Period
to 22 November 2017

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for MapReduce skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited MapReduce over the 6 months to 22 November 2017 with a comparison to the same period in the previous 2 years.

MapReduce
England > London
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 648 535 546
Rank change year-on-year -113 +11 +1
Permanent jobs citing MapReduce 194 317 383
As % of all permanent IT jobs advertised in London 0.26% 0.42% 0.44%
As % of the Processes & Methodologies category 0.28% 0.46% 0.49%
Number of salaries quoted 150 261 312
London median annual salary £70,000 £75,000 £72,500
Median salary % change year-on-year -6.67% +3.45% +7.41%
10th Percentile £45,000 £48,750 £43,750
90th Percentile £107,500 £97,500 £95,000
England median annual salary £67,500 £67,500 £70,000
% change year-on-year - -3.57% -

MapReduce is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Permanent vacancies with a requirement for process or methodology skills 69031 69078 78753
As % of all permanent IT jobs advertised in London 91.60% 90.65% 89.58%
Number of salaries quoted 53165 59470 66332
London median annual salary £60,000 £57,604 £55,000
Median salary % change year-on-year +4.16% +4.73% -
10th Percentile £35,000 £33,750 £33,000
90th Percentile £90,000 £88,750 £86,250
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

MapReduce
Job Vacancy Trend in London

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

Job vacancy trend for MapReduce in London

MapReduce
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing MapReduce in London.

Salary trend for MapReduce in London

MapReduce
Salary Histogram in London

The salary distribution of IT jobs citing MapReduce in London over the 6 months to 22 November 2017.

Salary histogram for MapReduce in London

MapReduce
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing MapReduce within the London region over the 6 months to 22 November 2017. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -24 35 £70,000 -15.15% 2
West London -5 4 £90,000 +20.00% 1
MapReduce
England

For the 6 months to 22 November 2017, IT jobs citing MapReduce also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for MapReduce.

1 177 (91.24%) Hadoop
2 161 (82.99%) Big Data
3 144 (74.23%) Apache Spark
4 116 (59.79%) Apache Hive
4 116 (59.79%) Java
5 106 (54.64%) Python
6 99 (51.03%) Analytics
7 92 (47.42%) NoSQL
8 80 (41.24%) Agile Software Development
9 75 (38.66%) HBase
10 70 (36.08%) HDFS
11 66 (34.02%) SQL
12 63 (32.47%) Apache Pig
13 59 (30.41%) Linux
14 57 (29.38%) MongoDB
15 56 (28.87%) Apache Flume
16 55 (28.35%) Scala
17 50 (25.77%) Relational Database
18 48 (24.74%) Finance
19 47 (24.23%) Amazon AWS
20 46 (23.71%) Apache Cassandra
20 46 (23.71%) Sqoop
21 42 (21.65%) Kafka
22 40 (20.62%) Degree
23 39 (20.10%) ETL
23 39 (20.10%) Business Intelligence
24 37 (19.07%) R
24 37 (19.07%) Cloudera
25 36 (18.56%) Open Source
25 36 (18.56%) Apache

MapReduce
Co-occurring IT Skills in 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
1 144 (74.23%) Apache Spark
2 63 (32.47%) Apache Pig
3 36 (18.56%) Apache
4 32 (16.49%) SAS
5 14 (7.22%) Apache Airflow
6 11 (5.67%) Apache Solr
7 8 (4.12%) Elasticsearch
8 2 (1.03%) Confluence
8 2 (1.03%) JBoss
8 2 (1.03%) Jupyter
8 2 (1.03%) WebLogic
Applications
1 7 (3.61%) SPSS
2 2 (1.03%) Microsoft Excel
Cloud Services
1 47 (24.23%) Amazon AWS
2 24 (12.37%) Microsoft Azure
3 17 (8.76%) Amazon EMR
4 9 (4.64%) Amazon EC2
5 7 (3.61%) Amazon CloudWatch
5 7 (3.61%) AWS CloudFormation
6 6 (3.09%) Cloud Computing
7 5 (2.58%) Google Cloud Platform
8 3 (1.55%) Amazon S3
8 3 (1.55%) Azure Machine Learning
8 3 (1.55%) GitHub
8 3 (1.55%) PaaS
9 2 (1.03%) Amazon SQS
9 2 (1.03%) AWS Lambda
9 2 (1.03%) CloudFront
9 2 (1.03%) Cortana Intelligence Suite
9 2 (1.03%) IaaS
9 2 (1.03%) Route 53
9 2 (1.03%) SaaS
9 2 (1.03%) Virtual Private Cloud
Communications & Networking
1 6 (3.09%) HTTP
2 4 (2.06%) Kerberos
3 3 (1.55%) LDAP
4 2 (1.03%) VPN
5 1 (0.52%) Internet
5 1 (0.52%) Network Security
Database & Business Intelligence
1 177 (91.24%) Hadoop
2 161 (82.99%) Big Data
3 116 (59.79%) Apache Hive
4 92 (47.42%) NoSQL
5 75 (38.66%) HBase
6 57 (29.38%) MongoDB
7 50 (25.77%) Relational Database
8 46 (23.71%) Apache Cassandra
8 46 (23.71%) Sqoop
9 31 (15.98%) RDBMS
10 28 (14.43%) SQL Server
11 24 (12.37%) Impala
12 21 (10.82%) SQL Server Integration Services
13 16 (8.25%) Data Warehouse
14 14 (7.22%) Power BI
15 12 (6.19%) Flink
16 11 (5.67%) Data Mining
16 11 (5.67%) SQL Server Analysis Services
16 11 (5.67%) SQL Server Reporting Services
17 9 (4.64%) Pentaho
Development Applications
1 27 (13.92%) Subversion
2 26 (13.40%) Jenkins
3 23 (11.86%) Git (software)
4 21 (10.82%) SQL Server Management Studio (SSMS)
5 20 (10.31%) RStudio
6 17 (8.76%) Selenium
7 15 (7.73%) Atlassian Bamboo
7 15 (7.73%) Maven
8 5 (2.58%) Gerrit
8 5 (2.58%) JIRA
9 4 (2.06%) Artifactory
9 4 (2.06%) Grunt
9 4 (2.06%) Jasmine
9 4 (2.06%) Vagrant
10 2 (1.03%) Ant
10 2 (1.03%) Bitbucket
10 2 (1.03%) Gradle
10 2 (1.03%) IBM UrbanCode
10 2 (1.03%) Mercurial
10 2 (1.03%) Travis CI
General
1 48 (24.74%) Finance
2 17 (8.76%) Banking
3 11 (5.67%) Retail
4 5 (2.58%) Marketing
5 3 (1.55%) Aerospace
5 3 (1.55%) Investment Banking
5 3 (1.55%) Legal
6 2 (1.03%) Games
7 1 (0.52%) Automotive
7 1 (0.52%) Corporate Banking
7 1 (0.52%) Digital Economy
7 1 (0.52%) Front Office
7 1 (0.52%) Law
7 1 (0.52%) Retail Banking
7 1 (0.52%) Spanish Language
7 1 (0.52%) Telecoms
Job Titles
1 46 (23.71%) Developer
2 41 (21.13%) Data Engineer
3 36 (18.56%) Big Data Engineer
4 31 (15.98%) Architect
5 30 (15.46%) Data Architect
6 25 (12.89%) Big Data Architect
7 24 (12.37%) Big Data Developer
8 21 (10.82%) Data Manager
9 20 (10.31%) Hadoop Engineer
10 18 (9.28%) Java Developer
11 12 (6.19%) Data Scientist
12 8 (4.12%) Integration Engineer
12 8 (4.12%) Lead Architect
12 8 (4.12%) Lead Data Architect
12 8 (4.12%) Test and Integration Engineer
12 8 (4.12%) Test Engineer
13 7 (3.61%) Big Data Solutions Architect
13 7 (3.61%) Hadoop Developer
13 7 (3.61%) Solutions Architect
14 6 (3.09%) Senior Developer
Libraries, Frameworks & Software Standards
1 42 (21.65%) Kafka
2 17 (8.76%) Web Services
3 12 (6.19%) Spring
4 9 (4.64%) .NET
4 9 (4.64%) HTML
4 9 (4.64%) Spark Streaming
5 8 (4.12%) JSON
5 8 (4.12%) NumPy
6 7 (3.61%) AngularJS
6 7 (3.61%) REST
7 6 (3.09%) CSS
7 6 (3.09%) RESTful
7 6 (3.09%) Spring Boot
8 5 (2.58%) Apache Avro
8 5 (2.58%) Dropwizard
8 5 (2.58%) Pandas
8 5 (2.58%) RabbitMQ
8 5 (2.58%) SciPy
8 5 (2.58%) TensorFlow
8 5 (2.58%) XML
Miscellaneous
1 22 (11.34%) Algorithms
2 20 (10.31%) Data Structures
3 19 (9.79%) Analytical Skills
4 17 (8.76%) Computer Science
5 9 (4.64%) Greenfield Project
6 6 (3.09%) Hybrid Cloud
6 6 (3.09%) Public Cloud
6 6 (3.09%) Virtual Team
7 5 (2.58%) Data Centre
7 5 (2.58%) Fintech
7 5 (2.58%) PKI
7 5 (2.58%) Taxonomies
8 1 (0.52%) Blog
8 1 (0.52%) Client/Server
8 1 (0.52%) Credit Risk
8 1 (0.52%) Enterprise Software
8 1 (0.52%) Foreign Exchange (FX)
8 1 (0.52%) Hedge funds
8 1 (0.52%) Internet of Things
8 1 (0.52%) Mobile Banking
Operating Systems
1 59 (30.41%) Linux
2 13 (6.70%) Unix
3 3 (1.55%) Mac OS X
3 3 (1.55%) Windows
4 2 (1.03%) Mesosphere
4 2 (1.03%) Ubuntu
Processes & Methodologies
1 99 (51.03%) Analytics
2 80 (41.24%) Agile Software Development
3 39 (20.10%) Business Intelligence
3 39 (20.10%) ETL
4 36 (18.56%) Open Source
5 30 (15.46%) Data Architecture
6 29 (14.95%) Data Analytics
7 27 (13.92%) Data Management
7 27 (13.92%) DevOps
8 26 (13.40%) Continuous Integration
9 25 (12.89%) Machine Learning
10 22 (11.34%) TDD
11 18 (9.28%) Big Data Analytics
11 18 (9.28%) Creative Thinking
11 18 (9.28%) Mathematics
11 18 (9.28%) Test Automation
11 18 (9.28%) Visualisation
12 17 (8.76%) Business Analytics
12 17 (8.76%) Use Case
13 16 (8.25%) User Acceptance Testing
Programming Languages
1 116 (59.79%) Java
2 106 (54.64%) Python
3 66 (34.02%) SQL
4 55 (28.35%) Scala
5 37 (19.07%) R
6 24 (12.37%) C
7 22 (11.34%) Shell Script
7 22 (11.34%) T-SQL
8 17 (8.76%) C#
8 17 (8.76%) JavaScript
9 13 (6.70%) Bash Shell
10 10 (5.15%) Perl
11 9 (4.64%) PHP
12 6 (3.09%) C++
13 4 (2.06%) Ruby
14 2 (1.03%) CQL
14 2 (1.03%) MATLAB
14 2 (1.03%) PowerShell
15 1 (0.52%) HiveQL
15 1 (0.52%) VBA
Qualifications
1 40 (20.62%) Degree
2 23 (11.86%) DV Cleared
2 23 (11.86%) Security Cleared
3 18 (9.28%) SC Cleared
4 12 (6.19%) Computer Science Degree
5 8 (4.12%) Master's Degree
6 7 (3.61%) PhD
7 2 (1.03%) Numerate Degree
Quality Assurance & Compliance
1 12 (6.19%) Data Quality
2 5 (2.58%) GDPR
3 4 (2.06%) QA
4 1 (0.52%) Actionable Recommendations
4 1 (0.52%) GCP
System Software
1 70 (36.08%) HDFS
2 56 (28.87%) Apache Flume
3 10 (5.15%) Docker
4 7 (3.61%) Apache ZooKeeper
5 2 (1.03%) MapR-FS
6 1 (0.52%) Cronacle
Systems Management
1 34 (17.53%) Oozie
2 9 (4.64%) Opscode Chef
3 8 (4.12%) Hadoop YARN
4 7 (3.61%) Puppet
5 4 (2.06%) Ambari
6 2 (1.03%) Ansible
6 2 (1.03%) Control-M
6 2 (1.03%) Docker Swarm
6 2 (1.03%) Kubernetes
6 2 (1.03%) Nagios
6 2 (1.03%) yum
7 1 (0.52%) BladeLogic
7 1 (0.52%) Salt
Vendors
1 37 (19.07%) Cloudera
2 31 (15.98%) Hortonworks
3 21 (10.82%) Tableau
4 19 (9.79%) MapR
5 13 (6.70%) Splunk
6 11 (5.67%) Oracle
7 9 (4.64%) SAP
8 8 (4.12%) Teradata
9 7 (3.61%) TIBCO
10 6 (3.09%) Google
11 5 (2.58%) Microsoft
12 3 (1.55%) Datameer
13 2 (1.03%) CA Agile Central
13 2 (1.03%) Informatica
13 2 (1.03%) Platfora
13 2 (1.03%) Talend
14 1 (0.52%) Atlassian
14 1 (0.52%) Perforce
14 1 (0.52%) Remedy
14 1 (0.52%) Salesforce.com