Period
to 21 February 2019

The following table provides summary statistics for contract job vacancies advertised in Slough 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 6 months to 21 February 2019 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 > Slough
6 months to
21 Feb 2019
Same period 2018 Same period 2017
Rank 15 17 32
Rank change year-on-year +2 +15 +7
Contract jobs citing Big Data 25 13 1
As % of all contract IT jobs advertised in Slough 7.16% 5.28% 0.34%
As % of the Database & Business Intelligence category 52.08% 19.40% 1.25%
Number of daily rates quoted 24 12 1
Slough median daily rate £550 £488 £288
Median daily rate % change year-on-year +12.82% +69.57% -40.10%
10th Percentile £463 £413 £281
90th Percentile £568 £536 £294
Berkshire median daily rate £500 £525 £525
% change year-on-year -4.76% - +9.95%
Number of hourly rates quoted 0 0 0
Slough median hourly rate - - -
Berkshire median hourly rate - - -

Big Data is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Slough with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
Slough
Contract vacancies with a requirement for database or business intelligence skills 48 67 80
As % of all contract IT jobs advertised in Slough 13.75% 27.24% 27.12%
Number of daily rates quoted 41 53 62
Slough median daily rate £500 £400 £363
Median daily rate % change year-on-year +25.00% +10.34% +7.01%
10th Percentile £325 £307 £263
90th Percentile £550 £548 £486
Berkshire median daily rate £464 £438 £425
% change year-on-year +6.00% +2.94% +6.25%
Number of hourly rates quoted 0 0 0
Slough median hourly rate - - -
Berkshire median hourly rate £22.65 £45.00 £9.50
% change year-on-year -49.67% +373.68% -16.78%

Big Data
Job Vacancy Trend in Slough

Job postings citing Big Data as a percentage of all IT jobs advertised in Slough.

Job vacancy trend for Big Data in Slough

Big Data
Contractor Daily Rate Trend in Slough

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

Contractor daily rate trend for Big Data in Slough

Big Data
Contractor Daily Rate Histogram in Slough

The daily rate distribution of IT jobs citing Big Data in Slough over the 6 months to 21 February 2019.

Contractor daily rate histogram for Big Data in Slough

For the 6 months to 21 February 2019, IT contractor jobs citing Big Data also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Slough region with a requirement for Big Data.

1 23 (92.00%) Apache Spark
2 20 (80.00%) Hadoop
3 19 (76.00%) Apache Hive
3 19 (76.00%) SQL
3 19 (76.00%) TCP/IP
4 18 (72.00%) Internet
4 18 (72.00%) Firewall
4 18 (72.00%) Legal
4 18 (72.00%) Python
4 18 (72.00%) ETL
4 18 (72.00%) Big Data Analytics
4 18 (72.00%) Data Analytics
4 18 (72.00%) Open Source
4 18 (72.00%) Network Architecture
4 18 (72.00%) Data Protection
4 18 (72.00%) SSH
4 18 (72.00%) Web Development
4 18 (72.00%) Spark Streaming
4 18 (72.00%) Flink
4 18 (72.00%) Data Ingestion
4 18 (72.00%) Analytics
4 18 (72.00%) Kalman Filter
4 18 (72.00%) Analytical Skills
5 6 (24.00%) Software Engineering
5 6 (24.00%) Apache Cassandra
5 6 (24.00%) NoSQL
6 5 (20.00%) RabbitMQ
6 5 (20.00%) MongoDB
6 5 (20.00%) Computer Science
6 5 (20.00%) WPF

Big Data
Co-occurring IT Skills in Slough 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 23 (92.00%) Apache Spark
2 5 (20.00%) Elasticsearch
3 1 (4.00%) Apache Pig
Cloud Services
1 3 (12.00%) Amazon AWS
2 1 (4.00%) Google Cloud Platform
2 1 (4.00%) IaaS
2 1 (4.00%) Microsoft Azure
Communications & Networking
1 19 (76.00%) TCP/IP
2 18 (72.00%) Firewall
2 18 (72.00%) Internet
2 18 (72.00%) SSH
3 1 (4.00%) DNS
3 1 (4.00%) Kerberos
3 1 (4.00%) LAN
3 1 (4.00%) OpenLDAP
3 1 (4.00%) WAN
Database & Business Intelligence
1 20 (80.00%) Hadoop
2 19 (76.00%) Apache Hive
3 18 (72.00%) Flink
4 6 (24.00%) Apache Cassandra
4 6 (24.00%) NoSQL
5 5 (20.00%) MongoDB
6 1 (4.00%) HBase
6 1 (4.00%) Mahout
6 1 (4.00%) MySQL
6 1 (4.00%) SQL Server
6 1 (4.00%) Sqoop
General
1 18 (72.00%) Legal
2 4 (16.00%) Telecoms
Job Titles
1 14 (56.00%) Analytics Developer
1 14 (56.00%) Big Data Developer
1 14 (56.00%) Developer
1 14 (56.00%) Software Developer
2 6 (24.00%) Software Engineer
3 5 (20.00%) Big Data Engineer
3 5 (20.00%) Data Engineer
4 4 (16.00%) Big Data Software Engineer
4 4 (16.00%) Data Analytics Engineer
5 2 (8.00%) Senior Software Engineer
6 1 (4.00%) Consultant
6 1 (4.00%) DevOps Engineer
6 1 (4.00%) NetApp Consultant
6 1 (4.00%) Storage Consultant
Libraries, Frameworks & Software Standards
1 18 (72.00%) Spark Streaming
2 5 (20.00%) .NET
2 5 (20.00%) RabbitMQ
2 5 (20.00%) WPF
3 3 (12.00%) Kafka
4 2 (8.00%) .NET Core
5 1 (4.00%) LDAP
Miscellaneous
1 18 (72.00%) Analytical Skills
2 3 (12.00%) Greenfield Project
Operating Systems
1 2 (8.00%) Linux
1 2 (8.00%) Unix
2 1 (4.00%) Data ONTAP
Processes & Methodologies
1 18 (72.00%) Analytics
1 18 (72.00%) Big Data Analytics
1 18 (72.00%) Data Analytics
1 18 (72.00%) Data Ingestion
1 18 (72.00%) Data Protection
1 18 (72.00%) ETL
1 18 (72.00%) Kalman Filter
1 18 (72.00%) Network Architecture
1 18 (72.00%) Open Source
1 18 (72.00%) Web Development
2 6 (24.00%) Software Engineering
3 5 (20.00%) Computer Science
4 4 (16.00%) Deep Learning
4 4 (16.00%) Machine Learning
5 3 (12.00%) DevOps
5 3 (12.00%) Microservices
5 3 (12.00%) Multithreaded Programming
5 3 (12.00%) Multithreading
5 3 (12.00%) OO
6 2 (8.00%) SOA
Programming Languages
1 19 (76.00%) SQL
2 18 (72.00%) Python
3 3 (12.00%) C#
4 1 (4.00%) C
4 1 (4.00%) C++
4 1 (4.00%) Java
Qualifications
1 1 (4.00%) Computer Science Degree
1 1 (4.00%) Degree
Quality Assurance & Compliance
1 1 (4.00%) SLA
System Software
1 5 (20.00%) Docker
2 1 (4.00%) Apache ZooKeeper
2 1 (4.00%) HDFS
2 1 (4.00%) KVM
2 1 (4.00%) Oracle RAC
2 1 (4.00%) VMware ESXi
Systems Management
1 5 (20.00%) Kubernetes
2 2 (8.00%) Ansible
3 1 (4.00%) Ambari
3 1 (4.00%) Hadoop YARN
3 1 (4.00%) Oozie
3 1 (4.00%) Puppet
Vendors
1 1 (4.00%) Cisco
1 1 (4.00%) Google
1 1 (4.00%) Hortonworks
1 1 (4.00%) NetApp
1 1 (4.00%) Oracle
1 1 (4.00%) VMware