Period
to 16 December 2017

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for Apache Spark skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Apache Spark over the 6 months to 16 December 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Apache Spark
East of England > Hertfordshire
6 months to
16 Dec 2017
Same period 2016 Same period 2015
Rank 89 90 -
Rank change year-on-year +1 - -
Contract jobs citing Apache Spark 10 7 0
As % of all contract IT jobs advertised in Hertfordshire 0.63% 0.49% -
As % of the Application Platforms category 3.92% 2.82% -
Number of daily rates quoted 2 7 0
Hertfordshire median daily rate £550 £525 -
Median daily rate % change year-on-year +4.76% - -
East of England median daily rate £488 £525 £526
% change year-on-year -7.14% -0.10% -
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate - - -

Apache Spark is in the Application Platforms category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hertfordshire with a requirement for application platform skills.

All Application Platform Skills
Hertfordshire
Contract vacancies with a requirement for application platform skills 255 248 250
As % of all contract IT jobs advertised in Hertfordshire 16.02% 17.29% 16.17%
Number of daily rates quoted 108 114 104
Hertfordshire median daily rate £413 £395 £365
Median daily rate % change year-on-year +4.43% +8.22% -2.67%
10th Percentile £226 £225 £185
90th Percentile £554 £538 £575
East of England median daily rate £425 £388 £385
% change year-on-year +9.68% +0.65% +2.67%
Number of hourly rates quoted 8 6 15
Hertfordshire median hourly rate £30.25 £15.50 £32.50
Median hourly rate % change year-on-year +95.16% -52.31% +103.13%
10th Percentile £15.53 £12.13 £10.50
90th Percentile £47.50 £38.38 £37.40
East of England median hourly rate £37.00 £16.50 £23.50
% change year-on-year +124.24% -29.79% +11.90%

Apache Spark
Job Vacancy Trend in Hertfordshire

Job postings citing Apache Spark as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Apache Spark in Hertfordshire

Apache Spark
Contractor Daily Rate Trend in Hertfordshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Apache Spark in Hertfordshire.

Contractor daily rate trend for Apache Spark in Hertfordshire

Apache Spark
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Apache Spark within the Hertfordshire region over the 6 months to 16 December 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Welwyn Garden City +8 8 £525 - 2
Welwyn - 1 £575 -
Apache Spark
East of England

For the 6 months to 16 December 2017, IT contractor jobs citing Apache Spark also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Hertfordshire region with a requirement for Apache Spark.

1 10 (100.00%) Big Data
2 8 (80.00%) Analytics
2 8 (80.00%) Amazon AWS
3 7 (70.00%) Hadoop
3 7 (70.00%) R
3 7 (70.00%) Python
3 7 (70.00%) Mathematics
4 6 (60.00%) Machine Learning
4 6 (60.00%) Mathematical Modelling
4 6 (60.00%) Retail
5 5 (50.00%) Statistics
5 5 (50.00%) Predictive Analytics
5 5 (50.00%) Predictive Modelling
5 5 (50.00%) Amazon Redshift
6 4 (40.00%) Creative Thinking
6 4 (40.00%) Tableau
6 4 (40.00%) SQL Server
7 3 (30.00%) Web Services
7 3 (30.00%) SQL
7 3 (30.00%) Data Modelling
7 3 (30.00%) Agile Software Development
7 3 (30.00%) TDD
7 3 (30.00%) BDD
7 3 (30.00%) Apache Cassandra
7 3 (30.00%) NoSQL
7 3 (30.00%) QA
7 3 (30.00%) Continuous Integration
7 3 (30.00%) RESTful
7 3 (30.00%) Loose Coupling
7 3 (30.00%) Spark Streaming

Apache Spark
Co-occurring IT Skills in Hertfordshire 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 2 (20.00%) Apache Pig
Cloud Services
1 8 (80.00%) Amazon AWS
2 1 (10.00%) Amazon EC2
Database & Business Intelligence
1 10 (100.00%) Big Data
2 7 (70.00%) Hadoop
3 5 (50.00%) Amazon Redshift
4 4 (40.00%) SQL Server
5 3 (30.00%) Apache Cassandra
5 3 (30.00%) NoSQL
6 2 (20.00%) Apache Hive
Development Applications
1 2 (20.00%) Git (software)
General
1 6 (60.00%) Retail
Job Titles
1 7 (70.00%) Data Scientist
2 3 (30.00%) Database Developer
2 3 (30.00%) Developer
Libraries, Frameworks & Software Standards
1 3 (30.00%) RESTful
1 3 (30.00%) Spark Streaming
1 3 (30.00%) Spring Cloud
1 3 (30.00%) Web Services
Miscellaneous
1 2 (20.00%) Computer Science
2 1 (10.00%) Algorithms
2 1 (10.00%) Data Structures
Processes & Methodologies
1 8 (80.00%) Analytics
2 7 (70.00%) Mathematics
3 6 (60.00%) Machine Learning
3 6 (60.00%) Mathematical Modelling
4 5 (50.00%) Predictive Analytics
4 5 (50.00%) Predictive Modelling
4 5 (50.00%) Statistics
5 4 (40.00%) Creative Thinking
6 3 (30.00%) Agile Software Development
6 3 (30.00%) BDD
6 3 (30.00%) Continuous Integration
6 3 (30.00%) Data Analytics
6 3 (30.00%) Data Modelling
6 3 (30.00%) Loose Coupling
6 3 (30.00%) Microservices
6 3 (30.00%) TDD
7 2 (20.00%) MapReduce
7 2 (20.00%) Open Source
8 1 (10.00%) E-Commerce
8 1 (10.00%) Visualisation
Programming Languages
1 7 (70.00%) Python
1 7 (70.00%) R
2 3 (30.00%) SQL
3 2 (20.00%) Java
3 2 (20.00%) Scala
Qualifications
1 2 (20.00%) Degree
2 1 (10.00%) Numerate Degree
Quality Assurance & Compliance
1 3 (30.00%) QA
Vendors
1 4 (40.00%) Tableau