Period
to 17 December 2018

The following table provides summary statistics for contract job vacancies advertised in 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
England > London
6 months to
17 Dec 2018
Same period 2017 Same period 2016
Rank 565 586 544
Rank change year-on-year +21 -42 +56
Contract jobs citing Spark Streaming 69 57 79
As % of all contract IT jobs advertised in London 0.15% 0.12% 0.18%
As % of the Libraries, Frameworks & Software Standards category 0.38% 0.33% 0.51%
Number of daily rates quoted 45 42 55
London median daily rate £663 £525 £550
Median daily rate % change year-on-year +26.19% -4.55% -
10th Percentile £554 £438 £453
90th Percentile £825 £625 £765
England median daily rate £575 £515 £550
% change year-on-year +11.65% -6.36% +9.89%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate - £35.00 -

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 London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 18,338 17,426 15,446
As % of all contract IT jobs advertised in London 39.19% 36.90% 34.99%
Number of daily rates quoted 13,863 13,354 11,489
London median daily rate £525 £500 £473
Median daily rate % change year-on-year +5.00% +5.82% +5.00%
10th Percentile £374 £350 £323
90th Percentile £675 £650 £625
England median daily rate £480 £471 £425
% change year-on-year +2.02% +10.71% +2.41%
Number of hourly rates quoted 81 100 74
London median hourly rate £36.00 £29.00 £42.13
Median hourly rate % change year-on-year +24.14% -31.16% +13.85%
10th Percentile £24.11 £19.00 £19.23
90th Percentile £57.50 £47.83 £57.32
England median hourly rate £41.50 £40.00 £40.00
% change year-on-year +3.75% - +6.67%

Spark Streaming
Job Vacancy Trend in London

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

Job vacancy trend for Spark Streaming in London

Spark Streaming
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Spark Streaming in London

Spark Streaming
Contractor Daily Rate Histogram in London

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

Contractor daily rate histogram for Spark Streaming in London

Spark Streaming
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Spark Streaming within the London region over the 6 months to 17 December 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
Central London -11 17 £675 +50.00% 1
West London -2 3 £600 +14.29% 1
East London - 1 - -
Spark Streaming
England

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 London region with a requirement for Spark Streaming.

1 69 (100.00%) Apache Spark
2 65 (94.20%) Kafka
3 53 (76.81%) Hadoop
4 47 (68.12%) HBase
4 47 (68.12%) Big Data
4 47 (68.12%) Apache Hive
5 45 (65.22%) Java
6 42 (60.87%) Python
7 39 (56.52%) Scala
7 39 (56.52%) Hadoop YARN
8 32 (46.38%) Agile Software Development
9 29 (42.03%) Cloudera
10 26 (37.68%) Impala
11 25 (36.23%) Apache Cassandra
12 24 (34.78%) Data Modelling
13 21 (30.43%) Apache
14 20 (28.99%) NoSQL
14 20 (28.99%) Elasticsearch
15 19 (27.54%) TDD
16 17 (24.64%) ETL
16 17 (24.64%) SQL
16 17 (24.64%) BDD
17 16 (23.19%) MongoDB
17 16 (23.19%) Linux
17 16 (23.19%) Jenkins
17 16 (23.19%) Ansible
18 15 (21.74%) HDFS
18 15 (21.74%) DevOps
18 15 (21.74%) Deployment Automation
18 15 (21.74%) Unix

Spark Streaming
Co-occurring IT Skills in 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 69 (100.00%) Apache Spark
2 21 (30.43%) Apache
3 20 (28.99%) Elasticsearch
4 12 (17.39%) Apache Pig
5 8 (11.59%) Apache Solr
6 1 (1.45%) Apache Airflow
6 1 (1.45%) Luigi
Cloud Services
1 15 (21.74%) GitHub
2 13 (18.84%) Google Cloud Platform
3 12 (17.39%) Amazon AWS
4 4 (5.80%) Amazon Kinesis
4 4 (5.80%) Microsoft Azure
5 2 (2.90%) Amazon EMR
5 2 (2.90%) Amazon S3
5 2 (2.90%) AWS Lambda
5 2 (2.90%) PaaS
5 2 (2.90%) SaaS
5 2 (2.90%) Serverless
6 1 (1.45%) Amazon CloudWatch
6 1 (1.45%) Amazon EC2
6 1 (1.45%) Amazon SQS
Communications & Networking
1 6 (8.70%) HTTP
2 4 (5.80%) DNS
3 2 (2.90%) HTTPS
3 2 (2.90%) Kerberos
Database & Business Intelligence
1 53 (76.81%) Hadoop
2 47 (68.12%) Apache Hive
2 47 (68.12%) Big Data
2 47 (68.12%) HBase
3 26 (37.68%) Impala
4 25 (36.23%) Apache Cassandra
5 20 (28.99%) NoSQL
6 16 (23.19%) MongoDB
7 13 (18.84%) Presto
8 11 (15.94%) Flink
8 11 (15.94%) Relational Database
9 7 (10.14%) Data Lake
9 7 (10.14%) Spark SQL
9 7 (10.14%) Sqoop
10 6 (8.70%) Data Warehouse
10 6 (8.70%) MySQL
10 6 (8.70%) OLTP
10 6 (8.70%) SQL Server
11 4 (5.80%) Enterprise Data Warehouse
12 3 (4.35%) Parquet
Development Applications
1 16 (23.19%) Jenkins
2 15 (21.74%) Git (software)
3 12 (17.39%) JIRA
4 7 (10.14%) Gatling
5 5 (7.25%) JUnit
5 5 (7.25%) Travis CI
6 3 (4.35%) Atlassian Bamboo
6 3 (4.35%) EasyMock
6 3 (4.35%) Mockito
6 3 (4.35%) TeamCity
6 3 (4.35%) TestNG
7 2 (2.90%) GitLab
7 2 (2.90%) Visual Studio Team System
8 1 (1.45%) Cucumber
8 1 (1.45%) Eclipse
8 1 (1.45%) IntelliJ
8 1 (1.45%) Maven
General
1 12 (17.39%) Publishing
2 11 (15.94%) Banking
2 11 (15.94%) Finance
3 4 (5.80%) Investment Banking
4 3 (4.35%) Games
4 3 (4.35%) Retail Banking
5 2 (2.90%) Legal
5 2 (2.90%) Telecoms
Job Titles
1 32 (46.38%) Data Engineer
2 19 (27.54%) Big Data Engineer
2 19 (27.54%) Developer
3 14 (20.29%) Big Data Developer
4 13 (18.84%) Architect
4 13 (18.84%) Python Engineer
5 11 (15.94%) Big Data Architect
5 11 (15.94%) Data Architect
6 3 (4.35%) Cloud Engineer
6 3 (4.35%) DevOps Engineer
6 3 (4.35%) Hadoop Developer
6 3 (4.35%) Java Developer
7 2 (2.90%) Cybersecurity Architect
7 2 (2.90%) Principal Engineer
7 2 (2.90%) Security Architect
7 2 (2.90%) Senior Developer
7 2 (2.90%) Senior Java Developer
7 2 (2.90%) Site Engineer
7 2 (2.90%) Software Testing Engineer
7 2 (2.90%) Testing Engineer
Libraries, Frameworks & Software Standards
1 65 (94.20%) Kafka
2 14 (20.29%) RESTful
3 10 (14.49%) Elastic Stack
4 7 (10.14%) Java Concurrency
4 7 (10.14%) Lambda Expressions
4 7 (10.14%) RabbitMQ
4 7 (10.14%) Spring
5 4 (5.80%) Akka
5 4 (5.80%) WebSockets
6 3 (4.35%) Apache Avro
6 3 (4.35%) WireMock
7 2 (2.90%) Play Framework
7 2 (2.90%) PySpark
7 2 (2.90%) spray
8 1 (1.45%) Node.js
8 1 (1.45%) OpenCV
8 1 (1.45%) TensorFlow
Miscellaneous
1 7 (10.14%) Greenfield Project
2 6 (8.70%) Algorithms
3 5 (7.25%) Cyber Defence
4 4 (5.80%) Analytical Skills
5 3 (4.35%) Self-Motivation
6 2 (2.90%) Cyberattack
Operating Systems
1 16 (23.19%) Linux
2 15 (21.74%) Unix
Processes & Methodologies
1 32 (46.38%) Agile Software Development
2 24 (34.78%) Data Modelling
3 19 (27.54%) TDD
4 17 (24.64%) BDD
4 17 (24.64%) ETL
5 15 (21.74%) Deployment Automation
5 15 (21.74%) DevOps
5 15 (21.74%) MapReduce
5 15 (21.74%) Scrum
6 12 (17.39%) Data Science
6 12 (17.39%) Requirements Management
6 12 (17.39%) SDLC
7 11 (15.94%) Business Intelligence
7 11 (15.94%) Performance Tuning
8 10 (14.49%) Analytics
8 10 (14.49%) Microservices
8 10 (14.49%) Open Source
9 9 (13.04%) Waterfall
10 8 (11.59%) Capacity Planning
10 8 (11.59%) Test Automation
Programming Languages
1 45 (65.22%) Java
2 42 (60.87%) Python
3 39 (56.52%) Scala
4 17 (24.64%) SQL
5 6 (8.70%) Bash Shell
5 6 (8.70%) R
6 3 (4.35%) C++
7 2 (2.90%) C#
7 2 (2.90%) Cypher
7 2 (2.90%) Java 8
8 1 (1.45%) PL/SQL
Qualifications
1 4 (5.80%) ISTQB
1 4 (5.80%) ISTQB Advanced Certification
Quality Assurance & Compliance
1 4 (5.80%) QA
System Software
1 15 (21.74%) HDFS
2 14 (20.29%) Docker
3 11 (15.94%) Apache ZooKeeper
4 9 (13.04%) Apache Flume
Systems Management
1 39 (56.52%) Hadoop YARN
2 16 (23.19%) Ansible
3 11 (15.94%) Kubernetes
4 9 (13.04%) Kibana
4 9 (13.04%) logstash
5 4 (5.80%) Oozie
6 3 (4.35%) Opscode Chef
6 3 (4.35%) Puppet
7 2 (2.90%) Prometheus
Vendors
1 29 (42.03%) Cloudera
2 11 (15.94%) Google
3 10 (14.49%) Hortonworks
4 8 (11.59%) MapR
5 6 (8.70%) Oracle
6 3 (4.35%) SaltStack
7 2 (2.90%) Databricks
8 1 (1.45%) Solace
8 1 (1.45%) Talend