Period
to 21 July 2018

The following table provides summary statistics for contract job vacancies advertised in the City of London 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 21 July 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
Central London > City of London
6 months to
21 Jul 2018
Same period 2017 Same period 2016
Rank 109 115 172
Rank change year-on-year +6 +57 +66
Contract jobs citing Apache Spark 168 139 74
As % of all contract IT jobs advertised in the City of London 2.37% 2.14% 1.08%
As % of the Application Platforms category 14.31% 12.89% 6.50%
Number of daily rates quoted 150 120 65
City of London median daily rate £580 £625 £563
Median daily rate % change year-on-year -7.20% +11.11% -6.25%
10th Percentile £464 £462 £413
90th Percentile £738 £713 £713
Central London median daily rate £550 £600 £563
% change year-on-year -8.33% +6.67% -6.25%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London 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 the City of London with a requirement for application platform skills.

All Application Platform Skills
City of London
Contract vacancies with a requirement for application platform skills 1,174 1,078 1,139
As % of all contract IT jobs advertised in the City of London 16.53% 16.58% 16.66%
Number of daily rates quoted 894 796 862
City of London median daily rate £500 £489 £450
Median daily rate % change year-on-year +2.30% +8.61% +5.88%
10th Percentile £288 £263 £289
90th Percentile £675 £675 £638
Central London median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +5.88%
Number of hourly rates quoted 27 6 17
City of London median hourly rate £20.00 £26.17 £19.00
Median hourly rate % change year-on-year -23.57% +37.72% +8.57%
10th Percentile £12.95 £14.44 £11.25
90th Percentile £33.30 £83.13 £26.00
Central London median hourly rate £20.00 £19.00 £19.00
% change year-on-year +5.26% - +8.57%

Apache Spark
Job Vacancy Trend in the City of London

Job postings citing Apache Spark as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Apache Spark in the City of London

Apache Spark
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 Apache Spark in the City of London.

Contractor daily rate trend for Apache Spark in the City of London

Apache Spark
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Apache Spark in the City of London over the 6 months to 21 July 2018.

Contractor daily rate histogram for Apache Spark in the City of London

Apache Spark
Contract Job Locations in the City of London

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 City of London region over the 6 months to 21 July 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
London Bridge - 2 £575 -
Apache Spark
Central London

For the 6 months to 21 July 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 City of London region with a requirement for Apache Spark.

1 113 (67.26%) Hadoop
2 109 (64.88%) Big Data
3 92 (54.76%) Python
4 91 (54.17%) Java
5 75 (44.64%) Kafka
6 69 (41.07%) Amazon AWS
7 65 (38.69%) Apache Hive
8 61 (36.31%) Agile Software Development
9 57 (33.93%) Scala
10 55 (32.74%) Linux
11 48 (28.57%) SQL
12 40 (23.81%) Finance
12 40 (23.81%) Docker
13 39 (23.21%) Analytics
13 39 (23.21%) HDFS
13 39 (23.21%) ETL
13 39 (23.21%) NoSQL
14 37 (22.02%) MongoDB
15 36 (21.43%) Apache Cassandra
16 35 (20.83%) Machine Learning
16 35 (20.83%) Data Science
17 32 (19.05%) Microservices
17 32 (19.05%) Git (software)
18 30 (17.86%) HBase
19 29 (17.26%) Apache
20 27 (16.07%) TDD
21 26 (15.48%) Microsoft Azure
21 26 (15.48%) Java 8
22 25 (14.88%) SSL
23 24 (14.29%) PostgreSQL

Apache Spark
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 29 (17.26%) Apache
2 21 (12.50%) Elasticsearch
3 18 (10.71%) Apache Pig
3 18 (10.71%) Apache Solr
4 8 (4.76%) Apache Airflow
5 4 (2.38%) SharePoint
6 3 (1.79%) SAS
7 2 (1.19%) Luigi
7 2 (1.19%) Tomcat
8 1 (0.60%) Confluence
8 1 (0.60%) Gunicorn
8 1 (0.60%) nginx
Applications
1 1 (0.60%) Microsoft Excel
1 1 (0.60%) Microsoft Office
1 1 (0.60%) Microsoft PowerPoint
1 1 (0.60%) MS Visio
Cloud Services
1 69 (41.07%) Amazon AWS
2 26 (15.48%) Microsoft Azure
3 18 (10.71%) Heroku
4 11 (6.55%) Amazon EMR
5 10 (5.95%) Google Cloud Platform
6 8 (4.76%) Amazon S3
6 8 (4.76%) Serverless
7 7 (4.17%) Amazon Kinesis
7 7 (4.17%) AWS Lambda
8 4 (2.38%) Cloud Computing
9 3 (1.79%) Azure Data Factory
10 2 (1.19%) Data Lake Analytics
11 1 (0.60%) Azure Machine Learning
11 1 (0.60%) GitHub
11 1 (0.60%) Route 53
11 1 (0.60%) Yarn
Communications & Networking
1 25 (14.88%) SSL
2 19 (11.31%) HTTP
3 18 (10.71%) DNS
3 18 (10.71%) FTP
3 18 (10.71%) TCP/IP
4 11 (6.55%) Kerberos
5 1 (0.60%) Internet
5 1 (0.60%) SNA
Database & Business Intelligence
1 113 (67.26%) Hadoop
2 109 (64.88%) Big Data
3 65 (38.69%) Apache Hive
4 39 (23.21%) NoSQL
5 37 (22.02%) MongoDB
6 36 (21.43%) Apache Cassandra
7 30 (17.86%) HBase
8 24 (14.29%) PostgreSQL
9 19 (11.31%) Relational Database
10 17 (10.12%) Amazon Redshift
11 15 (8.93%) SQL Server
12 14 (8.33%) Data Warehouse
13 13 (7.74%) Redis
14 10 (5.95%) Sqoop
15 9 (5.36%) Data Lake
15 9 (5.36%) Impala
15 9 (5.36%) RDBMS
15 9 (5.36%) SQL Server Integration Services
16 8 (4.76%) Power BI
17 7 (4.17%) MySQL
Development Applications
1 32 (19.05%) Git (software)
2 23 (13.69%) GitLab
3 10 (5.95%) Jenkins
4 8 (4.76%) Gradle
4 8 (4.76%) gulp
5 4 (2.38%) Maven
5 4 (2.38%) Travis CI
6 3 (1.79%) JUnit
6 3 (1.79%) TeamCity
7 2 (1.19%) GoCD
7 2 (1.19%) JIRA
7 2 (1.19%) Subversion
8 1 (0.60%) Atlassian Bamboo
8 1 (0.60%) FishEye
8 1 (0.60%) jMock
8 1 (0.60%) Karma Test Runner
8 1 (0.60%) RStudio
8 1 (0.60%) SpecFlow
8 1 (0.60%) Visual Studio Team System
8 1 (0.60%) webpack
General
1 40 (23.81%) Finance
2 15 (8.93%) Banking
3 6 (3.57%) Advertising
3 6 (3.57%) Games
3 6 (3.57%) Investment Banking
3 6 (3.57%) Retail
4 4 (2.38%) Marketing
5 2 (1.19%) Prime Brokerage
6 1 (0.60%) Private Banking
6 1 (0.60%) Publishing
6 1 (0.60%) Telecoms
Job Titles
1 72 (42.86%) Developer
2 51 (30.36%) Data Engineer
3 32 (19.05%) Big Data Engineer
4 23 (13.69%) Big Data Developer
5 18 (10.71%) Java Developer
6 16 (9.52%) AWS Engineer
7 15 (8.93%) Python Engineer
7 15 (8.93%) Senior Developer
8 13 (7.74%) Apache Spark Developer
8 13 (7.74%) Python Developer
9 10 (5.95%) Consultant
9 10 (5.95%) Ruby Developer
9 10 (5.95%) Scala Developer
10 7 (4.17%) AWS Developer
10 7 (4.17%) DevOps Engineer
11 6 (3.57%) Architect
11 6 (3.57%) Hadoop Developer
11 6 (3.57%) Lead Developer
11 6 (3.57%) Principal Consultant
11 6 (3.57%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 75 (44.64%) Kafka
2 23 (13.69%) REST
3 21 (12.50%) AngularJS
3 21 (12.50%) HTML
4 20 (11.90%) HTML5
5 19 (11.31%) CSS
6 18 (10.71%) OAuth
6 18 (10.71%) OAuth2
6 18 (10.71%) SOAP
7 16 (9.52%) RabbitMQ
8 14 (8.33%) React
9 12 (7.14%) Spring
10 10 (5.95%) Ruby on Rails
11 9 (5.36%) Spring Boot
12 8 (4.76%) Akka
12 8 (4.76%) Dropwizard
12 8 (4.76%) Ember.js
12 8 (4.76%) Guice
12 8 (4.76%) Ratpack
13 7 (4.17%) scikit-learn
Miscellaneous
1 22 (13.10%) Algorithms
2 19 (11.31%) Fintech
3 13 (7.74%) Greenfield Project
4 11 (6.55%) Analytical Skills
5 10 (5.95%) Credit Risk
6 5 (2.98%) Data Structures
7 4 (2.38%) Computer Science
8 3 (1.79%) Fixed Income
9 2 (1.19%) Blog
9 2 (1.19%) Cloud Native
9 2 (1.19%) Data Centre
9 2 (1.19%) Derivative
9 2 (1.19%) Enterprise Software
9 2 (1.19%) Linux Command Line
9 2 (1.19%) Online Games
9 2 (1.19%) OTC Derivatives
10 1 (0.60%) Hybrid Cloud
10 1 (0.60%) Internet of Things
10 1 (0.60%) Public Cloud
10 1 (0.60%) Self-Motivation
Operating Systems
1 55 (32.74%) Linux
2 9 (5.36%) Red Hat Enterprise Linux
3 8 (4.76%) Unix
4 4 (2.38%) DC/OS
5 1 (0.60%) Mac OS X
5 1 (0.60%) Ubuntu
Processes & Methodologies
1 61 (36.31%) Agile Software Development
2 39 (23.21%) Analytics
2 39 (23.21%) ETL
3 35 (20.83%) Data Science
3 35 (20.83%) Machine Learning
4 32 (19.05%) Microservices
5 27 (16.07%) TDD
6 19 (11.31%) Data Engineering
6 19 (11.31%) DevOps
7 18 (10.71%) OWASP
8 15 (8.93%) Software Engineering
9 14 (8.33%) BDD
9 14 (8.33%) Continuous Integration
9 14 (8.33%) Data Modelling
9 14 (8.33%) Open Source
10 11 (6.55%) Business Intelligence
10 11 (6.55%) Functional Programming
10 11 (6.55%) Mentoring
10 11 (6.55%) Parallel Processing
11 10 (5.95%) Data Analytics
Programming Languages
1 92 (54.76%) Python
2 91 (54.17%) Java
3 57 (33.93%) Scala
4 48 (28.57%) SQL
5 26 (15.48%) Java 8
6 20 (11.90%) JavaScript
7 19 (11.31%) ES6
7 19 (11.31%) R
8 11 (6.55%) Ruby
8 11 (6.55%) TypeScript
9 7 (4.17%) MATLAB
10 6 (3.57%) C#
10 6 (3.57%) Perl
11 5 (2.98%) Bash Shell
11 5 (2.98%) PowerShell
11 5 (2.98%) T-SQL
12 4 (2.38%) Shell Script
13 3 (1.79%) C
13 3 (1.79%) Clojure
13 3 (1.79%) PL/SQL
Qualifications
1 5 (2.98%) Degree
2 3 (1.79%) Computer Science Degree
3 2 (1.19%) Microsoft Certification
4 1 (0.60%) MCSD
4 1 (0.60%) Numerate Degree
4 1 (0.60%) PhD
4 1 (0.60%) SC Cleared
4 1 (0.60%) Security Cleared
Quality Assurance & Compliance
1 3 (1.79%) GCP
1 3 (1.79%) QA
2 1 (0.60%) Data Quality
2 1 (0.60%) GDPR
System Software
1 40 (23.81%) Docker
2 39 (23.21%) HDFS
3 16 (9.52%) Apache Flume
4 12 (7.14%) Apache ZooKeeper
5 7 (4.17%) Active Directory
Systems Management
1 18 (10.71%) Hadoop YARN
1 18 (10.71%) Kubernetes
2 16 (9.52%) Oozie
3 14 (8.33%) Mesos
4 10 (5.95%) Marathon
5 8 (4.76%) Docker Swarm
6 7 (4.17%) Ambari
6 7 (4.17%) Apache Slider
7 5 (2.98%) Terraform
8 4 (2.38%) Ansible
9 2 (1.19%) Kibana
9 2 (1.19%) Prometheus
9 2 (1.19%) Puppet
9 2 (1.19%) rkt
10 1 (0.60%) logstash
Vendors
1 15 (8.93%) Cloudera
1 15 (8.93%) Hortonworks
2 14 (8.33%) Oracle
3 10 (5.95%) Google
3 10 (5.95%) Tableau
4 7 (4.17%) Informatica
4 7 (4.17%) Microsoft
5 5 (2.98%) Talend
6 4 (2.38%) Hitachi
6 4 (2.38%) MapR
6 4 (2.38%) Splunk
7 3 (1.79%) Ab Initio
7 3 (1.79%) Alteryx
7 3 (1.79%) Red Hat
7 3 (1.79%) Sybase
7 3 (1.79%) TIBCO
8 2 (1.19%) IBM
9 1 (0.60%) Reuters
9 1 (0.60%) Salesforce.com
9 1 (0.60%) Teradata