Period
to 23 January 2018

The following table provides summary statistics for permanent job vacancies advertised in Colchester with a requirement for Data Mining skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Data Mining over the 6 months to 23 January 2018 with a comparison to the same period in the previous 2 years.

Data Mining
Essex > Colchester
6 months to
23 Jan 2018
Same period 2017 Same period 2016
Rank 41 51 66
Rank change year-on-year +10 +15 -29
Permanent jobs citing Data Mining 11 6 2
As % of all permanent IT jobs advertised in Colchester 3.75% 1.91% 0.42%
As % of the Database & Business Intelligence category 7.24% 5.36% 1.01%
Number of salaries quoted 11 6 2
Colchester median annual salary £85,000 £67,500 £63,750
Median salary % change year-on-year +25.93% +5.88% +50.00%
10th Percentile £61,250 £66,250 £61,625
90th Percentile £90,000 £68,750 £64,875
Essex median annual salary £85,000 £63,750 £63,750
% change year-on-year +33.33% - +50.00%

Data Mining is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Colchester with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
Colchester
Permanent vacancies with a requirement for database or business intelligence skills 152 112 199
As % of all permanent IT jobs advertised in Colchester 51.88% 35.67% 41.98%
Number of salaries quoted 125 104 192
Colchester median annual salary £55,000 £50,000 £35,000
Median salary % change year-on-year +10.00% +42.86% -6.67%
10th Percentile £30,650 £35,000 £22,500
90th Percentile £78,750 £68,750 £63,750
Essex median annual salary £45,000 £47,500 £40,000
% change year-on-year -5.26% +18.75% -5.88%

Data Mining
Job Vacancy Trend in Colchester

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

Job vacancy trend for Data Mining in Colchester

Data Mining
Salary Trend in Colchester

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

Salary trend for Data Mining in Colchester

Data Mining
Salary Histogram in Colchester

The salary distribution of IT jobs citing Data Mining in Colchester over the 6 months to 23 January 2018.

Salary histogram for Data Mining in Colchester

For the 6 months to 23 January 2018, IT jobs citing Data Mining 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 Colchester region with a requirement for Data Mining.

1 11 (100.00%) Degree
2 7 (63.64%) Computer Science
2 7 (63.64%) Visualisation
2 7 (63.64%) Data Visualisation
2 7 (63.64%) Tableau
2 7 (63.64%) Machine Learning
2 7 (63.64%) Weka
2 7 (63.64%) Apache Spark
2 7 (63.64%) Algorithms
2 7 (63.64%) Master's Degree
2 7 (63.64%) PhD
2 7 (63.64%) MATLAB
3 4 (36.36%) PostgreSQL
3 4 (36.36%) Hibernate
3 4 (36.36%) Maven
3 4 (36.36%) E-Commerce
3 4 (36.36%) JMS
3 4 (36.36%) Business Intelligence
3 4 (36.36%) OOP
3 4 (36.36%) OO
3 4 (36.36%) JBoss
3 4 (36.36%) Swing
3 4 (36.36%) Tomcat
3 4 (36.36%) Java
3 4 (36.36%) PL/SQL
3 4 (36.36%) MySQL
3 4 (36.36%) Oracle
3 4 (36.36%) SQL Server
3 4 (36.36%) Ant
3 4 (36.36%) WebLogic

Data Mining
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 7 (63.64%) Apache Spark
2 4 (36.36%) JBoss
2 4 (36.36%) Tomcat
2 4 (36.36%) WebLogic
2 4 (36.36%) WebSphere
Applications
1 7 (63.64%) Weka
Database & Business Intelligence
1 4 (36.36%) MySQL
1 4 (36.36%) NoSQL
1 4 (36.36%) Oracle Database
1 4 (36.36%) PostgreSQL
1 4 (36.36%) SQL Server
2 3 (27.27%) KNIME
3 2 (18.18%) Relational Database
Development Applications
1 4 (36.36%) Ant
1 4 (36.36%) Gradle
1 4 (36.36%) Maven
Job Titles
1 7 (63.64%) Data Scientist
2 4 (36.36%) Architect
2 4 (36.36%) Data Architect
2 4 (36.36%) Developer
2 4 (36.36%) Java Developer
2 4 (36.36%) Oracle Developer
2 4 (36.36%) Tableau Architect
3 2 (18.18%) Agile Developer
3 2 (18.18%) Agile Java Developer
3 2 (18.18%) Database Developer
3 2 (18.18%) Java Software Developer
3 2 (18.18%) Lead Developer
3 2 (18.18%) Lead Java Developer
3 2 (18.18%) Lead Software Developer
3 2 (18.18%) Oracle Database Developer
3 2 (18.18%) Software Developer
Libraries, Frameworks & Software Standards
1 4 (36.36%) Hibernate
1 4 (36.36%) JMS
1 4 (36.36%) Swing
2 3 (27.27%) NumPy
3 2 (18.18%) Java EE
3 2 (18.18%) JSP
3 2 (18.18%) Servlets
3 2 (18.18%) Spring
3 2 (18.18%) Spring MVC
Miscellaneous
1 7 (63.64%) Algorithms
1 7 (63.64%) Computer Science
Processes & Methodologies
1 7 (63.64%) Data Visualisation
1 7 (63.64%) Machine Learning
1 7 (63.64%) Visualisation
2 4 (36.36%) Agile Software Development
2 4 (36.36%) Business Intelligence
2 4 (36.36%) E-Commerce
2 4 (36.36%) OO
2 4 (36.36%) OOP
3 3 (27.27%) Analytics
3 3 (27.27%) Anomaly Detection
3 3 (27.27%) Mathematics
3 3 (27.27%) Statistics
4 2 (18.18%) MVC
4 2 (18.18%) Scrum
4 2 (18.18%) Software Engineering
Programming Languages
1 7 (63.64%) MATLAB
2 4 (36.36%) Java
2 4 (36.36%) PL/SQL
3 3 (27.27%) R
Qualifications
1 11 (100.00%) Degree
2 7 (63.64%) Master's Degree
2 7 (63.64%) PhD
3 4 (36.36%) Computer Science Degree
Vendors
1 7 (63.64%) Tableau
2 4 (36.36%) Oracle