The following table provides summary statistics for permanent job vacancies advertised in the City of 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 24 June 2017 with a comparison to the same period in the previous 2 years.

MapReduce
London / City of London
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 211 233 279
Rank change year-on-year +22 +46  
Permanent jobs citing MapReduce 25 29 39
As % of all permanent IT jobs advertised in the City of London 0.49% 0.46% 0.38%
As % of the Processes & Methodologies category 0.54% 0.50% 0.42%
Number of salaries quoted 21 25 30
Median salary £70,000 £82,500 £75,000
Median salary % change year-on-year -15.15% +10.00%  
90% offered a salary of more than £67,500 £54,000 £45,450
10% offered a salary of more than £100,000 £90,000 £110,000
UK excluding London median salary £47,500 £55,000 £52,500
% change year-on-year -13.63% +4.76%  

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 the City of London with a requirement for process and methodology skills.

Process & Methodology Skills
City of London
Permanent job vacancies with a requirement for process and methodology skills 4596 5757 9274
As % of all permanent IT job vacancies advertised in the City of London 89.29% 90.68% 89.28%
Number of salaries quoted 4057 5256 7948
Median salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.16% +4.34%  
90% offered a salary of more than £40,000 £40,000 £39,000
10% offered a salary of more than £85,000 £80,750 £85,000
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

MapReduce
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing MapReduce as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for MapReduce in the City of London

MapReduce
Salary Trend in the City of London

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

Salary trend for MapReduce in the City of London

MapReduce
Salary Histogram in the City of London

The salary distribution of IT jobs citing MapReduce in the City of London over the 3 months to 24 June 2017.

Salary histogram for MapReduce in the City of London

For the 6 months to 24 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 City of London region with a requirement for MapReduce.

1 41 (95.35%) Hadoop
2 33 (76.74%) Big Data
3 25 (58.14%) Apache Hive
3 25 (58.14%) Java
4 21 (48.84%) HDFS
4 21 (48.84%) Apache Spark
5 18 (41.86%) Agile Software Development
6 17 (39.53%) Sqoop
6 17 (39.53%) Analytical Skills
7 15 (34.88%) Apache Pig
8 14 (32.56%) HBase
8 14 (32.56%) Linux
8 14 (32.56%) Line Management
9 13 (30.23%) Python
10 12 (27.91%) E-Commerce
10 12 (27.91%) Retail
10 12 (27.91%) Stakeholder Management
10 12 (27.91%) Virtual Team Management
10 12 (27.91%) Virtual Team
10 12 (27.91%) Matrix Organization
10 12 (27.91%) Oozie
11 11 (25.58%) SQL
12 10 (23.26%) Machine Learning
12 10 (23.26%) Analytics
13 9 (20.93%) NoSQL
14 8 (18.60%) Degree
14 8 (18.60%) Finance
15 7 (16.28%) DV Cleared
15 7 (16.28%) Security Cleared
15 7 (16.28%) Amazon AWS

MapReduce
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 21 (48.84%) Apache Spark
2 15 (34.88%) Apache Pig
3 3 (6.98%) Apache Solr
3 3 (6.98%) SAS
4 1 (2.33%) Apache
4 1 (2.33%) Confluence
4 1 (2.33%) Elasticsearch
4 1 (2.33%) IIS
4 1 (2.33%) WebSphere
Applications
1 1 (2.33%) SPSS
Cloud Services
1 7 (16.28%) Amazon AWS
1 7 (16.28%) Amazon EMR
2 2 (4.65%) Amazon EC2
2 2 (4.65%) Amazon S3
2 2 (4.65%) Amazon SQS
2 2 (4.65%) AWS CloudFormation
2 2 (4.65%) AWS Lambda
2 2 (4.65%) CloudFront
2 2 (4.65%) Microsoft Azure
2 2 (4.65%) Route 53
3 1 (2.33%) GitHub
Communications & Networking
1 2 (4.65%) HTTP
2 1 (2.33%) Kerberos
2 1 (2.33%) LDAP
Database & Business Intelligence
1 41 (95.35%) Hadoop
2 33 (76.74%) Big Data
3 25 (58.14%) Apache Hive
4 17 (39.53%) Sqoop
5 14 (32.56%) HBase
6 9 (20.93%) NoSQL
7 6 (13.95%) SQL Server
8 5 (11.63%) SQL Server Integration Services
9 4 (9.30%) MongoDB
9 4 (9.30%) RDBMS
9 4 (9.30%) Relational Database
9 4 (9.30%) SQL Server Analysis Services
9 4 (9.30%) SQL Server Reporting Services
10 3 (6.98%) Impala
10 3 (6.98%) MySQL
11 2 (4.65%) Amazon DynamoDB
11 2 (4.65%) Amazon RDS
11 2 (4.65%) Amazon Redshift
11 2 (4.65%) Apache Cassandra
12 1 (2.33%) Data Warehouse
Development Applications
1 6 (13.95%) Subversion
2 5 (11.63%) Jenkins
2 5 (11.63%) RStudio
2 5 (11.63%) SQL Server Management Studio (SSMS)
3 4 (9.30%) Atlassian Bamboo
3 4 (9.30%) Selenium
4 2 (4.65%) Gradle
4 2 (4.65%) Spock
5 1 (2.33%) JIRA
General
1 12 (27.91%) Retail
2 8 (18.60%) Finance
3 4 (9.30%) Banking
4 1 (2.33%) Investment Banking
4 1 (2.33%) Marketing
Job Titles
1 12 (27.91%) E-Commerce Director
1 12 (27.91%) Technology Director
2 7 (16.28%) Architect
3 6 (13.95%) Big Data Architect
3 6 (13.95%) Data Architect
4 5 (11.63%) AWS Architect
4 5 (11.63%) Data Manager
4 5 (11.63%) Hadoop Architect
5 4 (9.30%) Big Data Engineer
5 4 (9.30%) Data Engineer
6 3 (6.98%) Programmer
6 3 (6.98%) Python Programmer
6 3 (6.98%) Test Automation Engineer
6 3 (6.98%) Test Engineer
7 2 (4.65%) AWS Engineer
7 2 (4.65%) Big Data Developer
7 2 (4.65%) Data Scientist
7 2 (4.65%) Hadoop Developer
7 2 (4.65%) Java Software Engineer
7 2 (4.65%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 6 (13.95%) Web Services
2 3 (6.98%) HTML
3 2 (4.65%) Kafka
3 2 (4.65%) Natural Language Processing
3 2 (4.65%) Node.js
4 1 (2.33%) CSS
4 1 (2.33%) DHTML
4 1 (2.33%) Django
4 1 (2.33%) jQuery
4 1 (2.33%) LAMP
4 1 (2.33%) REST
4 1 (2.33%) Ruby on Rails
4 1 (2.33%) SOAP
4 1 (2.33%) XML
Miscellaneous
1 17 (39.53%) Analytical Skills
2 12 (27.91%) Virtual Team
3 6 (13.95%) Computer Science
4 5 (11.63%) Algorithms
5 2 (4.65%) Digital Media
6 1 (2.33%) Credit Risk
Operating Systems
1 14 (32.56%) Linux
2 4 (9.30%) Windows
3 3 (6.98%) Mac OS X
3 3 (6.98%) Unix
Processes & Methodologies
1 18 (41.86%) Agile Software Development
2 14 (32.56%) Line Management
3 12 (27.91%) E-Commerce
3 12 (27.91%) Matrix Organization
3 12 (27.91%) Stakeholder Management
3 12 (27.91%) Virtual Team Management
4 10 (23.26%) Analytics
4 10 (23.26%) Machine Learning
5 7 (16.28%) Open Source
6 6 (13.95%) ETL
6 6 (13.95%) Performance Testing
7 4 (9.30%) Business Intelligence
7 4 (9.30%) Continuous Integration
7 4 (9.30%) DevOps
7 4 (9.30%) Mathematics
7 4 (9.30%) Test Automation
8 3 (6.98%) Data Architecture
8 3 (6.98%) Data Extraction
8 3 (6.98%) SDLC
8 3 (6.98%) Software Engineering
Programming Languages
1 25 (58.14%) Java
2 13 (30.23%) Python
3 11 (25.58%) SQL
4 5 (11.63%) R
4 5 (11.63%) T-SQL
5 4 (9.30%) Bash Shell
6 2 (4.65%) Perl
6 2 (4.65%) Ruby
6 2 (4.65%) Scala
7 1 (2.33%) JavaScript
7 1 (2.33%) PHP
7 1 (2.33%) PowerShell
Qualifications
1 8 (18.60%) Degree
2 7 (16.28%) DV Cleared
2 7 (16.28%) Security Cleared
3 4 (9.30%) SC Cleared
4 3 (6.98%) Computer Science Degree
5 2 (4.65%) Sun Certification
6 1 (2.33%) PhD
Quality Assurance & Compliance
1 1 (2.33%) MiFID
1 1 (2.33%) QA
System Software
1 21 (48.84%) HDFS
2 5 (11.63%) Apache Flume
3 1 (2.33%) Active Directory
Systems Management
1 12 (27.91%) Oozie
2 2 (4.65%) Puppet
Vendors
1 4 (9.30%) Cloudera
2 3 (6.98%) Hortonworks
3 2 (4.65%) Vertica
4 1 (2.33%) MapR
4 1 (2.33%) MuleSoft
4 1 (2.33%) Oracle
4 1 (2.33%) TIBCO
City, London
ANSON MCCADE
Salary: £70,000 - £110,000 + extensive benefits package
Posted: 5 days ago
City, London
Cititec
Salary: £70000 - £95000 per annum
Posted: 5 days ago
City, London
Oliver James Associates
Salary: £65000 - £85000 per annum
Posted: 5 days ago