Period
to 17 December 2018

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Spark Streaming skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Spark Streaming over the 6 months to 17 December 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 Streaming
Central London > City of London
6 months to
17 Dec 2018
Same period 2017 Same period 2016
Rank 244 249 229
Rank change year-on-year +5 -20 +32
Contract jobs citing Spark Streaming 14 1 12
As % of all contract IT jobs advertised in the City of London 0.20% 0.014% 0.18%
As % of the Libraries, Frameworks & Software Standards category 0.49% 0.037% 0.52%
Number of daily rates quoted 10 0 9
City of London median daily rate £675 - £550
10th Percentile £619 - £513
90th Percentile £875 - £655
Central London median daily rate £675 £450 £550
% change year-on-year +50.00% -18.18% -
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

Spark Streaming is in the Software Libraries and Frameworks 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 technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
City of London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 2,830 2,691 2,324
As % of all contract IT jobs advertised in the City of London 39.88% 37.66% 35.81%
Number of daily rates quoted 2,351 2,275 1,958
City of London median daily rate £525 £513 £475
Median daily rate % change year-on-year +2.44% +7.89% -
10th Percentile £406 £363 £325
90th Percentile £675 £675 £641
Central London median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% +4.91%
Number of hourly rates quoted 3 8 4
City of London median hourly rate £19.00 £25.79 £35.00
Median hourly rate % change year-on-year -26.32% -26.32% -6.67%
10th Percentile £14.90 £19.33 £19.00
90th Percentile £84.50 £41.25 £56.31
Central London median hourly rate £27.00 £21.50 £35.00
% change year-on-year +25.58% -38.57% -6.67%

Spark Streaming
Job Vacancy Trend in the City of London

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

Job vacancy trend for Spark Streaming in the City of London

Spark Streaming
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 Spark Streaming in the City of London.

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

Spark Streaming
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Spark Streaming in the City of London over the 6 months to 17 December 2018.

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

For the 6 months to 17 December 2018, IT contractor jobs citing Spark Streaming 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 Spark Streaming.

1 14 (100.00%) Kafka
1 14 (100.00%) Apache Spark
2 10 (71.43%) Hadoop YARN
2 10 (71.43%) HBase
2 10 (71.43%) Apache Hive
2 10 (71.43%) Python
3 9 (64.29%) Cloudera
4 8 (57.14%) Hadoop
5 7 (50.00%) Impala
5 7 (50.00%) BDD
5 7 (50.00%) Java
5 7 (50.00%) TDD
6 6 (42.86%) Amazon AWS
6 6 (42.86%) Docker
6 6 (42.86%) Kubernetes
6 6 (42.86%) Microservices
7 5 (35.71%) Agile Software Development
8 4 (28.57%) Test Automation
8 4 (28.57%) Open Source
8 4 (28.57%) Java Concurrency
8 4 (28.57%) Spring
8 4 (28.57%) Data Science
8 4 (28.57%) Travis CI
8 4 (28.57%) Lambda Expressions
8 4 (28.57%) Flink
9 3 (21.43%) Continuous Delivery
9 3 (21.43%) Google Cloud Platform
9 3 (21.43%) DevOps
9 3 (21.43%) ISTQB Advanced Certification
9 3 (21.43%) Problem-Solving

Spark Streaming
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 14 (100.00%) Apache Spark
2 1 (7.14%) Apache
2 1 (7.14%) Elasticsearch
Cloud Services
1 6 (42.86%) Amazon AWS
2 3 (21.43%) Google Cloud Platform
3 2 (14.29%) Microsoft Azure
4 1 (7.14%) GitHub
Communications & Networking
1 3 (21.43%) HTTP
Database & Business Intelligence
1 10 (71.43%) Apache Hive
1 10 (71.43%) HBase
2 8 (57.14%) Hadoop
3 7 (50.00%) Impala
4 4 (28.57%) Flink
5 3 (21.43%) Big Data
6 2 (14.29%) Apache Cassandra
6 2 (14.29%) NoSQL
7 1 (7.14%) Presto
7 1 (7.14%) Relational Database
7 1 (7.14%) Spark SQL
7 1 (7.14%) Sqoop
Development Applications
1 4 (28.57%) Travis CI
2 3 (21.43%) Jenkins
3 2 (14.29%) Atlassian Bamboo
3 2 (14.29%) EasyMock
3 2 (14.29%) Gatling
3 2 (14.29%) GitLab
3 2 (14.29%) JUnit
3 2 (14.29%) Mockito
3 2 (14.29%) TestNG
4 1 (7.14%) Git (software)
4 1 (7.14%) JIRA
General
1 1 (7.14%) Banking
1 1 (7.14%) Publishing
Job Titles
1 8 (57.14%) Data Engineer
2 7 (50.00%) Python Engineer
3 2 (14.29%) Developer
3 2 (14.29%) DevOps Engineer
3 2 (14.29%) Java Developer
3 2 (14.29%) Kubernetes Engineer
3 2 (14.29%) Principal Engineer
3 2 (14.29%) Senior Software Testing Engineer
3 2 (14.29%) Site Engineer
3 2 (14.29%) Site Reliability Engineer
3 2 (14.29%) Software Testing Engineer
3 2 (14.29%) Testing Engineer
4 1 (7.14%) Big Data Engineer
4 1 (7.14%) Cloud Engineer
4 1 (7.14%) Senior Developer
4 1 (7.14%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 14 (100.00%) Kafka
2 4 (28.57%) Java Concurrency
2 4 (28.57%) Lambda Expressions
2 4 (28.57%) Spring
3 3 (21.43%) WebSockets
4 2 (14.29%) WireMock
5 1 (7.14%) Elastic Stack
5 1 (7.14%) RESTful
Miscellaneous
1 2 (14.29%) Algorithms
Operating Systems
1 3 (21.43%) Linux
2 1 (7.14%) Unix
Processes & Methodologies
1 7 (50.00%) BDD
1 7 (50.00%) TDD
2 6 (42.86%) Microservices
3 5 (35.71%) Agile Software Development
4 4 (28.57%) Data Science
4 4 (28.57%) Open Source
4 4 (28.57%) Test Automation
5 3 (21.43%) Continuous Delivery
5 3 (21.43%) DevOps
5 3 (21.43%) Problem-Solving
6 2 (14.29%) Artificial Intelligence
6 2 (14.29%) Capacity Planning
6 2 (14.29%) Continuous Integration
6 2 (14.29%) Cryptography
6 2 (14.29%) Integration Testing
6 2 (14.29%) Pair Programming
6 2 (14.29%) Performance Testing
6 2 (14.29%) Software Delivery
6 2 (14.29%) Software Engineering
6 2 (14.29%) Software Testing
Programming Languages
1 10 (71.43%) Python
2 7 (50.00%) Java
3 2 (14.29%) Bash Shell
4 1 (7.14%) Java 8
4 1 (7.14%) Scala
4 1 (7.14%) SQL
Qualifications
1 3 (21.43%) ISTQB
1 3 (21.43%) ISTQB Advanced Certification
Quality Assurance & Compliance
1 3 (21.43%) QA
System Software
1 6 (42.86%) Docker
Systems Management
1 10 (71.43%) Hadoop YARN
2 6 (42.86%) Kubernetes
3 2 (14.29%) Oozie
3 2 (14.29%) Prometheus
4 1 (7.14%) Ansible
4 1 (7.14%) Kibana
4 1 (7.14%) logstash
Vendors
1 9 (64.29%) Cloudera
2 3 (21.43%) Google
3 2 (14.29%) Hortonworks
3 2 (14.29%) MapR