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 3 months to 29 June 2017 with a comparison to the same period in the previous 2 years.

MapReduce
England / London
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 489 469 489
Rank change year-on-year -20 +20  
Permanent jobs citing MapReduce 129 177 188
As % of all permanent IT jobs advertised in London 0.35% 0.44% 0.42%
As % of the Processes & Methodologies category 0.39% 0.49% 0.47%
Number of salaries quoted 97 145 153
Median salary £70,000 £75,000 £70,000
Median salary % change year-on-year -6.66% +7.14%  
90% offered a salary of more than £48,750 £45,000 £43,750
10% offered a salary of more than £114,250 £96,250 £97,500
UK excluding London median salary £42,500 £55,000 £54,000
% change year-on-year -22.72% +1.85%  

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

Process & Methodology Skills
London
Permanent job vacancies with a requirement for process and methodology skills 33413 36177 40004
As % of all permanent IT job vacancies advertised in London 91.07% 90.57% 88.97%
Number of salaries quoted 113282 135936 136312
Median salary £60,500 £60,000 £57,500
Median salary % change year-on-year +0.83% +4.34%  
90% offered a salary of more than £37,500 £37,250 £35,000
10% offered a salary of more than £90,000 £86,250 £87,500
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

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 3 months to 29 June 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 3 months to 29 June 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +28 25 £70,000 -15.15% 1
West End of London - 3 £57,500 - 1
Uxbridge - 1 - -
Canary Wharf - 1 £62,500 -
MapReduce
England

For the 6 months to 29 June 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.

1 193 (89.35%) Hadoop
2 178 (82.41%) Big Data
3 148 (68.52%) Apache Spark
4 137 (63.43%) Java
5 120 (55.56%) Apache Hive
6 113 (52.31%) Python
7 102 (47.22%) Analytics
8 93 (43.06%) Apache Pig
8 93 (43.06%) HBase
9 81 (37.50%) HDFS
10 80 (37.04%) NoSQL
11 78 (36.11%) Agile Software Development
12 63 (29.17%) Apache Cassandra
13 60 (27.78%) Scala
14 59 (27.31%) Apache Flume
15 58 (26.85%) Amazon AWS
15 58 (26.85%) SQL
16 55 (25.46%) Linux
16 55 (25.46%) Finance
17 50 (23.15%) Analytical Skills
18 48 (22.22%) Sqoop
19 47 (21.76%) Degree
20 44 (20.37%) Business Intelligence
21 43 (19.91%) Machine Learning
21 43 (19.91%) MongoDB
22 42 (19.44%) R
22 42 (19.44%) Kafka
23 41 (18.98%) Relational Database
24 39 (18.06%) ETL
24 39 (18.06%) SAS

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
1 148 (68.52%) Apache Spark
2 93 (43.06%) Apache Pig
3 39 (18.06%) SAS
4 37 (17.13%) Apache
5 13 (6.02%) Apache Solr
6 7 (3.24%) Elasticsearch
7 3 (1.39%) Confluence
7 3 (1.39%) WebSphere
8 2 (0.93%) JBoss
8 2 (0.93%) Mule
8 2 (0.93%) Tomcat
8 2 (0.93%) WebLogic
9 1 (0.46%) IIS
9 1 (0.46%) MS Exchange
9 1 (0.46%) OpenStack
9 1 (0.46%) SharePoint
9 1 (0.46%) Skype for Business
Applications
1 14 (6.48%) SPSS
2 1 (0.46%) Microsoft Excel
Business Applications
1 1 (0.46%) SAP ERP
Cloud Services
1 58 (26.85%) Amazon AWS
2 22 (10.19%) Amazon EMR
3 20 (9.26%) Microsoft Azure
4 11 (5.09%) Google Cloud Platform
5 9 (4.17%) Amazon EC2
6 8 (3.70%) AWS CloudFormation
7 6 (2.78%) Amazon CloudWatch
8 5 (2.31%) PaaS
9 4 (1.85%) Amazon Kinesis
9 4 (1.85%) Amazon SQS
9 4 (1.85%) IaaS
9 4 (1.85%) SaaS
10 3 (1.39%) Amazon S3
10 3 (1.39%) Cloud Computing
10 3 (1.39%) CloudFront
10 3 (1.39%) GitHub
11 2 (0.93%) AWS Lambda
11 2 (0.93%) Route 53
12 1 (0.46%) AWS Elastic Beanstalk
12 1 (0.46%) Virtual Private Cloud
Communications & Networking
1 12 (5.56%) HTTP
2 8 (3.70%) Kerberos
2 8 (3.70%) LDAP
3 2 (0.93%) Internet
3 2 (0.93%) SSL
4 1 (0.46%) DNS
4 1 (0.46%) Firewall
4 1 (0.46%) FTP
4 1 (0.46%) Intranet
4 1 (0.46%) IPsec
4 1 (0.46%) MQTT
4 1 (0.46%) Network Security
4 1 (0.46%) tcpdump
4 1 (0.46%) Wireshark
Database & Business Intelligence
1 193 (89.35%) Hadoop
2 178 (82.41%) Big Data
3 120 (55.56%) Apache Hive
4 93 (43.06%) HBase
5 80 (37.04%) NoSQL
6 63 (29.17%) Apache Cassandra
7 48 (22.22%) Sqoop
8 43 (19.91%) MongoDB
9 41 (18.98%) Relational Database
10 30 (13.89%) Impala
11 26 (12.04%) Pentaho
12 23 (10.65%) RDBMS
12 23 (10.65%) SQL Server
13 21 (9.72%) Neo4j
14 19 (8.80%) Data Mining
15 15 (6.94%) SQL Server Integration Services
16 14 (6.48%) Data Warehouse
17 13 (6.02%) QlikView
18 12 (5.56%) Amazon DynamoDB
18 12 (5.56%) MySQL
Development Applications
1 21 (9.72%) Subversion
2 15 (6.94%) Git (software)
3 14 (6.48%) RStudio
3 14 (6.48%) SQL Server Management Studio (SSMS)
4 12 (5.56%) Jenkins
5 6 (2.78%) Atlassian Bamboo
6 5 (2.31%) Selenium
7 4 (1.85%) JIRA
7 4 (1.85%) Talend Open Studio
8 3 (1.39%) JUnit
9 2 (0.93%) Gradle
9 2 (0.93%) Maven
9 2 (0.93%) Mercurial
9 2 (0.93%) Spock
9 2 (0.93%) Travis CI
General
1 55 (25.46%) Finance
2 15 (6.94%) Retail
3 14 (6.48%) Marketing
4 11 (5.09%) Banking
5 6 (2.78%) Games
5 6 (2.78%) Investment Banking
6 4 (1.85%) Telecoms
7 3 (1.39%) Legal
8 2 (0.93%) Digital Economy
8 2 (0.93%) Front Office
9 1 (0.46%) Advertising
9 1 (0.46%) Music Industry
9 1 (0.46%) Publishing
Job Titles
1 45 (20.83%) Architect
2 41 (18.98%) Data Architect
2 41 (18.98%) Data Engineer
3 40 (18.52%) Big Data Architect
3 40 (18.52%) Big Data Engineer
4 27 (12.50%) Developer
5 26 (12.04%) Data Scientist
6 22 (10.19%) Hadoop Engineer
7 17 (7.87%) Big Data Developer
7 17 (7.87%) Consultant
8 16 (7.41%) Data Manager
8 16 (7.41%) Hadoop Architect
9 15 (6.94%) Data Consultant
10 13 (6.02%) Big Data Consultant
11 12 (5.56%) E-Commerce Director
11 12 (5.56%) Technology Director
12 9 (4.17%) Java Engineer
12 9 (4.17%) Software Engineer
13 8 (3.70%) Java Developer
14 7 (3.24%) Solutions Architect
Libraries, Frameworks & Software Standards
1 42 (19.44%) Kafka
2 31 (14.35%) Web Services
3 16 (7.41%) .NET
3 16 (7.41%) XML
4 12 (5.56%) JSON
5 9 (4.17%) HTML
6 8 (3.70%) Akka
6 8 (3.70%) Apache Flex
6 8 (3.70%) Spark Streaming
7 7 (3.24%) Natural Language Processing
7 7 (3.24%) Spring
8 6 (2.78%) RESTful
9 5 (2.31%) CSS
9 5 (2.31%) Dropwizard
9 5 (2.31%) Java EE
9 5 (2.31%) MLlib
9 5 (2.31%) Regular Expression
9 5 (2.31%) Spring Boot
10 4 (1.85%) RabbitMQ
10 4 (1.85%) REST
Miscellaneous
1 50 (23.15%) Analytical Skills
2 30 (13.89%) Algorithms
3 27 (12.50%) Computer Science
4 14 (6.48%) Virtual Team
5 12 (5.56%) Data Structures
6 8 (3.70%) Foreign Exchange (FX)
6 8 (3.70%) Greenfield Project
7 6 (2.78%) Clustering
8 4 (1.85%) Fintech
9 3 (1.39%) Digital Media
9 3 (1.39%) User Experience
10 2 (0.93%) Data Centre
10 2 (0.93%) Internet of Things
10 2 (0.93%) Replication
11 1 (0.46%) Blog
11 1 (0.46%) Credit Risk
11 1 (0.46%) Online Games
11 1 (0.46%) Robotics
11 1 (0.46%) Streaming Music
11 1 (0.46%) Taxonomies
Operating Systems
1 55 (25.46%) Linux
2 11 (5.09%) Unix
3 7 (3.24%) Windows
4 3 (1.39%) Mac OS X
5 2 (0.93%) Solaris
6 1 (0.46%) Android
6 1 (0.46%) Apple iOS
6 1 (0.46%) Ubuntu
Processes & Methodologies
1 102 (47.22%) Analytics
2 78 (36.11%) Agile Software Development
3 44 (20.37%) Business Intelligence
4 43 (19.91%) Machine Learning
5 39 (18.06%) ETL
6 31 (14.35%) Data Analytics
7 29 (13.43%) Open Source
8 27 (12.50%) E-Commerce
9 26 (12.04%) DevOps
10 24 (11.11%) Data Architecture
11 23 (10.65%) Use Case
12 21 (9.72%) Data Management
12 21 (9.72%) Data Modelling
12 21 (9.72%) Visualisation
13 19 (8.80%) Technical Architecture
14 18 (8.33%) Information Management
15 17 (7.87%) TDD
16 16 (7.41%) Mathematics
16 16 (7.41%) Software Engineering
16 16 (7.41%) Waterfall
Programming Languages
1 137 (63.43%) Java
2 113 (52.31%) Python
3 60 (27.78%) Scala
4 58 (26.85%) SQL
5 42 (19.44%) R
6 16 (7.41%) C#
7 15 (6.94%) JavaScript
8 14 (6.48%) C
8 14 (6.48%) T-SQL
9 11 (5.09%) C++
10 9 (4.17%) Ruby
11 8 (3.70%) Perl
12 7 (3.24%) PHP
13 6 (2.78%) Bash Shell
14 3 (1.39%) MATLAB
15 1 (0.46%) F#
15 1 (0.46%) Go
15 1 (0.46%) JSX
15 1 (0.46%) PowerShell
15 1 (0.46%) Shell Script
Qualifications
1 47 (21.76%) Degree
2 15 (6.94%) DV Cleared
2 15 (6.94%) PhD
2 15 (6.94%) Security Cleared
3 12 (5.56%) SC Cleared
4 9 (4.17%) Computer Science Degree
5 5 (2.31%) Master's Degree
6 2 (0.93%) CISM
6 2 (0.93%) CISSP
6 2 (0.93%) Numerate Degree
6 2 (0.93%) Postgraduate
6 2 (0.93%) Sun Certification
7 1 (0.46%) AWS Certification
7 1 (0.46%) CISA
7 1 (0.46%) MCSD
7 1 (0.46%) Microsoft Certification
7 1 (0.46%) Oracle Certification
Quality Assurance & Compliance
1 5 (2.31%) Data Quality
2 3 (1.39%) GCP
3 1 (0.46%) Actionable Recommendations
3 1 (0.46%) GDPR
3 1 (0.46%) ISO/IEC 27001
3 1 (0.46%) MiFID
3 1 (0.46%) PCI DSS
3 1 (0.46%) QA
System Software
1 81 (37.50%) HDFS
2 59 (27.31%) Apache Flume
3 4 (1.85%) Active Directory
3 4 (1.85%) Docker
4 3 (1.39%) Apache ZooKeeper
5 1 (0.46%) Cronacle
5 1 (0.46%) VMware Infrastructure
5 1 (0.46%) Xen
Systems Management
1 33 (15.28%) Oozie
2 9 (4.17%) Ansible
3 8 (3.70%) Puppet
4 6 (2.78%) Opscode Chef
5 3 (1.39%) Ambari
5 3 (1.39%) Terraform
6 2 (0.93%) Hadoop YARN
6 2 (0.93%) Nagios
7 1 (0.46%) Control-M
7 1 (0.46%) Ganglia
7 1 (0.46%) Graphite
7 1 (0.46%) QRadar
7 1 (0.46%) Salt
Vendors
1 26 (12.04%) Tableau
2 22 (10.19%) Cloudera
3 21 (9.72%) Hortonworks
4 19 (8.80%) TIBCO
5 15 (6.94%) Google
6 14 (6.48%) Teradata
7 13 (6.02%) MapR
8 8 (3.70%) Microsoft
8 8 (3.70%) SAP
9 7 (3.24%) Oracle
9 7 (3.24%) Vertica
10 5 (2.31%) Netezza
10 5 (2.31%) RapidMiner
11 4 (1.85%) Cognos
11 4 (1.85%) Facebook
11 4 (1.85%) Greenplum
11 4 (1.85%) Informatica
11 4 (1.85%) MicroStrategy
11 4 (1.85%) Talend
11 4 (1.85%) Twitter
London
Click Digital
Salary: £60,000 - £85,000 per year
Posted: Yesterday
London
Datasource Computer Employment
Salary: Salary DOE
Posted: 11 hours ago
London
Click Digital
Salary: £70,000 - £95,000 per year
Posted: Yesterday
London
Cognizant
Salary: Unspecified
Posted: 20 hours ago
London
Client Server
Salary: £80000 - £95000 per annum + benefits
Posted: 2 days ago
Central London / West End
Client Server
Salary: £85k to £100k + benefits
Posted: 3 days ago
London
Client Server
Salary: £85000 - £100000 per annum + benefits
Posted: 3 days ago
London
Digitech Resourcing Ltd
Salary: From £70,000 to £90,000 per annum
Posted: 6 days ago
London
TDA Group
Salary: £80000 - £90000 per annum + + Benefits + Bonus
Posted: 9 days ago
London
Computer Futures
Salary: £90000 - £100000 per annum + Competitive benefits
Posted: 14 days ago
London
Hays London City Cheapside
Salary: £90000.00 - £110000.00 per annum
Posted: 19 days ago