Period
to 21 July 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 21 July 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
21 Jul 2018
Same period 2017 Same period 2016
Rank 86 173 219
Rank change year-on-year +87 +46 +55
Contract jobs citing Kafka 207 68 27
As % of all contract IT jobs advertised in the City of London 2.91% 1.05% 0.39%
As % of the Libraries, Frameworks & Software Standards category 7.46% 2.81% 1.14%
Number of daily rates quoted 190 57 23
City of London median daily rate £575 £537 £550
Median daily rate % change year-on-year +7.18% -2.45% +4.76%
10th Percentile £475 £459 £347
90th Percentile £700 £655 £658
Central London median daily rate £550 £530 £550
% change year-on-year +3.77% -3.64% +4.76%
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 2,774 2,416 2,363
As % of all contract IT jobs advertised in the City of London 39.06% 37.17% 34.57%
Number of daily rates quoted 2,263 1,955 2,002
City of London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £369 £352 £313
90th Percentile £675 £650 £638
Central London median daily rate £519 £500 £463
% change year-on-year +3.85% +8.00% +2.78%
Number of hourly rates quoted 14 11 5
City of London median hourly rate £21.75 £24.49 £20.00
Median hourly rate % change year-on-year -11.17% +22.43% -17.46%
10th Percentile £21.00 £20.75 £16.69
90th Percentile £56.88 £29.62 £35.74
Central London median hourly rate £22.00 £24.42 £20.00
% change year-on-year -9.92% +22.11% -26.93%

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 July 2018.

Contractor daily rate histogram for Kafka in the City of London

For the 6 months to 21 July 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.

1 130 (62.80%) Java
2 98 (47.34%) Docker
3 96 (46.38%) Agile Software Development
4 87 (42.03%) Linux
5 85 (41.06%) Hadoop
6 77 (37.20%) Java 8
7 75 (36.23%) Apache Spark
7 75 (36.23%) MongoDB
7 75 (36.23%) Big Data
7 75 (36.23%) Python
8 68 (32.85%) Amazon AWS
9 66 (31.88%) DevOps
10 57 (27.54%) Finance
11 52 (25.12%) Jenkins
11 52 (25.12%) Kubernetes
12 49 (23.67%) TDD
13 48 (23.19%) Microservices
14 47 (22.71%) AngularJS
14 47 (22.71%) Scala
14 47 (22.71%) Apache Hive
14 47 (22.71%) Git (software)
15 44 (21.26%) Elasticsearch
16 41 (19.81%) REST
17 39 (18.84%) Google
18 37 (17.87%) NoSQL
19 36 (17.39%) Apache Cassandra
19 36 (17.39%) JavaScript
20 33 (15.94%) SSL
21 32 (15.46%) HTML
21 32 (15.46%) GitLab

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 75 (36.23%) Apache Spark
2 44 (21.26%) Elasticsearch
3 26 (12.56%) Apache
4 12 (5.80%) Apache Solr
5 4 (1.93%) Apache Pig
6 3 (1.45%) WordPress
7 2 (0.97%) Cloud Foundry
7 2 (0.97%) Confluence
7 2 (0.97%) SAS
8 1 (0.48%) Gunicorn
8 1 (0.48%) MQSeries
8 1 (0.48%) nginx
8 1 (0.48%) OpenStack
8 1 (0.48%) Tomcat
Applications
1 1 (0.48%) Microsoft Excel
1 1 (0.48%) Microsoft Office
1 1 (0.48%) Microsoft PowerPoint
1 1 (0.48%) MS Visio
Business Applications
1 11 (5.31%) Distributed Ledger
Cloud Services
1 68 (32.85%) Amazon AWS
2 26 (12.56%) GitHub
2 26 (12.56%) Heroku
3 14 (6.76%) Microsoft Azure
4 12 (5.80%) Google Cloud Platform
5 9 (4.35%) Amazon Kinesis
6 8 (3.86%) Amazon S3
6 8 (3.86%) AWS Lambda
7 7 (3.38%) Cloud Computing
7 7 (3.38%) Serverless
8 5 (2.42%) Amazon EMR
9 4 (1.93%) OpenShift
10 3 (1.45%) Yarn
11 2 (0.97%) IBM Cloud
11 2 (0.97%) npm
12 1 (0.48%) Route 53
12 1 (0.48%) Virtual Private Cloud
Communications & Networking
1 33 (15.94%) SSL
2 29 (14.01%) DNS
3 26 (12.56%) FTP
3 26 (12.56%) HTTP
3 26 (12.56%) TCP/IP
4 10 (4.83%) Kerberos
5 4 (1.93%) Internet
6 3 (1.45%) AMQP
6 3 (1.45%) MQTT
7 1 (0.48%) Firewall
7 1 (0.48%) Intrusion Detection
7 1 (0.48%) WAN
Database & Business Intelligence
1 85 (41.06%) Hadoop
2 75 (36.23%) Big Data
2 75 (36.23%) MongoDB
3 47 (22.71%) Apache Hive
4 37 (17.87%) NoSQL
5 36 (17.39%) Apache Cassandra
6 29 (14.01%) HBase
7 28 (13.53%) PostgreSQL
8 15 (7.25%) Redis
9 13 (6.28%) Blockchain
10 11 (5.31%) Relational Database
11 9 (4.35%) MySQL
12 8 (3.86%) SQL Server
13 7 (3.38%) Amazon Redshift
13 7 (3.38%) RDBMS
13 7 (3.38%) Sqoop
14 5 (2.42%) Amazon Athena
15 4 (1.93%) Data Lake
15 4 (1.93%) Data Warehouse
15 4 (1.93%) Power BI
Development Applications
1 52 (25.12%) Jenkins
2 47 (22.71%) Git (software)
3 32 (15.46%) GitLab
4 29 (14.01%) Maven
5 22 (10.63%) Gradle
6 16 (7.73%) gulp
7 10 (4.83%) JUnit
8 8 (3.86%) Gatling
8 8 (3.86%) Geb
8 8 (3.86%) Spock
9 7 (3.38%) Cucumber
9 7 (3.38%) Mockito
10 4 (1.93%) Travis CI
11 3 (1.45%) GoogleTest
11 3 (1.45%) JIRA
11 3 (1.45%) JMeter
11 3 (1.45%) The Grinder
12 2 (0.97%) GoCD
12 2 (0.97%) Sonatype Nexus
12 2 (0.97%) TeamCity
General
1 57 (27.54%) Finance
2 11 (5.31%) Banking
3 9 (4.35%) Publishing
4 3 (1.45%) Front Office
4 3 (1.45%) Investment Banking
4 3 (1.45%) Telecoms
5 2 (0.97%) Games
5 2 (0.97%) Marketing
5 2 (0.97%) Retail
Job Titles
1 90 (43.48%) Developer
2 55 (26.57%) Java Developer
3 31 (14.98%) Big Data Engineer
3 31 (14.98%) DevOps Engineer
4 23 (11.11%) Hadoop Engineer
4 23 (11.11%) Java Engineer
4 23 (11.11%) Senior Developer
4 23 (11.11%) Senior Java Engineer
5 20 (9.66%) Data Engineer
5 20 (9.66%) Senior Hadoop Engineer
5 20 (9.66%) Senior Java Developer
6 19 (9.18%) Elasticsearch Engineer
7 17 (8.21%) Big Data Developer
8 11 (5.31%) Agile Developer
8 11 (5.31%) Agile Java Developer
9 10 (4.83%) Architect
9 10 (4.83%) Blockchain Engineer
9 10 (4.83%) Ruby Developer
9 10 (4.83%) Technical Leader
10 8 (3.86%) Consultant
Libraries, Frameworks & Software Standards
1 47 (22.71%) AngularJS
2 41 (19.81%) REST
3 32 (15.46%) HTML
4 31 (14.98%) HTML5
4 31 (14.98%) Spring
5 29 (14.01%) SOAP
6 28 (13.53%) CSS
6 28 (13.53%) Spring Boot
7 26 (12.56%) OAuth
7 26 (12.56%) OAuth2
8 22 (10.63%) Dropwizard
9 20 (9.66%) RabbitMQ
10 17 (8.21%) Guice
11 16 (7.73%) Ember.js
11 16 (7.73%) Ratpack
12 14 (6.76%) React
13 10 (4.83%) JMS
13 10 (4.83%) Ruby on Rails
14 9 (4.35%) Akka
15 8 (3.86%) WireMock
Miscellaneous
1 21 (10.14%) Device Driver
2 15 (7.25%) Fintech
3 14 (6.76%) Greenfield Project
4 10 (4.83%) Algorithms
4 10 (4.83%) Credit Risk
5 7 (3.38%) Analytical Skills
6 4 (1.93%) Data Centre
6 4 (1.93%) Data Structures
6 4 (1.93%) Foreign Exchange (FX)
6 4 (1.93%) Mobile App
7 3 (1.45%) Derivative
7 3 (1.45%) Linux Command Line
7 3 (1.45%) Public Cloud
8 2 (0.97%) Cloud Native
8 2 (0.97%) Computer Science
8 2 (0.97%) Fixed Income
8 2 (0.97%) iPad
8 2 (0.97%) Online Games
9 1 (0.48%) Anti-Piracy
9 1 (0.48%) Hybrid Cloud
Operating Systems
1 87 (42.03%) Linux
2 22 (10.63%) CentOS
2 22 (10.63%) Ubuntu
3 9 (4.35%) Unix
4 7 (3.38%) Red Hat Enterprise Linux
5 2 (0.97%) CoreOS
Processes & Methodologies
1 96 (46.38%) Agile Software Development
2 66 (31.88%) DevOps
3 49 (23.67%) TDD
4 48 (23.19%) Microservices
5 26 (12.56%) OWASP
6 24 (11.59%) BDD
7 23 (11.11%) High Availability
7 23 (11.11%) Site Reliability Engineering
7 23 (11.11%) Software Engineering
8 21 (10.14%) Immutable Infrastructure
9 19 (9.18%) Data Science
10 18 (8.70%) ETL
11 16 (7.73%) Continuous Integration
11 16 (7.73%) Domain-Driven Design
11 16 (7.73%) Functional Programming
12 15 (7.25%) Scrum
13 14 (6.76%) Analytics
14 13 (6.28%) Low Latency
14 13 (6.28%) Machine Learning
15 12 (5.80%) Test Automation
Programming Languages
1 130 (62.80%) Java
2 77 (37.20%) Java 8
3 75 (36.23%) Python
4 47 (22.71%) Scala
5 36 (17.39%) JavaScript
6 29 (14.01%) ES6
6 29 (14.01%) SQL
7 27 (13.04%) Bash Shell
8 21 (10.14%) Go
9 19 (9.18%) TypeScript
10 10 (4.83%) Groovy
10 10 (4.83%) Ruby
11 9 (4.35%) MATLAB
11 9 (4.35%) R
12 4 (1.93%) Kotlin
12 4 (1.93%) Shell Script
13 3 (1.45%) C#
13 3 (1.45%) C++
13 3 (1.45%) Clojure
13 3 (1.45%) PL/SQL
Qualifications
1 8 (3.86%) Security Cleared
2 6 (2.90%) SC Cleared
3 3 (1.45%) PhD
4 2 (0.97%) Degree
4 2 (0.97%) DV Cleared
5 1 (0.48%) Computer Science Degree
5 1 (0.48%) Master's Degree
5 1 (0.48%) TOGAF Certification
Quality Assurance & Compliance
1 7 (3.38%) Data Quality
2 6 (2.90%) QA
3 3 (1.45%) GCP
4 2 (0.97%) Disclosure Scotland
5 1 (0.48%) GDPR
5 1 (0.48%) SLA
System Software
1 98 (47.34%) Docker
2 16 (7.73%) Apache Flume
3 13 (6.28%) HDFS
4 12 (5.80%) Apache ZooKeeper
5 7 (3.38%) Active Directory
Systems Management
1 52 (25.12%) Kubernetes
2 23 (11.11%) Prometheus
3 21 (10.14%) Grafana
3 21 (10.14%) Icinga
3 21 (10.14%) Nagios
4 16 (7.73%) Docker Swarm
5 15 (7.25%) Hadoop YARN
6 13 (6.28%) Ansible
7 12 (5.80%) Oozie
8 11 (5.31%) Mesos
9 10 (4.83%) Marathon
10 7 (3.38%) Ambari
10 7 (3.38%) Apache Slider
10 7 (3.38%) Terraform
11 5 (2.42%) Puppet
12 3 (1.45%) Consul
12 3 (1.45%) Kibana
13 2 (0.97%) logstash
13 2 (0.97%) Opscode Chef
13 2 (0.97%) rkt
Vendors
1 39 (18.84%) Google
2 23 (11.11%) Red Hat
3 18 (8.70%) Hortonworks
4 12 (5.80%) Oracle
5 11 (5.31%) Cloudera
6 7 (3.38%) Tableau
7 4 (1.93%) IBM
7 4 (1.93%) Informatica
7 4 (1.93%) Splunk
7 4 (1.93%) Talend
7 4 (1.93%) TIBCO
8 3 (1.45%) Ab Initio
8 3 (1.45%) FXall
8 3 (1.45%) Reuters
9 2 (0.97%) Alteryx
9 2 (0.97%) MapR
9 2 (0.97%) Microsoft
10 1 (0.48%) Omniture