Period
to 6 April 2020

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Hadoop YARN skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Hadoop YARN over the 6 months to 6 April 2020 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.

Apache Hadoop YARN (MapReduce 2.0)
Central London > City of London
6 months to
6 Apr 2020
Same period 2019 Same period 2018
Rank 172 234 239
Rank change year-on-year +62 +5 -26
Contract jobs citing Hadoop YARN 9 16 14
As % of all contract jobs advertised in the City of London 0.22% 0.23% 0.20%
As % of the Systems Management category 1.44% 1.27% 1.57%
Number of daily rates quoted 7 15 13
Median daily rate £675 £675 £550
Median daily rate % change year-on-year - +22.84% -5.26%
10th Percentile £543 £563 £467
90th Percentile £700 £865 £710
Central London median daily rate £675 £675 £531
% change year-on-year - +27.12% -10.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
Central London median hourly rate - - -

Hadoop YARN is in the Systems Management category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for systems management skills.

All Systems Management Skills
City of London
Contract vacancies with a requirement for systems management skills 625 1,259 891
As % of all contract IT jobs advertised in the City of London 14.94% 18.44% 12.54%
Number of daily rates quoted 469 972 717
Median daily rate £535 £550 £513
Median daily rate % change year-on-year -2.73% +7.32% +2.50%
10th Percentile £350 £313 £350
90th Percentile £675 £675 £652
Central London median daily rate £525 £550 £513
% change year-on-year -4.55% +7.32% +2.50%
Number of hourly rates quoted 12 24 18
Median hourly rate £16.07 £19.35 £19.50
Median hourly rate % change year-on-year -16.95% -0.77% -15.83%
10th Percentile £12.42 £15.04 £11.81
90th Percentile £35.00 £23.57 £67.50
Median hourly rate £18.70 £20.50 £21.75
% change year-on-year -8.78% -5.75% -9.38%

Hadoop YARN
Job Vacancy Trend in the City of London

Job postings citing Hadoop YARN as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Hadoop YARN in the City of London

Hadoop YARN
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing Hadoop YARN in the City of London.

Daily rate trend for Hadoop YARN in the City of London

Hadoop YARN
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Hadoop YARN in the City of London over the 6 months to 6 April 2020.

Daily rate histogram for Hadoop YARN in the City of London

For the 6 months to 6 April 2020, IT contractor jobs citing Hadoop YARN also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for Hadoop YARN.

1 9 (100.00%) Apache Spark
2 7 (77.78%) Python
2 7 (77.78%) TDD
2 7 (77.78%) Hadoop
2 7 (77.78%) HBase
2 7 (77.78%) HDFS
3 6 (66.67%) Agile Software Development
3 6 (66.67%) Scala
4 5 (55.56%) Kafka
5 4 (44.44%) Travis CI
5 4 (44.44%) Linux Command Line
5 4 (44.44%) PySpark
5 4 (44.44%) Functional Programming
5 4 (44.44%) Performance Optimisation
5 4 (44.44%) DevOps
5 4 (44.44%) R
5 4 (44.44%) Performance Tuning
5 4 (44.44%) Jenkins
5 4 (44.44%) Spring
5 4 (44.44%) Retail Banking
5 4 (44.44%) JIRA
5 4 (44.44%) Computer Science
5 4 (44.44%) Performance Testing
5 4 (44.44%) Finance
5 4 (44.44%) Java
5 4 (44.44%) SQL
5 4 (44.44%) Unix
5 4 (44.44%) OOP
6 3 (33.33%) Google
6 3 (33.33%) Impala

Hadoop YARN
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 9 (100.00%) Apache Spark
Cloud Services
1 3 (33.33%) GCP
Database & Business Intelligence
1 7 (77.78%) Hadoop
1 7 (77.78%) HBase
2 3 (33.33%) Apache Hive
2 3 (33.33%) Impala
3 2 (22.22%) Big Data
3 2 (22.22%) Sqoop
Development Applications
1 4 (44.44%) Jenkins
1 4 (44.44%) JIRA
1 4 (44.44%) Travis CI
General
1 4 (44.44%) Finance
1 4 (44.44%) Retail Banking
Job Titles
1 5 (55.56%) Data Engineer
2 4 (44.44%) Developer
2 4 (44.44%) Hadoop Developer
2 4 (44.44%) Java Developer
2 4 (44.44%) Java Hadoop Developer
3 2 (22.22%) Big Data Engineer
Libraries, Frameworks & Software Standards
1 5 (55.56%) Kafka
2 4 (44.44%) PySpark
2 4 (44.44%) Spring
3 3 (33.33%) Spark Streaming
4 2 (22.22%) Akka
4 2 (22.22%) JSON
Miscellaneous
1 4 (44.44%) Linux Command Line
2 2 (22.22%) Life Science
2 2 (22.22%) Semantic Web
Operating Systems
1 4 (44.44%) Unix
Processes & Methodologies
1 7 (77.78%) TDD
2 6 (66.67%) Agile Software Development
3 4 (44.44%) Computer Science
3 4 (44.44%) DevOps
3 4 (44.44%) Functional Programming
3 4 (44.44%) OOP
3 4 (44.44%) Performance Optimisation
3 4 (44.44%) Performance Testing
3 4 (44.44%) Performance Tuning
4 3 (33.33%) BDD
5 2 (22.22%) Machine Learning
5 2 (22.22%) Microservices
Programming Languages
1 7 (77.78%) Python
2 6 (66.67%) Scala
3 4 (44.44%) Java
3 4 (44.44%) R
3 4 (44.44%) SQL
System Software
1 7 (77.78%) HDFS
Systems Management
1 2 (22.22%) Oozie
Vendors
1 3 (33.33%) Google