Period
to 8 April 2020

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Maven skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Maven over the 6 months to 8 April 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 Maven
Central London > City of London
6 months to
8 Apr 2020
Same period 2019 Same period 2018
Rank 139 115 100
Rank change year-on-year -24 -15 +36
Contract jobs citing Maven 42 141 183
As % of all contract jobs advertised in the City of London 1.02% 2.06% 2.58%
As % of the Development Applications category 5.93% 10.04% 12.53%
Number of daily rates quoted 30 108 156
Median daily rate £503 £575 £525
Median daily rate % change year-on-year -12.61% +9.52% -
10th Percentile £350 £500 £425
90th Percentile £615 £650 £700
Central London median daily rate £505 £550 £525
% change year-on-year -8.18% +4.76% -
Number of hourly rates quoted 0 0 1
Median hourly rate - - £65.00
Central London median hourly rate - - £65.00

Maven is in the Development Applications 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 development application skills.

All Development Application Skills
City of London
Contract vacancies with a requirement for development application skills 708 1,405 1,461
As % of all contract IT jobs advertised in the City of London 17.13% 20.57% 20.56%
Number of daily rates quoted 535 1,067 1,191
Median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +5.26%
10th Percentile £363 £400 £375
90th Percentile £650 £668 £650
Central London median daily rate £510 £525 £500
% change year-on-year -2.86% +5.00% +7.82%
Number of hourly rates quoted 9 6 4
Median hourly rate £48.50 £45.50 £65.00
Median hourly rate % change year-on-year +6.59% -30.00% -
10th Percentile £35.00 £20.25 £36.25
90th Percentile £62.00 £58.25 £70.67
Median hourly rate £48.50 £45.50 £65.00
% change year-on-year +6.59% -30.00% -

Maven
Job Vacancy Trend in the City of London

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

Job vacancy trend for Maven in the City of London

Maven
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Maven in the City of London

Maven
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Maven in the City of London over the 6 months to 8 April 2020.

Daily rate histogram for Maven in the City of London

For the 6 months to 8 April 2020, IT contractor jobs citing Maven 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 Maven.

1 32 (76.19%) Java
2 25 (59.52%) Jenkins
3 23 (54.76%) Spring
3 23 (54.76%) Agile Software Development
4 18 (42.86%) JUnit
4 18 (42.86%) Web Services
5 16 (38.10%) DevOps
6 13 (30.95%) Docker
6 13 (30.95%) Gradle
6 13 (30.95%) Python
7 12 (28.57%) Continuous Integration
7 12 (28.57%) REST
7 12 (28.57%) Mockito
7 12 (28.57%) Microservices
7 12 (28.57%) Java 8
8 11 (26.19%) Kubernetes
8 11 (26.19%) AWS
8 11 (26.19%) Git (software)
8 11 (26.19%) Linux
9 10 (23.81%) SQL
9 10 (23.81%) Scrum
10 9 (21.43%) Open Source
10 9 (21.43%) JSON
10 9 (21.43%) RxJava
10 9 (21.43%) Spring Boot
11 8 (19.05%) Data Structures
11 8 (19.05%) Big Data
11 8 (19.05%) Multithreading
11 8 (19.05%) Ant
11 8 (19.05%) JavaScript

Maven
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 7 (16.67%) WebLogic
2 6 (14.29%) WebSphere
3 5 (11.90%) Apache Spark
4 4 (9.52%) Elasticsearch
4 4 (9.52%) Tomcat
5 3 (7.14%) Apache Airflow
5 3 (7.14%) Luigi
6 2 (4.76%) Apache
6 2 (4.76%) Confluence
7 1 (2.38%) Camunda
7 1 (2.38%) Skype for Business
Cloud Services
1 11 (26.19%) AWS
2 7 (16.67%) GitHub
3 6 (14.29%) Azure
4 4 (9.52%) GCP
5 2 (4.76%) Apigee
6 1 (2.38%) IaaS
6 1 (2.38%) NuGet
6 1 (2.38%) OpenShift
6 1 (2.38%) PaaS
Communications & Networking
1 6 (14.29%) HTTP
Database & Business Intelligence
1 8 (19.05%) Big Data
2 7 (16.67%) NoSQL
3 6 (14.29%) MySQL
4 5 (11.90%) Hadoop
5 3 (7.14%) Apache Cassandra
5 3 (7.14%) Azkaban
5 3 (7.14%) PostgreSQL
6 2 (4.76%) Oracle Database
6 2 (4.76%) Parquet
6 2 (4.76%) Relational Database
6 2 (4.76%) SQL Server
7 1 (2.38%) BusinessObjects
7 1 (2.38%) MongoDB
7 1 (2.38%) Oracle Database 12c
7 1 (2.38%) Snowflake Schema
7 1 (2.38%) SQL Server Analysis Services
7 1 (2.38%) SQL Server Reporting Services
Development Applications
1 25 (59.52%) Jenkins
2 18 (42.86%) JUnit
3 13 (30.95%) Gradle
4 12 (28.57%) Mockito
5 11 (26.19%) Git (software)
6 8 (19.05%) Ant
7 6 (14.29%) Cucumber
7 6 (14.29%) git-flow
7 6 (14.29%) JMeter
8 4 (9.52%) Artifactory
9 3 (7.14%) GitLab
10 2 (4.76%) Bitbucket
10 2 (4.76%) JIRA
10 2 (4.76%) Selenium
10 2 (4.76%) TeamCity
11 1 (2.38%) GoCD
11 1 (2.38%) Sonatype Nexus
11 1 (2.38%) Subversion
11 1 (2.38%) Team Foundation Server
11 1 (2.38%) WiX
General
1 7 (16.67%) Banking
2 6 (14.29%) Retail
3 4 (9.52%) Finance
4 3 (7.14%) Investment Banking
5 1 (2.38%) Financial Institution
5 1 (2.38%) Front Office
5 1 (2.38%) Pharmaceutical
5 1 (2.38%) Public Sector
Job Titles
1 25 (59.52%) Developer
2 23 (54.76%) Java Developer
3 8 (19.05%) DevOps Engineer
4 4 (9.52%) Data Engineer
4 4 (9.52%) Kubernetes Engineer
5 2 (4.76%) Applications Developer
5 2 (4.76%) Architect
5 2 (4.76%) Backend Developer
5 2 (4.76%) Cloud Engineer
5 2 (4.76%) DevOps Developer
5 2 (4.76%) Java Engineer
5 2 (4.76%) Release Manager
5 2 (4.76%) Solutions Architect
6 1 (2.38%) Administrator
6 1 (2.38%) AWS Developer
6 1 (2.38%) AWS Engineer
6 1 (2.38%) DevOps Administrator
6 1 (2.38%) Digital Architect
6 1 (2.38%) Digital Solutions Architect
6 1 (2.38%) Linux DevOps Engineer
Libraries, Frameworks & Software Standards
1 23 (54.76%) Spring
2 18 (42.86%) Web Services
3 12 (28.57%) REST
4 9 (21.43%) JSON
4 9 (21.43%) RxJava
4 9 (21.43%) Spring Boot
5 8 (19.05%) SOAP
6 7 (16.67%) RESTful
6 7 (16.67%) XML
7 6 (14.29%) CSS
7 6 (14.29%) HTML
7 6 (14.29%) HTML5
7 6 (14.29%) J2EE
8 5 (11.90%) Kafka
9 4 (9.52%) Node.js
10 3 (7.14%) .NET
10 3 (7.14%) AngularJS
10 3 (7.14%) Spark Streaming
10 3 (7.14%) Vert.x
11 2 (4.76%) Java SE
Miscellaneous
1 8 (19.05%) Data Structures
2 6 (14.29%) Enterprise Software
2 6 (14.29%) Mobile App
2 6 (14.29%) Mobile Payment
2 6 (14.29%) User Experience
3 3 (7.14%) Public Cloud
4 2 (4.76%) Credit Risk
4 2 (4.76%) iPad
4 2 (4.76%) Market Risk
4 2 (4.76%) NHS
4 2 (4.76%) PKI
5 1 (2.38%) Cloud Native
5 1 (2.38%) Clustering
5 1 (2.38%) Derivative
5 1 (2.38%) Equities
5 1 (2.38%) Management Information System
5 1 (2.38%) Semantic Web
Operating Systems
1 11 (26.19%) Linux
2 4 (9.52%) Unix
3 2 (4.76%) Red Hat Enterprise Linux
4 1 (2.38%) CentOS
4 1 (2.38%) Windows
4 1 (2.38%) Windows Server
Processes & Methodologies
1 23 (54.76%) Agile Software Development
2 16 (38.10%) DevOps
3 12 (28.57%) Continuous Integration
3 12 (28.57%) Microservices
4 10 (23.81%) Scrum
5 9 (21.43%) Open Source
6 8 (19.05%) Multithreading
7 7 (16.67%) API Development
7 7 (16.67%) Pair Programming
7 7 (16.67%) Thought Leadership
8 6 (14.29%) Multithreaded Programming
8 6 (14.29%) SDLC
9 5 (11.90%) Computer Science
9 5 (11.90%) Waterfall
9 5 (11.90%) Web Development
10 4 (9.52%) Dependency Injection
10 4 (9.52%) Refactoring
10 4 (9.52%) TDD
10 4 (9.52%) Use Case
11 3 (7.14%) Performance Metrics
Programming Languages
1 32 (76.19%) Java
2 13 (30.95%) Python
3 12 (28.57%) Java 8
4 10 (23.81%) SQL
5 8 (19.05%) JavaScript
6 7 (16.67%) Kotlin
7 5 (11.90%) Groovy
8 4 (9.52%) Scala
9 3 (7.14%) AWK
9 3 (7.14%) C++
9 3 (7.14%) sed
10 2 (4.76%) Go
11 1 (2.38%) Bash Shell
11 1 (2.38%) C#
11 1 (2.38%) PL/SQL
11 1 (2.38%) PowerShell
Qualifications
1 6 (14.29%) Degree
2 5 (11.90%) Computer Science Degree
2 5 (11.90%) Security Cleared
3 4 (9.52%) SC Cleared
4 1 (2.38%) CTC Cleared
4 1 (2.38%) Master's Degree
System Software
1 13 (30.95%) Docker
2 1 (2.38%) Active Directory
2 1 (2.38%) Hyper-V
2 1 (2.38%) Virtual Machines
Systems Management
1 11 (26.19%) Kubernetes
2 7 (16.67%) Terraform
3 6 (14.29%) Ansible
4 4 (9.52%) logstash
4 4 (9.52%) Opscode Chef
5 3 (7.14%) Puppet
6 2 (4.76%) Istio
7 1 (2.38%) Grafana
7 1 (2.38%) Microsoft Clustering
7 1 (2.38%) Microsoft Data Protection Manager
7 1 (2.38%) Prometheus
7 1 (2.38%) SCOM
7 1 (2.38%) SCOrch
Vendors
1 4 (9.52%) Google
2 3 (7.14%) Oracle
3 2 (4.76%) MapR
4 1 (2.38%) Citrix
4 1 (2.38%) F5
4 1 (2.38%) Red Hat
4 1 (2.38%) Sitecore
4 1 (2.38%) Talend
4 1 (2.38%) TOWER Software