The following table provides summary statistics for permanent job vacancies advertised in Colchester with a requirement for Ajax skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Ajax over the 3 months to 29 June 2017 with a comparison to the same period in the previous 2 years.

Ajax
Essex > Colchester
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 33 27 34
Rank change year-on-year -6 +7  
Permanent jobs citing Ajax 9 14 4
As % of all permanent IT jobs advertised in Colchester 4.39% 6.93% 2.48%
As % of the Libraries, Frameworks & Software Standards category 9.00% 20.29% 4.55%
Number of salaries quoted 9 14 4
Colchester median annual salary £50,000 £62,500 £45,000
Median salary % change year-on-year -20.00% +38.88%  
Essex median annual salary £47,500 £48,750 £45,000
% change year-on-year -2.56% +8.33%  

Ajax 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 Colchester with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
Colchester
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 100 69 88
As % of all permanent IT job vacancies advertised in Colchester 48.78% 34.16% 54.66%
Number of salaries quoted 386 298 394
Colchester median annual salary £40,000 £35,000 £33,045
Median salary % change year-on-year +14.28% +5.91%  
10th Percentile £29,250 £22,500 £22,500
90th Percentile £65,000 £45,000 £63,750
Essex median annual salary £50,000 £42,500 £37,500
% change year-on-year +17.64% +13.33%  

Ajax
Job Vacancy Trend in Colchester

Job postings citing Ajax as a percentage of all IT jobs advertised in Colchester.

Job vacancy trend for Ajax in Colchester

Ajax
Salary Trend in Colchester

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

Salary trend for Ajax in Colchester

Ajax
Salary Histogram in Colchester

The salary distribution of IT jobs citing Ajax in Colchester over the 3 months to 29 June 2017.

Salary histogram for Ajax in Colchester

For the 6 months to 29 June 2017, IT jobs citing Ajax 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 Colchester region with a requirement for Ajax.

1 36 (100.00%) JavaScript
1 36 (100.00%) CSS
2 32 (88.89%) Oracle
3 31 (86.11%) HTML
3 31 (86.11%) Java
4 28 (77.78%) JBoss
4 28 (77.78%) Agile Software Development
5 27 (75.00%) Tomcat
5 27 (75.00%) MySQL
6 23 (63.89%) PL/SQL
6 23 (63.89%) T-SQL
6 23 (63.89%) MVC
6 23 (63.89%) Spring
6 23 (63.89%) Spring MVC
6 23 (63.89%) GlassFish
7 22 (61.11%) CouchDB
7 22 (61.11%) MongoDB
7 22 (61.11%) Big Data
7 22 (61.11%) Java EE
8 21 (58.33%) Degree
8 21 (58.33%) Computer Science
9 18 (50.00%) Oracle Database
9 18 (50.00%) WebSphere
10 16 (44.44%) EJB
10 16 (44.44%) SQL Server
10 16 (44.44%) Servlets
11 15 (41.67%) Ant
11 15 (41.67%) Maven
11 15 (41.67%) Hibernate
11 15 (41.67%) Hadoop

Ajax
Co-occurring IT Skills in Colchester 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 28 (77.78%) JBoss
2 27 (75.00%) Tomcat
3 23 (63.89%) GlassFish
4 18 (50.00%) WebSphere
5 15 (41.67%) Apache Pig
5 15 (41.67%) Apache Spark
6 13 (36.11%) Apache
7 5 (13.89%) WebLogic
8 2 (5.56%) Apache Geronimo
Applications
1 1 (2.78%) Weka
Business Applications
1 1 (2.78%) osCommerce
Database & Business Intelligence
1 27 (75.00%) MySQL
2 22 (61.11%) Big Data
2 22 (61.11%) CouchDB
2 22 (61.11%) MongoDB
3 18 (50.00%) Oracle Database
4 16 (44.44%) SQL Server
5 15 (41.67%) Hadoop
5 15 (41.67%) NoSQL
6 13 (36.11%) Relational Database
7 9 (25.00%) PostgreSQL
8 8 (22.22%) Neo4j
8 8 (22.22%) RDBMS
9 1 (2.78%) Apache Hive
9 1 (2.78%) Mahout
9 1 (2.78%) Sqoop
Development Applications
1 15 (41.67%) Ant
1 15 (41.67%) Maven
2 14 (38.89%) Git (software)
3 1 (2.78%) Gradle
General
1 1 (2.78%) Automotive
Job Titles
1 36 (100.00%) Developer
2 27 (75.00%) Java Developer
3 15 (41.67%) Oracle Developer
4 14 (38.89%) Lead Developer
4 14 (38.89%) Lead Java Developer
5 13 (36.11%) Senior Developer
5 13 (36.11%) Senior Java Developer
6 10 (27.78%) Senior Oracle Developer
7 8 (22.22%) JavaScript Developer
8 5 (13.89%) HTML Developer
8 5 (13.89%) J2EE Developer
8 5 (13.89%) Java Programmer
8 5 (13.89%) Java/J2EE Developer
8 5 (13.89%) Programmer
8 5 (13.89%) Senior Agile Java Developer
8 5 (13.89%) Senior J2EE Developer
8 5 (13.89%) Senior Java Programmer
8 5 (13.89%) Senior Java/J2EE Developer
8 5 (13.89%) Senior Programmer
8 5 (13.89%) Web Developer
Libraries, Frameworks & Software Standards
1 36 (100.00%) CSS
2 31 (86.11%) HTML
3 23 (63.89%) Spring
3 23 (63.89%) Spring MVC
4 22 (61.11%) Java EE
5 16 (44.44%) EJB
5 16 (44.44%) Servlets
6 15 (41.67%) Hibernate
7 13 (36.11%) Swing
8 12 (33.33%) REST
8 12 (33.33%) SOAP
8 12 (33.33%) Web Services
9 9 (25.00%) JSP
10 8 (22.22%) JMS
11 7 (19.44%) CSS3
11 7 (19.44%) HTML5
11 7 (19.44%) JSON
12 5 (13.89%) J2EE
13 4 (11.11%) XHTML
14 3 (8.33%) .NET
Miscellaneous
1 21 (58.33%) Computer Science
2 14 (38.89%) Enterprise Software
Operating Systems
1 9 (25.00%) Linux
Processes & Methodologies
1 28 (77.78%) Agile Software Development
2 23 (63.89%) MVC
3 10 (27.78%) Scrum
4 9 (25.00%) OO
5 7 (19.44%) Mentoring
6 6 (16.67%) E-Commerce
6 6 (16.67%) OOP
7 5 (13.89%) Front End Development
7 5 (13.89%) Software Engineering
7 5 (13.89%) Web Development
8 3 (8.33%) Waterfall
9 2 (5.56%) Open Source
10 1 (2.78%) Analytics
10 1 (2.78%) Web Design
Programming Languages
1 36 (100.00%) JavaScript
2 31 (86.11%) Java
3 23 (63.89%) PL/SQL
3 23 (63.89%) T-SQL
4 7 (19.44%) SQL
5 3 (8.33%) C#
5 3 (8.33%) TypeScript
6 1 (2.78%) PHP
Qualifications
1 21 (58.33%) Degree
System Software
1 1 (2.78%) HDFS
Vendors
1 32 (88.89%) Oracle
2 1 (2.78%) Alteryx
2 1 (2.78%) Tableau