Period
to 11 April 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Docker skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Docker over the 6 months to 11 April 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.

Docker
Central London > City of London
6 months to
11 Apr 2021
Same period 2020 Same period 2019
Rank 20 24 17
Rank change year-on-year +4 -7 +17
Contract jobs citing Docker 185 260 593
As % of all contract jobs advertised in the City of London 7.65% 6.44% 8.71%
As % of the System Software category 46.37% 47.27% 47.59%
Number of daily rates quoted 163 224 452
10th Percentile £425 £450 £456
25th Percentile £463 £500 £500
Median daily rate (50th Percentile) £550 £575 £575
Median % change year-on-year -4.35% - +4.55%
75th Percentile £638 £638 £638
90th Percentile £688 £675 £675
Central London median daily rate £550 £568 £550
% change year-on-year -3.17% +3.27% -

Docker is in the System Software 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 system software skills.

All System Software Skills
City of London
Contract vacancies with a requirement for system software skills 399 550 1,246
As % of all contract IT jobs advertised in the City of London 16.50% 13.62% 18.31%
Number of daily rates quoted 276 437 941
10th Percentile £319 £205 £178
25th Percentile £442 £406 £381
Median daily rate (50th Percentile) £523 £525 £500
Median % change year-on-year -0.48% +5.00% -
75th Percentile £600 £602 £588
90th Percentile £688 £654 £650
Central London median daily rate £525 £500 £525
% change year-on-year +5.00% -4.76% +5.00%
Number of hourly rates quoted 2 13 17
Median hourly rate £23.00 £13.44 £16.60
Median % change year-on-year +71.13% -19.04% -3.77%
Central London median hourly rate £21.50 £18.00 £18.70
% change year-on-year +19.44% -3.74% +8.41%

Docker
Job Vacancy Trend in the City of London

Job postings citing Docker as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Docker in the City of London

Docker
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Docker in the City of London

Docker
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Docker in the City of London over the 6 months to 11 April 2021.

Daily rate histogram for Docker in the City of London

For the 6 months to 11 April 2021, IT contractor jobs citing Docker 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 Docker.

1 108 (58.38%) DevOps
2 106 (57.30%) Kubernetes
3 79 (42.70%) Java
4 71 (38.38%) AWS
5 69 (37.30%) TDD
6 64 (34.59%) Agile Software Development
7 61 (32.97%) Git (software)
8 57 (30.81%) Jenkins
9 56 (30.27%) Azure
10 53 (28.65%) Microservices
11 48 (25.95%) Spring
12 43 (23.24%) JavaScript
13 39 (21.08%) Python
14 38 (20.54%) Spring Boot
14 38 (20.54%) Terraform
15 37 (20.00%) Banking
16 35 (18.92%) Node.js
17 32 (17.30%) Linux
17 32 (17.30%) Finance
18 31 (16.76%) Ansible
19 29 (15.68%) Web Services
20 28 (15.14%) Software Engineering
20 28 (15.14%) Security Cleared
21 27 (14.59%) MVC
22 25 (13.51%) SC Cleared
23 24 (12.97%) AngularJS
24 23 (12.43%) Kafka
24 23 (12.43%) CSS
24 23 (12.43%) HTML
25 21 (11.35%) GitHub

Docker
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 8 (4.32%) Elasticsearch
1 8 (4.32%) nginx
2 4 (2.16%) Apache Airflow
2 4 (2.16%) Cloud Foundry
3 2 (1.08%) Apache
3 2 (1.08%) Appian
3 2 (1.08%) Camunda
3 2 (1.08%) Confluence
3 2 (1.08%) IIS
3 2 (1.08%) Mule
4 1 (0.54%) Adobe Experience Manager
4 1 (0.54%) Apache Solr
4 1 (0.54%) Apache Spark
4 1 (0.54%) JBoss
4 1 (0.54%) Jupyter
4 1 (0.54%) OpenStack
4 1 (0.54%) Red Hat Fuse
4 1 (0.54%) uWSGI
4 1 (0.54%) WebSphere
Business Applications
1 3 (1.62%) Distributed Ledger
Cloud Services
1 71 (38.38%) AWS
2 56 (30.27%) Azure
3 21 (11.35%) GitHub
4 17 (9.19%) GCP
5 10 (5.41%) Amazon S3
5 10 (5.41%) AWS CloudFormation
6 8 (4.32%) Amazon ECS
6 8 (4.32%) OpenShift
6 8 (4.32%) SaaS
7 7 (3.78%) AWS Lambda
7 7 (3.78%) Serverless
8 5 (2.70%) Virtual Private Cloud
9 4 (2.16%) Amazon SQS
9 4 (2.16%) npm
10 3 (1.62%) Amazon EC2
10 3 (1.62%) Amazon EKS
10 3 (1.62%) Cloud Computing
10 3 (1.62%) CloudFront
10 3 (1.62%) Datadog
10 3 (1.62%) PaaS
Communications & Networking
1 4 (2.16%) TCP/IP
2 2 (1.08%) Cisco ASA
2 2 (1.08%) DNS
2 2 (1.08%) F5 BIG-IP GTM
2 2 (1.08%) F5 BIG-IP LTM
2 2 (1.08%) Firewall
2 2 (1.08%) FTP
2 2 (1.08%) HTTP
2 2 (1.08%) Network Security
2 2 (1.08%) SSL
2 2 (1.08%) Wi-Fi
2 2 (1.08%) Wireless
3 1 (0.54%) Cisco IOS
3 1 (0.54%) Cisco Nexus
3 1 (0.54%) Cisco Wireless
3 1 (0.54%) Multicast
3 1 (0.54%) NX-OS
3 1 (0.54%) Sourcefire
3 1 (0.54%) VXLAN
3 1 (0.54%) Wireshark
Database & Business Intelligence
1 9 (4.86%) MongoDB
2 8 (4.32%) NoSQL
3 7 (3.78%) Big Data
4 6 (3.24%) PostgreSQL
4 6 (3.24%) SQL Server
5 4 (2.16%) Amazon RDS
6 3 (1.62%) Blockchain
6 3 (1.62%) Data Warehouse
6 3 (1.62%) MySQL
6 3 (1.62%) Redis
6 3 (1.62%) Relational Database
7 2 (1.08%) Hadoop
7 2 (1.08%) Snowflake Schema
8 1 (0.54%) Amazon QuickSight
8 1 (0.54%) Apache Cassandra
8 1 (0.54%) Apache Hive
8 1 (0.54%) Data Lake
8 1 (0.54%) Power BI
8 1 (0.54%) RDBMS
8 1 (0.54%) Sisense
Development Applications
1 61 (32.97%) Git (software)
2 57 (30.81%) Jenkins
3 16 (8.65%) Maven
4 10 (5.41%) JUnit
5 9 (4.86%) Mockito
6 8 (4.32%) Atlassian Bamboo
6 8 (4.32%) GitLab
7 7 (3.78%) Artifactory
7 7 (3.78%) Cucumber
7 7 (3.78%) JIRA
7 7 (3.78%) webpack
8 6 (3.24%) Bitbucket
9 5 (2.70%) Selenium
9 5 (2.70%) SonarQube
10 4 (2.16%) CircleCI
10 4 (2.16%) Gradle
10 4 (2.16%) Subversion
11 3 (1.62%) Gerrit
11 3 (1.62%) TeamCity
11 3 (1.62%) Vagrant
General
1 37 (20.00%) Banking
2 32 (17.30%) Finance
3 12 (6.49%) Investment Banking
4 10 (5.41%) Retail
5 9 (4.86%) Front Office
6 5 (2.70%) Public Sector
7 2 (1.08%) Financial Institution
8 1 (0.54%) Aerospace
8 1 (0.54%) Telecoms
Job Titles
1 112 (60.54%) Developer
2 49 (26.49%) Java Developer
3 24 (12.97%) DevOps Engineer
4 22 (11.89%) Backend Developer
5 17 (9.19%) Senior Developer
6 16 (8.65%) PHP Developer
7 14 (7.57%) Senior Java Developer
8 10 (5.41%) Node.js Developer
9 9 (4.86%) AWS DevOps
9 9 (4.86%) Data Engineer
10 8 (4.32%) AWS Engineer
10 8 (4.32%) Ruby Developer
11 7 (3.78%) DevOps Developer
12 6 (3.24%) Agile Developer
12 6 (3.24%) Agile Java Developer
12 6 (3.24%) Python Developer
13 5 (2.70%) Azure DevOps
13 5 (2.70%) Site Engineer
13 5 (2.70%) Site Reliability Engineer
13 5 (2.70%) Software Engineer
Libraries, Frameworks & Software Standards
1 48 (25.95%) Spring
2 38 (20.54%) Spring Boot
3 35 (18.92%) Node.js
4 29 (15.68%) Web Services
5 24 (12.97%) AngularJS
6 23 (12.43%) CSS
6 23 (12.43%) HTML
6 23 (12.43%) Kafka
7 19 (10.27%) HTML5
7 19 (10.27%) Sass
8 18 (9.73%) CSS3
8 18 (9.73%) LESS
8 18 (9.73%) Vue.js
9 17 (9.19%) Laravel
9 17 (9.19%) React
9 17 (9.19%) Vuetify.js
10 10 (5.41%) REST
11 9 (4.86%) Ruby on Rails
12 7 (3.78%) Hibernate
13 6 (3.24%) Elastic Stack
Miscellaneous
1 11 (5.95%) Credit Risk
2 9 (4.86%) Grid Computing
2 9 (4.86%) Market Risk
3 5 (2.70%) Self-Motivation
4 3 (1.62%) Enterprise Software
4 3 (1.62%) Fixed Income
4 3 (1.62%) Greenfield Project
5 2 (1.08%) Algorithms
5 2 (1.08%) Analytical Skills
5 2 (1.08%) Mobile App
5 2 (1.08%) Renewable Energy
6 1 (0.54%) Blog
6 1 (0.54%) Data Centre
6 1 (0.54%) NHS
6 1 (0.54%) Private Cloud
6 1 (0.54%) User Experience
Operating Systems
1 32 (17.30%) Linux
2 14 (7.57%) Unix
3 7 (3.78%) Windows
4 5 (2.70%) Ubuntu
5 3 (1.62%) CentOS
6 2 (1.08%) Android
7 1 (0.54%) Apple iOS
7 1 (0.54%) Debian
7 1 (0.54%) Red Hat Enterprise Linux
Processes & Methodologies
1 108 (58.38%) DevOps
2 69 (37.30%) TDD
3 64 (34.59%) Agile Software Development
4 53 (28.65%) Microservices
5 28 (15.14%) Software Engineering
6 27 (14.59%) MVC
7 20 (10.81%) Scrum
8 16 (8.65%) Migration
9 15 (8.11%) Configuration Management
10 13 (7.03%) Infrastructure as Code
11 12 (6.49%) BDD
11 12 (6.49%) OWASP
11 12 (6.49%) Web Development
12 11 (5.95%) Low Latency
12 11 (5.95%) Unit Testing
13 10 (5.41%) Continuous Integration
13 10 (5.41%) Data Analysis
13 10 (5.41%) Visualisation
14 9 (4.86%) Mentoring
14 9 (4.86%) Risk Management
Programming Languages
1 79 (42.70%) Java
2 43 (23.24%) JavaScript
3 39 (21.08%) Python
4 19 (10.27%) Ruby
5 18 (9.73%) Java 8
5 18 (9.73%) PHP
6 16 (8.65%) SQL
7 12 (6.49%) Go
8 11 (5.95%) TypeScript
9 10 (5.41%) Bash Shell
10 6 (3.24%) C#
11 5 (2.70%) Scala
12 4 (2.16%) ES6
13 3 (1.62%) Perl
13 3 (1.62%) PowerShell
14 2 (1.08%) AWK
14 2 (1.08%) C++
14 2 (1.08%) Groovy
14 2 (1.08%) Kotlin
14 2 (1.08%) PL/SQL
Qualifications
1 28 (15.14%) Security Cleared
2 25 (13.51%) SC Cleared
3 2 (1.08%) DV Cleared
4 1 (0.54%) AWS Certification
4 1 (0.54%) CCNA
4 1 (0.54%) CCNP
4 1 (0.54%) Cisco Certification
4 1 (0.54%) ISEB
4 1 (0.54%) ISTQB
Quality Assurance & Compliance
1 2 (1.08%) QA
2 1 (0.54%) SLA
System Software
1 3 (1.62%) VMware Infrastructure
2 2 (1.08%) Apache ZooKeeper
2 2 (1.08%) VirtualBox
3 1 (0.54%) Virtual Machines
3 1 (0.54%) VMware NSX
3 1 (0.54%) vSphere
Systems Management
1 106 (57.30%) Kubernetes
2 38 (20.54%) Terraform
3 31 (16.76%) Ansible
4 15 (8.11%) Puppet
5 11 (5.95%) Opscode Chef
6 6 (3.24%) Salt
7 4 (2.16%) Grafana
7 4 (2.16%) Prometheus
8 3 (1.62%) Consul
8 3 (1.62%) HP Fortify
9 2 (1.08%) Docker Swarm
10 1 (0.54%) Cisco CUCM
10 1 (0.54%) Cisco Prime
10 1 (0.54%) Icinga
10 1 (0.54%) ITRS Geneos
10 1 (0.54%) logstash
10 1 (0.54%) Pingdom
10 1 (0.54%) Rundeck
10 1 (0.54%) SolarWinds Orion
10 1 (0.54%) vRealize
Vendors
1 11 (5.95%) MuleSoft
2 9 (4.86%) Oracle
3 6 (3.24%) Microsoft
4 5 (2.70%) Google
5 4 (2.16%) VMware
6 2 (1.08%) AppDynamics
6 2 (1.08%) Atlassian
6 2 (1.08%) Cisco
6 2 (1.08%) Databricks
6 2 (1.08%) F5
6 2 (1.08%) Hortonworks
6 2 (1.08%) Micro Focus
6 2 (1.08%) Palo Alto
6 2 (1.08%) Red Hat
6 2 (1.08%) RedGate
6 2 (1.08%) SolarWinds
6 2 (1.08%) Splunk
6 2 (1.08%) Sybase
7 1 (0.54%) PagerDuty
7 1 (0.54%) SaltStack