Period
to 26 May 2018

The following table provides summary statistics for permanent job vacancies advertised in Colchester with a requirement for HDFS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited HDFS over the 6 months to 26 May 2018 with a comparison to the same period in the previous 2 years.

Hadoop Distributed File System (HDFS)
Essex > Colchester
6 months to
26 May 2018
Same period 2017 Same period 2016
Rank 48 66 -
Rank change year-on-year +18 - -
Permanent jobs citing HDFS 17 1 0
As % of all permanent IT jobs advertised in Colchester 4.23% 0.24% -
As % of the System Software category 24.64% 1.59% -
Number of salaries quoted 16 1 0
Colchester median annual salary £75,000 £65,000 -
Median salary % change year-on-year +15.38% - -
Essex median annual salary £75,000 £55,000 -
% change year-on-year +36.36% - -

HDFS is in the System Software 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 system software skills.

All System Software Skills
Colchester
Permanent vacancies with a requirement for system software skills 69 63 56
As % of all permanent IT jobs advertised in Colchester 17.16% 14.86% 12.93%
Number of salaries quoted 64 58 54
Colchester median annual salary £50,000 £50,000 £48,500
Median salary % change year-on-year - +3.09% +50.39%
10th Percentile £23,875 £29,375 £23,800
90th Percentile £77,500 £53,750 £62,500
Essex median annual salary £40,000 £40,000 £31,500
% change year-on-year - +26.98% -19.23%

HDFS
Job Vacancy Trend in Colchester

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

Job vacancy trend for HDFS in Colchester

HDFS
Salary Trend in Colchester

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

Salary trend for HDFS in Colchester

HDFS
Salary Histogram in Colchester

The salary distribution of IT jobs citing HDFS in Colchester over the 6 months to 26 May 2018.

Salary histogram for HDFS in Colchester

For the 6 months to 26 May 2018, IT jobs citing HDFS 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 HDFS.

1 17 (100.00%) Hadoop
1 17 (100.00%) MongoDB
2 16 (94.12%) NoSQL
2 16 (94.12%) Apache Hive
2 16 (94.12%) Big Data
2 16 (94.12%) Apache Pig
3 15 (88.24%) Relational Database
3 15 (88.24%) Mahout
3 15 (88.24%) Apache Spark
3 15 (88.24%) Tableau
3 15 (88.24%) RDBMS
4 12 (70.59%) ETL
5 11 (64.71%) HBase
5 11 (64.71%) Apache Cassandra
5 11 (64.71%) MapReduce
5 11 (64.71%) Impala
6 10 (58.82%) Apache Flume
6 10 (58.82%) Data Warehouse
7 9 (52.94%) RabbitMQ
7 9 (52.94%) Data Visualisation
7 9 (52.94%) Visualisation
7 9 (52.94%) Microservices
7 9 (52.94%) Hortonworks
7 9 (52.94%) Cloudera
7 9 (52.94%) Kafka
7 9 (52.94%) Docker
7 9 (52.94%) MapR
8 7 (41.18%) Open Source
9 6 (35.29%) CouchDB
9 6 (35.29%) Degree

HDFS
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 16 (94.12%) Apache Pig
2 15 (88.24%) Apache Spark
3 5 (29.41%) Apache
3 5 (29.41%) Apache Geronimo
3 5 (29.41%) GlassFish
3 5 (29.41%) JBoss
3 5 (29.41%) Tomcat
3 5 (29.41%) WebSphere
Applications
1 6 (35.29%) Weka
Database & Business Intelligence
1 17 (100.00%) Hadoop
1 17 (100.00%) MongoDB
2 16 (94.12%) Apache Hive
2 16 (94.12%) Big Data
2 16 (94.12%) NoSQL
3 15 (88.24%) Mahout
3 15 (88.24%) RDBMS
3 15 (88.24%) Relational Database
4 11 (64.71%) Apache Cassandra
4 11 (64.71%) HBase
4 11 (64.71%) Impala
5 10 (58.82%) Data Warehouse
6 6 (35.29%) CouchDB
6 6 (35.29%) Neo4j
7 5 (29.41%) MySQL
7 5 (29.41%) PostgreSQL
7 5 (29.41%) SQL Server
7 5 (29.41%) Sqoop
8 4 (23.53%) Oracle Database
Development Applications
1 2 (11.76%) Ant
1 2 (11.76%) Gradle
1 2 (11.76%) Maven
General
1 5 (29.41%) Automotive
Job Titles
1 11 (64.71%) Big Data Engineer
1 11 (64.71%) Data Engineer
2 10 (58.82%) Hadoop Engineer
3 6 (35.29%) Developer
4 5 (29.41%) Java Developer
5 4 (23.53%) NoSQL Engineer
6 3 (17.65%) NoSQL Developer
7 2 (11.76%) HTML CSS Developer
7 2 (11.76%) HTML Developer
7 2 (11.76%) JavaScript Developer
7 2 (11.76%) Lead Developer
7 2 (11.76%) PL/SQL Developer
8 1 (5.88%) Database Developer
8 1 (5.88%) Lead Java Developer
8 1 (5.88%) Oracle Database Developer
8 1 (5.88%) Oracle Developer
8 1 (5.88%) Senior Java Developer
8 1 (5.88%) Senior PL/SQL Developer
8 1 (5.88%) SQL Database Developer
8 1 (5.88%) SQL Developer
Libraries, Frameworks & Software Standards
1 9 (52.94%) Kafka
1 9 (52.94%) RabbitMQ
2 5 (29.41%) Ajax
2 5 (29.41%) CSS
2 5 (29.41%) EJB
2 5 (29.41%) FreeMarker
2 5 (29.41%) Hibernate
2 5 (29.41%) HTML
2 5 (29.41%) Java EE
2 5 (29.41%) JMS
2 5 (29.41%) JPA
2 5 (29.41%) JSP
2 5 (29.41%) REST
2 5 (29.41%) Servlets
2 5 (29.41%) SOAP
2 5 (29.41%) Spring
2 5 (29.41%) Spring MVC
2 5 (29.41%) Swing
2 5 (29.41%) TopLink
2 5 (29.41%) Web Services
Miscellaneous
1 5 (29.41%) Computer Science
2 1 (5.88%) N-Tier
Operating Systems
1 6 (35.29%) Linux
Processes & Methodologies
1 12 (70.59%) ETL
2 11 (64.71%) MapReduce
3 9 (52.94%) Data Visualisation
3 9 (52.94%) Microservices
3 9 (52.94%) Visualisation
4 7 (41.18%) Open Source
5 6 (35.29%) Agile Software Development
5 6 (35.29%) Analytics
5 6 (35.29%) Scrum-ban
6 5 (29.41%) E-Commerce
6 5 (29.41%) MVC
6 5 (29.41%) OO
6 5 (29.41%) OOP
7 4 (23.53%) Problem-Solving
8 1 (5.88%) Data Modelling
8 1 (5.88%) Data Science
8 1 (5.88%) Logical Data Model
8 1 (5.88%) PDM
8 1 (5.88%) Performance Tuning
8 1 (5.88%) Physical Data Model
Programming Languages
1 6 (35.29%) PL/SQL
2 5 (29.41%) Java
2 5 (29.41%) JavaScript
2 5 (29.41%) T-SQL
3 1 (5.88%) SQL
Qualifications
1 6 (35.29%) Degree
System Software
1 10 (58.82%) Apache Flume
2 9 (52.94%) Docker
Vendors
1 15 (88.24%) Tableau
2 9 (52.94%) Cloudera
2 9 (52.94%) Hortonworks
2 9 (52.94%) MapR
3 6 (35.29%) Oracle
4 5 (29.41%) Alteryx