The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Kafka skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Kafka 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
Apache Kafka
London / City of London
Rank 119 137 183
Rank change year-on-year +18 +46  
Contract jobs citing Kafka 34 21 6
As % of all contract IT jobs advertised in the City of London 1.12% 0.64% 0.12%
As % of the Libraries, Frameworks & Software Standards category 3.20% 1.95% 0.39%
Number of daily rates quoted 27 19 5
Median daily rate £500 £550 £600
Median daily rate % change year-on-year -9.09% -8.33%  
90% offered a daily rate of more than £468 £375 £420
10% offered a daily rate of more than £625 £625 £630
UK excluding London median daily rate £400 £400 £550
% change year-on-year - -27.27%  
Number of hourly rates quoted 0 0 1
Median hourly rate - - £92.50
UK excluding London median hourly rate - - -

Kafka is in the industry standards, technical specifications and software library and framework skills category. The next 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 industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
City of London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 1061 1077 1519
As % of all contract IT job vacancies advertised in the City of London 34.99% 32.70% 30.09%
Number of daily rates quoted 878 908 1213
Median daily rate £475 £463 £425
Median daily rate % change year-on-year +2.70% +8.82%  
90% offered a daily rate of more than £338 £325 £315
10% offered a daily rate of more than £625 £600 £578
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 2 5 7
Median hourly rate £35.00 £55.00 £27.37
Median hourly rate % change year-on-year -36.36% +100.94%  
UK excluding London median hourly rate £40.00 £38.00 £36.00
% change year-on-year +5.26% +5.55%  

Kafka
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Kafka as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for Kafka in the City of London

Kafka
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Kafka in the City of London

Kafka
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Kafka in the City of London over the 3 months to 24 March 2017.

Contractor daily rate histogram for Kafka in the City of London

Kafka
Top 30 Related IT Skills in the City of London

For the 6 months to 24 March 2017, IT contractor jobs citing Kafka 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 City of London region with a requirement for Kafka.

1 54 (60.67%) Agile Software Development
2 51 (57.30%) Python
3 50 (56.18%) Java
4 49 (55.06%) Hadoop
5 44 (49.44%) Scala
6 42 (47.19%) Big Data
7 37 (41.57%) Apache Spark
8 35 (39.33%) Apache Hive
9 33 (37.08%) TDD
10 32 (35.96%) BDD
10 32 (35.96%) Docker
11 28 (31.46%) Amazon AWS
12 26 (29.21%) DevOps
13 25 (28.09%) Apache Cassandra
14 23 (25.84%) Git (software)
15 21 (23.60%) Akka
15 21 (23.60%) Linux
16 18 (20.22%) JavaScript
16 18 (20.22%) Finance
16 18 (20.22%) Jenkins
16 18 (20.22%) Continuous Integration
16 18 (20.22%) R
17 17 (19.10%) Relational Database
18 16 (17.98%) Elasticsearch
18 16 (17.98%) Banking
19 15 (16.85%) JIRA
19 15 (16.85%) Microservices
20 13 (14.61%) Software Engineering
20 13 (14.61%) Pair Programming
20 13 (14.61%) PostgreSQL

Kafka
Top Related 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 37 (41.57%) Apache Spark
2 16 (17.98%) Elasticsearch
3 10 (11.24%) Apache
4 8 (8.99%) Apache Pig
5 3 (3.37%) Apache Solr
6 2 (2.25%) Jetty
6 2 (2.25%) NServiceBus
7 1 (1.12%) Apache Airflow
7 1 (1.12%) IPython
7 1 (1.12%) Jupyter
7 1 (1.12%) Tomcat
Applications
1 1 (1.12%) SPSS
Business Applications
1 1 (1.12%) SAP Oil and Gas
Cloud Services
1 28 (31.46%) Amazon AWS
2 12 (13.48%) Microsoft Azure
3 9 (10.11%) Amazon EMR
3 9 (10.11%) Cloud Computing
4 8 (8.99%) Virtual Private Cloud
5 4 (4.49%) GitHub
6 3 (3.37%) Amazon Kinesis
Communications & Networking
1 13 (14.61%) HTTP
2 7 (7.87%) MQTT
2 7 (7.87%) RTSP
3 3 (3.37%) Kerberos
4 2 (2.25%) TCP/IP
5 1 (1.12%) DNS
5 1 (1.12%) Internet
5 1 (1.12%) LDAP
5 1 (1.12%) SSL
Database & Business Intelligence
1 49 (55.06%) Hadoop
2 42 (47.19%) Big Data
3 35 (39.33%) Apache Hive
4 25 (28.09%) Apache Cassandra
5 17 (19.10%) Relational Database
6 13 (14.61%) PostgreSQL
7 12 (13.48%) MongoDB
8 10 (11.24%) NoSQL
9 9 (10.11%) Neo4j
10 8 (8.99%) HBase
11 7 (7.87%) Data Lake
12 6 (6.74%) Flink
12 6 (6.74%) Sqoop
13 5 (5.62%) Impala
13 5 (5.62%) RDBMS
14 4 (4.49%) Data Warehouse
15 2 (2.25%) Amazon RDS
15 2 (2.25%) Amazon Redshift
15 2 (2.25%) MySQL
16 1 (1.12%) Amazon DynamoDB
Development Applications
1 23 (25.84%) Git (software)
2 18 (20.22%) Jenkins
3 15 (16.85%) JIRA
4 6 (6.74%) Subversion
5 3 (3.37%) SpecFlow
6 2 (2.25%) Eclipse
6 2 (2.25%) Maven
6 2 (2.25%) Selenium
6 2 (2.25%) WebDriver
7 1 (1.12%) Calabash
7 1 (1.12%) Capybara
7 1 (1.12%) Cucumber
7 1 (1.12%) ERwin
7 1 (1.12%) GoCD
7 1 (1.12%) Gradle
7 1 (1.12%) NUnit
7 1 (1.12%) Talend Open Studio
7 1 (1.12%) TeamCity
7 1 (1.12%) Vagrant
7 1 (1.12%) Visual Studio
General
1 18 (20.22%) Finance
2 16 (17.98%) Banking
3 5 (5.62%) Retail
4 4 (4.49%) Front Office
5 2 (2.25%) Investment Banking
5 2 (2.25%) Marketing
6 1 (1.12%) Billing
6 1 (1.12%) Electronics
6 1 (1.12%) Manufacturing
6 1 (1.12%) Publishing
6 1 (1.12%) Telecoms
Job Titles
1 36 (40.45%) Developer
2 16 (17.98%) Java Developer
3 14 (15.73%) Data Engineer
4 12 (13.48%) Scala Developer
5 9 (10.11%) Administrator
5 9 (10.11%) AWS DevOps
5 9 (10.11%) DevOps Engineer
6 8 (8.99%) AWS Engineer
6 8 (8.99%) Big Data Engineer
6 8 (8.99%) DevOps Specialist
7 7 (7.87%) Architect
7 7 (7.87%) Hadoop Engineer
7 7 (7.87%) Senior Developer
8 6 (6.74%) Data Administrator
8 6 (6.74%) Senior Java Developer
9 5 (5.62%) Data Architect
9 5 (5.62%) Java Engineer
10 4 (4.49%) Analyst
10 4 (4.49%) Hadoop Administrator
10 4 (4.49%) Support Engineer
Libraries, Frameworks & Software Standards
1 21 (23.60%) Akka
2 11 (12.36%) JSON
3 10 (11.24%) Protocol Buffers
4 9 (10.11%) AngularJS
4 9 (10.11%) Node.js
5 7 (7.87%) RabbitMQ
6 6 (6.74%) REST
6 6 (6.74%) Spring
7 5 (5.62%) .NET
7 5 (5.62%) Spark Streaming
8 4 (4.49%) Dropwizard
8 4 (4.49%) Hibernate
8 4 (4.49%) HTML
8 4 (4.49%) JAX-RS
8 4 (4.49%) JMS
8 4 (4.49%) RESTful
9 3 (3.37%) Apache Avro
9 3 (3.37%) Ember.js
9 3 (3.37%) Express
9 3 (3.37%) Reactive Extensions
Miscellaneous
1 11 (12.36%) Public Cloud
2 8 (8.99%) Analytical Skills
3 7 (7.87%) Video on Demand
4 4 (4.49%) Algorithms
5 2 (2.25%) Derivative
5 2 (2.25%) Grid Computing
5 2 (2.25%) Hedge funds
6 1 (1.12%) Data Centre
6 1 (1.12%) Embedded Systems
6 1 (1.12%) Enterprise Cloud
6 1 (1.12%) Fintech
6 1 (1.12%) Internet of Things
6 1 (1.12%) Streaming Video
Operating Systems
1 21 (23.60%) Linux
2 10 (11.24%) Android
2 10 (11.24%) Apple iOS
3 5 (5.62%) Red Hat Enterprise Linux
4 4 (4.49%) Mac OS X
4 4 (4.49%) Unix
5 3 (3.37%) CentOS
5 3 (3.37%) Windows
6 1 (1.12%) Fedora
6 1 (1.12%) Windows Server
6 1 (1.12%) Windows Server 2012
Processes & Methodologies
1 54 (60.67%) Agile Software Development
2 33 (37.08%) TDD
3 32 (35.96%) BDD
4 26 (29.21%) DevOps
5 18 (20.22%) Continuous Integration
6 15 (16.85%) Microservices
7 13 (14.61%) Pair Programming
7 13 (14.61%) Software Engineering
8 10 (11.24%) E-Commerce
8 10 (11.24%) Scrum
9 9 (10.11%) High Availability
9 9 (10.11%) Kanban
9 9 (10.11%) Open Source
9 9 (10.11%) Statistics
10 8 (8.99%) Continuous Deployment
11 6 (6.74%) Data Ingestion
11 6 (6.74%) MapReduce
12 5 (5.62%) Analytics
12 5 (5.62%) Data Modelling
12 5 (5.62%) Machine Learning
Programming Languages
1 51 (57.30%) Python
2 50 (56.18%) Java
3 44 (49.44%) Scala
4 18 (20.22%) JavaScript
4 18 (20.22%) R
5 12 (13.48%) Bash Shell
6 9 (10.11%) Perl
6 9 (10.11%) SQL
7 8 (8.99%) C
8 5 (5.62%) C#
9 4 (4.49%) MATLAB
10 3 (3.37%) ES6
11 2 (2.25%) Ruby
12 1 (1.12%) Apple Swift
Qualifications
1 4 (4.49%) Degree
2 3 (3.37%) PhD
2 3 (3.37%) SC Cleared
2 3 (3.37%) Security Cleared
3 2 (2.25%) RHCE
3 2 (2.25%) RHCSA
4 1 (1.12%) CFA
Quality Assurance & Compliance
1 4 (4.49%) QA
System Software
1 32 (35.96%) Docker
2 5 (5.62%) Apache ZooKeeper
3 4 (4.49%) Apache Flume
3 4 (4.49%) HDFS
4 1 (1.12%) Active Directory
4 1 (1.12%) Snort
Systems Management
1 6 (6.74%) Hadoop YARN
2 5 (5.62%) Kubernetes
3 4 (4.49%) Puppet
4 3 (3.37%) Mesos
5 2 (2.25%) Ansible
5 2 (2.25%) Marathon
5 2 (2.25%) Nagios
5 2 (2.25%) Oozie
6 1 (1.12%) Ambari
6 1 (1.12%) Kibana
6 1 (1.12%) Opscode Chef
6 1 (1.12%) OSSEC
Vendors
1 13 (14.61%) Hortonworks
2 6 (6.74%) Red Hat
3 5 (5.62%) Cloudera
4 4 (4.49%) Tableau
5 3 (3.37%) Teradata
6 2 (2.25%) Cisco
6 2 (2.25%) Microsoft
6 2 (2.25%) SAP
6 2 (2.25%) VMware
7 1 (1.12%) Alteryx
7 1 (1.12%) Apigee
7 1 (1.12%) Splunk
7 1 (1.12%) Talend
City, London
Parallel Consulting
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City, London
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