Period
to 17 July 2018

The median contractor rate for a Senior Big Data Developer was £625 per day in advertised job vacancies in the City of London during the 6 months to 17 July 2018.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to 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.

Senior Big Data Developer
Central London > City of London
6 months to
17 Jul 2018
Same period 2017 Same period 2016
Rank 251 235 234
Rank change year-on-year -16 -1 +66
Contract jobs requiring a Senior Big Data Developer 5 9 9
As % of all contract IT jobs advertised in the City of London 0.071% 0.14% 0.13%
As % of the Job Titles category 0.074% 0.15% 0.14%
Number of daily rates quoted 5 9 9
City of London median daily rate £625 £726 £375
Median daily rate % change year-on-year -13.85% +93.47% -42.31%
10th Percentile £613 £713 £363
90th Percentile £638 £738 £478
Central London median daily rate £625 £726 £375
% change year-on-year -13.85% +93.47% -42.31%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in the City of London. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
City of London
Contract vacancies in the City of London with a recognized job title 6,728 6,192 6,511
% of contract IT jobs with a recognized job title 94.87% 95.85% 95.58%
Number of daily rates quoted 5,295 4,763 5,220
City of London median daily rate £500 £500 £475
Median daily rate % change year-on-year - +5.26% +5.56%
10th Percentile £313 £310 £300
90th Percentile £688 £675 £650
Central London median daily rate £500 £483 £450
% change year-on-year +3.63% +7.22% -
Number of hourly rates quoted 122 76 84
City of London median hourly rate £18.70 £17.39 £19.00
Median hourly rate % change year-on-year +7.56% -8.50% -2.19%
10th Percentile £12.53 £12.52 £11.33
90th Percentile £32.70 £30.04 £32.18
Central London median hourly rate £18.70 £17.00 £19.00
% change year-on-year +10.00% -10.53% -

Senior Big Data Developer
Job Vacancy Trend in the City of London

Job postings that featured Senior Big Data Developer in the job title as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Senior Big Data Developer in the City of London

Senior Big Data Developer
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Senior Big Data Developer in the City of London.

Contractor daily rate trend for Senior Big Data Developer in the City of London

Senior Big Data Developer Skill Set
Top 14 Co-occurring IT Skills in the City of London

For the 6 months to 17 July 2018, Senior Big Data Developer contract jobs required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region featuring Senior Big Data Developer in the job title.

1 5 (100.00%) E-Commerce
1 5 (100.00%) Scala
1 5 (100.00%) Hadoop
1 5 (100.00%) Microsoft Azure
1 5 (100.00%) Apache Hive
1 5 (100.00%) Big Data
1 5 (100.00%) Apache Pig
1 5 (100.00%) HDFS
1 5 (100.00%) Apache Spark
1 5 (100.00%) Greenfield Project
2 4 (80.00%) Amazon AWS
3 1 (20.00%) Azure Data Factory
3 1 (20.00%) Cosmos DB
3 1 (20.00%) Data Lake

Senior Big Data Developer Skill Set
Co-occurring IT Skills in the City of London 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 5 (100.00%) Apache Pig
1 5 (100.00%) Apache Spark
Cloud Services
1 5 (100.00%) Microsoft Azure
2 4 (80.00%) Amazon AWS
3 1 (20.00%) Azure Data Factory
Database & Business Intelligence
1 5 (100.00%) Apache Hive
1 5 (100.00%) Big Data
1 5 (100.00%) Hadoop
2 1 (20.00%) Cosmos DB
2 1 (20.00%) Data Lake
Miscellaneous
1 5 (100.00%) Greenfield Project
Processes & Methodologies
1 5 (100.00%) E-Commerce
Programming Languages
1 5 (100.00%) Scala
System Software
1 5 (100.00%) HDFS