Period
to 23 May 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 May 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 May 2018
Same period 2017 Same period 2016
Rank 111 177 199
Rank change year-on-year +66 +22 +72
Contract jobs citing Kafka 160 61 32
As % of all contract IT jobs advertised in the City of London 2.31% 0.99% 0.50%
As % of the Libraries, Frameworks & Software Standards category 5.99% 2.71% 1.50%
Number of daily rates quoted 149 51 28
City of London median daily rate £575 £530 £538
Median daily rate % change year-on-year +8.49% -1.40% +2.38%
10th Percentile £480 £450 £346
90th Percentile £675 £650 £663
Central London median daily rate £550 £528 £550
% change year-on-year +4.27% -4.09% +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 2,670 2,254 2,138
As % of all contract IT jobs advertised in the City of London 38.53% 36.69% 33.13%
Number of daily rates quoted 2,198 1,860 1,806
City of London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £363 £331 £313
90th Percentile £663 £644 £638
Central London median daily rate £505 £475 £450
% change year-on-year +6.32% +5.56% -
Number of hourly rates quoted 14 5 5
City of London median hourly rate £21.75 £24.86 £43.57
Median hourly rate % change year-on-year -12.51% -42.94% +79.82%
10th Percentile £21.08 £23.98 £17.09
90th Percentile £58.23 £33.73 £60.00
Central London median hourly rate £22.00 £24.86 £43.57
% change year-on-year -11.50% -42.94% +59.19%

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 May 2018.

Contractor daily rate histogram for Kafka in the City of London

For the 6 months to 23 May 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.

1 107 (66.88%) Java
2 74 (46.25%) Agile Software Development
3 72 (45.00%) Docker
4 65 (40.63%) Big Data
5 61 (38.13%) Apache Spark
5 61 (38.13%) Java 8
6 59 (36.88%) Linux
7 58 (36.25%) Hadoop
8 57 (35.63%) Amazon AWS
9 55 (34.38%) DevOps
10 53 (33.13%) Python
11 52 (32.50%) MongoDB
12 45 (28.13%) Apache Hive
12 45 (28.13%) TDD
13 44 (27.50%) Git (software)
14 42 (26.25%) Jenkins
15 36 (22.50%) Elasticsearch
15 36 (22.50%) Scala
15 36 (22.50%) Microservices
16 35 (21.88%) Finance
17 34 (21.25%) AngularJS
18 32 (20.00%) PostgreSQL
19 30 (18.75%) NoSQL
20 27 (16.88%) REST
21 26 (16.25%) Kubernetes
22 23 (14.38%) HBase
22 23 (14.38%) Maven
23 22 (13.75%) JavaScript
23 22 (13.75%) SSL
24 21 (13.13%) SQL

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 61 (38.13%) Apache Spark
2 36 (22.50%) Elasticsearch
3 19 (11.88%) Apache
4 12 (7.50%) Apache Solr
5 6 (3.75%) nginx
6 5 (3.13%) Tomcat
7 3 (1.88%) Apache Pig
8 2 (1.25%) IPython
8 2 (1.25%) Jupyter
9 1 (0.63%) Confluence
9 1 (0.63%) Gunicorn
9 1 (0.63%) Jetty
9 1 (0.63%) OpenStack
9 1 (0.63%) Tornado
Applications
1 2 (1.25%) SPSS
Business Applications
1 6 (3.75%) Distributed Ledger
Cloud Services
1 57 (35.63%) Amazon AWS
2 16 (10.00%) GitHub
2 16 (10.00%) Heroku
3 9 (5.63%) Amazon Kinesis
3 9 (5.63%) Google Cloud Platform
4 7 (4.38%) Amazon S3
4 7 (4.38%) Microsoft Azure
5 5 (3.13%) AWS Lambda
5 5 (3.13%) Serverless
6 4 (2.50%) Amazon EMR
6 4 (2.50%) Cloud Computing
7 3 (1.88%) Yarn
8 2 (1.25%) npm
9 1 (0.63%) OpenShift
9 1 (0.63%) PaaS
9 1 (0.63%) Route 53
9 1 (0.63%) Virtual Private Cloud
Communications & Networking
1 22 (13.75%) SSL
2 19 (11.88%) DNS
3 16 (10.00%) FTP
3 16 (10.00%) HTTP
3 16 (10.00%) TCP/IP
4 13 (8.13%) Kerberos
5 4 (2.50%) AMQP
6 2 (1.25%) Internet
7 1 (0.63%) Firewall
7 1 (0.63%) Intrusion Detection
7 1 (0.63%) WAN
Database & Business Intelligence
1 65 (40.63%) Big Data
2 58 (36.25%) Hadoop
3 52 (32.50%) MongoDB
4 45 (28.13%) Apache Hive
5 32 (20.00%) PostgreSQL
6 30 (18.75%) NoSQL
7 23 (14.38%) HBase
8 21 (13.13%) Apache Cassandra
9 17 (10.63%) Redis
10 11 (6.88%) Relational Database
11 8 (5.00%) SQL Server
12 7 (4.38%) MySQL
13 6 (3.75%) Blockchain
13 6 (3.75%) Data Lake
13 6 (3.75%) Impala
14 5 (3.13%) Flink
15 4 (2.50%) Amazon Redshift
15 4 (2.50%) RDBMS
16 3 (1.88%) Data Warehouse
16 3 (1.88%) Star Schema
Development Applications
1 44 (27.50%) Git (software)
2 42 (26.25%) Jenkins
3 23 (14.38%) Maven
4 18 (11.25%) GitLab
5 14 (8.75%) Gradle
6 8 (5.00%) Gatling
6 8 (5.00%) Geb
6 8 (5.00%) gulp
6 8 (5.00%) Spock
7 4 (2.50%) JUnit
8 3 (1.88%) GoCD
8 3 (1.88%) JMeter
8 3 (1.88%) The Grinder
9 2 (1.25%) Mockito
9 2 (1.25%) TeamCity
9 2 (1.25%) Vagrant
10 1 (0.63%) Artifactory
10 1 (0.63%) Cucumber
10 1 (0.63%) Subversion
10 1 (0.63%) Visual Studio Team System
General
1 35 (21.88%) Finance
2 15 (9.38%) Banking
3 9 (5.63%) Investment Banking
3 9 (5.63%) Publishing
4 5 (3.13%) Retail
5 4 (2.50%) Front Office
6 3 (1.88%) Advertising
7 2 (1.25%) Games
8 1 (0.63%) Marketing
8 1 (0.63%) Telecoms
Job Titles
1 67 (41.88%) Developer
2 37 (23.13%) Java Developer
3 33 (20.63%) Big Data Engineer
4 26 (16.25%) DevOps Engineer
5 24 (15.00%) Data Engineer
6 19 (11.88%) Hadoop Engineer
7 17 (10.63%) Big Data Developer
7 17 (10.63%) Java Engineer
8 16 (10.00%) Elasticsearch Engineer
8 16 (10.00%) Senior Hadoop Engineer
8 16 (10.00%) Senior Java Engineer
9 15 (9.38%) Senior Developer
10 10 (6.25%) Senior Java Developer
11 8 (5.00%) Agile Developer
11 8 (5.00%) Agile Java Developer
11 8 (5.00%) Ruby Developer
12 7 (4.38%) Architect
13 6 (3.75%) Consultant
14 5 (3.13%) Principal Consultant
14 5 (3.13%) Solutions Architect
Libraries, Frameworks & Software Standards
1 34 (21.25%) AngularJS
2 27 (16.88%) REST
3 21 (13.13%) HTML
3 21 (13.13%) Spring Boot
4 20 (12.50%) HTML5
4 20 (12.50%) Spring
5 19 (11.88%) SOAP
6 17 (10.63%) CSS
6 17 (10.63%) RabbitMQ
7 16 (10.00%) OAuth
7 16 (10.00%) OAuth2
8 13 (8.13%) Dropwizard
9 11 (6.88%) React
10 10 (6.25%) Akka
10 10 (6.25%) Node.js
11 9 (5.63%) Guice
11 9 (5.63%) JSON
11 9 (5.63%) Ratpack
12 8 (5.00%) Redux
12 8 (5.00%) WireMock
Miscellaneous
1 14 (8.75%) Device Driver
2 10 (6.25%) Fintech
3 9 (5.63%) Greenfield Project
4 8 (5.00%) Credit Risk
5 7 (4.38%) Algorithms
6 5 (3.13%) Analytical Skills
6 5 (3.13%) Computer Science
7 4 (2.50%) Foreign Exchange (FX)
8 3 (1.88%) Data Structures
8 3 (1.88%) Linux Command Line
8 3 (1.88%) Public Cloud
9 2 (1.25%) Fixed Income
9 2 (1.25%) Online Games
10 1 (0.63%) Equities
10 1 (0.63%) Grid Computing
10 1 (0.63%) IPTV
10 1 (0.63%) Mobile App
10 1 (0.63%) PKI
10 1 (0.63%) Social Media
10 1 (0.63%) Wiki
Operating Systems
1 59 (36.88%) Linux
2 15 (9.38%) CentOS
2 15 (9.38%) Ubuntu
3 9 (5.63%) Red Hat Enterprise Linux
3 9 (5.63%) Unix
4 2 (1.25%) CoreOS
5 1 (0.63%) Windows
5 1 (0.63%) Windows Server
5 1 (0.63%) Windows Server 2008
Processes & Methodologies
1 74 (46.25%) Agile Software Development
2 55 (34.38%) DevOps
3 45 (28.13%) TDD
4 36 (22.50%) Microservices
5 20 (12.50%) BDD
5 20 (12.50%) Software Engineering
6 16 (10.00%) ETL
6 16 (10.00%) High Availability
6 16 (10.00%) OWASP
7 15 (9.38%) Continuous Integration
8 14 (8.75%) Immutable Infrastructure
9 13 (8.13%) Machine Learning
10 11 (6.88%) Data Science
10 11 (6.88%) MapReduce
11 9 (5.63%) Functional Programming
11 9 (5.63%) Open Source
11 9 (5.63%) Problem-Solving
12 8 (5.00%) Domain-Driven Design
12 8 (5.00%) Parallel Computing
12 8 (5.00%) Parallel Processing
Programming Languages
1 107 (66.88%) Java
2 61 (38.13%) Java 8
3 53 (33.13%) Python
4 36 (22.50%) Scala
5 22 (13.75%) JavaScript
6 21 (13.13%) Bash Shell
6 21 (13.13%) SQL
7 19 (11.88%) ES6
8 17 (10.63%) Go
9 11 (6.88%) TypeScript
10 9 (5.63%) Ruby
11 8 (5.00%) Groovy
12 7 (4.38%) C#
13 6 (3.75%) R
14 5 (3.13%) C++
15 4 (2.50%) MATLAB
16 3 (1.88%) Clojure
16 3 (1.88%) Kotlin
16 3 (1.88%) PL/SQL
16 3 (1.88%) Shell Script
Qualifications
1 8 (5.00%) Degree
2 7 (4.38%) Security Cleared
3 5 (3.13%) Computer Science Degree
3 5 (3.13%) SC Cleared
4 2 (1.25%) DV Cleared
5 1 (0.63%) Numerate Degree
5 1 (0.63%) TOGAF Certification
Quality Assurance & Compliance
1 4 (2.50%) Data Quality
2 3 (1.88%) GCP
2 3 (1.88%) QA
3 1 (0.63%) GDPR
System Software
1 72 (45.00%) Docker
2 12 (7.50%) Apache Flume
2 12 (7.50%) HDFS
3 11 (6.88%) Apache ZooKeeper
4 6 (3.75%) Active Directory
Systems Management
1 26 (16.25%) Kubernetes
2 17 (10.63%) Ansible
3 14 (8.75%) Grafana
3 14 (8.75%) Icinga
3 14 (8.75%) Nagios
3 14 (8.75%) Prometheus
4 13 (8.13%) Oozie
5 10 (6.25%) Hadoop YARN
5 10 (6.25%) Mesos
6 9 (5.63%) Docker Swarm
7 8 (5.00%) Marathon
8 6 (3.75%) Ambari
8 6 (3.75%) Apache Slider
8 6 (3.75%) Puppet
9 4 (2.50%) Consul
9 4 (2.50%) Kibana
9 4 (2.50%) Salt
9 4 (2.50%) Terraform
10 3 (1.88%) logstash
10 3 (1.88%) Opscode Chef
Vendors
1 21 (13.13%) Google
2 15 (9.38%) Cloudera
2 15 (9.38%) Red Hat
3 11 (6.88%) Hortonworks
4 9 (5.63%) Tableau
5 7 (4.38%) Oracle
6 4 (2.50%) SaltStack
6 4 (2.50%) Splunk
7 3 (1.88%) FXall
7 3 (1.88%) Microsoft
7 3 (1.88%) Reuters
8 2 (1.25%) Talend
9 1 (0.63%) IBM
9 1 (0.63%) Netezza
9 1 (0.63%) Sybase
9 1 (0.63%) TIBCO