Period
to 30 October 2020

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 30 October 2020 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
30 Oct 2020
Same period 2019 Same period 2018
Rank 52 60 71
Rank change year-on-year +8 +11 +55
Contract jobs citing Kafka 64 232 244
As % of all contract jobs advertised in the City of London 3.54% 3.89% 3.47%
As % of the Libraries, Frameworks & Software Standards category 11.94% 10.81% 8.68%
Number of daily rates quoted 54 190 218
Median daily rate £541 £577 £575
Median daily rate % change year-on-year -6.16% +0.30% +4.55%
10th Percentile £238 £513 £463
90th Percentile £688 £710 £696
Central London median daily rate £545 £575 £575
% change year-on-year -5.22% - +4.55%
Number of hourly rates quoted 1 0 0
Median hourly rate £35.00 - -
Central London median hourly rate £35.00 - -

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 536 2,146 2,812
As % of all contract IT jobs advertised in the City of London 29.63% 35.95% 39.96%
Number of daily rates quoted 396 1,757 2,346
Median daily rate £525 £538 £525
Median daily rate % change year-on-year -2.33% +2.38% +2.44%
10th Percentile £353 £406 £400
90th Percentile £688 £675 £675
Central London median daily rate £525 £525 £525
Number of hourly rates quoted 5 6 6
Median hourly rate £35.00 £46.85 £22.00
Median hourly rate % change year-on-year -25.29% +112.94% +2.33%
10th Percentile £28.10 £31.06 £16.65
90th Percentile £39.30 £60.25 £72.25
Median hourly rate £35.00 £44.57 £22.00
% change year-on-year -21.46% +102.57% +2.33%

Kafka
Job Vacancy Trend in the City of London

Job postings citing Kafka as a proportion 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

3-month moving average daily rate quoted in jobs citing Kafka in the City of London.

Daily rate trend for Kafka in the City of London

Kafka
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Kafka in the City of London over the 6 months to 30 October 2020.

Daily rate histogram for Kafka in the City of London

For the 6 months to 30 October 2020, 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 49 (76.56%) Java
2 27 (42.19%) Jenkins
2 27 (42.19%) Microservices
2 27 (42.19%) Kubernetes
3 26 (40.63%) Python
4 23 (35.94%) Spring
5 22 (34.38%) Agile Software Development
6 19 (29.69%) Spring Boot
6 19 (29.69%) AWS
7 18 (28.13%) Java 8
8 17 (26.56%) SQL
9 16 (25.00%) Finance
9 16 (25.00%) NoSQL
10 15 (23.44%) REST
10 15 (23.44%) Docker
10 15 (23.44%) JavaScript
11 13 (20.31%) Git (software)
12 12 (18.75%) PL/SQL
13 11 (17.19%) Web Services
13 11 (17.19%) Linux
13 11 (17.19%) Banking
13 11 (17.19%) Elasticsearch
14 10 (15.63%) TDD
14 10 (15.63%) PostgreSQL
15 9 (14.06%) Artificial Intelligence
15 9 (14.06%) Software Engineering
15 9 (14.06%) Continuous Integration
15 9 (14.06%) Perl
15 9 (14.06%) Azure
15 9 (14.06%) Apache Spark

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 11 (17.19%) Elasticsearch
2 9 (14.06%) Apache Spark
3 4 (6.25%) Confluence
4 3 (4.69%) Apache Airflow
5 2 (3.13%) Apache
6 1 (1.56%) Jupyter
Applications
1 1 (1.56%) Chatbot
Cloud Services
1 19 (29.69%) AWS
2 9 (14.06%) Azure
3 8 (12.50%) SaaS
4 7 (10.94%) PaaS
5 6 (9.38%) AWS CloudFormation
6 5 (7.81%) Amazon EC2
7 4 (6.25%) Amazon ECS
7 4 (6.25%) Amazon ElastiCache
7 4 (6.25%) Amazon Kinesis
7 4 (6.25%) GCP
8 2 (3.13%) AWS CodePipeline
8 2 (3.13%) GitHub
8 2 (3.13%) Serverless
9 1 (1.56%) Apigee
9 1 (1.56%) AWS Elastic Beanstalk
9 1 (1.56%) Cloud Computing
9 1 (1.56%) Kong
9 1 (1.56%) Logic Apps
9 1 (1.56%) OpenShift
Communications & Networking
1 8 (12.50%) Firewall
2 6 (9.38%) TCP/IP
3 5 (7.81%) BGP
3 5 (7.81%) Internet
3 5 (7.81%) MPLS
3 5 (7.81%) SNMP
4 2 (3.13%) DSL
4 2 (3.13%) HTTP
4 2 (3.13%) SSL
5 1 (1.56%) DNS
5 1 (1.56%) FTP
5 1 (1.56%) Kerberos
5 1 (1.56%) Wireless
Database & Business Intelligence
1 16 (25.00%) NoSQL
2 10 (15.63%) PostgreSQL
3 9 (14.06%) Relational Database
4 8 (12.50%) Data Warehouse
4 8 (12.50%) Neo4j
5 7 (10.94%) Apache Cassandra
6 5 (7.81%) Big Data
6 5 (7.81%) Hadoop
6 5 (7.81%) RDBMS
7 4 (6.25%) MongoDB
7 4 (6.25%) MySQL
7 4 (6.25%) Oracle Database
7 4 (6.25%) Oracle Database 11g
8 3 (4.69%) HBase
9 2 (3.13%) Amazon Aurora
9 2 (3.13%) Apache Hive
9 2 (3.13%) Flink
9 2 (3.13%) Redis
9 2 (3.13%) Snowflake Schema
9 2 (3.13%) SQL Server
Development Applications
1 27 (42.19%) Jenkins
2 13 (20.31%) Git (software)
3 8 (12.50%) Maven
4 4 (6.25%) Cucumber
4 4 (6.25%) Gradle
4 4 (6.25%) JIRA
5 3 (4.69%) GitLab
5 3 (4.69%) gulp
5 3 (4.69%) Selenium
6 2 (3.13%) Gatling
6 2 (3.13%) Grunt
6 2 (3.13%) Hudson
6 2 (3.13%) JUnit
6 2 (3.13%) Liquibase
7 1 (1.56%) Artifactory
7 1 (1.56%) Geb
7 1 (1.56%) Mocha
7 1 (1.56%) Mockito
7 1 (1.56%) PyUnit
7 1 (1.56%) Spock
General
1 16 (25.00%) Finance
2 11 (17.19%) Banking
3 3 (4.69%) Front Office
3 3 (4.69%) Retail
4 2 (3.13%) Electronics
4 2 (3.13%) Investment Banking
5 1 (1.56%) Financial Institution
5 1 (1.56%) Games
5 1 (1.56%) Law
5 1 (1.56%) Marketing
Job Titles
1 40 (62.50%) Developer
2 22 (34.38%) Java Developer
3 7 (10.94%) Data Engineer
4 6 (9.38%) AWS Developer
4 6 (9.38%) Python Developer
5 5 (7.81%) Architect
5 5 (7.81%) DevOps Engineer
5 5 (7.81%) Full Stack Developer
6 4 (6.25%) Java Engineer
7 3 (4.69%) Backend Developer
7 3 (4.69%) PHP Developer
7 3 (4.69%) Solutions Architect
8 2 (3.13%) Hadoop Consultant
8 2 (3.13%) Infrastructure Consultant
8 2 (3.13%) Integration Developer
8 2 (3.13%) JavaScript Developer
8 2 (3.13%) Network Engineer
8 2 (3.13%) PL/SQL Developer
8 2 (3.13%) React Developer
8 2 (3.13%) SQL Developer
Libraries, Frameworks & Software Standards
1 23 (35.94%) Spring
2 19 (29.69%) Spring Boot
3 15 (23.44%) REST
4 11 (17.19%) Web Services
5 9 (14.06%) Elastic Stack
6 7 (10.94%) AngularJS
6 7 (10.94%) React
7 6 (9.38%) Hibernate
7 6 (9.38%) HTML
7 6 (9.38%) JSON
7 6 (9.38%) Redux
8 5 (7.81%) CORBA
8 5 (7.81%) CSS
8 5 (7.81%) HTML5
9 4 (6.25%) FIX Protocol
9 4 (6.25%) JMS
9 4 (6.25%) Lambda Expressions
9 4 (6.25%) RabbitMQ
10 3 (4.69%) .NET
10 3 (4.69%) Spring Security
Miscellaneous
1 5 (7.81%) Public Cloud
2 4 (6.25%) Algorithms
2 4 (6.25%) Clustering
2 4 (6.25%) Enterprise Software
3 3 (4.69%) Analytical Skills
3 3 (4.69%) Data Structures
3 3 (4.69%) Foreign Exchange (FX)
4 2 (3.13%) Blog
4 2 (3.13%) Self-Motivation
5 1 (1.56%) Derivative
5 1 (1.56%) Equities
5 1 (1.56%) Greenfield Project
5 1 (1.56%) Grid Computing
Operating Systems
1 11 (17.19%) Linux
Processes & Methodologies
1 27 (42.19%) Microservices
2 22 (34.38%) Agile Software Development
3 10 (15.63%) TDD
4 9 (14.06%) Artificial Intelligence
4 9 (14.06%) Continuous Integration
4 9 (14.06%) Software Engineering
5 8 (12.50%) Load Balancing
5 8 (12.50%) OO
6 7 (10.94%) Open Source
6 7 (10.94%) Scrum
7 6 (9.38%) BDD
7 6 (9.38%) Machine Learning
8 5 (7.81%) Data Engineering
8 5 (7.81%) Data Science
8 5 (7.81%) DevOps
8 5 (7.81%) Front End Development
8 5 (7.81%) High Availability
8 5 (7.81%) Investment Management
9 4 (6.25%) Infrastructure as Code
9 4 (6.25%) Multithreaded Programming
Programming Languages
1 49 (76.56%) Java
2 26 (40.63%) Python
3 18 (28.13%) Java 8
4 17 (26.56%) SQL
5 15 (23.44%) JavaScript
6 12 (18.75%) PL/SQL
7 9 (14.06%) Perl
8 8 (12.50%) PHP
9 5 (7.81%) Scala
10 3 (4.69%) Bash Shell
10 3 (4.69%) C#
10 3 (4.69%) Go
11 2 (3.13%) C++
11 2 (3.13%) ES6
11 2 (3.13%) Kotlin
11 2 (3.13%) TypeScript
12 1 (1.56%) Groovy
12 1 (1.56%) Shell Script
Qualifications
1 1 (1.56%) AWS Certification
1 1 (1.56%) SC Cleared
1 1 (1.56%) Security Cleared
1 1 (1.56%) TOGAF Certification
Quality Assurance & Compliance
1 1 (1.56%) MiFID
1 1 (1.56%) QA
System Software
1 15 (23.44%) Docker
2 2 (3.13%) Apache ZooKeeper
2 2 (3.13%) etcd
2 2 (3.13%) Varnish
2 2 (3.13%) zsh
Systems Management
1 27 (42.19%) Kubernetes
2 8 (12.50%) Netcool
3 7 (10.94%) Terraform
4 2 (3.13%) Ansible
4 2 (3.13%) Consul
4 2 (3.13%) Puppet
4 2 (3.13%) Rundeck
4 2 (3.13%) Salt
5 1 (1.56%) Docker Swarm
5 1 (1.56%) Grafana
5 1 (1.56%) Kubeflow
5 1 (1.56%) Prometheus
5 1 (1.56%) Single Sign-On
Vendors
1 8 (12.50%) AppDynamics
1 8 (12.50%) SevOne
2 5 (7.81%) Oracle
3 3 (4.69%) Microsoft
4 2 (3.13%) Databricks
4 2 (3.13%) EMC
4 2 (3.13%) NetApp
4 2 (3.13%) Salesforce.com
4 2 (3.13%) SaltStack
4 2 (3.13%) Splunk
5 1 (1.56%) Atlassian
5 1 (1.56%) Bloomberg
5 1 (1.56%) Cloudera
5 1 (1.56%) Confluent
5 1 (1.56%) Dynatrace
5 1 (1.56%) Hortonworks
5 1 (1.56%) MapR
5 1 (1.56%) MuleSoft
5 1 (1.56%) Sybase