Period
to 23 September 2018

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 23 September 2018 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
23 Sep 2018
Same period 2017 Same period 2016
Rank 92 92 95
Rank change year-on-year 0 +3 -
Contract jobs citing Apache Spark 7 4 1
As % of all contract IT jobs advertised in Hertfordshire 0.44% 0.29% 0.070%
As % of the Application Platforms category 3.24% 1.69% 0.39%
Number of daily rates quoted 10 1 1
Hertfordshire median daily rate £475 £575 £525
Median daily rate % change year-on-year -17.39% +9.52% -
10th Percentile £463 £563 £513
90th Percentile £641 £588 £538
East of England median daily rate £500 £488 £433
% change year-on-year +2.56% +12.72% -3.89%
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 216 237 254
As % of all contract IT jobs advertised in Hertfordshire 13.43% 16.93% 17.69%
Number of daily rates quoted 121 114 122
Hertfordshire median daily rate £400 £406 £375
Median daily rate % change year-on-year -1.54% +8.33% +7.14%
10th Percentile £154 £229 £182
90th Percentile £538 £574 £538
East of England median daily rate £450 £446 £400
% change year-on-year +0.90% +11.50% +14.29%
Number of hourly rates quoted 9 6 10
Hertfordshire median hourly rate £25.00 £15.75 £17.25
Median hourly rate % change year-on-year +58.73% -8.70% -46.92%
10th Percentile £16.00 £14.25 £12.75
90th Percentile £56.25 £46.75 £29.55
East of England median hourly rate £25.00 £28.74 £27.50
% change year-on-year -13.00% +4.49% -16.03%

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
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Apache Spark in Hertfordshire over the 6 months to 23 September 2018.

Contractor daily rate histogram 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 23 September 2018. 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
St Albans - 4 £475 -
Watford - 4 £475 -
Apache Spark
East of England

For the 6 months to 23 September 2018, IT contractor jobs citing Apache Spark also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Hertfordshire region with a requirement for Apache Spark.

1 7 (100.00%) Python
1 7 (100.00%) Hadoop
1 7 (100.00%) Data Science
2 6 (85.71%) Big Data
3 5 (71.43%) Java
4 4 (57.14%) OOP
4 4 (57.14%) OO
4 4 (57.14%) Apache
4 4 (57.14%) ETL
4 4 (57.14%) Amazon EC2
4 4 (57.14%) Amazon AWS
4 4 (57.14%) C++
4 4 (57.14%) Amazon Kinesis
4 4 (57.14%) Amazon Redshift
4 4 (57.14%) Amazon EMR
4 4 (57.14%) Amazon RDS
4 4 (57.14%) Scala
4 4 (57.14%) Amazon Athena
5 3 (42.86%) Machine Learning
6 2 (28.57%) MapReduce
6 2 (28.57%) Git (software)
6 2 (28.57%) Apache Pig
6 2 (28.57%) Data Structures
6 2 (28.57%) Algorithms
6 2 (28.57%) Mathematics
6 2 (28.57%) Open Source
6 2 (28.57%) Apache Hive
6 2 (28.57%) Mathematical Modelling
7 1 (14.29%) Master's Degree
7 1 (14.29%) Computer Science Degree

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 4 (57.14%) Apache
2 2 (28.57%) Apache Pig
Cloud Services
1 4 (57.14%) Amazon AWS
1 4 (57.14%) Amazon EC2
1 4 (57.14%) Amazon EMR
1 4 (57.14%) Amazon Kinesis
Database & Business Intelligence
1 7 (100.00%) Hadoop
2 6 (85.71%) Big Data
3 4 (57.14%) Amazon Athena
3 4 (57.14%) Amazon RDS
3 4 (57.14%) Amazon Redshift
4 2 (28.57%) Apache Hive
Development Applications
1 2 (28.57%) Git (software)
General
1 1 (14.29%) Retail
Job Titles
1 7 (100.00%) Data Scientist
2 6 (85.71%) Senior Data Scientist
3 4 (57.14%) AWS Engineer
3 4 (57.14%) Big Data Engineer
3 4 (57.14%) Cloud Engineer
3 4 (57.14%) Data Engineer
3 4 (57.14%) Senior Cloud Engineer
3 4 (57.14%) Senior Data Engineer
4 1 (14.29%) Machine Learning Scientist
Miscellaneous
1 2 (28.57%) Algorithms
1 2 (28.57%) Data Structures
2 1 (14.29%) Computer Science
Processes & Methodologies
1 7 (100.00%) Data Science
2 4 (57.14%) ETL
2 4 (57.14%) OO
2 4 (57.14%) OOP
3 3 (42.86%) Machine Learning
4 2 (28.57%) MapReduce
4 2 (28.57%) Mathematical Modelling
4 2 (28.57%) Mathematics
4 2 (28.57%) Open Source
5 1 (14.29%) Deep Learning
5 1 (14.29%) Stakeholder Management
5 1 (14.29%) Statistics
Programming Languages
1 7 (100.00%) Python
2 5 (71.43%) Java
3 4 (57.14%) C++
3 4 (57.14%) Scala
4 1 (14.29%) C
4 1 (14.29%) MATLAB
4 1 (14.29%) R
Qualifications
1 1 (14.29%) Computer Science Degree
1 1 (14.29%) Degree
1 1 (14.29%) Master's Degree