Period
to 23 February 2018

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 6 months to 23 February 2018 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 Kafka
Central London > City of London
6 months to
23 Feb 2018
Same period 2017 Same period 2016
Rank 111 121 193
Rank change year-on-year +10 +72 +95
Contract jobs citing Kafka 152 110 35
As % of all contract IT jobs advertised in the City of London 2.14% 1.79% 0.52%
As % of the Libraries, Frameworks & Software Standards category 5.63% 4.94% 1.63%
Number of daily rates quoted 146 100 33
City of London median daily rate £575 £550 £550
Median daily rate % change year-on-year +4.55% - +4.76%
10th Percentile £460 £450 £355
90th Percentile £688 £650 £675
Central London median daily rate £575 £550 £550
% change year-on-year +4.55% - +4.76%
Number of hourly rates quoted 1 0 0
City of London median hourly rate £44.50 - -
Central London median hourly rate £44.50 - -

Kafka is in the Software Libraries and Frameworks 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 technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
City of London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 2,701 2,226 2,152
As % of all contract IT jobs advertised in the City of London 37.97% 36.31% 31.95%
Number of daily rates quoted 2,303 1,886 1,801
City of London median daily rate £513 £488 £475
Median daily rate % change year-on-year +5.13% +2.63% +5.56%
10th Percentile £363 £325 £313
90th Percentile £675 £650 £638
Central London median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +2.86%
Number of hourly rates quoted 11 1 9
City of London median hourly rate £21.50 £54.25 £37.50
Median hourly rate % change year-on-year -60.37% +44.65% +30.73%
10th Percentile £21.25 £51.62 £19.95
90th Percentile £67.50 £56.87 £60.00
Central London median hourly rate £21.50 £54.25 £37.50
% change year-on-year -60.37% +44.65% +25.00%

Kafka
Job Vacancy Trend in the City of London

Job postings citing Kafka as a percentage of all IT jobs advertised in the City of London.

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 6 months to 23 February 2018.

Contractor daily rate histogram for Kafka in the City of London

For the 6 months to 23 February 2018, IT contractor jobs citing Kafka 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 Kafka.

1 123 (80.92%) Java
2 79 (51.97%) Big Data
3 77 (50.66%) Apache Spark
4 72 (47.37%) Agile Software Development
5 67 (44.08%) Hadoop
6 58 (38.16%) Apache Hive
6 58 (38.16%) TDD
7 56 (36.84%) Python
8 51 (33.55%) Amazon AWS
9 50 (32.89%) DevOps
10 46 (30.26%) Finance
11 41 (26.97%) Linux
11 41 (26.97%) SQL
12 38 (25.00%) JavaScript
12 38 (25.00%) Docker
13 37 (24.34%) HDFS
13 37 (24.34%) PostgreSQL
14 34 (22.37%) MongoDB
14 34 (22.37%) Jenkins
15 33 (21.71%) NoSQL
15 33 (21.71%) Scala
16 32 (21.05%) Apache Cassandra
16 32 (21.05%) BDD
16 32 (21.05%) Microservices
17 31 (20.39%) Git (software)
18 30 (19.74%) Apache Flume
18 30 (19.74%) Software Engineering
18 30 (19.74%) Oozie
19 29 (19.08%) Banking
19 29 (19.08%) HBase

Kafka
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 77 (50.66%) Apache Spark
2 25 (16.45%) Elasticsearch
3 13 (8.55%) Apache
4 6 (3.95%) WildFly
5 5 (3.29%) Apache Solr
5 5 (3.29%) nginx
5 5 (3.29%) Tomcat
6 3 (1.97%) Apache Pig
6 3 (1.97%) Oracle Coherence
7 2 (1.32%) Confluence
7 2 (1.32%) IPython
7 2 (1.32%) Jupyter
8 1 (0.66%) Jetty
8 1 (0.66%) OpenStack
8 1 (0.66%) Tornado
Applications
1 2 (1.32%) SPSS
Cloud Services
1 51 (33.55%) Amazon AWS
2 9 (5.92%) GitHub
3 7 (4.61%) Google Cloud Platform
3 7 (4.61%) Heroku
4 6 (3.95%) Bluemix
4 6 (3.95%) IBM Cloud
5 5 (3.29%) Amazon Kinesis
5 5 (3.29%) Google Play
6 4 (2.63%) Microsoft Azure
7 3 (1.97%) AWS CloudFormation
7 3 (1.97%) Yarn
8 2 (1.32%) npm
9 1 (0.66%) Amazon EMR
9 1 (0.66%) Amazon S3
9 1 (0.66%) AWS Lambda
9 1 (0.66%) BlazeMeter
9 1 (0.66%) Cloud Computing
9 1 (0.66%) PaaS
9 1 (0.66%) Sauce Labs
9 1 (0.66%) Serverless
Communications & Networking
1 10 (6.58%) SSL
2 9 (5.92%) Kerberos
3 8 (5.26%) HTTP
4 7 (4.61%) DNS
4 7 (4.61%) FTP
4 7 (4.61%) TCP/IP
5 4 (2.63%) AMQP
6 2 (1.32%) Internet
Database & Business Intelligence
1 79 (51.97%) Big Data
2 67 (44.08%) Hadoop
3 58 (38.16%) Apache Hive
4 37 (24.34%) PostgreSQL
5 34 (22.37%) MongoDB
6 33 (21.71%) NoSQL
7 32 (21.05%) Apache Cassandra
8 29 (19.08%) HBase
9 15 (9.87%) Redis
10 14 (9.21%) Data Warehouse
10 14 (9.21%) Relational Database
11 12 (7.89%) Impala
12 10 (6.58%) Oracle Database
12 10 (6.58%) RDBMS
13 9 (5.92%) Sqoop
14 8 (5.26%) SQL Server
15 7 (4.61%) Amazon DynamoDB
15 7 (4.61%) MySQL
16 6 (3.95%) Flink
16 6 (3.95%) Oracle ODI
Development Applications
1 34 (22.37%) Jenkins
2 31 (20.39%) Git (software)
3 18 (11.84%) Maven
4 14 (9.21%) Gradle
5 11 (7.24%) gulp
6 10 (6.58%) Cucumber
7 9 (5.92%) GitLab
8 8 (5.26%) SonarQube
9 7 (4.61%) Gatling
9 7 (4.61%) Geb
9 7 (4.61%) Spock
10 5 (3.29%) TeamCity
11 4 (2.63%) GoCD
11 4 (2.63%) Grunt
12 3 (1.97%) JUnit
13 2 (1.32%) Selenium
13 2 (1.32%) Travis CI
13 2 (1.32%) Vagrant
14 1 (0.66%) Mockito
14 1 (0.66%) WebDriver
General
1 46 (30.26%) Finance
2 29 (19.08%) Banking
3 9 (5.92%) Investment Banking
3 9 (5.92%) Publishing
4 7 (4.61%) Front Office
5 5 (3.29%) Advertising
6 4 (2.63%) Games
7 3 (1.97%) Retail
7 3 (1.97%) Telecoms
8 2 (1.32%) Electronics
8 2 (1.32%) Manufacturing
8 2 (1.32%) Marketing
Job Titles
1 68 (44.74%) Developer
2 36 (23.68%) Java Developer
3 22 (14.47%) Data Engineer
4 21 (13.82%) Big Data Engineer
5 19 (12.50%) Big Data Developer
6 18 (11.84%) Java Engineer
7 13 (8.55%) DevOps Engineer
7 13 (8.55%) Scala Developer
7 13 (8.55%) Senior Developer
8 8 (5.26%) Hadoop Engineer
9 7 (4.61%) Agile Developer
9 7 (4.61%) Agile Java Developer
9 7 (4.61%) Senior Java Developer
10 6 (3.95%) AWS DevOps
10 6 (3.95%) Elasticsearch Engineer
10 6 (3.95%) Senior Hadoop Engineer
10 6 (3.95%) Senior Java Engineer
11 5 (3.29%) AWS Developer
11 5 (3.29%) AWS DevOps Engineer
11 5 (3.29%) AWS Engineer
Libraries, Frameworks & Software Standards
1 26 (17.11%) Spring Boot
2 25 (16.45%) Spring
3 23 (15.13%) Redux
4 21 (13.82%) AngularJS
4 21 (13.82%) React
4 21 (13.82%) REST
5 20 (13.16%) Akka
5 20 (13.16%) PySpark
6 17 (11.18%) HTML
6 17 (11.18%) HTML5
7 14 (9.21%) JSON
7 14 (9.21%) Node.js
8 12 (7.89%) RabbitMQ
8 12 (7.89%) Web Services
9 11 (7.24%) RESTful
10 8 (5.26%) Guice
10 8 (5.26%) Hibernate
10 8 (5.26%) Ratpack
10 8 (5.26%) SOAP
10 8 (5.26%) Twitter Bootstrap
Miscellaneous
1 9 (5.92%) Algorithms
2 8 (5.26%) Analytical Skills
2 8 (5.26%) Fintech
3 6 (3.95%) Market Risk
3 6 (3.95%) Mobile App
4 5 (3.29%) Computer Science
4 5 (3.29%) Data Structures
4 5 (3.29%) Derivative
5 4 (2.63%) Foreign Exchange (FX)
6 3 (1.97%) Credit Risk
6 3 (1.97%) Data Centre
6 3 (1.97%) Interest Rate Derivative
7 2 (1.32%) Equities
7 2 (1.32%) Greenfield Project
8 1 (0.66%) Credit Derivative
8 1 (0.66%) Fixed Income
8 1 (0.66%) Grid Computing
8 1 (0.66%) Internet of Things
8 1 (0.66%) Social Media
8 1 (0.66%) Wiki
Operating Systems
1 41 (26.97%) Linux
2 13 (8.55%) Unix
3 7 (4.61%) Red Hat Enterprise Linux
3 7 (4.61%) Windows
4 5 (3.29%) Android
4 5 (3.29%) Apple iOS
5 1 (0.66%) Windows Server
5 1 (0.66%) Windows Server 2008
Processes & Methodologies
1 72 (47.37%) Agile Software Development
2 58 (38.16%) TDD
3 50 (32.89%) DevOps
4 32 (21.05%) BDD
4 32 (21.05%) Microservices
5 30 (19.74%) Software Engineering
6 25 (16.45%) MapReduce
7 23 (15.13%) Continuous Integration
7 23 (15.13%) Data Engineering
8 21 (13.82%) Open Source
9 17 (11.18%) Scrum
10 15 (9.87%) Machine Learning
11 14 (9.21%) Business Intelligence
11 14 (9.21%) ETL
12 13 (8.55%) Analytics
13 12 (7.89%) Domain-Driven Design
14 11 (7.24%) Data Science
15 9 (5.92%) Data Modelling
16 8 (5.26%) Multithreading
16 8 (5.26%) OO
Programming Languages
1 123 (80.92%) Java
2 56 (36.84%) Python
3 41 (26.97%) SQL
4 38 (25.00%) JavaScript
5 33 (21.71%) Scala
6 19 (12.50%) ES6
7 16 (10.53%) PL/SQL
7 16 (10.53%) Shell Script
8 10 (6.58%) TypeScript
9 9 (5.92%) C++
10 7 (4.61%) Bash Shell
10 7 (4.61%) C#
10 7 (4.61%) Groovy
11 6 (3.95%) GraphQL
11 6 (3.95%) T-SQL
12 5 (3.29%) Objective-C
13 4 (2.63%) Go
14 3 (1.97%) Clojure
14 3 (1.97%) Kotlin
14 3 (1.97%) Ruby
Qualifications
1 8 (5.26%) Degree
2 5 (3.29%) Computer Science Degree
3 4 (2.63%) Security Cleared
4 2 (1.32%) DV Cleared
4 2 (1.32%) SC Cleared
5 1 (0.66%) Numerate Degree
Quality Assurance & Compliance
1 6 (3.95%) MiFID
2 3 (1.97%) GCP
3 2 (1.32%) Data Quality
3 2 (1.32%) QA
System Software
1 38 (25.00%) Docker
2 37 (24.34%) HDFS
3 30 (19.74%) Apache Flume
4 11 (7.24%) Apache ZooKeeper
5 4 (2.63%) Varnish
6 3 (1.97%) Active Directory
6 3 (1.97%) etcd
Systems Management
1 30 (19.74%) Oozie
2 19 (12.50%) Ambari
3 17 (11.18%) Ansible
4 15 (9.87%) Kubernetes
5 11 (7.24%) Hadoop YARN
6 8 (5.26%) Docker Swarm
6 8 (5.26%) Terraform
7 7 (4.61%) Puppet
8 6 (3.95%) Mesos
9 4 (2.63%) Consul
9 4 (2.63%) Salt
10 3 (1.97%) Apache Slider
10 3 (1.97%) Grafana
10 3 (1.97%) Opscode Chef
11 2 (1.32%) Kibana
11 2 (1.32%) logstash
12 1 (0.66%) CA Service Virtualization
Vendors
1 24 (15.79%) Oracle
2 12 (7.89%) Tableau
3 10 (6.58%) Cloudera
3 10 (6.58%) Google
4 7 (4.61%) IBM
5 5 (3.29%) Apple
6 4 (2.63%) Hortonworks
6 4 (2.63%) SaltStack
7 3 (1.97%) FXall
7 3 (1.97%) Reuters
8 2 (1.32%) SAP
8 2 (1.32%) Splunk
9 1 (0.66%) AppDynamics
9 1 (0.66%) CA
9 1 (0.66%) Microsoft
9 1 (0.66%) Netezza
9 1 (0.66%) Perfecto Mobile
9 1 (0.66%) Perforce
9 1 (0.66%) Sybase
9 1 (0.66%) Talend