The following table provides summary statistics for contract job vacancies with a requirement for MapReduce skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited MapReduce over the 3 months to 24 March 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
MapReduce
UK
Rank 460 547 544
Rank change year-on-year +87 -3  
Contract jobs citing MapReduce 136 95 77
As % of all contract IT jobs advertised in the UK 0.30% 0.18% 0.15%
As % of the Processes & Methodologies category 0.36% 0.22% 0.18%
Number of daily rates quoted 85 61 61
Median daily rate £550 £550 £550
90% offered a daily rate of more than £425 £430 £425
10% offered a daily rate of more than £650 £650 £725
UK excluding London median daily rate £525 £450 £500
% change year-on-year +16.66% -10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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

Contract Process & Methodology Skills
UK
Contract job vacancies with a requirement for process and methodology skills 37647 43912 41983
As % of all contract IT job vacancies advertised in the UK 83.11% 82.85% 79.79%
Number of daily rates quoted 24815 28793 26009
Median daily rate £450 £425 £420
Median daily rate % change year-on-year +5.88% +1.19%  
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £410 £400 £400
% change year-on-year +2.50% -  
Number of hourly rates quoted 953 1109 1205
Median hourly rate £35.00 £37.50 £28.19
Median hourly rate % change year-on-year -6.66% +33.02%  
90% offered a hourly rate of more than £13.00 £13.00 £12.10
10% offered a hourly rate of more than £53.00 £55.00 £49.50
UK excluding London median hourly rate £36.00 £39.00 £30.00
% change year-on-year -7.69% +30.00%  

MapReduce
Job Vacancy Trend

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

Job vacancy trend for MapReduce in the UK

MapReduce
Contractor Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing MapReduce.

Contractor daily rate trend for MapReduce in the UK

MapReduce
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing MapReduce over the 3 months to 24 March 2017.

Contractor daily rate histogram for MapReduce in the UK

MapReduce
Top 30 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing MapReduce within the UK over the 3 months to 24 March 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
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +70 129 £550 - 29
London +53 95 £598 +8.63% 21
South East +34 21 £450 -21.73% 3
City of London +13 20 £650 +20.93% 8
Reading - 11 £475 - 1
Berkshire - 11 £475 - 1
Buckinghamshire -1 6 £394 -
Wales - 6 £575 -
South Wales - 6 £575 -
Newport - 5 £575 -
Milton Keynes -2 4 £394 -
Cramlington - 4 £550 -
Northumberland - 4 £550 -
Cardiff - 4 £550 -
North East - 4 £550 -
East Midlands -1 3 £531 +96.75%
Gloucestershire +8 2 - - 1
South West -1 2 - - 1
Yorkshire - 2 £475 -
Northampton - 2 £531 -
Leeds - 2 £475 -
West Yorkshire - 2 £475 -
Northamptonshire - 2 £531 -
West Sussex - 2 £425 -
Westminster - 2 - -
North West +25 1 £450 - 4
Surrey +10 1 £525 +31.25% 1
East of England - 1 £525 -
Cambridgeshire - 1 £525 -
Heathrow - 1 £425 -

MapReduce
Top 30 Related IT Skills

For the 6 months to 24 March 2017, IT contractor jobs citing MapReduce also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for MapReduce.

1 264 (84.62%) Hadoop
1 264 (84.62%) Big Data
2 236 (75.64%) Apache Spark
3 221 (70.83%) Apache Hive
4 191 (61.22%) Java
5 174 (55.77%) Python
6 139 (44.55%) HBase
7 127 (40.71%) NoSQL
8 118 (37.82%) Apache Pig
9 117 (37.50%) Scala
10 98 (31.41%) Finance
11 91 (29.17%) HDFS
12 86 (27.56%) MongoDB
13 85 (27.24%) Agile Software Development
14 81 (25.96%) Linux
15 79 (25.32%) SQL
16 77 (24.68%) ETL
17 75 (24.04%) Kafka
18 72 (23.08%) Hadoop YARN
19 71 (22.76%) R
20 67 (21.47%) Machine Learning
21 65 (20.83%) Sqoop
22 61 (19.55%) Open Source
22 61 (19.55%) Unix
22 61 (19.55%) Banking
23 57 (18.27%) Oozie
24 56 (17.95%) Apache
25 55 (17.63%) Analytics
26 54 (17.31%) Amazon AWS
26 54 (17.31%) Impala

MapReduce
Top Related 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
1 236 (75.64%) Apache Spark
2 118 (37.82%) Apache Pig
3 56 (17.95%) Apache
4 27 (8.65%) Apache Solr
5 23 (7.37%) Elasticsearch
6 20 (6.41%) SAS
7 19 (6.09%) Oracle Coherence
8 11 (3.53%) Confluence
9 8 (2.56%) Cloud Foundry
10 4 (1.28%) GemFire
10 4 (1.28%) Tomcat
11 2 (0.64%) Apache Airflow
11 2 (0.64%) JBoss
11 2 (0.64%) SharePoint
11 2 (0.64%) WebSphere
12 1 (0.32%) CMS
12 1 (0.32%) IIS
12 1 (0.32%) OpenStack
12 1 (0.32%) Oracle SOA Suite
12 1 (0.32%) SharePoint Server
Applications
1 6 (1.92%) SPSS
2 4 (1.28%) MS Excel
3 3 (0.96%) GNU Octave
4 2 (0.64%) Stata
5 1 (0.32%) MS Office
Business Applications
1 4 (1.28%) SAP Oil and Gas
2 2 (0.64%) SAP S/4HANA
3 1 (0.32%) Oracle BPM
3 1 (0.32%) SAP MDG
3 1 (0.32%) SAP MDM
Cloud Services
1 54 (17.31%) Amazon AWS
2 22 (7.05%) Microsoft Azure
3 21 (6.73%) Amazon EMR
4 13 (4.17%) Amazon EC2
4 13 (4.17%) Cloud Computing
5 11 (3.53%) Amazon S3
6 10 (3.21%) Google Cloud Platform
7 6 (1.92%) AWS Lambda
8 4 (1.28%) AWS Data Pipeline
9 3 (0.96%) Amazon Glacier
9 3 (0.96%) Amazon Kinesis
10 2 (0.64%) Azure Machine Learning
10 2 (0.64%) GitHub
11 1 (0.32%) Flurry Analytics
11 1 (0.32%) Google Analytics
11 1 (0.32%) PaaS
11 1 (0.32%) Virtual Private Cloud
Communications & Networking
1 23 (7.37%) Kerberos
2 3 (0.96%) LAN
2 3 (0.96%) WAN
3 2 (0.64%) LDAP
3 2 (0.64%) Network Security
4 1 (0.32%) HTTP
4 1 (0.32%) SSL
4 1 (0.32%) TCP/IP
Database & Business Intelligence
1 264 (84.62%) Big Data
1 264 (84.62%) Hadoop
2 221 (70.83%) Apache Hive
3 139 (44.55%) HBase
4 127 (40.71%) NoSQL
5 86 (27.56%) MongoDB
6 65 (20.83%) Sqoop
7 54 (17.31%) Impala
8 50 (16.03%) Apache Cassandra
9 43 (13.78%) Relational Database
10 31 (9.94%) Data Warehouse
11 28 (8.97%) SQL Server
12 21 (6.73%) Data Lake
13 19 (6.09%) MySQL
13 19 (6.09%) PostgreSQL
14 18 (5.77%) RDBMS
15 15 (4.81%) DB2
16 14 (4.49%) Couchbase
16 14 (4.49%) Neo4j
17 13 (4.17%) Riak
Development Applications
1 25 (8.01%) Jenkins
2 22 (7.05%) Git (software)
3 15 (4.81%) Talend Open Studio
4 14 (4.49%) JIRA
5 13 (4.17%) Gradle
6 12 (3.85%) Hudson
7 11 (3.53%) JUnit
8 10 (3.21%) Ant
8 10 (3.21%) Eclipse
9 9 (2.88%) Maven
10 8 (2.56%) Mockito
11 6 (1.92%) Subversion
12 2 (0.64%) Apache Continuum
12 2 (0.64%) Team Foundation Server
12 2 (0.64%) TeamCity
13 1 (0.32%) Artifactory
13 1 (0.32%) git-flow
13 1 (0.32%) IntelliJ
13 1 (0.32%) Oracle APEX
General
1 98 (31.41%) Finance
2 61 (19.55%) Banking
3 30 (9.62%) Investment Banking
4 24 (7.69%) Front Office
5 17 (5.45%) Marketing
6 13 (4.17%) Telecoms
7 8 (2.56%) Retail
8 4 (1.28%) Electronics
8 4 (1.28%) Manufacturing
9 1 (0.32%) Advertising
9 1 (0.32%) Billing
9 1 (0.32%) Corporate Banking
9 1 (0.32%) Financial Institution
9 1 (0.32%) Games
9 1 (0.32%) Legal
9 1 (0.32%) Pharmaceutical
9 1 (0.32%) Publishing
9 1 (0.32%) Retail Banking
Job Titles
1 97 (31.09%) Developer
2 57 (18.27%) Data Engineer
3 50 (16.03%) Architect
3 50 (16.03%) Java Developer
4 43 (13.78%) Big Data Engineer
5 41 (13.14%) Data Architect
6 36 (11.54%) Big Data Architect
7 34 (10.90%) Senior Developer
8 32 (10.26%) Hadoop Developer
9 28 (8.97%) Senior Java Developer
10 24 (7.69%) Big Data Developer
11 20 (6.41%) Administrator
11 20 (6.41%) Hadoop Architect
12 19 (6.09%) Hadoop Administrator
13 18 (5.77%) Data Scientist
14 17 (5.45%) Analyst
14 17 (5.45%) Consultant
15 16 (5.13%) Hadoop Engineer
15 16 (5.13%) Machine Learning Engineer
16 15 (4.81%) Scala Developer
Libraries, Frameworks & Software Standards
1 75 (24.04%) Kafka
2 43 (13.78%) Spring
3 34 (10.90%) Web Services
4 29 (9.29%) Hibernate
5 24 (7.69%) XML
6 21 (6.73%) JMS
7 18 (5.77%) Lucene
7 18 (5.77%) REST
8 17 (5.45%) Java EE
9 14 (4.49%) Cascading
10 13 (4.17%) CSS
10 13 (4.17%) HTML
11 10 (3.21%) .NET
11 10 (3.21%) EJB
11 10 (3.21%) JSON
11 10 (3.21%) XSLT
12 9 (2.88%) Apache Tez
12 9 (2.88%) Spark Streaming
13 7 (2.24%) Akka
14 6 (1.92%) AngularJS
Miscellaneous
1 39 (12.50%) Algorithms
2 36 (11.54%) Analytical Skills
3 18 (5.77%) Computer Science
4 10 (3.21%) Data Centre
5 4 (1.28%) Client/Server
5 4 (1.28%) Data Structures
5 4 (1.28%) Replication
6 3 (0.96%) Clustering
6 3 (0.96%) Cyber Defence
6 3 (0.96%) Grid Computing
6 3 (0.96%) User Experience
6 3 (0.96%) Wiki
7 2 (0.64%) Cyberthreat
7 2 (0.64%) Distributed Denial-of-Service
7 2 (0.64%) Fintech
7 2 (0.64%) Foreign Exchange (FX)
7 2 (0.64%) Linux Command Line
7 2 (0.64%) Mainframe
7 2 (0.64%) Reference Data
7 2 (0.64%) Social Media
Operating Systems
1 81 (25.96%) Linux
2 61 (19.55%) Unix
3 16 (5.13%) Red Hat Enterprise Linux
4 14 (4.49%) Windows
5 4 (1.28%) CentOS
Processes & Methodologies
1 85 (27.24%) Agile Software Development
2 77 (24.68%) ETL
3 67 (21.47%) Machine Learning
4 61 (19.55%) Open Source
5 55 (17.63%) Analytics
6 53 (16.99%) Business Intelligence
7 36 (11.54%) TDD
8 32 (10.26%) Continuous Integration
9 28 (8.97%) High Availability
10 25 (8.01%) Data Modelling
10 25 (8.01%) DevOps
11 23 (7.37%) Software Engineering
12 21 (6.73%) Scrum
13 20 (6.41%) Performance Tuning
14 18 (5.77%) Data Engineering
14 18 (5.77%) Low Latency
14 18 (5.77%) Multithreading
14 18 (5.77%) Reverse Engineering
15 17 (5.45%) Data Analysis
15 17 (5.45%) Statistics
Programming Languages
1 191 (61.22%) Java
2 174 (55.77%) Python
3 117 (37.50%) Scala
4 79 (25.32%) SQL
5 71 (22.76%) R
6 49 (15.71%) Perl
7 26 (8.33%) Bash Shell
8 21 (6.73%) Shell Script
9 17 (5.45%) C++
10 14 (4.49%) C#
11 10 (3.21%) C
11 10 (3.21%) JavaScript
11 10 (3.21%) MATLAB
11 10 (3.21%) VB.NET
12 9 (2.88%) PHP
13 2 (0.64%) Ruby
14 1 (0.32%) PL/SQL
14 1 (0.32%) T-SQL
Qualifications
1 21 (6.73%) Degree
2 11 (3.53%) Security Cleared
3 9 (2.88%) DV Cleared
3 9 (2.88%) PhD
4 3 (0.96%) BPSS Clearance
5 2 (0.64%) CISA
5 2 (0.64%) CISM
5 2 (0.64%) CISSP
6 1 (0.32%) PMI Certification
6 1 (0.32%) PMP
6 1 (0.32%) SC Cleared
Quality Assurance & Compliance
1 12 (3.85%) QA
2 6 (1.92%) Data Quality
3 3 (0.96%) SLA
4 2 (0.64%) FedRAMP
4 2 (0.64%) PCI DSS
System Software
1 91 (29.17%) HDFS
2 33 (10.58%) Apache Flume
3 17 (5.45%) Apache ZooKeeper
4 7 (2.24%) Docker
5 6 (1.92%) Active Directory
6 4 (1.28%) Oracle RAC
7 1 (0.32%) Cronacle
7 1 (0.32%) Virtual Machines
Systems Management
1 72 (23.08%) Hadoop YARN
2 57 (18.27%) Oozie
3 27 (8.65%) Opscode Chef
4 20 (6.41%) Ambari
4 20 (6.41%) Puppet
5 12 (3.85%) Nagios
6 9 (2.88%) Ansible
7 2 (0.64%) Kibana
7 2 (0.64%) logstash
8 1 (0.32%) Salt
8 1 (0.32%) Terraform
Vendors
1 49 (15.71%) Hortonworks
2 44 (14.10%) Oracle
3 40 (12.82%) Cloudera
4 23 (7.37%) Ab Initio
5 21 (6.73%) Red Hat
5 21 (6.73%) Tableau
6 19 (6.09%) MicroStrategy
7 18 (5.77%) Teradata
8 15 (4.81%) SAP
8 15 (4.81%) Talend
9 13 (4.17%) Informatica
10 11 (3.53%) Google
11 10 (3.21%) Microsoft
12 7 (2.24%) MapR
13 6 (1.92%) SaltStack
14 3 (0.96%) Cisco
14 3 (0.96%) Cognos
14 3 (0.96%) IBM
15 2 (0.64%) GoldenSource
15 2 (0.64%) Netezza
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