Period
to 26 September 2021

The table below looks at the prevalence of the term Clustering in permanent job vacancies advertised in the City of London. Included is a benchmarking guide to the salaries offered in vacancies that have cited Clustering over the 6 months to 26 September 2021 with a comparison to the same period over the previous 2 years.

Clustering
Central London > City of London
6 months to
26 Sep 2021
Same period 2020 Same period 2019
Rank 220 188 302
Rank change year-on-year -32 +114 +1
Permanent jobs citing Clustering 26 9 36
As % of all permanent jobs advertised in the City of London 0.44% 0.24% 0.36%
As % of the Miscellaneous category 1.19% 0.61% 0.97%
Number of salaries quoted 20 6 30
10th Percentile £67,000 £42,250 £50,875
25th Percentile £81,250 £47,500 £57,500
Median annual salary (50th Percentile) £90,000 £67,500 £60,000
Median % change year-on-year +33.33% +12.50% +4.35%
75th Percentile £96,875 £93,750 £69,938
90th Percentile £120,000 £105,000 £76,250
Central London median annual salary £90,000 £60,000 £60,000
% change year-on-year +50.00% - -

Clustering is in the Generic IT Skills category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for generic IT skills.

All Generic IT Skills
City of London
Permanent vacancies with a requirement for generic IT skills 2,181 1,482 3,709
As % of all permanent IT jobs advertised in the City of London 37.28% 39.43% 36.69%
Number of salaries quoted 1,933 1,273 3,222
10th Percentile £42,500 £42,500 £37,500
25th Percentile £56,250 £53,750 £51,250
Median annual salary (50th Percentile) £75,000 £72,500 £67,500
Median % change year-on-year +3.45% +7.41% +3.85%
75th Percentile £95,000 £88,750 £85,000
90th Percentile £110,000 £110,000 £102,500
Central London median annual salary £72,500 £70,000 £67,500
% change year-on-year +3.57% +3.70% +3.85%

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
Salary Trend in the City of London

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

Salary trend for Clustering in the City of London

Clustering
Salary Histogram in the City of London

Salary distribution for jobs citing Clustering in the City of London over the 6 months to 26 September 2021.

Salary histogram for Clustering in the City of London

For the 6 months to 26 September 2021, IT 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 permanent job ads across the City of London region with a requirement for Clustering.

1 18 (69.23%) Java
2 17 (65.38%) Microservices
3 16 (61.54%) REST
4 11 (42.31%) High Availability
4 11 (42.31%) Scala
4 11 (42.31%) GCP
4 11 (42.31%) Kubernetes
4 11 (42.31%) Kotlin
4 11 (42.31%) Google
5 10 (38.46%) Performance Tuning
6 9 (34.62%) Jenkins
6 9 (34.62%) AWS
6 9 (34.62%) Continuous Integration
7 8 (30.77%) PostgreSQL
7 8 (30.77%) SQL
8 7 (26.92%) SQL Server
8 7 (26.92%) OO
8 7 (26.92%) RDBMS
8 7 (26.92%) Finance
8 7 (26.92%) VMware
8 7 (26.92%) Agile Software Development
8 7 (26.92%) VMware Infrastructure
8 7 (26.92%) PowerShell
8 7 (26.92%) Scalability Testing
8 7 (26.92%) Enterprise Software
8 7 (26.92%) Relational Database
9 6 (23.08%) Performance Monitoring
9 6 (23.08%) Database Security
9 6 (23.08%) SQL Server Analysis Services
9 6 (23.08%) Open Source

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 1 (3.85%) Apache
1 1 (3.85%) IIS
1 1 (3.85%) Red Hat Fuse
Cloud Services
1 11 (42.31%) GCP
2 9 (34.62%) AWS
3 5 (19.23%) Azure
4 4 (15.38%) Amazon ECS
4 4 (15.38%) AWS CloudFormation
4 4 (15.38%) PaaS
4 4 (15.38%) SaaS
5 3 (11.54%) Amazon ElastiCache
5 3 (11.54%) Amazon Kinesis
Communications & Networking
1 1 (3.85%) DHCP
1 1 (3.85%) DNS
1 1 (3.85%) SAN
Database & Business Intelligence
1 8 (30.77%) PostgreSQL
2 7 (26.92%) RDBMS
2 7 (26.92%) Relational Database
2 7 (26.92%) SQL Server
3 6 (23.08%) SQL Server Analysis Services
3 6 (23.08%) SQL Server Integration Services
3 6 (23.08%) SQL Server Reporting Services
4 4 (15.38%) Azure SQL Database
4 4 (15.38%) InfluxDB
4 4 (15.38%) MongoDB
4 4 (15.38%) SQL Server 2012
5 1 (3.85%) MariaDB
5 1 (3.85%) MySQL
Development Applications
1 9 (34.62%) Jenkins
2 4 (15.38%) Git (software)
2 4 (15.38%) Octopus Deploy
General
1 7 (26.92%) Finance
2 5 (19.23%) Social Skills
3 4 (15.38%) Banking
4 2 (7.69%) Analytical Skills
5 1 (3.85%) Back Office
Job Titles
1 19 (73.08%) Developer
2 11 (42.31%) Backend Developer
2 11 (42.31%) Lead Developer
3 7 (26.92%) DBA
4 6 (23.08%) Java Developer
4 6 (23.08%) SQL DBA
5 5 (19.23%) AWS Developer
6 4 (15.38%) Senior DBA
6 4 (15.38%) Senior SQL DBA
6 4 (15.38%) Senior SQL Server DBA
6 4 (15.38%) SQL Server DBA
7 3 (11.54%) Administrator
8 2 (7.69%) Senior Developer
8 2 (7.69%) Senior SQL Developer
8 2 (7.69%) Senior SQL Server Developer
8 2 (7.69%) Software Engineer
8 2 (7.69%) SQL Developer
8 2 (7.69%) SQL Server Developer
9 1 (3.85%) Citrix Server Engineer
9 1 (3.85%) VMware Engineer
Libraries, Frameworks & Software Standards
1 16 (61.54%) REST
2 5 (19.23%) HTML
2 5 (19.23%) HTML5
2 5 (19.23%) Spring
3 4 (15.38%) React
3 4 (15.38%) Redux
3 4 (15.38%) Spring Boot
4 3 (11.54%) Kafka
4 3 (11.54%) Lambda Expressions
5 1 (3.85%) Ajax
5 1 (3.85%) AngularJS
5 1 (3.85%) Apache Camel
5 1 (3.85%) GWT
5 1 (3.85%) Hibernate
5 1 (3.85%) JDBC
5 1 (3.85%) JMS
5 1 (3.85%) jQuery
5 1 (3.85%) JSF
5 1 (3.85%) OSGi
Miscellaneous
1 7 (26.92%) Enterprise Software
2 4 (15.38%) Data Structures
2 4 (15.38%) Legacy Systems
3 1 (3.85%) Fixed Income
3 1 (3.85%) Replication
3 1 (3.85%) Self-Motivation
Operating Systems
1 5 (19.23%) Windows
2 2 (7.69%) Linux
3 1 (3.85%) Windows Server 2008
3 1 (3.85%) Windows Server 2012
3 1 (3.85%) Windows Server 2016
3 1 (3.85%) Windows Server 2019
Processes & Methodologies
1 17 (65.38%) Microservices
2 11 (42.31%) High Availability
3 10 (38.46%) Performance Tuning
4 9 (34.62%) Continuous Integration
5 7 (26.92%) Agile Software Development
5 7 (26.92%) OO
5 7 (26.92%) Scalability Testing
6 6 (23.08%) Capacity Planning
6 6 (23.08%) Database Security
6 6 (23.08%) Open Source
6 6 (23.08%) Performance Monitoring
7 5 (19.23%) Event-Driven
7 5 (19.23%) Multithreading
7 5 (19.23%) Software Engineering
7 5 (19.23%) Web Development
8 4 (15.38%) ETL
8 4 (15.38%) Migration
8 4 (15.38%) Multithreaded Programming
8 4 (15.38%) Scrum
8 4 (15.38%) Task Automation
Programming Languages
1 18 (69.23%) Java
2 11 (42.31%) Kotlin
2 11 (42.31%) Scala
3 8 (30.77%) SQL
4 7 (26.92%) PowerShell
5 6 (23.08%) T-SQL
6 5 (19.23%) JavaScript
7 4 (15.38%) Python
8 1 (3.85%) Bash Shell
8 1 (3.85%) Java 8
8 1 (3.85%) PL/SQL
Qualifications
1 1 (3.85%) SC Cleared
1 1 (3.85%) Security Cleared
System Software
1 7 (26.92%) VMware Infrastructure
2 4 (15.38%) Docker
3 3 (11.54%) Active Directory
4 1 (3.85%) vSphere
Systems Management
1 11 (42.31%) Kubernetes
2 4 (15.38%) Ansible
2 4 (15.38%) Grafana
2 4 (15.38%) Terraform
3 3 (11.54%) Microsoft Clustering
Vendors
1 11 (42.31%) Google
2 7 (26.92%) VMware
3 3 (11.54%) Microsoft
3 3 (11.54%) Oracle
4 2 (7.69%) RedGate
5 1 (3.85%) 3PAR
5 1 (3.85%) Citrix
5 1 (3.85%) Dell
5 1 (3.85%) EMC
5 1 (3.85%) HP