The following table provides summary statistics for contract job vacancies advertised in Reading 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 25 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
Berkshire / Reading
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 49 59 51
Rank change year-on-year +10 -8  
Contract jobs citing Big Data 8 11 18
As % of all contract IT jobs advertised in Reading 1.39% 1.29% 2.09%
As % of the Database & Business Intelligence category 6.50% 7.97% 11.11%
Number of daily rates quoted 5 10 11
Median daily rate £400 £500 £500
Median daily rate % change year-on-year -20.00% -  
90% offered a daily rate of more than £330 £435 £450
10% offered a daily rate of more than £510 £503 £525
UK excluding London median daily rate £436 £450 £475
% change year-on-year -3.05% -5.26%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £50.00 - £16.00

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 Reading with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
Reading
Contract job vacancies with a requirement for database and business intelligence skills 123 138 162
As % of all contract IT job vacancies advertised in Reading 21.43% 16.16% 18.79%
Number of daily rates quoted 66 81 102
Median daily rate £400 £425 £400
Median daily rate % change year-on-year -5.88% +6.25%  
90% offered a daily rate of more than £325 £339 £269
10% offered a daily rate of more than £525 £500 £502
UK excluding London median daily rate £400 £383 £350
% change year-on-year +4.57% +9.28%  
Number of hourly rates quoted 16 11 0
Median hourly rate £9.50 £9.50 -
UK excluding London median hourly rate £38.00 £30.50 £26.00
% change year-on-year +24.59% +17.30%  

Big Data
Job Vacancy Trend in Reading

The job posting trend of jobs advertised in Reading 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 Reading

Big Data
Contractor Daily Rate Trend in Reading

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

Contractor daily rate trend for Big Data in Reading

Big Data
Contractor Daily Rate Histogram in Reading

The daily rate distribution of IT jobs citing Big Data in Reading over the 3 months to 25 June 2017.

Contractor daily rate histogram for Big Data in Reading

For the 6 months to 25 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 Reading region with a requirement for Big Data.

1 24 (68.57%) Hadoop
2 23 (65.71%) Java
3 14 (40.00%) Apache Hive
3 14 (40.00%) HBase
3 14 (40.00%) Apache Spark
4 13 (37.14%) MapReduce
5 12 (34.29%) NoSQL
5 12 (34.29%) Scala
5 12 (34.29%) Python
6 11 (31.43%) Linux
7 10 (28.57%) Business Intelligence
7 10 (28.57%) DevOps
8 9 (25.71%) Impala
8 9 (25.71%) HDFS
8 9 (25.71%) Sqoop
8 9 (25.71%) Finance
8 9 (25.71%) Security Cleared
9 8 (22.86%) Telecoms
9 8 (22.86%) ETL
9 8 (22.86%) Oozie
10 7 (20.00%) JavaScript
10 7 (20.00%) Marketing
11 6 (17.14%) Ubuntu
11 6 (17.14%) Red Hat Enterprise Linux
11 6 (17.14%) Git (software)
11 6 (17.14%) MongoDB
11 6 (17.14%) Open Source
11 6 (17.14%) Debian
11 6 (17.14%) Apache Pig
11 6 (17.14%) Hortonworks

Big Data
Co-occurring IT Skills in Reading 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 14 (40.00%) Apache Spark
2 6 (17.14%) Apache Pig
3 2 (5.71%) Facebook Platform
4 1 (2.86%) Apache
4 1 (2.86%) Confluence
4 1 (2.86%) Elasticsearch
Applications
1 2 (5.71%) Microsoft Excel
Business Applications
1 1 (2.86%) SAP Oil and Gas
Cloud Services
1 3 (8.57%) Microsoft Azure
2 1 (2.86%) Amazon AWS
2 1 (2.86%) Cloud Computing
Communications & Networking
1 5 (14.29%) SSH
2 3 (8.57%) 2G
2 3 (8.57%) 3G
2 3 (8.57%) 4G
2 3 (8.57%) GSM
2 3 (8.57%) HTTP
2 3 (8.57%) ICMP
2 3 (8.57%) LTE
2 3 (8.57%) TCP/IP
2 3 (8.57%) UMTS
3 1 (2.86%) Kerberos
Database & Business Intelligence
1 24 (68.57%) Hadoop
2 14 (40.00%) Apache Hive
2 14 (40.00%) HBase
3 12 (34.29%) NoSQL
4 9 (25.71%) Impala
4 9 (25.71%) Sqoop
5 6 (17.14%) MongoDB
6 5 (14.29%) Data Warehouse
7 4 (11.43%) DB2
8 3 (8.57%) PostgreSQL
9 2 (5.71%) Data Lake
9 2 (5.71%) Power BI
9 2 (5.71%) SQL Server
9 2 (5.71%) SQL Server 2012
9 2 (5.71%) SQL Server Integration Services
10 1 (2.86%) Apache Accumulo
10 1 (2.86%) Apache Cassandra
10 1 (2.86%) Neo4j
10 1 (2.86%) OrientDB
10 1 (2.86%) Relational Database
Development Applications
1 6 (17.14%) Git (software)
2 4 (11.43%) JIRA
2 4 (11.43%) JUnit
General
1 9 (25.71%) Finance
2 8 (22.86%) Telecoms
3 7 (20.00%) Marketing
4 2 (5.71%) Banking
5 1 (2.86%) Electronics
5 1 (2.86%) Manufacturing
Job Titles
1 14 (40.00%) Developer
2 5 (14.29%) DevOps Developer
3 4 (11.43%) Big Data Engineer
3 4 (11.43%) Data Engineer
3 4 (11.43%) Hadoop Developer
4 3 (8.57%) Architect
4 3 (8.57%) Java Engineer
4 3 (8.57%) Technical Leader
5 2 (5.71%) Big Data Architect
5 2 (5.71%) Big Data Developer
5 2 (5.71%) Consultant
5 2 (5.71%) Data Architect
5 2 (5.71%) Data Manager
5 2 (5.71%) Data Warehouse Developer
5 2 (5.71%) Hadoop Architect
5 2 (5.71%) Hadoop Engineer
5 2 (5.71%) Java Developer
5 2 (5.71%) Platform Manager
5 2 (5.71%) Project Engineer
5 2 (5.71%) Python Developer
Libraries, Frameworks & Software Standards
1 3 (8.57%) Hibernate
1 3 (8.57%) Web Services
2 2 (5.71%) Django
2 2 (5.71%) Flask
2 2 (5.71%) Kafka
2 2 (5.71%) Pyramid
3 1 (2.86%) REST
Miscellaneous
1 4 (11.43%) Credit Risk
2 3 (8.57%) Analytical Skills
3 2 (5.71%) Data Structures
4 1 (2.86%) Algorithms
4 1 (2.86%) Cyber Defence
4 1 (2.86%) Cyberthreat
4 1 (2.86%) Foreign Exchange (FX)
4 1 (2.86%) Linux Command Line
4 1 (2.86%) Management Information System
4 1 (2.86%) Replication
4 1 (2.86%) Wiki
Operating Systems
1 11 (31.43%) Linux
2 6 (17.14%) Debian
2 6 (17.14%) Red Hat Enterprise Linux
2 6 (17.14%) Ubuntu
3 5 (14.29%) CentOS
3 5 (14.29%) Unix
4 3 (8.57%) Windows
Processes & Methodologies
1 13 (37.14%) MapReduce
2 10 (28.57%) Business Intelligence
2 10 (28.57%) DevOps
3 8 (22.86%) ETL
4 6 (17.14%) Open Source
5 5 (14.29%) Analytics
5 5 (14.29%) Continuous Integration
5 5 (14.29%) Software Engineering
5 5 (14.29%) TDD
6 4 (11.43%) Configuration Management
6 4 (11.43%) Validation
6 4 (11.43%) Visualisation
6 4 (11.43%) Web Analytics
7 3 (8.57%) Data Modelling
7 3 (8.57%) Data Security
7 3 (8.57%) Multithreading
7 3 (8.57%) Network Architecture
7 3 (8.57%) Project Management
7 3 (8.57%) Service Delivery
7 3 (8.57%) SOA
Programming Languages
1 23 (65.71%) Java
2 12 (34.29%) Python
2 12 (34.29%) Scala
3 7 (20.00%) JavaScript
4 5 (14.29%) Bash Shell
5 2 (5.71%) SQL
6 1 (2.86%) C
6 1 (2.86%) PHP
6 1 (2.86%) R
6 1 (2.86%) Ruby
Qualifications
1 9 (25.71%) Security Cleared
2 5 (14.29%) SC Cleared
3 2 (5.71%) Degree
4 1 (2.86%) MBA
4 1 (2.86%) PhD
Quality Assurance & Compliance
1 2 (5.71%) Data Quality
1 2 (5.71%) SLA
2 1 (2.86%) QA
System Software
1 9 (25.71%) HDFS
2 4 (11.43%) Apache Flume
3 1 (2.86%) Apache ZooKeeper
Systems Management
1 8 (22.86%) Oozie
2 5 (14.29%) SELinux
3 3 (8.57%) Ansible
3 3 (8.57%) Opscode Chef
3 3 (8.57%) Puppet
4 2 (5.71%) Hadoop YARN
5 1 (2.86%) Ambari
Vendors
1 6 (17.14%) Cloudera
1 6 (17.14%) Hortonworks
2 4 (11.43%) MicroStrategy
3 3 (8.57%) Ab Initio
3 3 (8.57%) Jaspersoft
4 2 (5.71%) Facebook
4 2 (5.71%) Tableau
4 2 (5.71%) Twitter
5 1 (2.86%) Cadence
5 1 (2.86%) MapR
5 1 (2.86%) Microsoft
5 1 (2.86%) Red Hat
5 1 (2.86%) SAP
5 1 (2.86%) Teradata