT job vacancies advertised in Guildford 15.84% 28.09% 25.49%
Number of daily rates quoted 11 19 28
Median daily rate £475 £413 £369
Median daily rate % change year-on-year +15.15% +11.86%  
UK excluding London median daily rate £400 £383 £350
% change year-on-year +4.57% +9.28%  
Number of hourly rates quoted 1 3 0
Median hourly rate £13.50 £23.00 -
Median hourly rate % change year-on-year -41.30% -  
UK excluding London median hourly rate £38.00 £31.14 £26.00
% change year-on-year +22.04% +19.75%  

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

For the 6 months to 27 June 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 11 (100.00%) Java
1 11 (100.00%) J2EE
2 9 (81.82%) Finance
2 9 (81.82%) Agile Software Development
2 9 (81.82%) Spring
2 9 (81.82%) Hadoop
2 9 (81.82%) Kafka
2 9 (81.82%) Jenkins
3 7 (63.64%) Middleware
3 7 (63.64%) Unix
3 7 (63.64%) Linux
3 7 (63.64%) Apache
3 7 (63.64%) TDD
3 7 (63.64%) JSON
3 7 (63.64%) Unit Testing
3 7 (63.64%) System Testing
3 7 (63.64%) BDD
3 7 (63.64%) RabbitMQ
3 7 (63.64%) REST
3 7 (63.64%) Apache Spark
3 7 (63.64%) Hadoop YARN
3 7 (63.64%) Apache ZooKeeper
4 6 (54.55%) Spring Boot
5 2 (18.18%) Sonatype Nexus
5 2 (18.18%) HBase
5 2 (18.18%) NoSQL
5 2 (18.18%) DevOps
5 2 (18.18%) JMS
5 2 (18.18%) Hibernate
5 2 (18.18%) Scrum

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 7 (63.64%) Apache
1 7 (63.64%) Apache Spark
Database & Business Intelligence
1 9 (81.82%) Hadoop
2 2 (18.18%) HBase
2 2 (18.18%) NoSQL
Development Applications
1 9 (81.82%) Jenkins
2 2 (18.18%) Sonatype Nexus
General
1 9 (81.82%) Finance
Job Titles
1 8 (72.73%) Developer
1 8 (72.73%) Java Developer
2 2 (18.18%) DevOps Engineer
2 2 (18.18%) J2EE Developer
2 2 (18.18%) Java/J2EE Developer
3 1 (9.09%) Hadoop Developer
3 1 (9.09%) Java Hadoop Developer
Libraries, Frameworks & Software Standards
1 11 (100.00%) J2EE
2 9 (81.82%) Kafka
2 9 (81.82%) Spring
3 7 (63.64%) JSON
3 7 (63.64%) Middleware
3 7 (63.64%) RabbitMQ
3 7 (63.64%) REST
4 6 (54.55%) Spring Boot
5 2 (18.18%) Hibernate
5 2 (18.18%) JMS
6 1 (9.09%) Spark Streaming
Operating Systems
1 7 (63.64%) Linux
1 7 (63.64%) Unix
Processes & Methodologies
1 9 (81.82%) Agile Software Development
2 7 (63.64%) BDD
2 7 (63.64%) System Testing
2 7 (63.64%) TDD
2 7 (63.64%) Unit Testing
3 2 (18.18%) DevOps
3 2 (18.18%) Scrum
Programming Languages
1 11 (100.00%) Java
System Software
1 7 (63.64%) Apache ZooKeeper
Systems Management
1 7 (63.64%) Hadoop YARN