The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for DAO skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited DAO over the 3 months to 26 April 2017 with a comparison to the same period in the previous 2 years.

Data Access Object (DAO)
England / London
3 months to
26 Apr 2017
Same period 2016 Same period 2015
Rank 588 - 655
Rank change year-on-year - 0  
Permanent jobs citing DAO 5 0 19
As % of all permanent IT jobs advertised in London 0.015% - 0.043%
As % of the Libraries, Frameworks & Software Standards category 0.036% - 0.11%
Number of salaries quoted 3 0 16
Median salary £105,000 - £52,000
UK excluding London median salary £37,500 £37,500 £52,000
% change year-on-year - -27.88%  

DAO is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
London
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 13899 17055 16658
As % of all permanent IT job vacancies advertised in London 40.51% 40.18% 37.34%
Number of salaries quoted 11861 14944 14160
Median salary £57,500 £55,000 £52,500
Median salary % change year-on-year +4.54% +4.76%  
90% offered a salary of more than £40,000 £37,500 £36,000
10% offered a salary of more than £80,000 £75,000 £77,500
UK excluding London median salary £40,000 £42,500 £40,000
% change year-on-year -5.88% +6.25%  

DAO
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing DAO as a proportion of all permanent or contract IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for DAO in London

DAO
Salary Trend in London

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

Salary trend for DAO in London

For the 6 months to 26 April 2017, IT jobs citing DAO 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 London region with a requirement for DAO.

1 9 (81.82%) MVC
1 9 (81.82%) JavaScript
2 7 (63.64%) SQL
2 7 (63.64%) J2EE
2 7 (63.64%) Oracle
2 7 (63.64%) Java
2 7 (63.64%) Servlets
2 7 (63.64%) Web Services
2 7 (63.64%) Unix
2 7 (63.64%) Linux
2 7 (63.64%) Shell Script
2 7 (63.64%) RDBMS
2 7 (63.64%) Tomcat
2 7 (63.64%) JMS
2 7 (63.64%) PostgreSQL
2 7 (63.64%) Spring
2 7 (63.64%) Web Development
2 7 (63.64%) Spring MVC
2 7 (63.64%) Spring Security
2 7 (63.64%) Oracle Database 11g
2 7 (63.64%) jQuery
2 7 (63.64%) AngularJS
2 7 (63.64%) Oracle Database
2 7 (63.64%) Relational Database
3 5 (45.45%) Multithreading
3 5 (45.45%) OOD
3 5 (45.45%) .NET
3 5 (45.45%) Front Office
3 5 (45.45%) OO
4 4 (36.36%) VBA

DAO
Co-occurring IT Skills in 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 (63.64%) Tomcat
2 2 (18.18%) Confluence
Applications
1 2 (18.18%) Microsoft Excel
1 2 (18.18%) Microsoft Office
Database & Business Intelligence
1 7 (63.64%) Oracle Database
1 7 (63.64%) Oracle Database 11g
1 7 (63.64%) PostgreSQL
1 7 (63.64%) RDBMS
1 7 (63.64%) Relational Database
2 4 (36.36%) SQL Server
3 3 (27.27%) Hadoop
3 3 (27.27%) KDB
3 3 (27.27%) Kdb+
4 2 (18.18%) MS Access
4 2 (18.18%) NoSQL
4 2 (18.18%) SQL Server 2008
5 1 (9.09%) Big Data
Development Applications
1 3 (27.27%) Ant
1 3 (27.27%) Eclipse
1 3 (27.27%) JUnit
1 3 (27.27%) Maven
2 2 (18.18%) JIRA
General
1 5 (45.45%) Front Office
2 2 (18.18%) Banking
3 1 (9.09%) Finance
Job Titles
1 11 (100.00%) Developer
2 7 (63.64%) Java Developer
3 5 (45.45%) Java Web Developer
3 5 (45.45%) Web Developer
4 2 (18.18%) .NET Developer
4 2 (18.18%) Excel Developer
4 2 (18.18%) Excel VBA Developer
4 2 (18.18%) SQL Developer
4 2 (18.18%) VBA Developer
5 1 (9.09%) Big Data Developer
5 1 (9.09%) Hadoop Developer
5 1 (9.09%) Java Hadoop Developer
Libraries, Frameworks & Software Standards
1 7 (63.64%) AngularJS
1 7 (63.64%) J2EE
1 7 (63.64%) JMS
1 7 (63.64%) jQuery
1 7 (63.64%) Servlets
1 7 (63.64%) Spring
1 7 (63.64%) Spring MVC
1 7 (63.64%) Spring Security
1 7 (63.64%) Web Services
2 5 (45.45%) .NET
3 4 (36.36%) ADO
4 3 (27.27%) FIX Protocol
4 3 (27.27%) HTML
4 3 (27.27%) XML
5 2 (18.18%) ASP.NET
5 2 (18.18%) ASP.NET MVC
5 2 (18.18%) WinForms
6 1 (9.09%) HTML5
Miscellaneous
1 1 (9.09%) Computer Science
Operating Systems
1 7 (63.64%) Linux
1 7 (63.64%) Unix
Processes & Methodologies
1 9 (81.82%) MVC
2 7 (63.64%) Web Development
3 5 (45.45%) Multithreading
3 5 (45.45%) OO
3 5 (45.45%) OOD
4 3 (27.27%) Agile Software Development
5 2 (18.18%) Asset Management
5 2 (18.18%) Business Transformation
5 2 (18.18%) Microservices
5 2 (18.18%) Performance Improvement
6 1 (9.09%) ETL
6 1 (9.09%) SDLC
Programming Languages
1 9 (81.82%) JavaScript
2 7 (63.64%) Java
2 7 (63.64%) Shell Script
2 7 (63.64%) SQL
3 4 (36.36%) VBA
4 3 (27.27%) Python
5 2 (18.18%) C#
5 2 (18.18%) Scala
5 2 (18.18%) VB
Qualifications
1 2 (18.18%) Degree
Vendors
1 7 (63.64%) Oracle
2 3 (27.27%) Perforce
3 2 (18.18%) Atlassian
3 2 (18.18%) Microsoft