Period
to 20 November 2017

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Riak skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Riak over the 6 months to 20 November 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.

Riak
England > London
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 612 593 594
Rank change year-on-year -19 +1 -30
Contract jobs citing Riak 20 23 24
As % of all contract IT jobs advertised in London 0.043% 0.052% 0.051%
As % of the Database & Business Intelligence category 0.18% 0.22% 0.21%
Number of daily rates quoted 7 19 19
London median daily rate £563 £500 £463
Median daily rate % change year-on-year +12.50% +8.11% -11.90%
10th Percentile £550 £425 £375
90th Percentile £603 £620 £478
England median daily rate £550 £475 £463
% change year-on-year +15.79% +2.70% -11.90%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate - - -

Riak is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
London
Contract vacancies with a requirement for database or business intelligence skills 11104 10369 11299
As % of all contract IT jobs advertised in London 23.79% 23.26% 24.09%
Number of daily rates quoted 8243 7363 8059
London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +5.88%
10th Percentile £353 £322 £305
90th Percentile £662 £638 £625
England median daily rate £460 £425 £413
% change year-on-year +8.24% +3.03% +3.13%
Number of hourly rates quoted 59 38 78
London median hourly rate £26.61 £30.94 £22.50
Median hourly rate % change year-on-year -14.01% +37.51% -18.18%
10th Percentile £18.20 £15.25 £14.93
90th Percentile £58.75 £86.23 £86.00
England median hourly rate £31.50 £28.00 £27.89
% change year-on-year +12.50% +0.39% +15.01%

Riak
Job Vacancy Trend in London

Job postings citing Riak as a percentage of all IT jobs advertised in London.

Job vacancy trend for Riak in London

Riak
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Riak in London

Riak
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Riak within the London region over the 6 months to 20 November 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
East London +2 9 £600 +4.35%
Riak
England

For the 6 months to 20 November 2017, IT contractor jobs citing Riak also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for Riak.

1 16 (80.00%) Kafka
2 15 (75.00%) Amazon AWS
3 14 (70.00%) Python
4 13 (65.00%) Data Warehouse
4 13 (65.00%) Unix
4 13 (65.00%) Linux
4 13 (65.00%) Java
4 13 (65.00%) Hadoop
4 13 (65.00%) Continuous Integration
4 13 (65.00%) Big Data
4 13 (65.00%) MongoDB
4 13 (65.00%) Apache Cassandra
4 13 (65.00%) NoSQL
4 13 (65.00%) Apache Spark
5 12 (60.00%) Relational Database
5 12 (60.00%) Algorithms
5 12 (60.00%) Machine Learning
5 12 (60.00%) Apache Solr
5 12 (60.00%) Scala
5 12 (60.00%) SQL
5 12 (60.00%) ETL
6 11 (55.00%) Scrum
6 11 (55.00%) JavaScript
6 11 (55.00%) C#
7 10 (50.00%) JMS
7 10 (50.00%) Perl
7 10 (50.00%) Hibernate
7 10 (50.00%) Apache Hive
7 10 (50.00%) Open Source
7 10 (50.00%) Bash Shell

Riak
Co-occurring IT Skills in 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 13 (65.00%) Apache Spark
2 12 (60.00%) Apache Solr
3 10 (50.00%) Apache Pig
4 3 (15.00%) Apache
4 3 (15.00%) Elasticsearch
5 1 (5.00%) CloudStack
5 1 (5.00%) nginx
Cloud Services
1 15 (75.00%) Amazon AWS
2 9 (45.00%) Amazon EC2
2 9 (45.00%) Microsoft Azure
3 3 (15.00%) Amazon EMR
3 3 (15.00%) Amazon Kinesis
3 3 (15.00%) Amazon S3
3 3 (15.00%) GitHub
3 3 (15.00%) Google Cloud Platform
Database & Business Intelligence
1 13 (65.00%) Apache Cassandra
1 13 (65.00%) Big Data
1 13 (65.00%) Data Warehouse
1 13 (65.00%) Hadoop
1 13 (65.00%) MongoDB
1 13 (65.00%) NoSQL
2 12 (60.00%) Relational Database
3 10 (50.00%) Apache Hive
3 10 (50.00%) Impala
3 10 (50.00%) MarkLogic
4 9 (45.00%) Data Mining
5 8 (40.00%) Blockchain
6 6 (30.00%) Redis
7 3 (15.00%) Amazon DynamoDB
7 3 (15.00%) Bigtable
7 3 (15.00%) MySQL
7 3 (15.00%) Neo4j
7 3 (15.00%) RDBMS
8 2 (10.00%) SQL Server
Development Applications
1 3 (15.00%) Jenkins
2 2 (10.00%) TeamCity
3 1 (5.00%) Git (software)
General
1 9 (45.00%) Finance
2 8 (40.00%) Games
Job Titles
1 15 (75.00%) Developer
2 12 (60.00%) Big Data Developer
3 4 (20.00%) Java Developer
4 3 (15.00%) Apache Spark Developer
4 3 (15.00%) Hadoop Developer
4 3 (15.00%) Java Hadoop Developer
4 3 (15.00%) Java Scala Developer
4 3 (15.00%) Scala Developer
4 3 (15.00%) Systems Engineer
5 2 (10.00%) .NET Developer
5 2 (10.00%) DevOps Engineer
5 2 (10.00%) DevOps Systems Engineer
5 2 (10.00%) Operations Engineer
5 2 (10.00%) Python Developer
6 1 (5.00%) Consultant
6 1 (5.00%) Java Engineer
6 1 (5.00%) SAP Consultant
6 1 (5.00%) Senior Developer
6 1 (5.00%) Senior Java Developer
6 1 (5.00%) Unix Engineer
Libraries, Frameworks & Software Standards
1 16 (80.00%) Kafka
2 10 (50.00%) Hibernate
2 10 (50.00%) JMS
2 10 (50.00%) Lucene
2 10 (50.00%) Spring
3 9 (45.00%) Natural Language Processing
4 8 (40.00%) Play Framework
5 5 (25.00%) RabbitMQ
6 3 (15.00%) Samza
6 3 (15.00%) Web Services
7 2 (10.00%) .NET
7 2 (10.00%) AngularJS
7 2 (10.00%) ASP.NET
7 2 (10.00%) ASP.NET Core
7 2 (10.00%) Node.js
7 2 (10.00%) React
8 1 (5.00%) Flask
8 1 (5.00%) RAML
8 1 (5.00%) RESTful
8 1 (5.00%) Swagger
Miscellaneous
1 12 (60.00%) Algorithms
2 10 (50.00%) Analytical Skills
3 9 (45.00%) Replication
4 8 (40.00%) Fintech
5 3 (15.00%) Data Centre
Operating Systems
1 13 (65.00%) Linux
1 13 (65.00%) Unix
2 10 (50.00%) CentOS
3 9 (45.00%) Red Hat Enterprise Linux
4 1 (5.00%) CoreOS
4 1 (5.00%) Ubuntu
Processes & Methodologies
1 13 (65.00%) Continuous Integration
2 12 (60.00%) ETL
2 12 (60.00%) Machine Learning
3 11 (55.00%) Scrum
4 10 (50.00%) Data Analysis
4 10 (50.00%) MapReduce
4 10 (50.00%) Open Source
4 10 (50.00%) Statistical Modelling
5 9 (45.00%) Data Visualisation
5 9 (45.00%) Information Retrieval
5 9 (45.00%) Mathematical Modelling
5 9 (45.00%) Mathematics
5 9 (45.00%) Visualisation
6 8 (40.00%) Disruptive Innovation
6 8 (40.00%) Software Engineering
7 7 (35.00%) DevOps
8 6 (30.00%) Agile Software Development
9 5 (25.00%) TDD
10 3 (15.00%) Configuration Management
10 3 (15.00%) Kanban
Programming Languages
1 14 (70.00%) Python
2 13 (65.00%) Java
3 12 (60.00%) Scala
3 12 (60.00%) SQL
4 11 (55.00%) C#
4 11 (55.00%) JavaScript
5 10 (50.00%) Bash Shell
5 10 (50.00%) Perl
5 10 (50.00%) R
6 3 (15.00%) Clojure
6 3 (15.00%) Groovy
7 1 (5.00%) Go
System Software
1 4 (20.00%) Docker
Systems Management
1 10 (50.00%) Hadoop YARN
2 6 (30.00%) Ansible
3 4 (20.00%) Terraform
4 3 (15.00%) Nagios
4 3 (15.00%) Opscode Chef
4 3 (15.00%) Puppet
5 1 (5.00%) Kubernetes
Vendors
1 3 (15.00%) Cloudera
1 3 (15.00%) Hortonworks
1 3 (15.00%) New Relic
1 3 (15.00%) Oracle
1 3 (15.00%) SaltStack
1 3 (15.00%) VMware
2 2 (10.00%) Microsoft
3 1 (5.00%) SAP