Period
to 17 August 2019

The following table provides summary statistics for contract job vacancies advertised in Central 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 17 August 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.

Apache Impala
London > Central London
6 months to
17 Aug 2019
Same period 2018 Same period 2017
Rank 240 273 238
Rank change year-on-year +33 -35 +22
Contract jobs citing Impala 36 26 24
As % of all contract IT jobs advertised in Central London 0.43% 0.28% 0.31%
As % of the Database & Business Intelligence category 1.60% 1.09% 1.19%
Number of daily rates quoted 29 20 21
Central London median daily rate £575 £525 £625
Median daily rate % change year-on-year +9.52% -16.00% +19.05%
10th Percentile £555 £513 £400
90th Percentile £688 £689 £675
London median daily rate £575 £550 £581
% change year-on-year +4.55% -5.38% +8.14%
Number of hourly rates quoted 0 0 0
Central London median hourly rate - - -
London median hourly rate - - -

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 Central London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
Central London
Contract vacancies with a requirement for database or business intelligence skills 2,246 2,379 2,021
As % of all contract IT jobs advertised in Central London 26.85% 25.89% 25.93%
Number of daily rates quoted 1,791 1,873 1,551
Central London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +8.11%
10th Percentile £388 £363 £350
90th Percentile £675 £675 £675
London median daily rate £525 £525 £500
% change year-on-year - +5.00% +5.26%
Number of hourly rates quoted 16 14 7
Central London median hourly rate £35.00 £22.00 £24.49
Median hourly rate % change year-on-year +59.09% -10.15% +28.87%
10th Percentile £20.00 £19.50 £20.75
90th Percentile £58.63 £32.10 £34.47
London median hourly rate £35.00 £27.33 £28.39
% change year-on-year +28.06% -3.73% +3.24%

Impala
Job Vacancy Trend in Central London

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

Job vacancy trend for Impala in Central London

Impala
Contractor Daily Rate Trend in Central London

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

Contractor daily rate trend for Impala in Central London

Impala
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Impala in Central London over the 6 months to 17 August 2019.

Contractor daily rate histogram for Impala in Central London

Impala
Contract Job Locations in Central London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Impala within the Central London region over the 6 months to 17 August 2019. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +14 16 £650 +23.81% 2
Impala
London

For the 6 months to 17 August 2019, IT contractor jobs citing Impala 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 Central London region with a requirement for Impala.

1 36 (100.00%) Apache Hive
2 35 (97.22%) Apache Spark
3 28 (77.78%) Big Data
4 27 (75.00%) Cloudera
5 24 (66.67%) SQL
5 24 (66.67%) Oracle
6 23 (63.89%) Agile Software Development
7 22 (61.11%) SQL Server
8 21 (58.33%) Informatica
9 20 (55.56%) Data Engineering
10 19 (52.78%) DevOps
10 19 (52.78%) SDLC
10 19 (52.78%) Use Case
11 18 (50.00%) Performance Testing
11 18 (50.00%) Data Migration
11 18 (50.00%) Scrum
11 18 (50.00%) Data Analysis
11 18 (50.00%) PMP
11 18 (50.00%) PMI Certification
11 18 (50.00%) Migration
11 18 (50.00%) PRINCE2
11 18 (50.00%) Microsoft Excel
12 13 (36.11%) Python
12 13 (36.11%) HDFS
12 13 (36.11%) Hadoop
13 10 (27.78%) Kafka
13 10 (27.78%) Java
14 9 (25.00%) HBase
15 7 (19.44%) Amazon S3
15 7 (19.44%) Hadoop YARN

Impala
Co-occurring IT Skills in Central 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 35 (97.22%) Apache Spark
2 1 (2.78%) Apache Solr
2 1 (2.78%) Confluence
2 1 (2.78%) Elasticsearch
Applications
1 18 (50.00%) Microsoft Excel
Cloud Services
1 7 (19.44%) Amazon S3
2 5 (13.89%) Amazon AWS
3 4 (11.11%) Amazon EMR
3 4 (11.11%) Google Cloud Platform
4 3 (8.33%) Cloud Computing
5 1 (2.78%) Microsoft Azure
Database & Business Intelligence
1 36 (100.00%) Apache Hive
2 28 (77.78%) Big Data
3 22 (61.11%) SQL Server
4 13 (36.11%) Hadoop
5 9 (25.00%) HBase
6 6 (16.67%) Data Lake
7 4 (11.11%) MySQL
7 4 (11.11%) NoSQL
7 4 (11.11%) Sqoop
8 3 (8.33%) Data Warehouse
8 3 (8.33%) MongoDB
8 3 (8.33%) OLAP
8 3 (8.33%) OLTP
8 3 (8.33%) Oracle OLAP
8 3 (8.33%) Parquet
9 2 (5.56%) PostgreSQL
10 1 (2.78%) Cloudera CDH
10 1 (2.78%) Flink
10 1 (2.78%) RDBMS
10 1 (2.78%) Relational Database
Development Applications
1 1 (2.78%) Bitbucket
1 1 (2.78%) JIRA
General
1 4 (11.11%) Banking
2 3 (8.33%) Retail
3 2 (5.56%) Finance
Job Titles
1 26 (72.22%) Data Engineer
2 21 (58.33%) Cloud Engineer
3 20 (55.56%) Big Data Engineer
4 4 (11.11%) Architect
5 3 (8.33%) Data Architect
6 1 (2.78%) Agile Developer
6 1 (2.78%) Big Data Developer
6 1 (2.78%) Cloud Architect
6 1 (2.78%) Data Science Engineer
6 1 (2.78%) Data Scientist
6 1 (2.78%) Developer
6 1 (2.78%) DevOps Engineer
6 1 (2.78%) MicroStrategy Expert
6 1 (2.78%) Python Developer
6 1 (2.78%) SQL Developer
6 1 (2.78%) Systems Architect
Libraries, Frameworks & Software Standards
1 10 (27.78%) Kafka
2 4 (11.11%) Spark Streaming
3 3 (8.33%) LAMP
3 3 (8.33%) Spring
4 2 (5.56%) Apache Avro
4 2 (5.56%) Spring Boot
4 2 (5.56%) Web Services
5 1 (2.78%) AngularJS
5 1 (2.78%) CSS
5 1 (2.78%) CSS3
5 1 (2.78%) Flask
5 1 (2.78%) HTML
5 1 (2.78%) HTML5
5 1 (2.78%) Natural Language Processing
5 1 (2.78%) Node.js
5 1 (2.78%) NumPy
5 1 (2.78%) Pandas
5 1 (2.78%) React
5 1 (2.78%) scikit-learn
5 1 (2.78%) SciPy
Miscellaneous
1 3 (8.33%) Algorithms
1 3 (8.33%) Data Structures
Operating Systems
1 4 (11.11%) Linux
2 3 (8.33%) Unix
Processes & Methodologies
1 23 (63.89%) Agile Software Development
2 20 (55.56%) Data Engineering
3 19 (52.78%) DevOps
3 19 (52.78%) SDLC
3 19 (52.78%) Use Case
4 18 (50.00%) Data Analysis
4 18 (50.00%) Data Migration
4 18 (50.00%) Migration
4 18 (50.00%) Performance Testing
4 18 (50.00%) PRINCE2
4 18 (50.00%) Scrum
5 7 (19.44%) Data Science
6 6 (16.67%) Data Ingestion
6 6 (16.67%) Data Modelling
6 6 (16.67%) Performance Tuning
7 5 (13.89%) TDD
8 4 (11.11%) BDD
8 4 (11.11%) ETL
9 3 (8.33%) Machine Learning
9 3 (8.33%) Single Customer View
Programming Languages
1 24 (66.67%) SQL
2 13 (36.11%) Python
3 10 (27.78%) Java
4 7 (19.44%) Scala
5 5 (13.89%) Shell Script
6 1 (2.78%) Bash Shell
6 1 (2.78%) JavaScript
Qualifications
1 18 (50.00%) PMI Certification
1 18 (50.00%) PMP
2 2 (5.56%) Security Cleared
3 1 (2.78%) DV Cleared
3 1 (2.78%) SC Cleared
Quality Assurance & Compliance
1 1 (2.78%) GDPR
System Software
1 13 (36.11%) HDFS
2 4 (11.11%) Apache Flume
3 1 (2.78%) Apache ZooKeeper
Systems Management
1 7 (19.44%) Hadoop YARN
2 1 (2.78%) Oozie
Vendors
1 27 (75.00%) Cloudera
2 24 (66.67%) Oracle
3 21 (58.33%) Informatica
4 4 (11.11%) Google
5 3 (8.33%) Talend
5 3 (8.33%) Teradata
6 1 (2.78%) Atlassian
6 1 (2.78%) MicroStrategy