The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for EAI skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited EAI over the 3 months to 28 April 2017 with a comparison to the same period in the previous 2 years.

Enterprise Application Integration (EAI)
London / City of London
3 months to
28 Apr 2017
Same period 2016 Same period 2015
Rank 229 255 298
Rank change year-on-year +26 +43  
Permanent jobs citing EAI 12 11 29
As % of all permanent IT jobs advertised in the City of London 0.22% 0.16% 0.27%
As % of the Processes & Methodologies category 0.25% 0.17% 0.31%
Number of salaries quoted 9 8 21
Median salary £67,500 £56,000 £62,500
Median salary % change year-on-year +20.53% -10.40%  
UK excluding London median salary £47,500 £61,500 £55,000
% change year-on-year -22.76% +11.81%  

EAI is in the process and methodology skills category. The next 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 process and methodology skills.

Process & Methodology Skills
City of London
Permanent job vacancies with a requirement for process and methodology skills 4809 6420 9352
As % of all permanent IT job vacancies advertised in the City of London 90.11% 90.93% 88.62%
Number of salaries quoted 4354 5758 7873
Median salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.16% +4.34%  
90% offered a salary of more than £42,500 £40,000 £37,500
10% offered a salary of more than £85,000 £82,500 £83,000
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

EAI
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing EAI as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for EAI in the City of London

EAI
Salary Trend in the City of London

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

Salary trend for EAI in the City of London

For the 6 months to 28 April 2017, IT jobs citing EAI also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the City of London region with a requirement for EAI.

1 20 (83.33%) Java
1 20 (83.33%) SOA
2 19 (79.17%) JMS
2 19 (79.17%) Finance
3 17 (70.83%) SQL
4 16 (66.67%) Web Services
5 15 (62.50%) XML
6 14 (58.33%) FTP
7 13 (54.17%) Ant
7 13 (54.17%) Maven
8 11 (45.83%) Solace
9 10 (41.67%) Analytical Skills
9 10 (41.67%) Test Automation
10 8 (33.33%) Subversion
10 8 (33.33%) Drools
10 8 (33.33%) Jenkins
11 7 (29.17%) Apache Camel
11 7 (29.17%) Greenfield Project
11 7 (29.17%) Integration Testing
11 7 (29.17%) Investment Management
11 7 (29.17%) FitNesse
12 6 (25.00%) Open Source
12 6 (25.00%) User Experience
12 6 (25.00%) EJB
13 5 (20.83%) Oracle
13 5 (20.83%) User Acceptance Testing
14 4 (16.67%) OpenShift
14 4 (16.67%) XSD
14 4 (16.67%) XSL
15 3 (12.50%) UML

EAI
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 3 (12.50%) JBoss
1 3 (12.50%) Oracle SOA Suite
2 2 (8.33%) WebSphere
3 1 (4.17%) BizTalk Server
Cloud Services
1 4 (16.67%) OpenShift
2 1 (4.17%) IaaS
2 1 (4.17%) Microsoft Azure
2 1 (4.17%) PaaS
Communications & Networking
1 14 (58.33%) FTP
2 1 (4.17%) HTTP
Database & Business Intelligence
1 2 (8.33%) Relational Database
2 1 (4.17%) Data Warehouse
2 1 (4.17%) Oracle BI Publisher
2 1 (4.17%) Oracle Database
2 1 (4.17%) Oracle Database 11g
2 1 (4.17%) Oracle Database 12c
2 1 (4.17%) RDBMS
2 1 (4.17%) SQL Server
2 1 (4.17%) SQL Server 2008
2 1 (4.17%) SQL Server Integration Services
Development Applications
1 13 (54.17%) Ant
1 13 (54.17%) Maven
2 8 (33.33%) Jenkins
2 8 (33.33%) Subversion
3 7 (29.17%) FitNesse
4 3 (12.50%) Checkstyle
4 3 (12.50%) Eclipse
4 3 (12.50%) IntelliJ
4 3 (12.50%) JUnit
4 3 (12.50%) SoapUI
4 3 (12.50%) XMLUnit
General
1 19 (79.17%) Finance
2 2 (8.33%) Banking
3 1 (4.17%) Investment Banking
Job Titles
1 19 (79.17%) Developer
2 10 (41.67%) Java Developer
3 8 (33.33%) Lead Developer
4 7 (29.17%) Automation Developer
5 5 (20.83%) SOA Developer
6 3 (12.50%) Developer in Test
6 3 (12.50%) EAI Developer
6 3 (12.50%) Senior Developer
6 3 (12.50%) Senior Java Developer
7 2 (8.33%) Analyst
7 2 (8.33%) Architect
7 2 (8.33%) Integration Developer
7 2 (8.33%) Messaging Analyst
7 2 (8.33%) Messaging Support
7 2 (8.33%) Messaging Support Analyst
7 2 (8.33%) SQL Analyst
7 2 (8.33%) SQL Support Analyst
7 2 (8.33%) Support Analyst
8 1 (4.17%) Software Engineer
8 1 (4.17%) Solutions Architect
Libraries, Frameworks & Software Standards
1 19 (79.17%) JMS
2 16 (66.67%) Web Services
3 15 (62.50%) XML
4 8 (33.33%) Drools
5 7 (29.17%) Apache Camel
6 6 (25.00%) EJB
7 4 (16.67%) XSD
7 4 (16.67%) XSL
8 3 (12.50%) .NET
8 3 (12.50%) Hibernate
8 3 (12.50%) JavaBeans
8 3 (12.50%) JDBC
9 2 (8.33%) EJB 3.0
10 1 (4.17%) .NET Framework
10 1 (4.17%) COM
10 1 (4.17%) EDI
10 1 (4.17%) TIBCO EMS
10 1 (4.17%) WCF
10 1 (4.17%) WebSphere MQ
Miscellaneous
1 10 (41.67%) Analytical Skills
2 7 (29.17%) Greenfield Project
3 6 (25.00%) User Experience
4 3 (12.50%) Enterprise Software
5 2 (8.33%) Management Information System
6 1 (4.17%) Fintech
Operating Systems
1 1 (4.17%) Android
Processes & Methodologies
1 20 (83.33%) SOA
2 10 (41.67%) Test Automation
3 7 (29.17%) Integration Testing
3 7 (29.17%) Investment Management
4 6 (25.00%) Open Source
5 5 (20.83%) User Acceptance Testing
6 3 (12.50%) Agile Software Development
6 3 (12.50%) Code Coverage
6 3 (12.50%) Functional Testing
6 3 (12.50%) UML
6 3 (12.50%) Waterfall
7 2 (8.33%) Business Intelligence
7 2 (8.33%) Data Modelling
7 2 (8.33%) Microservices
7 2 (8.33%) Service Management
7 2 (8.33%) Unit Testing
7 2 (8.33%) Use Case
8 1 (4.17%) Presales
8 1 (4.17%) SDLC
8 1 (4.17%) Translating Business Requirements
Programming Languages
1 20 (83.33%) Java
2 17 (70.83%) SQL
3 3 (12.50%) XPath
4 2 (8.33%) PL/SQL
5 1 (4.17%) C#
5 1 (4.17%) STATISTICA Visual Basic
5 1 (4.17%) T-SQL
Quality Assurance & Compliance
1 2 (8.33%) QA
Systems Management
1 2 (8.33%) SCOM
Vendors
1 11 (45.83%) Solace
2 5 (20.83%) Oracle
3 2 (8.33%) IBM
3 2 (8.33%) Microsoft
3 2 (8.33%) ServiceNow
4 1 (4.17%) GigaSpaces
4 1 (4.17%) Informatica
4 1 (4.17%) Siebel
4 1 (4.17%) Sybase
4 1 (4.17%) TIBCO
4 1 (4.17%) Xamarin