Period
to 21 November 2017

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 21 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.

Apache Kafka
Central London > City of London
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 121 155 234
Rank change year-on-year +34 +79 +57
Contract jobs citing Kafka 138 95 29
As % of all contract IT jobs advertised in the City of London 1.93% 1.43% 0.32%
As % of the Libraries, Frameworks & Software Standards category 5.09% 3.98% 1.03%
Number of daily rates quoted 132 86 28
City of London median daily rate £568 £550 £550
Median daily rate % change year-on-year +3.18% - +4.76%
10th Percentile £458 £438 £421
90th Percentile £699 £650 £729
Central London median daily rate £550 £550 £575
% change year-on-year - -4.35% +9.52%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

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 2712 2386 2817
As % of all contract IT jobs advertised in the City of London 37.92% 35.86% 31.09%
Number of daily rates quoted 2275 2018 2325
City of London median daily rate £513 £475 £475
Median daily rate % change year-on-year +7.89% - +5.56%
10th Percentile £363 £325 £313
90th Percentile £675 £638 £638
Central London median daily rate £500 £475 £465
% change year-on-year +5.26% +2.15% +9.41%
Number of hourly rates quoted 10 4 14
City of London median hourly rate £22.99 £35.00 £38.75
Median hourly rate % change year-on-year -34.31% -9.68% +29.17%
10th Percentile £20.28 £19.00 £12.40
90th Percentile £33.75 £56.31 £66.25
Central London median hourly rate £21.50 £35.00 £38.75
% change year-on-year -38.57% -9.68% +29.17%

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 21 November 2017.

Contractor daily rate histogram for Kafka in the City of London

For the 6 months to 21 November 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.

1 112 (81.16%) Java
2 76 (55.07%) Agile Software Development
2 76 (55.07%) Big Data
3 71 (51.45%) Hadoop
4 69 (50.00%) Apache Spark
5 54 (39.13%) TDD
6 51 (36.96%) Python
6 51 (36.96%) Apache Hive
7 48 (34.78%) Finance
8 47 (34.06%) HDFS
9 45 (32.61%) DevOps
10 40 (28.99%) Jenkins
11 38 (27.54%) Docker
11 38 (27.54%) MapReduce
12 37 (26.81%) Amazon AWS
13 36 (26.09%) BDD
13 36 (26.09%) HBase
14 35 (25.36%) PostgreSQL
14 35 (25.36%) SQL
15 34 (24.64%) Oracle
16 33 (23.91%) Apache Flume
17 31 (22.46%) MongoDB
17 31 (22.46%) Scala
17 31 (22.46%) JavaScript
17 31 (22.46%) Linux
17 31 (22.46%) Oozie
18 29 (21.01%) Apache Cassandra
18 29 (21.01%) NoSQL
19 28 (20.29%) Microservices
19 28 (20.29%) PySpark

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 69 (50.00%) Apache Spark
2 22 (15.94%) Apache
3 16 (11.59%) Elasticsearch
4 6 (4.35%) Confluence
4 6 (4.35%) WildFly
5 5 (3.62%) Apache Pig
6 4 (2.90%) Apache Solr
7 3 (2.17%) NServiceBus
7 3 (2.17%) Oracle Coherence
8 2 (1.45%) OpenStack
8 2 (1.45%) Tomcat
9 1 (0.72%) Apache Airflow
9 1 (0.72%) Cloud Foundry
9 1 (0.72%) IIS
9 1 (0.72%) nginx
9 1 (0.72%) SAS
9 1 (0.72%) WebLogic
Cloud Services
1 37 (26.81%) Amazon AWS
2 16 (11.59%) GitHub
3 14 (10.14%) Bluemix
3 14 (10.14%) IBM Cloud
4 5 (3.62%) Google Play
5 3 (2.17%) AWS CloudFormation
6 2 (1.45%) Amazon Kinesis
6 2 (1.45%) Amazon S3
7 1 (0.72%) Amazon EC2
7 1 (0.72%) Amazon ElastiCache
7 1 (0.72%) Amazon ELB
7 1 (0.72%) Amazon EMR
7 1 (0.72%) BlazeMeter
7 1 (0.72%) Google Cloud Platform
7 1 (0.72%) Microsoft Azure
7 1 (0.72%) Sauce Labs
7 1 (0.72%) Virtual Private Cloud
Communications & Networking
1 1 (0.72%) HTTP
Database & Business Intelligence
1 76 (55.07%) Big Data
2 71 (51.45%) Hadoop
3 51 (36.96%) Apache Hive
4 36 (26.09%) HBase
5 35 (25.36%) PostgreSQL
6 31 (22.46%) MongoDB
7 29 (21.01%) Apache Cassandra
7 29 (21.01%) NoSQL
8 20 (14.49%) Sqoop
9 14 (10.14%) Data Warehouse
9 14 (10.14%) Oracle ODI
10 13 (9.42%) Relational Database
11 11 (7.97%) Impala
11 11 (7.97%) RDBMS
11 11 (7.97%) Redis
12 10 (7.25%) Oracle Database
13 6 (4.35%) Amazon DynamoDB
13 6 (4.35%) MySQL
14 5 (3.62%) Neo4j
15 4 (2.90%) SQL Server
Development Applications
1 40 (28.99%) Jenkins
2 16 (11.59%) Cucumber
3 15 (10.87%) Git (software)
3 15 (10.87%) Maven
4 12 (8.70%) Gradle
5 9 (6.52%) TeamCity
6 8 (5.80%) SonarQube
7 5 (3.62%) JIRA
8 4 (2.90%) Grunt
8 4 (2.90%) gulp
8 4 (2.90%) Subversion
9 3 (2.17%) SpecFlow
9 3 (2.17%) Travis CI
10 2 (1.45%) GoCD
10 2 (1.45%) Selenium
11 1 (0.72%) Appium
11 1 (0.72%) Codeship
11 1 (0.72%) GitLab
11 1 (0.72%) IBM UrbanCode
11 1 (0.72%) jMock
General
1 48 (34.78%) Finance
2 25 (18.12%) Banking
3 9 (6.52%) Front Office
4 5 (3.62%) Publishing
5 4 (2.90%) Games
6 3 (2.17%) Advertising
6 3 (2.17%) Marketing
7 2 (1.45%) Electronics
7 2 (1.45%) Manufacturing
7 2 (1.45%) Telecoms
8 1 (0.72%) Financial Institution
8 1 (0.72%) Investment Banking
8 1 (0.72%) Retail Banking
Job Titles
1 70 (50.72%) Developer
2 31 (22.46%) Java Developer
3 21 (15.22%) Scala Developer
4 20 (14.49%) Big Data Developer
5 12 (8.70%) Java Engineer
6 11 (7.97%) Senior Developer
7 9 (6.52%) Data Engineer
7 9 (6.52%) Senior Java Developer
8 7 (5.07%) Apache Spark Developer
9 6 (4.35%) Full Stack Developer
10 5 (3.62%) Architect
10 5 (3.62%) AWS Developer
10 5 (3.62%) DevOps Engineer
10 5 (3.62%) Front Office Developer
10 5 (3.62%) Hadoop Developer
10 5 (3.62%) SQL Developer
11 4 (2.90%) Analyst
11 4 (2.90%) Senior Software Engineer
11 4 (2.90%) Software Engineer
11 4 (2.90%) Unix Developer
Libraries, Frameworks & Software Standards
1 28 (20.29%) PySpark
2 26 (18.84%) Akka
3 20 (14.49%) Redux
4 18 (13.04%) RabbitMQ
4 18 (13.04%) React
4 18 (13.04%) REST
5 17 (12.32%) JSON
5 17 (12.32%) RESTful
5 17 (12.32%) Web Services
6 12 (8.70%) Spring
7 11 (7.97%) AngularJS
8 10 (7.25%) Spring Boot
9 8 (5.80%) Node.js
9 8 (5.80%) Twitter Bootstrap
10 7 (5.07%) HTML
10 7 (5.07%) HTML5
10 7 (5.07%) Samza
11 6 (4.35%) Hibernate
12 5 (3.62%) JPA
12 5 (3.62%) XML
Miscellaneous
1 10 (7.25%) Market Risk
2 9 (6.52%) Fintech
3 8 (5.80%) Equities
4 7 (5.07%) Greenfield Project
5 6 (4.35%) Analytical Skills
5 6 (4.35%) Mobile App
6 5 (3.62%) Algorithms
6 5 (3.62%) Derivative
7 3 (2.17%) Credit Risk
7 3 (2.17%) Data Centre
7 3 (2.17%) Data Structures
7 3 (2.17%) Hedge funds
7 3 (2.17%) Interest Rate Derivative
8 2 (1.45%) Computer Science
8 2 (1.45%) Linked Data
8 2 (1.45%) Semantic Web
9 1 (0.72%) Credit Derivative
9 1 (0.72%) Equity Risk
9 1 (0.72%) TWAP
9 1 (0.72%) VWAP
Operating Systems
1 31 (22.46%) Linux
2 16 (11.59%) Windows
3 15 (10.87%) Unix
4 6 (4.35%) Android
4 6 (4.35%) Apple iOS
4 6 (4.35%) Windows Server
5 1 (0.72%) AIX
Processes & Methodologies
1 76 (55.07%) Agile Software Development
2 54 (39.13%) TDD
3 45 (32.61%) DevOps
4 38 (27.54%) MapReduce
5 36 (26.09%) BDD
6 28 (20.29%) Microservices
7 27 (19.57%) Data Engineering
7 27 (19.57%) Open Source
8 17 (12.32%) Continuous Integration
9 16 (11.59%) Business Intelligence
10 15 (10.87%) Multithreading
10 15 (10.87%) Scrum
10 15 (10.87%) Software Engineering
11 13 (9.42%) Data Modelling
12 12 (8.70%) Continuous Deployment
13 11 (7.97%) Functional Testing
14 10 (7.25%) Analytics
14 10 (7.25%) Pair Programming
15 8 (5.80%) CQRS
15 8 (5.80%) ETL
Programming Languages
1 112 (81.16%) Java
2 51 (36.96%) Python
3 35 (25.36%) SQL
4 31 (22.46%) JavaScript
4 31 (22.46%) Scala
5 17 (12.32%) PL/SQL
6 16 (11.59%) Shell Script
7 9 (6.52%) ES6
8 6 (4.35%) T-SQL
9 5 (3.62%) C#
9 5 (3.62%) GraphQL
9 5 (3.62%) Groovy
9 5 (3.62%) Objective-C
10 4 (2.90%) C++
11 3 (2.17%) Bash Shell
11 3 (2.17%) Clojure
11 3 (2.17%) Kotlin
12 2 (1.45%) Ruby
12 2 (1.45%) SPARQL
13 1 (0.72%) R
Qualifications
1 7 (5.07%) Security Cleared
2 3 (2.17%) DV Cleared
2 3 (2.17%) SC Cleared
3 2 (1.45%) Computer Science Degree
3 2 (1.45%) Degree
Quality Assurance & Compliance
1 8 (5.80%) MiFID
2 5 (3.62%) QA
3 3 (2.17%) Data Quality
4 1 (0.72%) Dodd-Frank
4 1 (0.72%) EMIR
System Software
1 47 (34.06%) HDFS
2 38 (27.54%) Docker
3 33 (23.91%) Apache Flume
4 11 (7.97%) Apache ZooKeeper
5 4 (2.90%) Varnish
6 3 (2.17%) etcd
Systems Management
1 31 (22.46%) Oozie
2 24 (17.39%) Ambari
3 17 (12.32%) Kubernetes
4 16 (11.59%) Hadoop YARN
5 14 (10.14%) Ansible
6 5 (3.62%) Mesos
6 5 (3.62%) Puppet
6 5 (3.62%) Terraform
7 3 (2.17%) Consul
7 3 (2.17%) Grafana
7 3 (2.17%) Opscode Chef
8 1 (0.72%) CA Service Virtualization
8 1 (0.72%) Rancher
8 1 (0.72%) ZABBIX
Vendors
1 34 (24.64%) Oracle
2 24 (17.39%) IBM
3 15 (10.87%) Tableau
4 6 (4.35%) Google
5 5 (3.62%) Apple
6 3 (2.17%) Splunk
7 2 (1.45%) Hortonworks
7 2 (1.45%) SAP
8 1 (0.72%) AppDynamics
8 1 (0.72%) CA
8 1 (0.72%) Cloudera
8 1 (0.72%) Facebook
8 1 (0.72%) Informatica
8 1 (0.72%) Microsoft
8 1 (0.72%) Perfecto Mobile
8 1 (0.72%) Perforce
8 1 (0.72%) Solace
8 1 (0.72%) Talend
8 1 (0.72%) Teradata
8 1 (0.72%) Tradeweb