The following table provides summary statistics for contract job vacancies with a requirement for Impala skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Impala over the 3 months to 28 April 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.

Cloudera Impala
UK
3 months to
28 Apr 2017
Same period 2016 Same period 2015
Rank 520 582 589
Rank change year-on-year +62 +7  
Contract jobs citing Impala 83 63 52
As % of all contract IT jobs advertised in the UK 0.18% 0.11% 0.093%
As % of the Database & Business Intelligence category 0.77% 0.52% 0.41%
Number of daily rates quoted 53 48 37
Median daily rate £401 £538 £588
Median daily rate % change year-on-year -25.48% -8.51%  
90% offered a daily rate of more than £350 £425 £440
10% offered a daily rate of more than £573 £650 £735
UK excluding London median daily rate £401 £445 £525
% change year-on-year -10.00% -15.23%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Impala 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 with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
UK
Contract job vacancies with a requirement for database and business intelligence skills 10738 12171 12743
As % of all contract IT job vacancies advertised in the UK 22.77% 21.79% 22.87%
Number of daily rates quoted 7184 8223 8210
Median daily rate £435 £425 £400
Median daily rate % change year-on-year +2.35% +6.25%  
90% offered a daily rate of more than £310 £300 £280
10% offered a daily rate of more than £575 £600 £550
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 130 168 163
Median hourly rate £32.50 £32.50 £32.10
Median hourly rate % change year-on-year - +1.24%  
90% offered a hourly rate of more than £12.00 £13.40 £15.00
10% offered a hourly rate of more than £47.50 £48.10 £46.09
UK excluding London median hourly rate £31.00 £32.50 £32.30
% change year-on-year -4.61% +0.61%  

Impala
Job Vacancy Trend

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

Job vacancy trend for Impala in the UK

Impala
Contractor Daily Rate Trend

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

Contractor daily rate trend for Impala in the UK

Impala
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Impala over the 3 months to 28 April 2017.

Contractor daily rate histogram for Impala in the UK

Impala
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Impala.

Contractor hourly rate trend for Impala in the UK

Impala
Top 26 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Impala within the UK over the 3 months to 28 April 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +57 78 £401 -25.48% 18
London +11 42 £471 -12.32% 7
South East +52 30 £401 - 6
Buckinghamshire +2 13 £375 - 5
Hampshire - 13 £401 - 1
Milton Keynes +5 9 £375 - 4
City of London -12 6 £415 -20.95% 1
Reading - 3 £400 -
Berkshire - 3 £400 -
Manchester - 2 £235 -
Coventry - 2 - -
Edinburgh - 2 £488 -
North West - 2 £235 - 1
Scotland - 2 £488 -
West Midlands - 2 - -
Suffolk +10 1 - -
Ipswich +2 1 - -
Northamptonshire 0 1 - -
East of England -7 1 - - 3
East Midlands -12 1 - -
Cardiff - 1 - -
Surrey - 1 £563 -
Leatherhead - 1 £563 -
Canary Wharf - 1 £533 -
South Wales - 1 - -
Wales - 1 - -

For the 6 months to 28 April 2017, IT contractor jobs citing Impala also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for Impala.

1 147 (96.08%) Hadoop
2 139 (90.85%) Apache Hive
3 115 (75.16%) Big Data
4 105 (68.63%) Apache Spark
5 81 (52.94%) Java
6 73 (47.71%) Python
7 70 (45.75%) Scala
8 68 (44.44%) Cloudera
9 57 (37.25%) MapReduce
10 54 (35.29%) HDFS
11 49 (32.03%) Finance
11 49 (32.03%) HBase
12 47 (30.72%) NoSQL
12 47 (30.72%) Oozie
13 43 (28.10%) Agile Software Development
14 42 (27.45%) Unix
14 42 (27.45%) Kafka
15 38 (24.84%) Linux
15 38 (24.84%) ETL
16 37 (24.18%) Apache Pig
17 34 (22.22%) SQL
18 33 (21.57%) Apache Flume
18 33 (21.57%) Hadoop YARN
19 32 (20.92%) Sqoop
19 32 (20.92%) Apache Solr
20 31 (20.26%) Banking
21 29 (18.95%) R
22 27 (17.65%) Continuous Integration
23 26 (16.99%) MongoDB
24 25 (16.34%) Apache Cassandra

Impala
Co-occurring IT Skills 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
1 105 (68.63%) Apache Spark
2 37 (24.18%) Apache Pig
3 32 (20.92%) Apache Solr
4 12 (7.84%) Apache
5 8 (5.23%) Elasticsearch
6 6 (3.92%) SAS
7 2 (1.31%) Apache Airflow
7 2 (1.31%) Jupyter
7 2 (1.31%) OpenStack
8 1 (0.65%) JBoss
8 1 (0.65%) Tomcat
Applications
1 2 (1.31%) SPSS
2 1 (0.65%) Microsoft Excel
2 1 (0.65%) MS Visio
Business Applications
1 1 (0.65%) SAP Oil and Gas
Cloud Services
1 24 (15.69%) Amazon AWS
2 10 (6.54%) Amazon S3
3 9 (5.88%) Amazon EC2
4 5 (3.27%) Virtual Private Cloud
5 4 (2.61%) Amazon EMR
5 4 (2.61%) Microsoft Azure
6 3 (1.96%) Amazon Kinesis
6 3 (1.96%) AWS Data Pipeline
6 3 (1.96%) AWS Lambda
6 3 (1.96%) Cloud Computing
7 2 (1.31%) IaaS
7 2 (1.31%) PaaS
8 1 (0.65%) Google Cloud Platform
Communications & Networking
1 9 (5.88%) Kerberos
2 6 (3.92%) LDAP
3 5 (3.27%) SSL
4 1 (0.65%) SNA
Database & Business Intelligence
1 147 (96.08%) Hadoop
2 139 (90.85%) Apache Hive
3 115 (75.16%) Big Data
4 49 (32.03%) HBase
5 47 (30.72%) NoSQL
6 32 (20.92%) Sqoop
7 26 (16.99%) MongoDB
8 25 (16.34%) Apache Cassandra
9 23 (15.03%) Data Warehouse
10 16 (10.46%) Data Lake
11 12 (7.84%) DB2
11 12 (7.84%) MarkLogic
11 12 (7.84%) Riak
12 10 (6.54%) Relational Database
13 6 (3.92%) MySQL
14 5 (3.27%) Amazon Redshift
15 4 (2.61%) BusinessObjects
15 4 (2.61%) Pentaho
15 4 (2.61%) RDBMS
16 3 (1.96%) Data Mining
Development Applications
1 5 (3.27%) Jenkins
2 4 (2.61%) Talend Open Studio
3 3 (1.96%) Git (software)
4 2 (1.31%) MSI
5 1 (0.65%) Atlassian Bamboo
5 1 (0.65%) git-flow
5 1 (0.65%) Gradle
5 1 (0.65%) JIRA
5 1 (0.65%) JUnit
5 1 (0.65%) Maven
General
1 49 (32.03%) Finance
2 31 (20.26%) Banking
3 7 (4.58%) Retail
4 4 (2.61%) Marketing
5 3 (1.96%) Investment Banking
5 3 (1.96%) Telecoms
6 2 (1.31%) Financial Institution
6 2 (1.31%) Front Office
7 1 (0.65%) Electronics
7 1 (0.65%) Manufacturing
7 1 (0.65%) Retail Banking
Job Titles
1 57 (37.25%) Developer
2 32 (20.92%) Data Engineer
3 28 (18.30%) Hadoop Developer
4 27 (17.65%) Big Data Developer
5 26 (16.99%) Administrator
6 19 (12.42%) Java Developer
7 18 (11.76%) Big Data Engineer
7 18 (11.76%) Linux Administrator
8 16 (10.46%) Hadoop Administrator
9 12 (7.84%) Analyst
9 12 (7.84%) Consultant
9 12 (7.84%) Scala Developer
10 10 (6.54%) Hadoop Consultant
10 10 (6.54%) Hadoop Engineer
11 9 (5.88%) Apache Spark Developer
12 8 (5.23%) Architect
12 8 (5.23%) Data Architect
12 8 (5.23%) Java Hadoop Developer
13 6 (3.92%) Software Engineer
13 6 (3.92%) Systems Administrator
Libraries, Frameworks & Software Standards
1 42 (27.45%) Kafka
2 13 (8.50%) Lucene
3 10 (6.54%) Hibernate
3 10 (6.54%) Spring
4 9 (5.88%) JMS
5 8 (5.23%) Spark Streaming
6 4 (2.61%) HTML
6 4 (2.61%) JSON
6 4 (2.61%) REST
7 3 (1.96%) AngularJS
7 3 (1.96%) HTML5
7 3 (1.96%) Natural Language Processing
7 3 (1.96%) Web Services
8 2 (1.31%) Apache Avro
8 2 (1.31%) Cascading
8 2 (1.31%) CSS
8 2 (1.31%) jQuery
8 2 (1.31%) Node.js
8 2 (1.31%) Twitter Bootstrap
9 1 (0.65%) SOAP
Miscellaneous
1 22 (14.38%) Analytical Skills
2 13 (8.50%) Algorithms
3 11 (7.19%) Computer Science
4 8 (5.23%) Data Structures
5 4 (2.61%) Credit Risk
6 3 (1.96%) Replication
7 2 (1.31%) Grid Computing
8 1 (0.65%) Blog
8 1 (0.65%) Fat Client
8 1 (0.65%) Fintech
8 1 (0.65%) Greenfield Project
8 1 (0.65%) Reference Data
8 1 (0.65%) Social Network
8 1 (0.65%) Thin Client
8 1 (0.65%) Wiki
Operating Systems
1 42 (27.45%) Unix
2 38 (24.84%) Linux
3 23 (15.03%) Red Hat Enterprise Linux
4 15 (9.80%) Ubuntu
5 13 (8.50%) Debian
6 8 (5.23%) CentOS
7 5 (3.27%) Fedora
8 4 (2.61%) Windows
9 1 (0.65%) AIX
Processes & Methodologies
1 57 (37.25%) MapReduce
2 43 (28.10%) Agile Software Development
3 38 (24.84%) ETL
4 27 (17.65%) Continuous Integration
5 22 (14.38%) Open Source
6 21 (13.73%) Software Engineering
7 19 (12.42%) Business Intelligence
7 19 (12.42%) Data Analysis
8 14 (9.15%) DevOps
8 14 (9.15%) Performance Tuning
9 13 (8.50%) Desktop Virtualisation
9 13 (8.50%) Security Hardening
9 13 (8.50%) TDD
10 12 (7.84%) Data Modelling
10 12 (7.84%) Scrum
10 12 (7.84%) Statistical Modelling
10 12 (7.84%) Visualisation
11 11 (7.19%) Machine Learning
12 10 (6.54%) Analytics
13 9 (5.88%) Data Architecture
Programming Languages
1 81 (52.94%) Java
2 73 (47.71%) Python
3 70 (45.75%) Scala
4 34 (22.22%) SQL
5 29 (18.95%) R
6 24 (15.69%) Perl
7 16 (10.46%) Bash Shell
8 7 (4.58%) Shell Script
9 6 (3.92%) JavaScript
10 4 (2.61%) C#
10 4 (2.61%) PowerShell
11 3 (1.96%) Korn
12 2 (1.31%) C
12 2 (1.31%) PL/SQL
13 1 (0.65%) C++
13 1 (0.65%) ES6
13 1 (0.65%) PHP
13 1 (0.65%) TypeScript
Qualifications
1 13 (8.50%) Degree
2 4 (2.61%) Security Cleared
3 1 (0.65%) SC Cleared
Quality Assurance & Compliance
1 8 (5.23%) Data Quality
2 3 (1.96%) QA
System Software
1 54 (35.29%) HDFS
2 33 (21.57%) Apache Flume
3 23 (15.03%) Apache ZooKeeper
4 6 (3.92%) Active Directory
5 3 (1.96%) Docker
6 2 (1.31%) vSphere
7 1 (0.65%) Virtual Machines
7 1 (0.65%) VMware ESXi
Systems Management
1 47 (30.72%) Oozie
2 33 (21.57%) Hadoop YARN
3 12 (7.84%) Puppet
4 9 (5.88%) Opscode Chef
5 6 (3.92%) Kibana
6 5 (3.27%) Ansible
7 3 (1.96%) Mesos
7 3 (1.96%) Salt
7 3 (1.96%) Tivoli
8 2 (1.31%) Terraform
Vendors
1 68 (44.44%) Cloudera
2 23 (15.03%) MicroStrategy
3 18 (11.76%) Tableau
4 10 (6.54%) Ab Initio
5 8 (5.23%) Hortonworks
6 6 (3.92%) Oracle
7 5 (3.27%) Teradata
8 4 (2.61%) Talend
9 3 (1.96%) Google
9 3 (1.96%) Informatica
9 3 (1.96%) SAP
10 2 (1.31%) Alteryx
10 2 (1.31%) Red Hat
10 2 (1.31%) Splunk
11 1 (0.65%) Greenplum
11 1 (0.65%) Netezza
11 1 (0.65%) Palantir
11 1 (0.65%) VMware
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