Period
to 27 October 2020

The table below looks at the prevalence of the term Clustering in contract job vacancies advertised in the City of London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clustering over the 6 months to 27 October 2020 with a comparison to the same period over 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.

Clustering
Central London > City of London
6 months to
27 Oct 2020
Same period 2019 Same period 2018
Rank 99 214 242
Rank change year-on-year +115 +28 -19
Contract jobs citing Clustering 17 15 11
As % of all contract jobs advertised in the City of London 0.94% 0.25% 0.16%
As % of the Miscellaneous category 2.53% 0.80% 0.39%
Number of daily rates quoted 11 11 6
Median daily rate £500 £488 £525
Median daily rate % change year-on-year +2.56% -7.14% +16.67%
10th Percentile £406 £413 £469
90th Percentile £538 £575 £600
Central London median daily rate £500 £481 £488
% change year-on-year +3.90% -1.28% +14.71%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
Central London median hourly rate - - -

Clustering is in the Generic IT Skills 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 generic IT skills.

All Generic IT Skills
City of London
Contract vacancies with a requirement for generic IT skills 672 1,879 2,803
As % of all contract IT jobs advertised in the City of London 37.33% 31.64% 40.12%
Number of daily rates quoted 435 1,431 2,178
Median daily rate £525 £525 £525
10th Percentile £313 £305 £300
90th Percentile £713 £700 £713
Central London median daily rate £525 £520 £525
% change year-on-year +0.96% -0.95% -
Number of hourly rates quoted 25 33 54
Median hourly rate £35.50 £20.83 £19.38
Median hourly rate % change year-on-year +70.43% +7.51% -9.04%
10th Percentile £15.80 £11.80 £13.31
90th Percentile £47.75 £50.83 £37.09
Median hourly rate £35.00 £21.00 £19.38
% change year-on-year +66.67% +8.39% -5.49%

Clustering
Job Vacancy Trend in the City of London

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

Job vacancy trend for Clustering in the City of London

Clustering
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Clustering in the City of London

Clustering
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Clustering in the City of London.

Hourly rate trend for Clustering in the City of London

For the 6 months to 27 October 2020, IT contractor jobs citing Clustering 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 Clustering.

1 17 (100.00%) High Availability
2 14 (82.35%) Banking
3 12 (70.59%) Finance
4 11 (64.71%) Oracle
4 11 (64.71%) Jenkins
4 11 (64.71%) Performance Tuning
4 11 (64.71%) Continuous Integration
5 10 (58.82%) Relational Database
6 9 (52.94%) Enterprise Software
6 9 (52.94%) PaaS
6 9 (52.94%) HTML5
6 9 (52.94%) REST
6 9 (52.94%) Scalability Testing
6 9 (52.94%) Web Development
6 9 (52.94%) HTML
6 9 (52.94%) Java
6 9 (52.94%) JavaScript
6 9 (52.94%) Spring
6 9 (52.94%) Agile Software Development
6 9 (52.94%) Microservices
7 8 (47.06%) AWS
7 8 (47.06%) Open Source
7 8 (47.06%) SaaS
7 8 (47.06%) IaaS
8 7 (41.18%) RDBMS
9 6 (35.29%) JMS
9 6 (35.29%) JDBC
9 6 (35.29%) Windows
9 6 (35.29%) Linux
9 6 (35.29%) OO

Clustering
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 6 (35.29%) Apache
1 6 (35.29%) Red Hat Fuse
2 1 (5.88%) Confluence
2 1 (5.88%) SharePoint
Cloud Services
1 9 (52.94%) PaaS
2 8 (47.06%) AWS
2 8 (47.06%) IaaS
2 8 (47.06%) SaaS
3 5 (29.41%) Azure
3 5 (29.41%) Cloud Computing
3 5 (29.41%) GCP
4 4 (23.53%) GitHub
5 3 (17.65%) Amazon ECS
5 3 (17.65%) Amazon ElastiCache
5 3 (17.65%) Amazon Kinesis
5 3 (17.65%) AWS CloudFormation
Communications & Networking
1 5 (29.41%) Kerberos
1 5 (29.41%) TCP/IP
2 3 (17.65%) DNS
3 2 (11.76%) DHCP
Database & Business Intelligence
1 10 (58.82%) Relational Database
2 7 (41.18%) RDBMS
3 4 (23.53%) SQL Server
4 3 (17.65%) PostgreSQL
5 1 (5.88%) SQL Server Integration Services
5 1 (5.88%) SQL Server Reporting Services
Development Applications
1 11 (64.71%) Jenkins
2 4 (23.53%) Subversion
3 2 (11.76%) Git (software)
4 1 (5.88%) JIRA
4 1 (5.88%) Serena SBM
4 1 (5.88%) TeamCity
General
1 14 (82.35%) Banking
2 12 (70.59%) Finance
3 4 (23.53%) Investment Banking
3 4 (23.53%) Retail
4 1 (5.88%) International Banking
4 1 (5.88%) Public Sector
Job Titles
1 6 (35.29%) Developer
1 6 (35.29%) Java Developer
2 3 (17.65%) Applications Developer
2 3 (17.65%) Architect
2 3 (17.65%) AWS Developer
2 3 (17.65%) Java Applications Developer
2 3 (17.65%) Java Architect
2 3 (17.65%) Java Solutions Architect
2 3 (17.65%) Solutions Architect
2 3 (17.65%) Virtualisation Engineer
3 2 (11.76%) Linux Engineer
3 2 (11.76%) Python Engineer
3 2 (11.76%) Ruby Engineer
4 1 (5.88%) DevOps Engineer
4 1 (5.88%) Lead Architect
4 1 (5.88%) Lead Solutions Architect
4 1 (5.88%) Technical Leader
4 1 (5.88%) Technical Solutions Architect
4 1 (5.88%) Windows Administrator
4 1 (5.88%) Windows Systems Administrator
Libraries, Frameworks & Software Standards
1 9 (52.94%) HTML
1 9 (52.94%) HTML5
1 9 (52.94%) REST
1 9 (52.94%) Spring
2 6 (35.29%) Ajax
2 6 (35.29%) AngularJS
2 6 (35.29%) Apache Camel
2 6 (35.29%) GWT
2 6 (35.29%) Hibernate
2 6 (35.29%) JDBC
2 6 (35.29%) JMS
2 6 (35.29%) jQuery
2 6 (35.29%) JSF
2 6 (35.29%) OSGi
3 5 (29.41%) LDAP
4 3 (17.65%) FIX Protocol
4 3 (17.65%) Kafka
4 3 (17.65%) Lambda Expressions
4 3 (17.65%) Middleware
4 3 (17.65%) Redux
Miscellaneous
1 9 (52.94%) Enterprise Software
2 2 (11.76%) Fixed Income
2 2 (11.76%) Replication
Operating Systems
1 6 (35.29%) Linux
1 6 (35.29%) Windows
1 6 (35.29%) Windows Server
2 5 (29.41%) Windows Server 2008
2 5 (29.41%) Windows Server 2012
2 5 (29.41%) Windows Server 2016
3 4 (23.53%) Windows Server 2019
4 2 (11.76%) Unix
5 1 (5.88%) Red Hat Enterprise Linux
Processes & Methodologies
1 17 (100.00%) High Availability
2 11 (64.71%) Continuous Integration
2 11 (64.71%) Performance Tuning
3 9 (52.94%) Agile Software Development
3 9 (52.94%) Microservices
3 9 (52.94%) Scalability Testing
3 9 (52.94%) Web Development
4 8 (47.06%) Open Source
5 6 (35.29%) Multithreaded Programming
5 6 (35.29%) Multithreading
5 6 (35.29%) OO
6 5 (29.41%) Security Hardening
7 4 (23.53%) Infrastructure Engineering
8 3 (17.65%) Concurrent Programming
8 3 (17.65%) DevOps
8 3 (17.65%) Extreme Programming
8 3 (17.65%) RUP
8 3 (17.65%) Scrum
8 3 (17.65%) Software Engineering
8 3 (17.65%) Unit Testing
Programming Languages
1 9 (52.94%) Java
1 9 (52.94%) JavaScript
2 4 (23.53%) Java 8
3 3 (17.65%) Python
4 2 (11.76%) C
4 2 (11.76%) Perl
4 2 (11.76%) Ruby
5 1 (5.88%) PowerShell
5 1 (5.88%) SQL
5 1 (5.88%) T-SQL
Qualifications
1 1 (5.88%) AWS Certification
Quality Assurance & Compliance
1 3 (17.65%) MiFID
2 1 (5.88%) GDPR
2 1 (5.88%) Sarbanes-Oxley
System Software
1 5 (29.41%) Active Directory
1 5 (29.41%) VMware ESXi
1 5 (29.41%) VMware Infrastructure
2 3 (17.65%) Docker
3 2 (11.76%) Veritas Cluster Server
Systems Management
1 5 (29.41%) Ansible
1 5 (29.41%) Kubernetes
1 5 (29.41%) Opscode Chef
1 5 (29.41%) Puppet
2 4 (23.53%) Microsoft Clustering
3 3 (17.65%) Terraform
4 2 (11.76%) Pacemaker
4 2 (11.76%) Salt
5 1 (5.88%) Control-M
5 1 (5.88%) Icinga
5 1 (5.88%) Netcool
5 1 (5.88%) QRadar
5 1 (5.88%) Tivoli
5 1 (5.88%) Tivoli Storage Manager
Vendors
1 11 (64.71%) Oracle
2 5 (29.41%) SaltStack
2 5 (29.41%) VMware
3 4 (23.53%) Microsoft
4 2 (11.76%) Splunk
4 2 (11.76%) Veritas
5 1 (5.88%) Altiris
5 1 (5.88%) BMC
5 1 (5.88%) CyberArk
5 1 (5.88%) EMC
5 1 (5.88%) IBM
5 1 (5.88%) Infoblox
5 1 (5.88%) Ivanti
5 1 (5.88%) Qualys
5 1 (5.88%) Red Hat
5 1 (5.88%) Serena
5 1 (5.88%) ServiceNow
5 1 (5.88%) Symantec