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 28 March 2017 with a comparison to the same period in the previous 2 years.

MapReduce
London / City of London
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 212 236 283
Rank change year-on-year +24 +47  
Permanent jobs citing MapReduce 20 33 38
As % of all permanent IT jobs advertised in the City of London 0.39% 0.46% 0.36%
As % of the Processes & Methodologies category 0.43% 0.51% 0.41%
Number of salaries quoted 19 20 33
Median salary £100,000 £86,250 £70,000
Median salary % change year-on-year +15.94% +23.21%  
UK excluding London median salary £75,000 £57,500 £55,000
% change year-on-year +30.43% +4.54%  

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 4641 6448 9164
As % of all permanent IT job vacancies advertised in the City of London 90.52% 90.31% 87.80%
Number of salaries quoted 4239 5742 7723
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 £41,000 £42,000 £37,500
10% offered a salary of more than £85,000 £82,500 £85,000
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

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 28 March 2017.

Salary histogram for MapReduce in the City of London

MapReduce
Top 30 Co-occurring IT Skills in the City of London

For the 6 months to 28 March 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 46 (88.46%) Hadoop
2 43 (82.69%) Big Data
3 28 (53.85%) Apache Spark
3 28 (53.85%) Apache Hive
4 24 (46.15%) Java
5 21 (40.38%) Analytics
6 19 (36.54%) Linux
7 18 (34.62%) Python
7 18 (34.62%) Amazon AWS
7 18 (34.62%) HDFS
8 17 (32.69%) Algorithms
8 17 (32.69%) Web Services
9 15 (28.85%) Machine Learning
9 15 (28.85%) Degree
10 13 (25.00%) Agile Software Development
11 12 (23.08%) Mathematics
11 12 (23.08%) Banking
11 12 (23.08%) Apache Pig
11 12 (23.08%) Sqoop
11 12 (23.08%) HBase
12 11 (21.15%) Amazon EMR
12 11 (21.15%) Software Engineering
12 11 (21.15%) SQL
12 11 (21.15%) E-Commerce
13 10 (19.23%) Oozie
13 10 (19.23%) Analytical Skills
14 9 (17.31%) Line Management
14 9 (17.31%) Impala
14 9 (17.31%) Marketing
15 8 (15.38%) Data Extraction

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 28 (53.85%) Apache Spark
2 12 (23.08%) Apache Pig
3 5 (9.62%) Apache
4 3 (5.77%) Confluence
4 3 (5.77%) IIS
5 2 (3.85%) SAS
6 1 (1.92%) Apache Solr
6 1 (1.92%) Elasticsearch
Applications
1 1 (1.92%) SPSS
Cloud Services
1 18 (34.62%) Amazon AWS
2 11 (21.15%) Amazon EMR
3 3 (5.77%) GitHub
4 2 (3.85%) Microsoft Azure
5 1 (1.92%) Amazon EC2
5 1 (1.92%) Amazon S3
5 1 (1.92%) Amazon SQS
5 1 (1.92%) AWS CloudFormation
5 1 (1.92%) AWS Lambda
5 1 (1.92%) CloudFront
5 1 (1.92%) Route 53
Communications & Networking
1 3 (5.77%) Kerberos
1 3 (5.77%) LDAP
2 1 (1.92%) HTTP
Database & Business Intelligence
1 46 (88.46%) Hadoop
2 43 (82.69%) Big Data
3 28 (53.85%) Apache Hive
4 12 (23.08%) HBase
4 12 (23.08%) Sqoop
5 9 (17.31%) Impala
6 6 (11.54%) Apache Cassandra
6 6 (11.54%) Data Warehouse
7 5 (9.62%) SQL Server
8 4 (7.69%) Data Mining
8 4 (7.69%) MySQL
8 4 (7.69%) RDBMS
8 4 (7.69%) Redis
8 4 (7.69%) Relational Database
9 2 (3.85%) MongoDB
9 2 (3.85%) NoSQL
10 1 (1.92%) Amazon DynamoDB
10 1 (1.92%) Amazon RDS
Development Applications
1 7 (13.46%) Jenkins
2 4 (7.69%) Gerrit
2 4 (7.69%) Grunt
2 4 (7.69%) Jasmine
2 4 (7.69%) Maven
2 4 (7.69%) Selenium
3 3 (5.77%) JIRA
3 3 (5.77%) Subversion
4 1 (1.92%) Gradle
4 1 (1.92%) Spock
General
1 12 (23.08%) Banking
2 9 (17.31%) Marketing
3 8 (15.38%) Finance
4 7 (13.46%) Retail
5 3 (5.77%) Investment Banking
6 1 (1.92%) Corporate Banking
6 1 (1.92%) Electronics
6 1 (1.92%) Financial Institution
Job Titles
1 18 (34.62%) Architect
2 14 (26.92%) Big Data Architect
2 14 (26.92%) Data Architect
3 10 (19.23%) AWS Architect
3 10 (19.23%) Hadoop Architect
4 8 (15.38%) Programmer
4 8 (15.38%) Python Programmer
5 7 (13.46%) Big Data Engineer
5 7 (13.46%) Data Engineer
5 7 (13.46%) E-Commerce Director
6 5 (9.62%) Java Engineer
6 5 (9.62%) Java Software Engineer
6 5 (9.62%) Senior Java Engineer
6 5 (9.62%) Senior Java Software Engineer
6 5 (9.62%) Senior Software Engineer
6 5 (9.62%) Software Engineer
7 4 (7.69%) Analytics Manager
7 4 (7.69%) Data Analytics Manager
7 4 (7.69%) Data Scientist
7 4 (7.69%) Machine Learning Scientist
Libraries, Frameworks & Software Standards
1 17 (32.69%) Web Services
2 4 (7.69%) AngularJS
2 4 (7.69%) Apache Avro
2 4 (7.69%) D3.js
2 4 (7.69%) HTML
3 3 (5.77%) CSS
3 3 (5.77%) DHTML
3 3 (5.77%) Django
3 3 (5.77%) jQuery
3 3 (5.77%) LAMP
3 3 (5.77%) REST
3 3 (5.77%) Ruby on Rails
3 3 (5.77%) SOAP
3 3 (5.77%) XML
4 1 (1.92%) Cascading
4 1 (1.92%) Kafka
4 1 (1.92%) Natural Language Processing
Miscellaneous
1 17 (32.69%) Algorithms
2 10 (19.23%) Analytical Skills
3 7 (13.46%) Virtual Team
4 6 (11.54%) Computer Science
5 5 (9.62%) Credit Risk
6 4 (7.69%) Fintech
7 1 (1.92%) Blog
7 1 (1.92%) Data Structures
7 1 (1.92%) Digital Media
Operating Systems
1 19 (36.54%) Linux
2 5 (9.62%) Windows
3 4 (7.69%) Unix
4 1 (1.92%) Mac OS X
Processes & Methodologies
1 21 (40.38%) Analytics
2 15 (28.85%) Machine Learning
3 13 (25.00%) Agile Software Development
4 12 (23.08%) Mathematics
5 11 (21.15%) E-Commerce
5 11 (21.15%) Software Engineering
6 9 (17.31%) Line Management
7 8 (15.38%) Data Extraction
7 8 (15.38%) SDLC
7 8 (15.38%) Stakeholder Management
8 7 (13.46%) Business Intelligence
8 7 (13.46%) Matrix Organization
8 7 (13.46%) Virtual Team Management
9 5 (9.62%) Data Analytics
9 5 (9.62%) OO
9 5 (9.62%) TDD
9 5 (9.62%) Web Analytics
10 4 (7.69%) ETL
10 4 (7.69%) Parallel Programming
10 4 (7.69%) Statistics
Programming Languages
1 24 (46.15%) Java
2 18 (34.62%) Python
3 11 (21.15%) SQL
4 7 (13.46%) JavaScript
5 6 (11.54%) Ruby
6 5 (9.62%) Bash Shell
6 5 (9.62%) Perl
7 4 (7.69%) R
8 3 (5.77%) PHP
8 3 (5.77%) PowerShell
8 3 (5.77%) Scala
9 2 (3.85%) C
9 2 (3.85%) C#
9 2 (3.85%) C++
Qualifications
1 15 (28.85%) Degree
2 5 (9.62%) PhD
3 1 (1.92%) DV Cleared
3 1 (1.92%) Security Cleared
3 1 (1.92%) Sun Certification
Quality Assurance & Compliance
1 3 (5.77%) MiFID
2 2 (3.85%) QA
System Software
1 18 (34.62%) HDFS
2 5 (9.62%) Apache Flume
3 4 (7.69%) Apache ZooKeeper
4 3 (5.77%) Active Directory
Systems Management
1 10 (19.23%) Oozie
2 5 (9.62%) Puppet
3 3 (5.77%) Hadoop YARN
Vendors
1 4 (7.69%) Cloudera
2 3 (5.77%) Hortonworks
2 3 (5.77%) MapR
3 1 (1.92%) Ab Initio
3 1 (1.92%) Cognos
3 1 (1.92%) Informatica
3 1 (1.92%) Teradata
3 1 (1.92%) Twitter
City, London
ANSON MCCADE
Salary: £45,000 - £85,000 + extensive benefits package
Posted: 16 hours ago
City, London
Experis Ltd
Posted: 4 days ago
City of London
Computer Futures
Salary: competitive
Posted: 11 days ago
City, London
Premier Media
Posted: 6 days ago
City, London
Accenture
Salary: Competitive
Posted: 19 days ago