Period
to 19 October 2017

The following table provides summary statistics for permanent job vacancies 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 19 October 2017 with a comparison to the same period in the previous 2 years.

MapReduce
UK
6 months to
19 Oct 2017
Same period 2016 Same period 2015
Rank 843 792 809
Rank change year-on-year -51 +17 +23
Permanent jobs citing MapReduce 337 473 539
As % of all permanent IT jobs advertised in the UK 0.19% 0.25% 0.25%
As % of the Processes & Methodologies category 0.21% 0.28% 0.28%
Number of salaries quoted 249 365 418
UK median annual salary £65,000 £65,000 £67,500
Median salary % change year-on-year - -3.70% -3.57%
10th Percentile £33,750 £43,750 £42,350
90th Percentile £106,300 £95,750 £92,500
UK excluding London median annual salary £47,500 £54,000 £55,000
% change year-on-year -12.04% -1.82% -24.14%

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 with a requirement for process or methodology skills.

All Process and Methodology Skills
UK
Permanent vacancies with a requirement for process or methodology skills 157069 170641 194298
As % of all permanent IT jobs advertised in the UK 89.96% 89.19% 88.57%
Number of salaries quoted 123633 141993 159740
UK median annual salary £50,000 £49,500 £47,500
Median salary % change year-on-year +1.01% +4.21% +5.56%
10th Percentile £28,750 £28,000 £27,500
90th Percentile £80,000 £78,750 £76,250
UK excluding London median annual salary £43,250 £42,500 £42,500
% change year-on-year +1.76% - +6.25%

MapReduce
Job Vacancy Trend

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

Job vacancy trend for MapReduce in the UK

MapReduce
Salary Trend

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

Salary trend for MapReduce in the UK

MapReduce
Salary Histogram

The salary distribution of IT jobs citing MapReduce over the 6 months to 19 October 2017.

Salary histogram for MapReduce in the UK

MapReduce
Top 14 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing MapReduce within the UK over the 6 months to 19 October 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
England -89 322 £67,500 +3.85% 39
London -84 204 £70,000 -6.67% 29
UK excluding London +37 130 £47,500 -12.04% 11
South East +44 58 £57,500 -4.17% 6
North of England +10 29 £40,000 -20.00% 3
North West +11 28 £40,000 -20.00% 3
East of England +24 20 £86,000 +29.81%
Midlands +30 10 £47,500 -13.64%
Wales +24 7 £35,000 -22.22%
West Midlands +5 7 £47,500 -13.64%
Scotland -12 5 £49,500 +23.75% 2
East Midlands +34 3 £51,500 -1.90%
Yorkshire +23 1 - -
South West -7 1 £50,000 -37.50%

For the 6 months to 19 October 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 with a requirement for MapReduce.

1 316 (93.77%) Hadoop
2 296 (87.83%) Big Data
3 246 (73.00%) Apache Spark
4 219 (64.99%) Java
5 180 (53.41%) Agile Software Development
5 180 (53.41%) Apache Hive
6 175 (51.93%) Python
7 160 (47.48%) Analytics
8 155 (45.99%) SQL
9 135 (40.06%) HBase
10 134 (39.76%) NoSQL
11 108 (32.05%) Scala
11 108 (32.05%) Apache Pig
12 106 (31.45%) HDFS
13 103 (30.56%) Amazon AWS
14 82 (24.33%) Apache Flume
15 76 (22.55%) Apache Cassandra
15 76 (22.55%) Finance
16 75 (22.26%) Web Services
16 75 (22.26%) Linux
17 71 (21.07%) MongoDB
18 70 (20.77%) Relational Database
19 69 (20.47%) R
20 67 (19.88%) Kafka
21 65 (19.29%) Continuous Integration
22 64 (18.99%) Business Intelligence
22 64 (18.99%) Open Source
23 63 (18.69%) ETL
23 63 (18.69%) Apache
24 62 (18.40%) Sqoop

MapReduce
Co-occurring IT Skills 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
1 246 (73.00%) Apache Spark
2 108 (32.05%) Apache Pig
3 63 (18.69%) Apache
4 46 (13.65%) SAS
5 25 (7.42%) Apache Solr
6 16 (4.75%) Elasticsearch
7 10 (2.97%) Apache Airflow
8 9 (2.67%) Tomcat
9 5 (1.48%) ArcGIS
10 4 (1.19%) JBoss
10 4 (1.19%) WebLogic
11 2 (0.59%) Confluence
11 2 (0.59%) WebSphere
12 1 (0.30%) OpenStack
Applications
1 8 (2.37%) SPSS
2 4 (1.19%) Microsoft Excel
Cloud Services
1 103 (30.56%) Amazon AWS
2 43 (12.76%) Amazon EMR
3 38 (11.28%) Microsoft Azure
4 10 (2.97%) Amazon EC2
4 10 (2.97%) Google Cloud Platform
5 8 (2.37%) AWS CloudFormation
6 7 (2.08%) Amazon CloudWatch
6 7 (2.08%) Cloud Computing
7 6 (1.78%) PaaS
8 5 (1.48%) Amazon S3
9 4 (1.19%) Amazon Kinesis
9 4 (1.19%) GitHub
9 4 (1.19%) IaaS
9 4 (1.19%) SaaS
10 3 (0.89%) Amazon SQS
10 3 (0.89%) AWS Lambda
10 3 (0.89%) Azure Machine Learning
10 3 (0.89%) CloudFront
10 3 (0.89%) Route 53
10 3 (0.89%) Serverless
Communications & Networking
1 8 (2.37%) HTTP
2 4 (1.19%) Kerberos
2 4 (1.19%) LDAP
3 2 (0.59%) SSL
3 2 (0.59%) VPN
4 1 (0.30%) DNS
4 1 (0.30%) Firewall
4 1 (0.30%) Internet
4 1 (0.30%) Network Security
4 1 (0.30%) Software-Defined Networking
Database & Business Intelligence
1 316 (93.77%) Hadoop
2 296 (87.83%) Big Data
3 180 (53.41%) Apache Hive
4 135 (40.06%) HBase
5 134 (39.76%) NoSQL
6 76 (22.55%) Apache Cassandra
7 71 (21.07%) MongoDB
8 70 (20.77%) Relational Database
9 62 (18.40%) Sqoop
10 55 (16.32%) Impala
11 41 (12.17%) RDBMS
12 37 (10.98%) SQL Server
13 29 (8.61%) Amazon Redshift
14 27 (8.01%) SQL Server Integration Services
15 23 (6.82%) Data Warehouse
16 22 (6.53%) Amazon DynamoDB
17 21 (6.23%) MySQL
18 19 (5.64%) Data Mining
18 19 (5.64%) QlikView
19 18 (5.34%) Pentaho
Development Applications
1 32 (9.50%) Jenkins
2 25 (7.42%) Git (software)
3 23 (6.82%) Subversion
4 19 (5.64%) SQL Server Management Studio (SSMS)
5 18 (5.34%) RStudio
5 18 (5.34%) Selenium
6 17 (5.04%) Atlassian Bamboo
6 17 (5.04%) Maven
7 14 (4.15%) JIRA
8 10 (2.97%) Talend Open Studio
9 7 (2.08%) Bitbucket
9 7 (2.08%) Eclipse
10 6 (1.78%) Gerrit
10 6 (1.78%) Grunt
10 6 (1.78%) Jasmine
11 5 (1.48%) Travis CI
12 4 (1.19%) JIRA Agile
13 2 (0.59%) Artifactory
13 2 (0.59%) Gradle
13 2 (0.59%) Mercurial
General
1 76 (22.55%) Finance
2 18 (5.34%) Banking
3 14 (4.15%) Retail
4 13 (3.86%) Games
5 8 (2.37%) Marketing
6 3 (0.89%) Advertising
6 3 (0.89%) Front Office
6 3 (0.89%) Investment Banking
6 3 (0.89%) Legal
6 3 (0.89%) Telecoms
7 2 (0.59%) Electronics
8 1 (0.30%) Aerospace
8 1 (0.30%) Automotive
8 1 (0.30%) Corporate Banking
8 1 (0.30%) Digital Economy
8 1 (0.30%) Financial Institution
8 1 (0.30%) Law
8 1 (0.30%) Retail Banking
8 1 (0.30%) Spanish Language
Job Titles
1 105 (31.16%) Developer
2 61 (18.10%) Data Engineer
3 56 (16.62%) Java Developer
4 40 (11.87%) Big Data Engineer
5 39 (11.57%) Big Data Developer
6 37 (10.98%) Architect
7 34 (10.09%) Data Architect
7 34 (10.09%) Data Scientist
8 31 (9.20%) Big Data Architect
9 26 (7.72%) Hadoop Engineer
10 20 (5.93%) Data Manager
10 20 (5.93%) Java Scala Developer
10 20 (5.93%) Scala Developer
11 17 (5.04%) Junior
11 17 (5.04%) Junior Developer
11 17 (5.04%) Junior Java Developer
12 16 (4.75%) Software Engineer
13 15 (4.45%) Apache Spark Developer
13 15 (4.45%) Hadoop Developer
14 14 (4.15%) Senior Developer
Libraries, Frameworks & Software Standards
1 75 (22.26%) Web Services
2 67 (19.88%) Kafka
3 41 (12.17%) Spring
4 26 (7.72%) .NET
5 21 (6.23%) J2EE
6 17 (5.04%) AngularJS
7 13 (3.86%) HTML
8 11 (3.26%) XML
9 10 (2.97%) Apache Avro
9 10 (2.97%) MLlib
9 10 (2.97%) Spark Streaming
10 9 (2.67%) Apache Flex
10 9 (2.67%) CSS
10 9 (2.67%) NumPy
10 9 (2.67%) REST
11 8 (2.37%) D3.js
11 8 (2.37%) JSON
11 8 (2.37%) Spring MVC
12 7 (2.08%) RabbitMQ
12 7 (2.08%) SciPy
Miscellaneous
1 48 (14.24%) Analytical Skills
1 48 (14.24%) Data Structures
2 30 (8.90%) Algorithms
3 28 (8.31%) Greenfield Project
4 26 (7.72%) Computer Science
5 12 (3.56%) Fintech
6 7 (2.08%) Foreign Exchange (FX)
7 6 (1.78%) Cyberthreat
7 6 (1.78%) Hybrid Cloud
7 6 (1.78%) Public Cloud
7 6 (1.78%) Virtual Team
8 5 (1.48%) PKI
8 5 (1.48%) Taxonomies
9 3 (0.89%) Client/Server
10 1 (0.30%) Blog
10 1 (0.30%) Credit Risk
10 1 (0.30%) Hedge funds
10 1 (0.30%) Online Games
10 1 (0.30%) Private Cloud
10 1 (0.30%) Robotics
Operating Systems
1 75 (22.26%) Linux
2 20 (5.93%) Unix
3 7 (2.08%) Windows
4 4 (1.19%) Mac OS X
5 2 (0.59%) Solaris
5 2 (0.59%) Ubuntu
6 1 (0.30%) Mesosphere
Processes & Methodologies
1 180 (53.41%) Agile Software Development
2 160 (47.48%) Analytics
3 65 (19.29%) Continuous Integration
4 64 (18.99%) Business Intelligence
4 64 (18.99%) Open Source
5 63 (18.69%) ETL
6 53 (15.73%) Machine Learning
7 46 (13.65%) Data Analytics
8 45 (13.35%) Test Automation
9 43 (12.76%) Software Engineering
10 41 (12.17%) Data Architecture
11 36 (10.68%) OO
12 35 (10.39%) Data Management
12 35 (10.39%) TDD
12 35 (10.39%) Visualisation
13 34 (10.09%) DevOps
14 32 (9.50%) Scrum
15 31 (9.20%) Big Data Analytics
16 30 (8.90%) Data Modelling
17 25 (7.42%) Use Case
Programming Languages
1 219 (64.99%) Java
2 175 (51.93%) Python
3 155 (45.99%) SQL
4 108 (32.05%) Scala
5 69 (20.47%) R
6 43 (12.76%) C#
7 31 (9.20%) JavaScript
8 30 (8.90%) C
9 20 (5.93%) Clojure
9 20 (5.93%) Haskell
10 19 (5.64%) Bash Shell
10 19 (5.64%) Shell Script
10 19 (5.64%) T-SQL
11 12 (3.56%) C++
12 11 (3.26%) Perl
13 10 (2.97%) PHP
14 8 (2.37%) HiveQL
15 5 (1.48%) Ruby
16 2 (0.59%) Go
16 2 (0.59%) PowerShell
Qualifications
1 52 (15.43%) Degree
2 31 (9.20%) Security Cleared
3 30 (8.90%) DV Cleared
4 20 (5.93%) SC Cleared
5 15 (4.45%) Master's Degree
6 13 (3.86%) Computer Science Degree
7 11 (3.26%) PhD
8 3 (0.89%) Numerate Degree
Quality Assurance & Compliance
1 17 (5.04%) Data Quality
2 8 (2.37%) QA
3 5 (1.48%) GDPR
4 2 (0.59%) GCP
5 1 (0.30%) Actionable Recommendations
System Software
1 106 (31.45%) HDFS
2 82 (24.33%) Apache Flume
3 11 (3.26%) Docker
4 8 (2.37%) Apache ZooKeeper
5 2 (0.59%) Active Directory
6 1 (0.30%) Cronacle
6 1 (0.30%) MapR-FS
Systems Management
1 38 (11.28%) Oozie
2 19 (5.64%) Hadoop YARN
3 10 (2.97%) Puppet
4 8 (2.37%) Opscode Chef
5 6 (1.78%) Nagios
6 5 (1.48%) Kibana
7 4 (1.19%) Ambari
7 4 (1.19%) Ansible
8 3 (0.89%) Marathon
9 2 (0.59%) Control-M
9 2 (0.59%) Kubernetes
10 1 (0.30%) BladeLogic
10 1 (0.30%) Docker Swarm
10 1 (0.30%) Salt
10 1 (0.30%) Terraform
10 1 (0.30%) yum
Vendors
1 61 (18.10%) Cloudera
2 33 (9.79%) Tableau
3 28 (8.31%) Hortonworks
4 15 (4.45%) MapR
4 15 (4.45%) Oracle
5 13 (3.86%) Splunk
5 13 (3.86%) TIBCO
6 12 (3.56%) Google
6 12 (3.56%) Microsoft
7 11 (3.26%) Teradata
8 10 (2.97%) Talend
9 6 (1.78%) SAP
9 6 (1.78%) Vertica
10 5 (1.48%) Informatica
11 4 (1.19%) Netezza
12 3 (0.89%) Greenplum
13 2 (0.59%) Cognos
13 2 (0.59%) Facebook
13 2 (0.59%) MicroStrategy
13 2 (0.59%) Twitter