Period
to 16 December 2017

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Impala skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Impala over the 6 months to 16 December 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
Central London > City of London
6 months to
16 Dec 2017
Same period 2016 Same period 2015
Rank 215 230 246
Rank change year-on-year +15 +16 +49
Contract jobs citing Impala 35 10 15
As % of all contract IT jobs advertised in the City of London 0.49% 0.15% 0.18%
As % of the Database & Business Intelligence category 1.98% 0.57% 0.69%
Number of daily rates quoted 31 10 12
City of London median daily rate £625 £528 £588
Median daily rate % change year-on-year +18.48% -10.21% +30.56%
10th Percentile £563 £403 £514
90th Percentile £725 £665 £725
Central London median daily rate £625 £528 £588
% change year-on-year +18.48% -10.21% +30.56%
Number of hourly rates quoted 0 0 1
City of London median hourly rate - - £37.50
Central London median hourly rate - - £37.50

Impala 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 the City of London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
City of London
Contract vacancies with a requirement for database or business intelligence skills 1768 1754 2176
As % of all contract IT jobs advertised in the City of London 24.74% 26.85% 26.05%
Number of daily rates quoted 1455 1397 1748
City of London median daily rate £525 £475 £475
Median daily rate % change year-on-year +10.53% - +10.14%
10th Percentile £369 £325 £313
90th Percentile £688 £663 £638
Central London median daily rate £520 £475 £471
% change year-on-year +9.47% +0.80% +10.88%
Number of hourly rates quoted 9 1 7
City of London median hourly rate £27.50 £45.00 £25.00
Median hourly rate % change year-on-year -38.89% +80.00% -18.88%
10th Percentile £20.75 £42.50 £18.05
90th Percentile £33.25 £47.50 £40.00
Central London median hourly rate £27.50 £45.00 £21.98
% change year-on-year -38.89% +104.78% -26.75%

Impala
Job Vacancy Trend in the City of London

Job postings citing Impala as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Impala in the City of London

Impala
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Impala in the City of London

Impala
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Impala in the City of London over the 6 months to 16 December 2017.

Contractor daily rate histogram for Impala in the City of London

For the 6 months to 16 December 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 across the City of London region with a requirement for Impala.

1 34 (97.14%) Big Data
2 33 (94.29%) Apache Hive
2 33 (94.29%) Java
3 31 (88.57%) Hadoop
4 29 (82.86%) HBase
4 29 (82.86%) Apache Spark
5 26 (74.29%) HDFS
6 24 (68.57%) Finance
7 23 (65.71%) Data Modelling
8 22 (62.86%) Oozie
9 20 (57.14%) Apache Flume
10 19 (54.29%) NoSQL
11 18 (51.43%) Apache
12 17 (48.57%) Banking
13 16 (45.71%) Analytical Skills
14 15 (42.86%) MapReduce
14 15 (42.86%) Agile Software Development
14 15 (42.86%) Python
15 14 (40.00%) Use Case
15 14 (40.00%) Multithreading
15 14 (40.00%) Kafka
15 14 (40.00%) Elasticsearch
16 10 (28.57%) BDD
16 10 (28.57%) Scala
17 9 (25.71%) SQL
18 8 (22.86%) SDLC
19 7 (20.00%) TDD
19 7 (20.00%) Cloudera
20 6 (17.14%) Akka
20 6 (17.14%) Market Risk

Impala
Co-occurring IT Skills in the City of London 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 29 (82.86%) Apache Spark
2 18 (51.43%) Apache
3 14 (40.00%) Elasticsearch
4 3 (8.57%) Apache Pig
4 3 (8.57%) nginx
4 3 (8.57%) Tomcat
Cloud Services
1 5 (14.29%) Amazon AWS
2 2 (5.71%) GitHub
3 1 (2.86%) PaaS
Communications & Networking
1 3 (8.57%) Kerberos
1 3 (8.57%) LDAP
2 2 (5.71%) Network Security
2 2 (5.71%) SSL
Database & Business Intelligence
1 34 (97.14%) Big Data
2 33 (94.29%) Apache Hive
3 31 (88.57%) Hadoop
4 29 (82.86%) HBase
5 19 (54.29%) NoSQL
6 4 (11.43%) Sqoop
7 3 (8.57%) Cloudera CDH
7 3 (8.57%) MongoDB
8 2 (5.71%) BigQuery
8 2 (5.71%) Bigtable
8 2 (5.71%) RDBMS
8 2 (5.71%) Relational Database
8 2 (5.71%) SQLite
9 1 (2.86%) Apache Cassandra
9 1 (2.86%) Data Lake
9 1 (2.86%) MySQL
9 1 (2.86%) Spotfire
Development Applications
1 3 (8.57%) Git (software)
1 3 (8.57%) Jenkins
2 1 (2.86%) Ant
2 1 (2.86%) Gradle
2 1 (2.86%) HP UFT
2 1 (2.86%) Maven
2 1 (2.86%) Selenium
2 1 (2.86%) Subversion
2 1 (2.86%) Talend Open Studio
2 1 (2.86%) WebDriver
General
1 24 (68.57%) Finance
2 17 (48.57%) Banking
3 2 (5.71%) Investment Banking
4 1 (2.86%) Retail
Job Titles
1 17 (48.57%) Java Engineer
2 16 (45.71%) Hadoop Engineer
3 14 (40.00%) Senior Hadoop Engineer
3 14 (40.00%) Senior Java Engineer
4 12 (34.29%) Developer
5 9 (25.71%) Big Data Developer
6 7 (20.00%) Scala Developer
7 6 (17.14%) Apache Spark Developer
7 6 (17.14%) Data Engineer
8 5 (14.29%) Big Data Engineer
9 3 (8.57%) DevOps Engineer
9 3 (8.57%) Senior Developer
10 2 (5.71%) Administrator
10 2 (5.71%) Cloud Administrator
10 2 (5.71%) Senior Big Data Developer
11 1 (2.86%) Architect
11 1 (2.86%) AWS Architect
11 1 (2.86%) Developer in Test
11 1 (2.86%) Senior Data Engineer
11 1 (2.86%) Test Automation Developer
Libraries, Frameworks & Software Standards
1 14 (40.00%) Kafka
2 6 (17.14%) Akka
3 3 (8.57%) PySpark
3 3 (8.57%) Sensu
4 2 (5.71%) .NET
4 2 (5.71%) scikit-learn
5 1 (2.86%) LEMP Stack
5 1 (2.86%) Matplotlib
5 1 (2.86%) Pandas
5 1 (2.86%) REST
5 1 (2.86%) Spark Streaming
5 1 (2.86%) SparkR
Miscellaneous
1 16 (45.71%) Analytical Skills
2 6 (17.14%) Market Risk
3 4 (11.43%) Computer Science
4 2 (5.71%) Replication
5 1 (2.86%) Algorithms
5 1 (2.86%) Credit Derivative
5 1 (2.86%) Data Centre
5 1 (2.86%) Data Structures
5 1 (2.86%) Derivative
5 1 (2.86%) Equities
5 1 (2.86%) Foreign Exchange (FX)
5 1 (2.86%) Grid Computing
5 1 (2.86%) Infotainment
5 1 (2.86%) Management Information System
Operating Systems
1 4 (11.43%) Linux
2 3 (8.57%) Red Hat Enterprise Linux
2 3 (8.57%) Windows
3 2 (5.71%) Android
3 2 (5.71%) Apple iOS
3 2 (5.71%) Unix
4 1 (2.86%) Windows Server
4 1 (2.86%) Windows Server 2008
Processes & Methodologies
1 23 (65.71%) Data Modelling
2 15 (42.86%) Agile Software Development
2 15 (42.86%) MapReduce
3 14 (40.00%) Multithreading
3 14 (40.00%) Use Case
4 10 (28.57%) BDD
5 8 (22.86%) SDLC
6 7 (20.00%) TDD
7 5 (14.29%) ETL
8 4 (11.43%) Continuous Integration
8 4 (11.43%) DevOps
8 4 (11.43%) Test Automation
9 3 (8.57%) Analytics
9 3 (8.57%) Refactoring
9 3 (8.57%) Software Engineering
10 2 (5.71%) Configuration Management
10 2 (5.71%) Data Integration
10 2 (5.71%) Data Management
10 2 (5.71%) OO
10 2 (5.71%) Workflow
Programming Languages
1 33 (94.29%) Java
2 15 (42.86%) Python
3 10 (28.57%) Scala
4 9 (25.71%) SQL
5 2 (5.71%) C#
5 2 (5.71%) COBOL
6 1 (2.86%) Bash Shell
6 1 (2.86%) Shell Script
Qualifications
1 4 (11.43%) Degree
2 3 (8.57%) Computer Science Degree
3 1 (2.86%) Numerate Degree
3 1 (2.86%) Security Cleared
Quality Assurance & Compliance
1 1 (2.86%) Data Quality
1 1 (2.86%) QA
System Software
1 26 (74.29%) HDFS
2 20 (57.14%) Apache Flume
3 2 (5.71%) Apache ZooKeeper
Systems Management
1 22 (62.86%) Oozie
2 4 (11.43%) Ansible
3 3 (8.57%) Salt
4 2 (5.71%) Control-M
4 2 (5.71%) Hadoop YARN
4 2 (5.71%) Puppet
5 1 (2.86%) Opscode Chef
Vendors
1 7 (20.00%) Cloudera
2 5 (14.29%) SaltStack
3 4 (11.43%) Tableau
4 2 (5.71%) Oracle
4 2 (5.71%) Palantir
5 1 (2.86%) Informatica
5 1 (2.86%) Perforce
5 1 (2.86%) Talend