Period
to 17 October 2021

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 17 October 2021 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
17 Oct 2021
Same period 2020 Same period 2019
Rank 66 61 60
Rank change year-on-year -5 -1 +12
Contract jobs citing Kafka 130 59 235
As % of all contract jobs advertised in the City of London 3.40% 3.33% 3.94%
As % of the Libraries, Frameworks & Software Standards category 10.10% 11.17% 11.03%
Number of daily rates quoted 89 52 192
10th Percentile £475 £238 £513
25th Percentile £538 £406 £525
Median daily rate (50th Percentile) £613 £541 £577
Median % change year-on-year +13.16% -6.16% +0.30%
75th Percentile £675 £641 £675
90th Percentile £778 £686 £700
Central London median daily rate £613 £550 £575
% change year-on-year +11.36% -4.35% +1.10%

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 1,287 528 2,130
As % of all contract IT jobs advertised in the City of London 33.66% 29.80% 35.71%
Number of daily rates quoted 991 421 1,740
10th Percentile £413 £363 £406
25th Percentile £483 £425 £463
Median daily rate (50th Percentile) £600 £525 £532
Median % change year-on-year +14.29% -1.36% +1.38%
75th Percentile £675 £613 £625
90th Percentile £750 £688 £682
Central London median daily rate £590 £525 £525
% change year-on-year +12.38% - -
Number of hourly rates quoted 8 4 6
10th Percentile £18.78 £26.28 £31.06
25th Percentile £24.25 £30.44 £41.23
Median hourly rate £35.75 £35.50 £46.85
Median % change year-on-year +0.70% -24.22% +73.51%
75th Percentile £45.25 £38.69 £53.91
90th Percentile £68.43 £39.48 £60.25
Central London median hourly rate £35.00 £35.50 £46.85
% change year-on-year -1.41% -24.22% +73.51%

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 17 October 2021.

Daily rate histogram for Kafka in the City of London

For the 6 months to 17 October 2021, 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 97 (74.62%) Java
2 72 (55.38%) Microservices
3 55 (42.31%) Agile Software Development
4 52 (40.00%) AWS
5 46 (35.38%) Spring
5 46 (35.38%) Spring Boot
6 35 (26.92%) Python
6 35 (26.92%) Kubernetes
7 34 (26.15%) Software Engineering
8 33 (25.38%) SQL
8 33 (25.38%) Apache Spark
8 33 (25.38%) Docker
9 31 (23.85%) NoSQL
10 28 (21.54%) Finance
11 26 (20.00%) DevOps
12 25 (19.23%) TDD
12 25 (19.23%) Oracle
13 24 (18.46%) Scrum
13 24 (18.46%) Scala
14 21 (16.15%) REST
15 20 (15.38%) Jenkins
16 19 (14.62%) MongoDB
17 18 (13.85%) Big Data
17 18 (13.85%) Social Skills
18 16 (12.31%) Confluent
18 16 (12.31%) BDD
18 16 (12.31%) Banking
19 15 (11.54%) Continuous Integration
19 15 (11.54%) Greenfield Project
20 14 (10.77%) Data Engineering

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 33 (25.38%) Apache Spark
2 11 (8.46%) Apache
3 7 (5.38%) Apache Airflow
4 4 (3.08%) Elasticsearch
5 2 (1.54%) Confluence
5 2 (1.54%) Oracle Coherence
6 1 (0.77%) Mule
6 1 (0.77%) Mule ESB
6 1 (0.77%) nginx
6 1 (0.77%) Oracle SOA Suite
6 1 (0.77%) Tomcat
6 1 (0.77%) WebLogic
Applications
1 1 (0.77%) Microsoft Excel
1 1 (0.77%) Microsoft Project
Business Applications
1 1 (0.77%) FINCAD Analytics
1 1 (0.77%) IBM Operational Decision Manager
Cloud Services
1 52 (40.00%) AWS
2 11 (8.46%) Azure
3 10 (7.69%) GCP
4 7 (5.38%) Serverless
5 5 (3.85%) AWS Lambda
6 4 (3.08%) GitHub
6 4 (3.08%) SaaS
7 3 (2.31%) Amazon EC2
7 3 (2.31%) Amazon Kinesis
7 3 (2.31%) Amazon SQS
8 2 (1.54%) Amazon EMR
8 2 (1.54%) AWS CloudFormation
8 2 (1.54%) OpenShift
8 2 (1.54%) Snowflake
9 1 (0.77%) Amazon EKS
9 1 (0.77%) Apigee
9 1 (0.77%) Datadog
9 1 (0.77%) Kong
Communications & Networking
1 13 (10.00%) HTTP
2 11 (8.46%) HTTPS
3 1 (0.77%) Internet
3 1 (0.77%) Kerberos
3 1 (0.77%) SIGTRAN
3 1 (0.77%) SMPP
3 1 (0.77%) SMS
3 1 (0.77%) SS7
3 1 (0.77%) Wireshark
Database & Business Intelligence
1 31 (23.85%) NoSQL
2 19 (14.62%) MongoDB
3 18 (13.85%) Big Data
4 14 (10.77%) Hadoop
5 13 (10.00%) Relational Database
5 13 (10.00%) SQL Server
6 9 (6.92%) PostgreSQL
7 8 (6.15%) Apache Hive
7 8 (6.15%) RDBMS
7 8 (6.15%) Redis
8 7 (5.38%) Apache Cassandra
8 7 (5.38%) Hazelcast
9 6 (4.62%) Couchbase
10 5 (3.85%) Data Lake
10 5 (3.85%) Flink
11 4 (3.08%) Amazon Redshift
11 4 (3.08%) HBase
11 4 (3.08%) Impala
11 4 (3.08%) Oracle Database
11 4 (3.08%) Presto
Development Applications
1 20 (15.38%) Jenkins
2 13 (10.00%) JIRA
3 11 (8.46%) Git (software)
4 10 (7.69%) Maven
5 5 (3.85%) TeamCity
6 4 (3.08%) IBM UrbanCode
7 3 (2.31%) Cucumber
7 3 (2.31%) JUnit
7 3 (2.31%) Mockito
7 3 (2.31%) Selenium
8 2 (1.54%) Atlassian Bamboo
8 2 (1.54%) CircleCI
8 2 (1.54%) Gatling
8 2 (1.54%) GitLab
8 2 (1.54%) GoCD
8 2 (1.54%) JMeter
8 2 (1.54%) REST Assured
8 2 (1.54%) Robot Framework
9 1 (0.77%) SonarQube
9 1 (0.77%) Sonatype Nexus
General
1 28 (21.54%) Finance
2 18 (13.85%) Social Skills
3 16 (12.31%) Banking
4 5 (3.85%) Investment Banking
5 4 (3.08%) Analytical Skills
6 3 (2.31%) Front Office
6 3 (2.31%) Retail
7 2 (1.54%) Financial Institution
7 2 (1.54%) Influencing Skills
7 2 (1.54%) Legal
7 2 (1.54%) Marketing
7 2 (1.54%) Presentation Skills
8 1 (0.77%) Organisational Skills
Job Titles
1 58 (44.62%) Developer
2 44 (33.85%) Java Developer
3 24 (18.46%) Java Engineer
4 23 (17.69%) Data Engineer
5 16 (12.31%) Architect
6 15 (11.54%) Senior Java Engineer
7 12 (9.23%) Software Engineer
8 11 (8.46%) Java Software Engineer
8 11 (8.46%) Senior Java Software Engineer
8 11 (8.46%) Senior Software Engineer
9 8 (6.15%) Python Developer
9 8 (6.15%) Senior Developer
9 8 (6.15%) Senior Java Developer
9 8 (6.15%) Solutions Architect
10 6 (4.62%) Python Engineer
10 6 (4.62%) Senior Data Engineer
11 4 (3.08%) AWS Engineer
11 4 (3.08%) Investment Banking Java Developer
11 4 (3.08%) Scala Developer
12 3 (2.31%) Software Developer
Libraries, Frameworks & Software Standards
1 46 (35.38%) Spring
1 46 (35.38%) Spring Boot
2 21 (16.15%) REST
3 12 (9.23%) RESTful
4 11 (8.46%) JMS
4 11 (8.46%) SOAP
5 9 (6.92%) React
6 8 (6.15%) Node.js
7 7 (5.38%) Web Services
8 5 (3.85%) .NET
8 5 (3.85%) Akka
8 5 (3.85%) Apache Avro
8 5 (3.85%) JSON
8 5 (3.85%) Spark Streaming
9 4 (3.08%) JDBC
10 3 (2.31%) .NET Core
10 3 (2.31%) AngularJS
10 3 (2.31%) OAuth
10 3 (2.31%) Play Framework
10 3 (2.31%) XML
Miscellaneous
1 15 (11.54%) Greenfield Project
2 12 (9.23%) Algorithms
3 8 (6.15%) Legacy Systems
3 8 (6.15%) Self-Motivation
4 6 (4.62%) Legacy Applications
5 5 (3.85%) Fixed Income
6 4 (3.08%) Foreign Exchange (FX)
7 3 (2.31%) Enterprise Software
7 3 (2.31%) Reference Data
8 2 (1.54%) Cloud Native
8 2 (1.54%) Data Structures
8 2 (1.54%) Derivative
8 2 (1.54%) Equities
8 2 (1.54%) Hedge funds
8 2 (1.54%) Market Risk
8 2 (1.54%) Public Cloud
8 2 (1.54%) User Experience
9 1 (0.77%) Credit Risk
9 1 (0.77%) Linux Command Line
9 1 (0.77%) Social Media
Operating Systems
1 3 (2.31%) VMS
2 2 (1.54%) Linux
2 2 (1.54%) Unix
3 1 (0.77%) Android
Processes & Methodologies
1 72 (55.38%) Microservices
2 55 (42.31%) Agile Software Development
3 34 (26.15%) Software Engineering
4 26 (20.00%) DevOps
5 25 (19.23%) TDD
6 24 (18.46%) Scrum
7 16 (12.31%) BDD
8 15 (11.54%) Continuous Integration
9 14 (10.77%) Data Engineering
9 14 (10.77%) Test Automation
10 13 (10.00%) Data Pipeline
10 13 (10.00%) Pair Programming
10 13 (10.00%) Technology Roadmap
11 12 (9.23%) Data Science
12 10 (7.69%) ETL
13 9 (6.92%) E-Commerce
13 9 (6.92%) Migration
14 8 (6.15%) Data Modelling
14 8 (6.15%) Data Protection
14 8 (6.15%) OO
Programming Languages
1 97 (74.62%) Java
2 35 (26.92%) Python
3 33 (25.38%) SQL
4 24 (18.46%) Scala
5 9 (6.92%) Java 8
6 5 (3.85%) C
6 5 (3.85%) Java 11
6 5 (3.85%) Kotlin
7 4 (3.08%) C++
8 3 (2.31%) JavaScript
9 2 (1.54%) Perl
10 1 (0.77%) C#
10 1 (0.77%) CQL
10 1 (0.77%) Go
10 1 (0.77%) PL/SQL
10 1 (0.77%) TypeScript
10 1 (0.77%) VBA
Qualifications
1 3 (2.31%) Degree
1 3 (2.31%) Security Cleared
2 2 (1.54%) SC Cleared
3 1 (0.77%) Computer Science Degree
3 1 (0.77%) DV Cleared
Quality Assurance & Compliance
1 3 (2.31%) Data Quality
2 2 (1.54%) GDPR
2 2 (1.54%) QA
System Software
1 33 (25.38%) Docker
2 2 (1.54%) HDFS
3 1 (0.77%) Apache ZooKeeper
Systems Management
1 35 (26.92%) Kubernetes
2 13 (10.00%) Terraform
3 3 (2.31%) Ansible
4 2 (1.54%) Opscode Chef
4 2 (1.54%) Puppet
Vendors
1 25 (19.23%) Oracle
2 16 (12.31%) Confluent
3 8 (6.15%) IBM
4 3 (2.31%) Google
5 2 (1.54%) Cloudera
5 2 (1.54%) Dynatrace
5 2 (1.54%) hybris
5 2 (1.54%) Splunk
6 1 (0.77%) Ab Initio
6 1 (0.77%) Databricks
6 1 (0.77%) MapR
6 1 (0.77%) Mavenir
6 1 (0.77%) Microsoft
6 1 (0.77%) Salesforce Marketing Cloud
6 1 (0.77%) Salesforce.com
6 1 (0.77%) Solace
6 1 (0.77%) Sybase