Period
to 17 October 2018

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Tomcat skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Tomcat over the 6 months to 17 October 2018 with a comparison to the same period in the previous 2 years.

Apache Tomcat
Central London > City of London
6 months to
17 Oct 2018
Same period 2017 Same period 2016
Rank 253 196 207
Rank change year-on-year -57 +11 -40
Permanent jobs citing Tomcat 91 133 155
As % of all permanent IT jobs advertised in the City of London 0.82% 1.34% 1.29%
As % of the Application Platforms category 4.64% 7.09% 6.62%
Number of salaries quoted 86 129 135
City of London median annual salary £55,000 £62,500 £58,500
Median salary % change year-on-year -12.00% +6.84% +11.43%
10th Percentile £41,250 £46,250 £37,500
90th Percentile £81,875 £92,500 £77,500
Central London median annual salary £55,000 £62,500 £55,000
% change year-on-year -12.00% +13.64% +4.76%

Tomcat is in the Application Platforms 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 application platform skills.

All Application Platform Skills
City of London
Permanent vacancies with a requirement for application platform skills 1,960 1,876 2,340
As % of all permanent IT jobs advertised in the City of London 17.71% 18.87% 19.46%
Number of salaries quoted 1,790 1,719 2,146
City of London median annual salary £60,000 £60,000 £55,000
Median salary % change year-on-year - +9.09% +1.85%
10th Percentile £35,738 £36,250 £34,000
90th Percentile £90,000 £87,500 £83,750
Central London median annual salary £60,000 £55,500 £55,000
% change year-on-year +8.11% +0.91% +4.76%

Tomcat
Job Vacancy Trend in the City of London

Job postings citing Tomcat as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Tomcat in the City of London

Tomcat
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Tomcat in the City of London.

Salary trend for Tomcat in the City of London

Tomcat
Salary Histogram in the City of London

The salary distribution of IT jobs citing Tomcat in the City of London over the 6 months to 17 October 2018.

Salary histogram for Tomcat in the City of London

For the 6 months to 17 October 2018, IT jobs citing Tomcat 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 Tomcat.

1 76 (83.52%) Linux
2 55 (60.44%) Java
3 53 (58.24%) Apache
4 42 (46.15%) Perl
5 37 (40.66%) DevOps
6 34 (37.36%) Oracle
7 33 (36.26%) SQL
8 30 (32.97%) Opscode Chef
9 29 (31.87%) PowerShell
10 28 (30.77%) Docker
11 27 (29.67%) Puppet
12 25 (27.47%) Bash Shell
12 25 (27.47%) Maven
13 24 (26.37%) Spring
13 24 (26.37%) SQL Server
13 24 (26.37%) Web Services
14 23 (25.27%) Windows
14 23 (25.27%) Python
14 23 (25.27%) Shell Script
14 23 (25.27%) Agile Software Development
15 22 (24.18%) JavaScript
16 21 (23.08%) Unix
17 20 (21.98%) TCP/IP
17 20 (21.98%) Git (software)
17 20 (21.98%) Jenkins
18 18 (19.78%) Amazon AWS
18 18 (19.78%) Software Engineering
18 18 (19.78%) WebSphere
18 18 (19.78%) HTTP
19 17 (18.68%) HTML

Tomcat
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 53 (58.24%) Apache
2 18 (19.78%) WebSphere
3 11 (12.09%) JBoss
4 10 (10.99%) nginx
4 10 (10.99%) WordPress
5 8 (8.79%) IIS
6 4 (4.40%) Confluence
7 3 (3.30%) FileNet
7 3 (3.30%) GlassFish
8 2 (2.20%) Apache Solr
8 2 (2.20%) Elasticsearch
8 2 (2.20%) Jetty
8 2 (2.20%) OpenStack
8 2 (2.20%) Oracle HTTP Server
8 2 (2.20%) Oracle SOA Suite
8 2 (2.20%) WebLogic
8 2 (2.20%) WebSphere Application Server
9 1 (1.10%) ColdFusion
9 1 (1.10%) MS Exchange
9 1 (1.10%) WildFly
Applications
1 1 (1.10%) Microsoft Office
Business Applications
1 4 (4.40%) MetaTrader
2 1 (1.10%) Temenos T24
Cloud Services
1 18 (19.78%) Amazon AWS
2 7 (7.69%) Google Cloud Platform
2 7 (7.69%) Microsoft Azure
3 6 (6.59%) Cloud Computing
4 5 (5.49%) SaaS
5 4 (4.40%) NuGet
6 2 (2.20%) Azure Active Directory
7 1 (1.10%) Amazon ELB
7 1 (1.10%) OpenShift
Communications & Networking
1 20 (21.98%) TCP/IP
2 18 (19.78%) HTTP
3 15 (16.48%) Internet
4 10 (10.99%) SMTP
4 10 (10.99%) SSH
5 9 (9.89%) VLAN
6 8 (8.79%) Firewall
7 7 (7.69%) BIG-IP
8 5 (5.49%) DNS
9 4 (4.40%) NetScaler
9 4 (4.40%) SSL
10 3 (3.30%) SAN
11 2 (2.20%) Kerberos
11 2 (2.20%) NAS
12 1 (1.10%) Cisco ASA
12 1 (1.10%) iSCSI
12 1 (1.10%) VoIP
12 1 (1.10%) VPN
12 1 (1.10%) Wireshark
Database & Business Intelligence
1 24 (26.37%) SQL Server
2 17 (18.68%) MySQL
3 16 (17.58%) Relational Database
4 12 (13.19%) PostgreSQL
5 9 (9.89%) NoSQL
6 8 (8.79%) RDBMS
7 7 (7.69%) Redis
7 7 (7.69%) SQL Server 2012
8 4 (4.40%) MongoDB
9 3 (3.30%) Oracle Database
10 2 (2.20%) Big Data
10 2 (2.20%) Crystal Reports
10 2 (2.20%) DB2
10 2 (2.20%) Hadoop
10 2 (2.20%) Oracle Database 11g
10 2 (2.20%) Oracle Reports
10 2 (2.20%) SQL Server 2016
10 2 (2.20%) SQL Server Integration Services
11 1 (1.10%) SQL Server 2005
11 1 (1.10%) SQL Server 2008
Development Applications
1 25 (27.47%) Maven
2 20 (21.98%) Git (software)
2 20 (21.98%) Jenkins
3 17 (18.68%) JIRA
4 12 (13.19%) JUnit
5 11 (12.09%) Gradle
5 11 (12.09%) Selenium
6 10 (10.99%) Bitbucket
6 10 (10.99%) Log4j
6 10 (10.99%) Subversion
6 10 (10.99%) TestNG
7 9 (9.89%) Ant
8 6 (6.59%) TeamCity
9 5 (5.49%) Eclipse
10 4 (4.40%) CA Release Automation
10 4 (4.40%) Fiddler
10 4 (4.40%) IntelliJ
10 4 (4.40%) ReSharper
10 4 (4.40%) Team Foundation Server
10 4 (4.40%) Visual Studio
General
1 16 (17.58%) Finance
2 11 (12.09%) Banking
3 8 (8.79%) Retail
4 5 (5.49%) Games
5 4 (4.40%) Back Office
6 3 (3.30%) International Banking
6 3 (3.30%) Investment Banking
7 2 (2.20%) Advertising
8 1 (1.10%) Publishing
8 1 (1.10%) Retail Banking
Job Titles
1 32 (35.16%) Developer
2 28 (30.77%) Java Developer
3 23 (25.27%) Systems Administrator
4 22 (24.18%) Administrator
5 20 (21.98%) Linux Administrator
5 20 (21.98%) Linux Systems Administrator
6 17 (18.68%) DevOps Engineer
7 8 (8.79%) Senior Developer
7 8 (8.79%) Senior Java Developer
8 6 (6.59%) Applications Engineer
9 5 (5.49%) Agile Developer
9 5 (5.49%) Agile Java Developer
9 5 (5.49%) Applications Support
9 5 (5.49%) Applications Support Engineer
9 5 (5.49%) Automation Engineer
9 5 (5.49%) Linux Engineer
9 5 (5.49%) Linux/Unix DevOps
9 5 (5.49%) Support Engineer
9 5 (5.49%) Web Applications Engineer
9 5 (5.49%) Web Engineer
Libraries, Frameworks & Software Standards
1 24 (26.37%) Spring
1 24 (26.37%) Web Services
2 17 (18.68%) HTML
3 16 (17.58%) CSS
4 15 (16.48%) LAMP
5 14 (15.38%) jQuery
6 13 (14.29%) Hibernate
7 12 (13.19%) JSP
7 12 (13.19%) LDAP
8 11 (12.09%) .NET
8 11 (12.09%) Java EE
8 11 (12.09%) LAPP Stack
9 10 (10.99%) Ajax
9 10 (10.99%) JSON
9 10 (10.99%) JSTL
9 10 (10.99%) REST
10 9 (9.89%) J2EE
11 8 (8.79%) ActiveMQ
11 8 (8.79%) JMS
12 7 (7.69%) XML
Miscellaneous
1 14 (15.38%) Linux Command Line
2 11 (12.09%) Computer Science
3 9 (9.89%) Enterprise Software
4 8 (8.79%) Fintech
5 5 (5.49%) Algorithms
5 5 (5.49%) Self-Motivation
6 4 (4.40%) Management Information System
7 2 (2.20%) Greenfield Project
7 2 (2.20%) Hedge funds
7 2 (2.20%) N-Tier
7 2 (2.20%) Public Cloud
8 1 (1.10%) Analytical Skills
8 1 (1.10%) Client/Server
8 1 (1.10%) Data Centre
8 1 (1.10%) PKI
Operating Systems
1 76 (83.52%) Linux
2 23 (25.27%) Windows
3 21 (23.08%) Unix
4 13 (14.29%) Ubuntu
5 10 (10.99%) Android
5 10 (10.99%) openSUSE
6 9 (9.89%) CentOS
6 9 (9.89%) Windows Server
7 7 (7.69%) CoreOS
8 5 (5.49%) Windows Server 2012
9 3 (3.30%) Red Hat Enterprise Linux
10 2 (2.20%) SUSE
11 1 (1.10%) AIX
11 1 (1.10%) Windows Server 2003
Processes & Methodologies
1 37 (40.66%) DevOps
2 23 (25.27%) Agile Software Development
3 18 (19.78%) Software Engineering
4 17 (18.68%) TDD
5 14 (15.38%) ITIL
6 11 (12.09%) Performance Tuning
7 10 (10.99%) API Development
8 9 (9.89%) Release Management
9 8 (8.79%) BDD
9 8 (8.79%) Configuration Management
9 8 (8.79%) Continuous Integration
9 8 (8.79%) E-Commerce
9 8 (8.79%) Multithreading
9 8 (8.79%) Problem-Solving
9 8 (8.79%) Scrum
9 8 (8.79%) Software Delivery
10 7 (7.69%) Continuous Delivery
10 7 (7.69%) Kanban
10 7 (7.69%) Pair Programming
10 7 (7.69%) Test Automation
Programming Languages
1 55 (60.44%) Java
2 42 (46.15%) Perl
3 33 (36.26%) SQL
4 29 (31.87%) PowerShell
5 25 (27.47%) Bash Shell
6 23 (25.27%) Python
6 23 (25.27%) Shell Script
7 22 (24.18%) JavaScript
8 16 (17.58%) PHP
9 12 (13.19%) Ruby
10 10 (10.99%) C
10 10 (10.99%) VB
11 7 (7.69%) C#
12 6 (6.59%) Bourne shell
12 6 (6.59%) Korn
13 4 (4.40%) PL/SQL
14 3 (3.30%) Java 8
15 2 (2.20%) C++
15 2 (2.20%) Groovy
16 1 (1.10%) Java 9
Qualifications
1 8 (8.79%) Computer Science Degree
1 8 (8.79%) Degree
2 1 (1.10%) CISSP
2 1 (1.10%) ITIL Foundation Certificate
2 1 (1.10%) RHCE
Quality Assurance & Compliance
1 5 (5.49%) GDPR
2 4 (4.40%) Cyber Essentials
2 4 (4.40%) HIPAA
2 4 (4.40%) ISO/IEC 27001
2 4 (4.40%) QA
3 1 (1.10%) SLA
System Software
1 28 (30.77%) Docker
2 11 (12.09%) Active Directory
3 8 (8.79%) iptables
4 7 (7.69%) VMware Infrastructure
5 2 (2.20%) Hyper-V
5 2 (2.20%) NFS
5 2 (2.20%) Oracle RAC
5 2 (2.20%) Virtual Servers
6 1 (1.10%) Gluster
6 1 (1.10%) OpenAM
6 1 (1.10%) VMware ESXi
6 1 (1.10%) vSphere
Systems Management
1 30 (32.97%) Opscode Chef
2 27 (29.67%) Puppet
3 16 (17.58%) Salt
4 13 (14.29%) Ansible
5 9 (9.89%) Nagios
6 8 (8.79%) HAProxy
7 4 (4.40%) Consul
7 4 (4.40%) Icinga
7 4 (4.40%) Kibana
7 4 (4.40%) Kubernetes
7 4 (4.40%) logstash
7 4 (4.40%) Perfmon
7 4 (4.40%) Prometheus
8 3 (3.30%) Packer
9 2 (2.20%) QRadar
9 2 (2.20%) SCOM
9 2 (2.20%) ZABBIX
10 1 (1.10%) BMC PATROL
10 1 (1.10%) Terraform
10 1 (1.10%) vRealize
Vendors
1 34 (37.36%) Oracle
2 9 (9.89%) Splunk
3 8 (8.79%) F5
3 8 (8.79%) Microsoft
3 8 (8.79%) VMware
4 7 (7.69%) Google
4 7 (7.69%) Red Hat
5 6 (6.59%) IBM
6 5 (5.49%) TIBCO
7 4 (4.40%) SolarWinds
8 3 (3.30%) Cisco
8 3 (3.30%) Citrix
8 3 (3.30%) Kofax
9 2 (2.20%) OutSystems
10 1 (1.10%) BMC
10 1 (1.10%) CheckPoint
10 1 (1.10%) M86 Security
10 1 (1.10%) MobileIron
10 1 (1.10%) NetApp
10 1 (1.10%) Temenos